CN110700904A - Single working medium combined cycle steam power device - Google Patents

Single working medium combined cycle steam power device Download PDF

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Publication number
CN110700904A
CN110700904A CN201911010657.5A CN201911010657A CN110700904A CN 110700904 A CN110700904 A CN 110700904A CN 201911010657 A CN201911010657 A CN 201911010657A CN 110700904 A CN110700904 A CN 110700904A
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communicated
evaporator
medium
expander
channel
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李鸿瑞
李华玉
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
    • F01K7/02—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being of multiple-expansion type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B23/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
    • F01B23/08—Adaptations for driving, or combinations with, pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K11/00—Plants characterised by the engines being structurally combined with boilers or condensers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K13/00—General layout or general methods of operation of complete plants
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K13/00—General layout or general methods of operation of complete plants
    • F01K13/006—Auxiliaries or details not otherwise provided for
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)

Abstract

The invention provides a single working medium combined cycle steam power device, and belongs to the technical field of energy and power. The condenser is provided with a condensate pipeline which is communicated with the mixing evaporator through a circulating pump, the expansion speed increaser is provided with a steam channel which is communicated with the mixing evaporator through a medium temperature evaporator, the mixing evaporator is also provided with a steam channel which is respectively communicated with the dual-energy compressor and the expander, the dual-energy compressor is also provided with a steam channel which is communicated with the expansion speed increaser through a high temperature heat exchanger, and the expander is also provided with a steam channel which is communicated with the condenser; the condenser is also provided with a condensate pipeline which is communicated with the medium-temperature evaporator through a second circulating pump, then the medium-temperature evaporator is provided with a steam channel which is communicated with a second expander, and the second expander is also provided with a steam channel which is communicated with the condenser; the high-temperature heat exchanger is provided with a heat source medium channel, the condenser is provided with a cooling medium channel which is communicated with the outside, the medium-temperature evaporator and the mixed evaporator are provided with heat source medium channels which are communicated with the outside, and the expander, the second expander and the expansion speed increaser are connected with the outside and output power, so that the single-working-medium combined-cycle steam power device is formed.

Description

Single working medium combined cycle steam power device
The technical field is as follows:
the invention belongs to the technical field of energy and power.
Background art:
the heat energy is converted into mechanical energy which is needed by human life and production; the single-working-medium combined-cycle steam power device adopting the combined-cycle principle to work has great significance in the field of dealing with the heat-variable power of non-high-quality fuel. Expanders, compressors and heat exchangers are indispensable core and essential components from the viewpoint of the components constituting a single-working-medium combined-cycle steam power plant; the compressor and the expander are difficult to manufacture, high in requirements on materials and high in manufacturing cost. Therefore, the main compressor and the main expander are replaced by simpler components, the manufacturing difficulty and the manufacturing cost of the single-working-medium combined-cycle steam power device are obviously reduced, and the popularization and the application of the single-working-medium combined-cycle steam power device are facilitated.
The invention provides a single working medium combined cycle steam power device which combines a dual-energy compressor and an expansion speed increaser and replaces a corresponding main compressor and a corresponding main expansion machine on the basis of keeping or effectively improving the heat efficiency of the single working medium combined cycle steam power device and mainly aiming at reducing the manufacturing difficulty and the manufacturing cost of the single working medium combined cycle steam power device.
The invention content is as follows:
the invention mainly aims to provide a single-working-medium combined cycle steam power device which combines a dual-energy compressor and an expansion speed increaser and replaces a corresponding main compressor and a corresponding main expander, and the specific contents of the invention are explained in sections as follows:
1. the single working medium combined cycle steam power device mainly comprises a compressor, a diffuser pipe, an expander, a spray pipe, a second expander, a third expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator and a medium-temperature evaporator; the condenser is provided with a condensate pipeline which is communicated with the mixed evaporator through a circulating pump, the expander is provided with a steam channel which is communicated with the mixed evaporator through a spray pipe and a medium temperature evaporator, the mixed evaporator is also provided with a steam channel which is respectively communicated with the compressor through a diffuser pipe and directly communicated with a second expander, the compressor is also provided with a steam channel which is communicated with the expander through a high temperature heat exchanger, and the second expander is also provided with a steam channel which is communicated with the condenser; the condenser is also provided with a condensate pipeline which is communicated with the medium-temperature evaporator through a second circulating pump, then the medium-temperature evaporator is provided with a steam channel which is communicated with a third expander, and the third expander is also provided with a steam channel which is communicated with the condenser; the high-temperature heat exchanger is also provided with a heat source medium channel communicated with the outside, the condenser is also provided with a cooling medium channel communicated with the outside, the expander is connected with the compressor and transmits power, and the expander, the second expander and the third expander are connected with the outside and output power, so that a single-working-medium combined cycle steam power device is formed; wherein, or the mixed evaporator is also provided with a heat source medium channel communicated with the outside, or the moderate temperature evaporator is also provided with a heat source medium channel communicated with the outside.
2. The single working medium combined cycle steam power device mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor and an expansion speed increaser; the condenser is provided with a condensate pipeline which is communicated with the mixed evaporator through a circulating pump, the expansion speed increaser is provided with a steam channel which is communicated with the mixed evaporator through a medium temperature evaporator, the mixed evaporator is also provided with a steam channel which is respectively communicated with the dual-energy compressor and the expander, the dual-energy compressor is also provided with a steam channel which is communicated with the expansion speed increaser through a high temperature heat exchanger, and the expander is also provided with a steam channel which is communicated with the condenser; the condenser is also provided with a condensate pipeline which is communicated with the medium temperature evaporator through a second circulating pump, then the medium temperature evaporator is provided with a steam channel which is communicated with a second expander, and the second expander is also provided with a steam channel which is communicated with the condenser; the high-temperature heat exchanger is also provided with a heat source medium channel communicated with the outside, the condenser is also provided with a cooling medium channel communicated with the outside, the expansion speed increaser is connected with the dual-energy compressor and transmits power, and the expansion machine, the second expansion machine and the expansion speed increaser are connected with the outside and output power, so that the single-working-medium combined cycle steam power device is formed.
3. The single working medium combined cycle steam power device mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor and an expansion speed increaser; the condenser is provided with a condensate pipeline which is communicated with the mixed evaporator through a circulating pump, the expansion speed increaser is provided with a steam channel which is communicated with the mixed evaporator through a medium temperature evaporator, the mixed evaporator is also provided with a steam channel which is respectively communicated with the dual-energy compressor and the expander, the dual-energy compressor is also provided with a steam channel which is communicated with the expansion speed increaser through a high temperature heat exchanger, and the expander is also provided with a steam channel which is communicated with the condenser; the condenser is also provided with a condensate pipeline which is communicated with the medium temperature evaporator through a second circulating pump, then the medium temperature evaporator is provided with a steam channel which is communicated with a second expander, and the second expander is also provided with a steam channel which is communicated with the condenser; the high-temperature heat exchanger is also provided with a heat source medium channel communicated with the outside, the condenser is also provided with a cooling medium channel communicated with the outside, the medium-temperature evaporator or the mixed evaporator is also provided with a heat source medium channel communicated with the outside, the expansion speed increaser is connected with the dual-energy compressor and transmits power, and the expansion machine, the second expansion machine and the expansion speed increaser are connected with the outside and output power, so that the single-working-medium combined cycle steam power device is formed.
4. The single working medium combined cycle steam power device mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor and an expansion speed increaser; the condenser is provided with a condensate pipeline which is communicated with the mixed evaporator through a circulating pump, the expansion speed increaser is provided with a steam channel which is communicated with the mixed evaporator through a medium temperature evaporator, the mixed evaporator is also provided with a steam channel which is respectively communicated with the dual-energy compressor and the expander, the dual-energy compressor is also provided with a steam channel which is communicated with the expansion speed increaser through a high temperature heat exchanger, and the expander is also provided with a steam channel which is communicated with the condenser; the condenser is also provided with a condensate pipeline which is communicated with the medium temperature evaporator through a second circulating pump, then the medium temperature evaporator is provided with a steam channel which is communicated with a second expander, and the second expander is also provided with a steam channel which is communicated with the condenser; the high-temperature heat exchanger is also provided with a heat source medium channel communicated with the outside, the condenser is also provided with a cooling medium channel communicated with the outside, the medium-temperature evaporator and the mixed evaporator are also respectively provided with a heat source medium channel communicated with the outside, the expansion speed increaser is connected with the dual-energy compressor and transmits power, and the expansion machine, the second expansion machine and the expansion speed increaser are connected with the outside and output power, so that the single-working-medium combined cycle steam power device is formed.
5. The single working medium combined cycle steam power device mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor, an expansion speed increaser, a heat regenerator and a third circulating pump; the condenser is provided with a condensate pipeline which is communicated with a heat regenerator through a circulating pump, the expander or a second expander is provided with a steam extraction channel which is communicated with the heat regenerator, the heat regenerator is also provided with a condensate pipeline which is communicated with a mixed evaporator through the second circulating pump, the expansion speed increaser is provided with a steam channel which is communicated with the mixed evaporator through a medium temperature evaporator, the mixed evaporator is also provided with a steam channel which is respectively communicated with the dual-energy compressor and the expander, the dual-energy compressor is also provided with a steam channel which is communicated with the expansion speed increaser through a high temperature heat exchanger, and the expander is also provided with a steam channel which is communicated; the condenser is also provided with a condensate pipeline which is communicated with the medium-temperature evaporator through a third circulating pump, then the medium-temperature evaporator is provided with a steam channel which is communicated with a second expander, and the second expander is also provided with a steam channel which is communicated with the condenser; the high-temperature heat exchanger is also provided with a heat source medium channel communicated with the outside, the condenser is also provided with a cooling medium channel communicated with the outside, the expansion speed increaser is connected with the dual-energy compressor and transmits power, and the expansion machine, the second expansion machine and the expansion speed increaser are connected with the outside and output power, so that the single-working-medium combined cycle steam power device is formed.
6. The single working medium combined cycle steam power device mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor, an expansion speed increaser, a heat regenerator and a third circulating pump; the condenser is provided with a condensate pipeline which is communicated with a heat regenerator through a circulating pump, the expander or a second expander is provided with a steam extraction channel which is communicated with the heat regenerator, the heat regenerator is also provided with a condensate pipeline which is communicated with a mixed evaporator through the second circulating pump, the expansion speed increaser is provided with a steam channel which is communicated with the mixed evaporator through a medium temperature evaporator, the mixed evaporator is also provided with a steam channel which is respectively communicated with the dual-energy compressor and the expander, the dual-energy compressor is also provided with a steam channel which is communicated with the expansion speed increaser through a high temperature heat exchanger, and the expander is also provided with a steam channel which is communicated; the condenser is also provided with a condensate pipeline which is communicated with the medium-temperature evaporator through a third circulating pump, then the medium-temperature evaporator is provided with a steam channel which is communicated with a second expander, and the second expander is also provided with a steam channel which is communicated with the condenser; the high-temperature heat exchanger is also provided with a heat source medium channel communicated with the outside, the condenser is also provided with a cooling medium channel communicated with the outside, the medium-temperature evaporator or the mixed evaporator is also provided with a heat source medium channel communicated with the outside, the expansion speed increaser is connected with the dual-energy compressor and transmits power, and the expansion machine, the second expansion machine and the expansion speed increaser are connected with the outside and output power, so that the single-working-medium combined cycle steam power device is formed.
7. The single working medium combined cycle steam power device mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor, an expansion speed increaser, a heat regenerator and a third circulating pump; the condenser is provided with a condensate pipeline which is communicated with a heat regenerator through a circulating pump, the expander or a second expander is provided with a steam extraction channel which is communicated with the heat regenerator, the heat regenerator is also provided with a condensate pipeline which is communicated with a mixed evaporator through the second circulating pump, the expansion speed increaser is provided with a steam channel which is communicated with the mixed evaporator through a medium temperature evaporator, the mixed evaporator is also provided with a steam channel which is respectively communicated with the dual-energy compressor and the expander, the dual-energy compressor is also provided with a steam channel which is communicated with the expansion speed increaser through a high temperature heat exchanger, and the expander is also provided with a steam channel which is communicated; the condenser is also provided with a condensate pipeline which is communicated with the medium-temperature evaporator through a third circulating pump, then the medium-temperature evaporator is provided with a steam channel which is communicated with a second expander, and the second expander is also provided with a steam channel which is communicated with the condenser; the high-temperature heat exchanger is also provided with a heat source medium channel communicated with the outside, the condenser is also provided with a cooling medium channel communicated with the outside, the medium-temperature evaporator and the mixed evaporator are also respectively provided with a heat source medium channel communicated with the outside, the expansion speed increaser is connected with the dual-energy compressor and transmits power, and the expansion machine, the second expansion machine and the expansion speed increaser are connected with the outside and output power, so that the single-working-medium combined cycle steam power device is formed.
8. The single working medium combined cycle steam power device mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor, an expansion speed increaser, a heat regenerator and a third circulating pump; the condenser is provided with a condensate pipeline which is communicated with the mixed evaporator through a circulating pump, the expansion speed increaser is provided with a steam channel which is communicated with the mixed evaporator through a medium temperature evaporator, the mixed evaporator is also provided with a steam channel which is respectively communicated with the dual-energy compressor and the expander, the dual-energy compressor is also provided with a steam channel which is communicated with the expansion speed increaser through a high temperature heat exchanger, and the expander is also provided with a steam channel which is communicated with the condenser; the condenser is also provided with a condensate pipeline which is communicated with a heat regenerator through a second circulating pump, the second expander or the expander is also provided with a steam extraction channel which is communicated with the heat regenerator, the heat regenerator is also provided with a steam channel which is communicated with the second expander after the condensate pipeline is communicated with the medium temperature evaporator through a third circulating pump, and the second expander is also provided with a steam channel which is communicated with the condenser; the high-temperature heat exchanger is also provided with a heat source medium channel communicated with the outside, the condenser is also provided with a cooling medium channel communicated with the outside, the expansion speed increaser is connected with the dual-energy compressor and transmits power, and the expansion machine, the second expansion machine and the expansion speed increaser are connected with the outside and output power, so that the single-working-medium combined cycle steam power device is formed.
9. The single working medium combined cycle steam power device mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor, an expansion speed increaser, a heat regenerator and a third circulating pump; the condenser is provided with a condensate pipeline which is communicated with the mixed evaporator through a circulating pump, the expansion speed increaser is provided with a steam channel which is communicated with the mixed evaporator through a medium temperature evaporator, the mixed evaporator is also provided with a steam channel which is respectively communicated with the dual-energy compressor and the expander, the dual-energy compressor is also provided with a steam channel which is communicated with the expansion speed increaser through a high temperature heat exchanger, and the expander is also provided with a steam channel which is communicated with the condenser; the condenser is also provided with a condensate pipeline which is communicated with a heat regenerator through a second circulating pump, the second expander or the expander is also provided with a steam extraction channel which is communicated with the heat regenerator, the heat regenerator is also provided with a steam channel which is communicated with the second expander after the condensate pipeline is communicated with the medium temperature evaporator through a third circulating pump, and the second expander is also provided with a steam channel which is communicated with the condenser; the high-temperature heat exchanger is also provided with a heat source medium channel communicated with the outside, the condenser is also provided with a cooling medium channel communicated with the outside, the medium-temperature evaporator or the mixed evaporator is also provided with a heat source medium channel communicated with the outside, the expansion speed increaser is connected with the dual-energy compressor and transmits power, and the expansion machine, the second expansion machine and the expansion speed increaser are connected with the outside and output power, so that the single-working-medium combined cycle steam power device is formed.
10. The single working medium combined cycle steam power device mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor, an expansion speed increaser, a heat regenerator and a third circulating pump; the condenser is provided with a condensate pipeline which is communicated with the mixed evaporator through a circulating pump, the expansion speed increaser is provided with a steam channel which is communicated with the mixed evaporator through a medium temperature evaporator, the mixed evaporator is also provided with a steam channel which is respectively communicated with the dual-energy compressor and the expander, the dual-energy compressor is also provided with a steam channel which is communicated with the expansion speed increaser through a high temperature heat exchanger, and the expander is also provided with a steam channel which is communicated with the condenser; the condenser is also provided with a condensate pipeline which is communicated with a heat regenerator through a second circulating pump, the second expander or the expander is also provided with a steam extraction channel which is communicated with the heat regenerator, the heat regenerator is also provided with a steam channel which is communicated with the second expander after the condensate pipeline is communicated with the medium temperature evaporator through a third circulating pump, and the second expander is also provided with a steam channel which is communicated with the condenser; the high-temperature heat exchanger is also provided with a heat source medium channel communicated with the outside, the condenser is also provided with a cooling medium channel communicated with the outside, the medium-temperature evaporator and the mixed evaporator are also respectively provided with a heat source medium channel communicated with the outside, the expansion speed increaser is connected with the dual-energy compressor and transmits power, and the expansion machine, the second expansion machine and the expansion speed increaser are connected with the outside and output power, so that the single-working-medium combined cycle steam power device is formed.
11. The single working medium combined cycle steam power device mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor, an expansion speed increaser, a heat regenerator, a third circulating pump, a second heat regenerator and a fourth circulating pump; the condenser is provided with a condensate pipeline which is communicated with a heat regenerator through a circulating pump, the expander or a second expander is also provided with a steam extraction channel which is communicated with the heat regenerator, the heat regenerator is also provided with a condensate pipeline which is communicated with a mixed evaporator through the second circulating pump, the expansion speed increaser is provided with a steam channel which is communicated with the mixed evaporator through a medium temperature evaporator, the mixed evaporator is also provided with a steam channel which is respectively communicated with the dual-energy compressor and the expander, the dual-energy compressor is also provided with a steam channel which is communicated with the expansion speed increaser through a high temperature heat exchanger, and the expander is also provided with a steam channel which is communicated; the condenser is also provided with a condensate pipeline which is communicated with a second heat regenerator through a third circulating pump, the second expander or the expander is also provided with a steam extraction channel which is communicated with the second heat regenerator, the second heat regenerator is also provided with a condensate pipeline which is communicated with the medium temperature evaporator through a fourth circulating pump, then the medium temperature evaporator is provided with a steam channel which is communicated with the second expander, and the second expander is also provided with a steam channel which is communicated with the condenser; the high-temperature heat exchanger is also provided with a heat source medium channel communicated with the outside, the condenser is also provided with a cooling medium channel communicated with the outside, the expansion speed increaser is connected with the dual-energy compressor and transmits power, and the expansion machine, the second expansion machine and the expansion speed increaser are connected with the outside and output power, so that the single-working-medium combined cycle steam power device is formed.
12. The single working medium combined cycle steam power device mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor, an expansion speed increaser, a heat regenerator, a third circulating pump, a second heat regenerator and a fourth circulating pump; the condenser is provided with a condensate pipeline which is communicated with a heat regenerator through a circulating pump, the expander or a second expander is also provided with a steam extraction channel which is communicated with the heat regenerator, the heat regenerator is also provided with a condensate pipeline which is communicated with a mixed evaporator through the second circulating pump, the expansion speed increaser is provided with a steam channel which is communicated with the mixed evaporator through a medium temperature evaporator, the mixed evaporator is also provided with a steam channel which is respectively communicated with the dual-energy compressor and the expander, the dual-energy compressor is also provided with a steam channel which is communicated with the expansion speed increaser through a high temperature heat exchanger, and the expander is also provided with a steam channel which is communicated; the condenser is also provided with a condensate pipeline which is communicated with a second heat regenerator through a third circulating pump, the second expander or the expander is also provided with a steam extraction channel which is communicated with the second heat regenerator, the second heat regenerator is also provided with a condensate pipeline which is communicated with the medium temperature evaporator through a fourth circulating pump, then the medium temperature evaporator is provided with a steam channel which is communicated with the second expander, and the second expander is also provided with a steam channel which is communicated with the condenser; the high-temperature heat exchanger is also provided with a heat source medium channel communicated with the outside, the condenser is also provided with a cooling medium channel communicated with the outside, the medium-temperature evaporator or the mixed evaporator is also provided with a heat source medium channel communicated with the outside, the expansion speed increaser is connected with the dual-energy compressor and transmits power, and the expansion machine, the second expansion machine and the expansion speed increaser are connected with the outside and output power, so that the single-working-medium combined cycle steam power device is formed.
13. The single working medium combined cycle steam power device mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor, an expansion speed increaser, a heat regenerator, a third circulating pump, a second heat regenerator and a fourth circulating pump; the condenser is provided with a condensate pipeline which is communicated with a heat regenerator through a circulating pump, the expander or a second expander is also provided with a steam extraction channel which is communicated with the heat regenerator, the heat regenerator is also provided with a condensate pipeline which is communicated with a mixed evaporator through the second circulating pump, the expansion speed increaser is provided with a steam channel which is communicated with the mixed evaporator through a medium temperature evaporator, the mixed evaporator is also provided with a steam channel which is respectively communicated with the dual-energy compressor and the expander, the dual-energy compressor is also provided with a steam channel which is communicated with the expansion speed increaser through a high temperature heat exchanger, and the expander is also provided with a steam channel which is communicated; the condenser is also provided with a condensate pipeline which is communicated with a second heat regenerator through a third circulating pump, the second expander or the expander is also provided with a steam extraction channel which is communicated with the second heat regenerator, the second heat regenerator is also provided with a condensate pipeline which is communicated with the medium temperature evaporator through a fourth circulating pump, then the medium temperature evaporator is provided with a steam channel which is communicated with the second expander, and the second expander is also provided with a steam channel which is communicated with the condenser; the high-temperature heat exchanger is also provided with a heat source medium channel communicated with the outside, the condenser is also provided with a cooling medium channel communicated with the outside, the medium-temperature evaporator and the mixed evaporator are also respectively provided with a heat source medium channel communicated with the outside, the expansion speed increaser is connected with the dual-energy compressor and transmits power, and the expansion machine, the second expansion machine and the expansion speed increaser are connected with the outside and output power, so that the single-working-medium combined cycle steam power device is formed.
14. The single working medium combined cycle steam power device mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor, an expansion speed increaser and a preheater; the condenser is provided with a condensate pipeline which is communicated with the mixed evaporator through a circulating pump and a preheater, the expansion speed increaser is provided with a steam channel which is communicated with the mixed evaporator through a medium temperature evaporator, the mixed evaporator is also provided with a steam channel which is respectively communicated with the dual-energy compressor and the expander, the dual-energy compressor is also provided with a steam channel which is communicated with the expansion speed increaser through a high temperature heat exchanger, and the expander is also provided with a steam channel which is communicated with the condenser; the condenser is also provided with a condensate pipeline which is communicated with the medium temperature evaporator through a second circulating pump, then the medium temperature evaporator is provided with a steam channel which is communicated with a second expander, and the second expander is also provided with a steam channel which is communicated with the condenser; the high-temperature heat exchanger is also provided with a heat source medium channel communicated with the outside, the condenser is also provided with a cooling medium channel communicated with the outside, the preheater is also provided with a heat source medium channel communicated with the outside, the expansion speed increaser is connected with the dual-energy compressor and transmits power, and the expansion machine, the second expansion machine and the expansion speed increaser are connected with the outside and output power, so that the single-working-medium combined-cycle steam power device is formed.
15. The single working medium combined cycle steam power device mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor, an expansion speed increaser and a preheater; the condenser is provided with a condensate pipeline which is communicated with the mixed evaporator through a circulating pump and a preheater, the expansion speed increaser is provided with a steam channel which is communicated with the mixed evaporator through a medium temperature evaporator, the mixed evaporator is also provided with a steam channel which is respectively communicated with the dual-energy compressor and the expander, the dual-energy compressor is also provided with a steam channel which is communicated with the expansion speed increaser through a high temperature heat exchanger, and the expander is also provided with a steam channel which is communicated with the condenser; the condenser is also provided with a condensate pipeline which is communicated with the medium temperature evaporator through a second circulating pump, then the medium temperature evaporator is provided with a steam channel which is communicated with a second expander, and the second expander is also provided with a steam channel which is communicated with the condenser; the high-temperature heat exchanger is also provided with a heat source medium channel communicated with the outside, the condenser is also provided with a cooling medium channel communicated with the outside, the medium-temperature evaporator or the mixed evaporator is also provided with a heat source medium channel communicated with the outside, the preheater is also provided with a heat source medium channel communicated with the outside, the expansion speed-increasing machine is connected with the dual-energy compressor and transmits power, and the expansion machine, the second expansion machine and the expansion speed-increasing machine are connected with the outside and output power to form the single-working-medium combined cycle steam power device.
16. The single working medium combined cycle steam power device mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor, an expansion speed increaser and a preheater; the condenser is provided with a condensate pipeline which is communicated with the mixed evaporator through a circulating pump and a preheater, the expansion speed increaser is provided with a steam channel which is communicated with the mixed evaporator through a medium temperature evaporator, the mixed evaporator is also provided with a steam channel which is respectively communicated with the dual-energy compressor and the expander, the dual-energy compressor is also provided with a steam channel which is communicated with the expansion speed increaser through a high temperature heat exchanger, and the expander is also provided with a steam channel which is communicated with the condenser; the condenser is also provided with a condensate pipeline which is communicated with the medium temperature evaporator through a second circulating pump, then the medium temperature evaporator is provided with a steam channel which is communicated with a second expander, and the second expander is also provided with a steam channel which is communicated with the condenser; the high-temperature heat exchanger is also provided with a heat source medium channel communicated with the outside, the condenser is also provided with a cooling medium channel communicated with the outside, the medium-temperature evaporator and the mixed evaporator are also respectively provided with a heat source medium channel communicated with the outside, the preheater is also provided with a heat source medium channel communicated with the outside, the expansion speed-increasing machine is connected with the dual-energy compressor and transmits power, and the expansion machine, the second expansion machine and the expansion speed-increasing machine are connected with the outside and output power, so that the single-working-medium combined cycle steam power device is formed.
17. The single working medium combined cycle steam power device mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor, an expansion speed increaser and a preheater; the condenser is provided with a condensate pipeline which is communicated with the mixed evaporator through a circulating pump, the expansion speed increaser is provided with a steam channel which is communicated with the mixed evaporator through a medium temperature evaporator, the mixed evaporator is also provided with a steam channel which is respectively communicated with the dual-energy compressor and the expander, the dual-energy compressor is also provided with a steam channel which is communicated with the expansion speed increaser through a high temperature heat exchanger, and the expander is also provided with a steam channel which is communicated with the condenser; the condenser is also provided with a condensate pipeline which is communicated with the medium-temperature evaporator through a second circulating pump and a preheater, then the medium-temperature evaporator is provided with a steam channel which is communicated with a second expander, and the second expander is also provided with a steam channel which is communicated with the condenser; the high-temperature heat exchanger is also provided with a heat source medium channel communicated with the outside, the condenser is also provided with a cooling medium channel communicated with the outside, the preheater is also provided with a heat source medium channel communicated with the outside, the expansion speed increaser is connected with the dual-energy compressor and transmits power, and the expansion machine, the second expansion machine and the expansion speed increaser are connected with the outside and output power, so that the single-working-medium combined-cycle steam power device is formed.
18. The single working medium combined cycle steam power device mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor, an expansion speed increaser and a preheater; the condenser is provided with a condensate pipeline which is communicated with the mixed evaporator through a circulating pump, the expansion speed increaser is provided with a steam channel which is communicated with the mixed evaporator through a medium temperature evaporator, the mixed evaporator is also provided with a steam channel which is respectively communicated with the dual-energy compressor and the expander, the dual-energy compressor is also provided with a steam channel which is communicated with the expansion speed increaser through a high temperature heat exchanger, and the expander is also provided with a steam channel which is communicated with the condenser; the condenser is also provided with a condensate pipeline which is communicated with the medium-temperature evaporator through a second circulating pump and a preheater, then the medium-temperature evaporator is provided with a steam channel which is communicated with a second expander, and the second expander is also provided with a steam channel which is communicated with the condenser; the high-temperature heat exchanger is also provided with a heat source medium channel communicated with the outside, the condenser is also provided with a cooling medium channel communicated with the outside, the medium-temperature evaporator or the mixed evaporator is also provided with a heat source medium channel communicated with the outside, the preheater is also provided with a heat source medium channel communicated with the outside, the expansion speed-increasing machine is connected with the dual-energy compressor and transmits power, and the expansion machine, the second expansion machine and the expansion speed-increasing machine are connected with the outside and output power to form the single-working-medium combined cycle steam power device.
19. The single working medium combined cycle steam power device mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor, an expansion speed increaser and a preheater; the condenser is provided with a condensate pipeline which is communicated with the mixed evaporator through a circulating pump, the expansion speed increaser is provided with a steam channel which is communicated with the mixed evaporator through a medium temperature evaporator, the mixed evaporator is also provided with a steam channel which is respectively communicated with the dual-energy compressor and the expander, the dual-energy compressor is also provided with a steam channel which is communicated with the expansion speed increaser through a high temperature heat exchanger, and the expander is also provided with a steam channel which is communicated with the condenser; the condenser is also provided with a condensate pipeline which is communicated with the medium-temperature evaporator through a second circulating pump and a preheater, then the medium-temperature evaporator is provided with a steam channel which is communicated with a second expander, and the second expander is also provided with a steam channel which is communicated with the condenser; the high-temperature heat exchanger is also provided with a heat source medium channel communicated with the outside, the condenser is also provided with a cooling medium channel communicated with the outside, the medium-temperature evaporator and the mixed evaporator are also respectively provided with a heat source medium channel communicated with the outside, the preheater is also provided with a heat source medium channel communicated with the outside, the expansion speed-increasing machine is connected with the dual-energy compressor and transmits power, and the expansion machine, the second expansion machine and the expansion speed-increasing machine are connected with the outside and output power, so that the single-working-medium combined cycle steam power device is formed.
20. The single working medium combined cycle steam power device mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor, an expansion speed increaser, a preheater and a second preheater; the condenser is provided with a condensate pipeline which is communicated with the mixed evaporator through a circulating pump and a preheater, the expansion speed increaser is provided with a steam channel which is communicated with the mixed evaporator through a medium temperature evaporator, the mixed evaporator is also provided with a steam channel which is respectively communicated with the dual-energy compressor and the expander, the dual-energy compressor is also provided with a steam channel which is communicated with the expansion speed increaser through a high temperature heat exchanger, and the expander is also provided with a steam channel which is communicated with the condenser; the condenser is also provided with a condensate pipeline which is communicated with the medium-temperature evaporator through a second circulating pump and a second preheater, then the medium-temperature evaporator is provided with a steam channel which is communicated with a second expander, and the second expander is also provided with a steam channel which is communicated with the condenser; the high-temperature heat exchanger is also provided with a heat source medium channel communicated with the outside, the condenser is also provided with a cooling medium channel communicated with the outside, the preheater and the second preheater are also respectively provided with a heat source medium channel communicated with the outside, the expansion speed increaser is connected with the dual-energy compressor and transmits power, and the expansion machine, the second expansion machine and the expansion speed increaser are connected with the outside and output power, so that the single-working-medium combined cycle steam power device is formed.
21. The single working medium combined cycle steam power device mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor, an expansion speed increaser, a preheater and a second preheater; the condenser is provided with a condensate pipeline which is communicated with the mixed evaporator through a circulating pump and a preheater, the expansion speed increaser is provided with a steam channel which is communicated with the mixed evaporator through a medium temperature evaporator, the mixed evaporator is also provided with a steam channel which is respectively communicated with the dual-energy compressor and the expander, the dual-energy compressor is also provided with a steam channel which is communicated with the expansion speed increaser through a high temperature heat exchanger, and the expander is also provided with a steam channel which is communicated with the condenser; the condenser is also provided with a condensate pipeline which is communicated with the medium-temperature evaporator through a second circulating pump and a second preheater, then the medium-temperature evaporator is provided with a steam channel which is communicated with a second expander, and the second expander is also provided with a steam channel which is communicated with the condenser; the high-temperature heat exchanger is also provided with a heat source medium channel communicated with the outside, the condenser is also provided with a cooling medium channel communicated with the outside, the medium-temperature evaporator or the mixed evaporator is also provided with a heat source medium channel communicated with the outside, the preheater and the second preheater are also respectively provided with a heat source medium channel communicated with the outside, the expansion speed increaser is connected with the dual-energy compressor and transmits power, and the expansion machine, the second expansion machine and the expansion speed increaser are connected with the outside and output power to form the single-working-medium combined cycle steam power device.
22. The single working medium combined cycle steam power device mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor, an expansion speed increaser, a preheater and a second preheater; the condenser is provided with a condensate pipeline which is communicated with the mixed evaporator through a circulating pump and a preheater, the expansion speed increaser is provided with a steam channel which is communicated with the mixed evaporator through a medium temperature evaporator, the mixed evaporator is also provided with a steam channel which is respectively communicated with the dual-energy compressor and the expander, the dual-energy compressor is also provided with a steam channel which is communicated with the expansion speed increaser through a high temperature heat exchanger, and the expander is also provided with a steam channel which is communicated with the condenser; the condenser is also provided with a condensate pipeline which is communicated with the medium-temperature evaporator through a second circulating pump and a second preheater, then the medium-temperature evaporator is provided with a steam channel which is communicated with a second expander, and the second expander is also provided with a steam channel which is communicated with the condenser; the high-temperature heat exchanger is also provided with a heat source medium channel communicated with the outside, the condenser is also provided with a cooling medium channel communicated with the outside, the medium-temperature evaporator and the mixed evaporator are also respectively provided with a heat source medium channel communicated with the outside, the preheater and the second preheater are also respectively provided with a heat source medium channel communicated with the outside, the expansion speed-increasing machine is connected with the dual-energy compressor and transmits power, and the expansion machine, the second expander and the expansion speed-increasing machine are connected with the outside and output power, so that the single-working-medium combined cycle steam power device is formed.
23. The single working medium combined cycle steam power device mainly comprises an expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor, an expansion speed increaser, a preheater and a second preheater; the condenser is provided with a condensate pipeline which is communicated with the mixing evaporator through a circulating pump and a preheater, the expansion speed increaser is provided with a steam channel which is communicated with the mixing evaporator through a medium temperature evaporator, the mixing evaporator is also provided with a steam channel which is communicated with the dual-energy compressor, the mixing evaporator is also provided with a middle steam inlet channel which is communicated with the expander, and the dual-energy compressor is also provided with a steam channel which is communicated with the expansion speed increaser through a high temperature heat exchanger; the condenser is also provided with a condensate pipeline which is communicated with the medium-temperature evaporator through a second circulating pump and a second preheater, then the medium-temperature evaporator is provided with a steam channel which is communicated with the expander, and the expander is also provided with a steam channel which is communicated with the condenser; the high-temperature heat exchanger is also provided with a heat source medium channel communicated with the outside, the condenser is also provided with a cooling medium channel communicated with the outside, the medium-temperature evaporator and the mixed evaporator are also respectively provided with a heat source medium channel communicated with the outside, the preheater and the second preheater are also respectively provided with a heat source medium channel communicated with the outside, the expansion speed-increasing machine is connected with the dual-energy compressor and transmits power, and the expansion speed-increasing machine and the expander are connected with the outside and output power, so that the single-working-medium combined cycle steam power device is formed.
24. A single working medium combined cycle steam power device is characterized in that any one of the single working medium combined cycle steam power devices 2-22 is additionally provided with an intermediate reheater, a middle temperature evaporator is communicated with a second expander through a steam channel, the second expander is communicated with a condenser through a steam channel, the middle temperature evaporator is adjusted to be communicated with the second expander through a steam channel, the second expander is further provided with an intermediate reheater steam channel, the intermediate reheater steam channel is communicated with the second expander through the intermediate reheater, the second expander is further provided with a steam channel, the intermediate reheater is further provided with a heat source medium channel, and the intermediate reheater is further communicated with the outside to form the single working medium combined cycle steam power device.
25. A single working medium combined cycle steam power device is characterized in that in any one of the single working medium combined cycle steam power devices 2-22, a second expander is communicated with a condenser through a steam channel, and the second expander is communicated with the expander through the steam channel, so that the single working medium combined cycle steam power device is formed.
26. A single working medium combined cycle steam power device is characterized in that a second condenser is added in any one of the single working medium combined cycle steam power devices of items 20-22, a second expander is communicated with the condenser through a steam channel, the second expander is communicated with the second condenser through a steam channel, the condenser is communicated with a medium temperature evaporator through a second circulating pump and a second preheater, the condenser is communicated with the medium temperature evaporator through a condensate pipeline, the second condenser is communicated with the medium temperature evaporator through the second circulating pump and the second preheater, and the second condenser is further communicated with the outside through a cooling medium channel to form the single working medium combined cycle steam power device.
27. A single working medium combined cycle steam power device is characterized in that in any one of the single working medium combined cycle steam power devices of items 20-22, a condenser is provided with a condensate pipeline which is communicated with a mixed evaporator through a circulating pump and a preheater, and the condenser is provided with a condensate pipeline which is communicated with a medium temperature evaporator through a second circulating pump and a second preheater, and the two pipelines are adjusted into two paths after passing through the circulating pump and the preheater, wherein the first path is directly communicated with the mixed evaporator, and the second path is communicated with the medium temperature evaporator through the second circulating pump and the second preheater, so that the single working medium combined cycle steam power device is formed.
28. A single working medium combined cycle steam power device is characterized in that a new expansion machine, a new circulating pump and a new intermediate temperature evaporator are added in any one of the single working medium combined cycle steam power devices in items 2-25, a condensate pipeline additionally arranged on a condenser is communicated with the new intermediate temperature evaporator through the new circulating pump, then a steam channel of the new intermediate temperature evaporator is communicated with the new expansion machine, the steam channel of the new expansion machine is communicated with the condenser, the steam channel of the expansion speed increaser is communicated with a mixed evaporator through the intermediate temperature evaporator, the steam channel of the expansion speed increaser is communicated with the mixed evaporator through the new intermediate temperature evaporator and the intermediate temperature evaporator, the new intermediate temperature evaporator or a heat source medium channel is communicated with the outside, and the new expansion machine is connected with the outside and outputs power, so that the single working medium combined cycle steam power device is formed.
29. A single working medium combined cycle steam power device is characterized in that a new expansion machine, a new circulating pump, a new intermediate temperature evaporator and a new preheater are added in any one of the single working medium combined cycle steam power devices 2-25, a condensate pipeline additionally arranged on a condenser is communicated with the new intermediate temperature evaporator through the new circulating pump and the new preheater, then a steam channel of the new intermediate temperature evaporator is communicated with the new expansion machine, a steam channel of the new expansion machine is communicated with a condenser, the steam channel of the expansion speed increaser is communicated with a mixed evaporator through the intermediate temperature evaporator, the expansion speed increaser is adjusted to be communicated with the mixed evaporator through the new intermediate temperature evaporator and the intermediate temperature evaporator, a heat source medium channel of the new expansion machine is communicated with the outside, the new intermediate temperature evaporator or the heat source medium channel is communicated with the outside, and the new expansion machine is connected with the outside and outputs power, forming a single working medium combined cycle steam power plant.
30. A single working medium combined cycle steam power device is characterized in that a newly-added compressor and a newly-added high-temperature heat exchanger are added in any single working medium combined cycle steam power device of items 2 to 29, a steam channel of a dual-energy compressor is communicated with an expansion speed increaser through the high-temperature heat exchanger to adjust that the dual-energy compressor is communicated with the newly-added compressor through the high-temperature heat exchanger, the newly-added compressor is communicated with the expansion speed increaser through the steam channel of the newly-added high-temperature heat exchanger, the newly-added high-temperature heat exchanger is communicated with the outside through a heat source medium channel, and the expansion speed increaser is connected with the newly-added compressor and transmits power to form the single working medium combined cycle steam power.
31. A single working medium combined cycle steam power device is characterized in that any one of the single working medium combined cycle steam power devices 2-29 is additionally provided with a newly-added dual-energy compressor and a newly-added high-temperature heat exchanger, the dual-energy compressor is communicated with an expansion speed increaser through a high-temperature heat exchanger and adjusted into a dual-energy compressor, the dual-energy compressor is communicated with the newly-added dual-energy compressor through a steam channel, the newly-added dual-energy compressor is further communicated with the expansion speed increaser through a steam channel, the newly-added high-temperature heat exchanger is also communicated with the outside through a heat source medium channel, and the expansion speed increaser is connected with the newly-added dual-energy compressor and transmits power to form the single working medium combined cycle steam power device.
32. A single working medium combined cycle steam power device is characterized in that any one of the single working medium combined cycle steam power devices 2-29 is additionally provided with a newly-added diffuser pipe and a newly-added high-temperature heat exchanger, a steam channel of a dual-energy compressor is communicated with an expansion speed increaser through the high-temperature heat exchanger, the dual-energy compressor is adjusted to be provided with a steam channel which is communicated with the newly-added diffuser pipe through the high-temperature heat exchanger, the newly-added diffuser pipe is further communicated with the expansion speed increaser through the steam channel, and the newly-added high-temperature heat exchanger is also communicated with the outside through a heat source medium channel to form the single working medium combined cycle steam power device.
33. A single working medium combined cycle steam power device is characterized in that a new expansion machine and a new high temperature heat exchanger are added in any single working medium combined cycle steam power device in items 2-27, a steam channel of a dual-energy compressor is communicated with an expansion speed increaser through the high temperature heat exchanger to adjust that the dual-energy compressor is communicated with the new expansion machine through the steam channel of the dual-energy compressor, the new expansion machine is communicated with the expansion speed increaser through the new high temperature heat exchanger, the new high temperature heat exchanger is communicated with the outside through a heat source medium channel, and the new expansion machine is connected with the outside and outputs power to form the single working medium combined cycle steam power device.
34. A single working medium combined cycle steam power device is characterized in that any one of the single working medium combined cycle steam power devices in items 28-29 is additionally provided with a newly-added second expander and a newly-added high-temperature heat exchanger, a dual-energy compressor is adjusted to be provided with a steam channel communicated with an expansion speed increaser through the high-temperature heat exchanger, the dual-energy compressor is provided with a steam channel communicated with the newly-added second expander through the high-temperature heat exchanger, the newly-added second expander is further provided with a steam channel communicated with the expansion speed increaser through the newly-added high-temperature heat exchanger, the newly-added high-temperature heat exchanger is further provided with a heat source medium channel communicated with the outside, and the newly-added second expander is connected with the outside and outputs power.
35. A single working medium combined cycle steam power device is characterized in that any one of the single working medium combined cycle steam power devices 2-29 is additionally provided with a newly-added expansion speed increaser and a newly-added high-temperature heat exchanger, a dual-energy compressor is provided with a steam channel which is communicated with the expansion speed increaser through the high-temperature heat exchanger and is adjusted to be provided with a steam channel which is communicated with the newly-added expansion speed increaser through the high-temperature heat exchanger, the newly-added expansion speed increaser is provided with a steam channel which is communicated with the expansion speed increaser through the newly-added high-temperature heat exchanger, the newly-added high-temperature heat exchanger is also provided with a heat source medium channel which is communicated with the outside, and the newly-added expansion.
36. A single working medium combined cycle steam power device is characterized in that any one of the single working medium combined cycle steam power devices 2-29 is additionally provided with a newly-added spray pipe and a newly-added high-temperature heat exchanger, a steam channel of a dual-energy compressor is communicated with an expansion speed increaser through the high-temperature heat exchanger, the dual-energy compressor is adjusted to be provided with a steam channel which is communicated with the newly-added spray pipe through the high-temperature heat exchanger, the newly-added spray pipe is further provided with a steam channel which is communicated with the expansion speed increaser through the newly-added high-temperature heat exchanger, and the newly-added high-temperature heat exchanger is further provided with a heat source.
37. A single working medium combined cycle steam power device is characterized in that a high-temperature heat regenerator is added in any one of the single working medium combined cycle steam power devices in items 2 to 27, a steam channel of a dual-energy compressor is communicated with an expansion speed increaser through a high-temperature heat exchanger and adjusted to be communicated with the expansion speed increaser through the high-temperature heat regenerator and the high-temperature heat exchanger, a steam channel of the expansion speed increaser is communicated with a mixed evaporator through a medium-temperature evaporator and adjusted to be communicated with the mixed evaporator through the high-temperature heat regenerator and the medium-temperature evaporator, and the single working medium combined cycle steam power device is formed.
38. A single working medium combined cycle steam power device is characterized in that a high-temperature heat regenerator, a newly-increased compressor and a newly-increased high-temperature heat exchanger are added in any one of the single working medium combined cycle steam power devices in items 2 to 27, a steam channel of the double-energy compressor is communicated with an expansion speed increaser through the high-temperature heat exchanger and is adjusted to be communicated with the newly-increased compressor through the high-temperature heat regenerator and the high-temperature heat exchanger, a steam channel of the newly-increased compressor is communicated with the expansion speed increaser through the newly-increased high-temperature heat exchanger, a steam channel of the expansion speed increaser is communicated with a mixed evaporator through a medium-temperature evaporator to be adjusted to be communicated with the mixed evaporator through the high-temperature heat regenerator and the medium-temperature evaporator, the newly-increased high-temperature heat exchanger is also communicated with the outside, and the expansion speed increaser is connected with the newly, forming a single working medium combined cycle steam power plant.
39. A single working medium combined cycle steam power device is characterized in that a high-temperature heat regenerator, a newly-increased dual-energy compressor and a newly-increased high-temperature heat exchanger are added in any one of the single working medium combined cycle steam power devices in items 2 to 27, a steam channel of the dual-energy compressor is communicated with an expansion speed increaser through the high-temperature heat exchanger and is adjusted to be communicated with the newly-increased dual-energy compressor through the high-temperature heat exchanger, the steam channel of the newly-increased dual-energy compressor is communicated with the expansion speed increaser through the newly-increased high-temperature heat exchanger, the steam channel of the expansion speed increaser is communicated with a mixing evaporator through a medium-temperature evaporator to be adjusted to be communicated with the mixing evaporator through the high-temperature heat regenerator and the medium-temperature evaporator, the newly-increased high-temperature heat exchanger is also communicated with the outside, and the expansion speed increaser is connected with the newly-increased dual-energy, forming a single working medium combined cycle steam power plant.
40. A single working medium combined cycle steam power device is characterized in that a high-temperature heat regenerator, a newly-increased diffuser pipe and a newly-increased high-temperature heat exchanger are added in any one of the single working medium combined cycle steam power devices in items 2 to 27, a steam channel of a dual-energy compressor is communicated with an expansion speed increaser through the high-temperature heat exchanger and is adjusted to be communicated with the newly-increased diffuser pipe through the high-temperature heat exchanger, the steam channel of the newly-increased diffuser pipe is communicated with the expansion speed increaser through the newly-increased high-temperature heat exchanger, the steam channel of the expansion speed increaser is communicated with a mixed evaporator through the medium-temperature evaporator, the steam channel of the expansion speed increaser is adjusted to be communicated with the mixed evaporator through the high-temperature heat regenerator and the medium-temperature evaporator, and the heat source medium channel of the newly-increased high-temperature heat exchanger is communicated with the outside.
41. A single working medium combined cycle steam power device is in any one of the single working medium combined cycle steam power devices of items 2-27, a high-temperature heat regenerator, a new expansion machine and a new increased high-temperature heat exchanger are added, a steam channel of a dual-energy compressor is communicated with an expansion speed increaser through the high-temperature heat exchanger and adjusted into a steam channel of the dual-energy compressor is communicated with the new expansion machine through the high-temperature heat regenerator and the high-temperature heat exchanger, the steam channel of the new expansion machine is communicated with the expansion speed increaser through the new increased high-temperature heat exchanger, the steam channel of the expansion speed increaser is communicated with a mixed evaporator through a medium-temperature evaporator and adjusted into a steam channel of the expansion speed increaser which is communicated with the mixed evaporator through the high-temperature evaporator and the medium-temperature evaporator, the new increased high-temperature heat exchanger is also communicated with the outside through a heat source medium channel, and the new expansion machine is connected with the outside.
42. A single working medium combined cycle steam power device is characterized in that a high-temperature heat regenerator, a newly-added expansion speed increaser and a newly-added high-temperature heat exchanger are added in any one of the single working medium combined cycle steam power devices in items 2 to 27, a double-energy compressor is provided with a steam channel which is communicated with the expansion speed increaser through the high-temperature heat exchanger and is adjusted to be provided with a steam channel which is communicated with the newly-added expansion speed increaser through the high-temperature heat regenerator and the high-temperature heat exchanger, the newly-added expansion speed increaser is provided with a steam channel which is communicated with the expansion speed increaser through the newly-added high-temperature heat exchanger, the expansion speed increaser is provided with a steam channel which is communicated with a mixing evaporator through a medium temperature evaporator and a high-temperature heat regenerator, the newly-added high-temperature heat exchanger is also provided with a heat source medium channel which is communicated with, forming a single working medium combined cycle steam power plant.
43. A single working medium combined cycle steam power device is characterized in that a high-temperature heat regenerator, a newly-increased spray pipe and a newly-increased high-temperature heat exchanger are added in any one of the single working medium combined cycle steam power devices in items 2 to 27, a steam channel of a dual-energy compressor is communicated with an expansion speed increaser through the high-temperature heat exchanger and is adjusted to be communicated with the newly-increased spray pipe through the high-temperature heat regenerator and the high-temperature heat exchanger, a steam channel of the newly-increased spray pipe is communicated with the expansion speed increaser through the newly-increased high-temperature heat exchanger, a steam channel of the expansion speed increaser is communicated with a mixed evaporator through a medium-temperature evaporator, is adjusted to be communicated with the mixed evaporator through the high-temperature heat regenerator and the medium-temperature evaporator, and a heat source medium channel of the newly-increased high-temperature heat exchanger is communicated with the outside.
44. A single working medium combined cycle steam power device is characterized in that a high-temperature heat regenerator is added in any one of the single working medium combined cycle steam power devices in items 28 to 29, a steam channel of a dual-energy compressor is communicated with an expansion speed increaser through a high-temperature heat exchanger and adjusted to be communicated with the expansion speed increaser through the high-temperature heat regenerator and the high-temperature heat exchanger, a steam channel of the expansion speed increaser is communicated with a mixed evaporator through a newly-added intermediate-temperature evaporator and the intermediate-temperature evaporator, and adjusted to be communicated with the mixed evaporator through the steam channel of the expansion speed increaser through the high-temperature heat regenerator, the newly-added intermediate-temperature evaporator and the intermediate-temperature evaporator, so that the single working medium combined cycle steam power device is formed.
45. A single working medium combined cycle steam power plant, which is characterized in that in any one of the single working medium combined cycle steam power plants of items 28-29, a high temperature heat regenerator, a newly-increased compressor and a newly-increased high temperature heat exchanger are added, a steam channel of the double-energy compressor is communicated with an expansion speed increaser through the high temperature heat exchanger, the steam channel of the double-energy compressor is adjusted to be communicated with the newly-increased compressor through the high temperature heat regenerator and the high temperature heat exchanger, the steam channel of the newly-increased compressor is communicated with the expansion speed increaser through the newly-increased high temperature heat exchanger, the steam channel of the expansion speed increaser is adjusted to be communicated with a mixing evaporator through a newly-increased medium temperature evaporator and the middle temperature evaporator, the steam channel of the expansion speed increaser is communicated with the mixing evaporator through the high temperature heat regenerator, the newly-increased medium evaporator and the middle temperature evaporator, the newly-increased high temperature heat exchanger is also communicated with, forming a single working medium combined cycle steam power plant.
46. A single working medium combined cycle steam power plant, which is characterized in that in any one of the single working medium combined cycle steam power plants of items 28-29, a high temperature heat regenerator, a newly-increased dual-energy compressor and a newly-increased high temperature heat exchanger are added, the dual-energy compressor is provided with a steam channel which is communicated with an expansion speed increaser through the high temperature heat exchanger, the dual-energy compressor is adjusted to be provided with a steam channel which is communicated with the newly-increased dual-energy compressor through the high temperature heat exchanger, the newly-increased dual-energy compressor is further provided with a steam channel which is communicated with the expansion speed increaser through the newly-increased high temperature heat exchanger, the expansion speed increaser is provided with a steam channel which is communicated with a mixed evaporator through the newly-increased medium temperature evaporator and the medium temperature evaporator, the newly-increased high temperature heat exchanger is further provided with a heat source medium channel which is communicated with the outside, the expansion speed increaser is connected with the newly-increased dual-energy compressor and transmits power to form a single-working-medium combined-cycle steam power device.
47. A single working medium combined cycle steam power device is in any one of the single working medium combined cycle steam power devices of items 28-29, a high-temperature heat regenerator, a newly-increased diffuser pipe and a newly-increased high-temperature heat exchanger are added, a steam channel of a dual-energy compressor is communicated with an expansion speed increaser through the high-temperature heat exchanger, the steam channel of the dual-energy compressor is adjusted to be communicated with the newly-increased diffuser pipe through the high-temperature heat regenerator and the high-temperature heat exchanger, a steam channel of the newly-increased diffuser pipe is communicated with the expansion speed increaser through the newly-increased high-temperature heat exchanger, a steam channel of the expansion speed increaser is communicated with a mixed evaporator through a newly-increased medium-temperature evaporator and the newly-increased medium-temperature evaporator, the expansion speed increaser is adjusted to be communicated with the mixed evaporator through the high-temperature heat regenerator, the newly-increased medium-temperature evaporator and the newly-increased medium-temperature evaporator, the.
48. A single working medium combined cycle steam power plant, which is characterized in that in any one of the single working medium combined cycle steam power plants of items 28-29, a high temperature heat regenerator, a newly added second expander and a newly added high temperature heat exchanger are added, a dual energy compressor is provided with a steam channel which is communicated with an expansion speed increaser through the high temperature heat exchanger, the dual energy compressor is provided with a steam channel which is communicated with the newly added second expander through the high temperature heat regenerator and the high temperature heat exchanger, the newly added second expander is provided with a steam channel which is communicated with the expansion speed increaser through the newly added high temperature heat exchanger, the expansion speed increaser is provided with a steam channel which is communicated with a mixed evaporator through a newly added medium temperature evaporator and a medium temperature evaporator, the newly added high temperature heat exchanger is also provided with a heat source medium channel which is communicated with the outside, and a second expansion machine is added to be connected with the outside and output power, so that the single-working-medium combined-cycle steam power device is formed.
49. A single working medium combined cycle steam power plant, which is characterized in that in any one of the single working medium combined cycle steam power plants of items 28-29, a high temperature heat regenerator, a newly added expansion speed increaser and a newly added high temperature heat exchanger are added, a double-energy compressor is provided with a steam channel which is communicated with the expansion speed increaser through the high temperature heat exchanger, the double-energy compressor is adjusted to be provided with a steam channel which is communicated with the newly added expansion speed increaser through the high temperature heat regenerator and the high temperature heat exchanger, the newly added expansion speed increaser is provided with a steam channel which is communicated with the expansion speed increaser through the newly added high temperature heat exchanger, the expansion speed increaser is provided with a steam channel which is communicated with a mixed evaporator through the newly added medium temperature evaporator and the medium temperature evaporator, the newly added high temperature heat exchanger is also provided with a heat source medium channel which is communicated with the outside, the newly added expansion speed increaser is connected with the outside and outputs power to form a single-working-medium combined-cycle steam power device.
50. A single working medium combined cycle steam power device is in any one of the single working medium combined cycle steam power devices of items 28-29, a high-temperature heat regenerator, a newly-increased spray pipe and a newly-increased high-temperature heat exchanger are added, a steam channel of a dual-energy compressor is communicated with an expansion speed increaser through the high-temperature heat exchanger, the steam channel of the dual-energy compressor is adjusted to be communicated with the newly-increased spray pipe through the high-temperature heat regenerator and the high-temperature heat exchanger, the steam channel of the newly-increased spray pipe is communicated with the expansion speed increaser through the newly-increased high-temperature heat exchanger, the steam channel of the expansion speed increaser is communicated with a mixed evaporator through a newly-increased medium-temperature evaporator and a newly-increased medium-temperature evaporator, the expansion speed increaser is adjusted to be communicated with the mixed evaporator through the steam channel of the high-temperature heat regenerator, the newly-increased medium-temperature evaporator and the newly-.
Description of the drawings:
FIG. 1 is a schematic 1 st principal thermodynamic system diagram of a single-working-medium combined cycle steam power plant provided in accordance with the present invention.
FIG. 2 is a schematic thermodynamic system diagram of the 2 nd principle of a single-working-medium combined-cycle steam power plant provided in accordance with the present invention.
FIG. 3 is a schematic diagram of the 3 rd principle thermodynamic system of a single-working-medium combined-cycle steam power plant according to the present invention.
FIG. 4 is a diagram of a 4 th principal thermodynamic system of a single-working-medium combined cycle steam power plant provided in accordance with the present invention.
FIG. 5 is a schematic diagram of a 5 th principal thermodynamic system of a single-working-medium combined cycle steam power plant according to the present invention.
FIG. 6 is a schematic diagram of a 6 th principal thermodynamic system of a single-working-medium combined-cycle steam power plant according to the present invention.
FIG. 7 is a 7 th principal thermodynamic system diagram of a single-working-medium combined cycle steam power plant provided in accordance with the present invention.
FIG. 8 is a diagram of an 8 th principal thermodynamic system for a single-working-medium combined cycle steam power plant in accordance with the present invention.
FIG. 9 is a diagram of a 9 th principal thermodynamic system of a single-working-medium combined cycle steam power plant provided in accordance with the present invention.
FIG. 10 is a diagram of a 10 th principal thermodynamic system of a single-working-medium combined cycle steam power plant provided in accordance with the present invention.
FIG. 11 is a schematic diagram of the 11 th principal thermodynamic system of a single-working-medium combined cycle steam power plant provided in accordance with the present invention.
FIG. 12 is a schematic diagram of a 12 th principal thermodynamic system of a single-working-medium combined cycle steam power plant provided in accordance with the present invention.
FIG. 13 is a 13 th principal thermodynamic system diagram of a single-working-medium combined cycle steam power plant provided in accordance with the present invention.
FIG. 14 is a diagram of a 14 th principal thermodynamic system of a single-working-medium combined cycle steam power plant provided in accordance with the present invention.
FIG. 15 is a diagram of a 15 th principal thermodynamic system of a single-working-medium combined cycle steam power plant provided in accordance with the present invention.
FIG. 16 is a diagram of a 16 th principal thermodynamic system of a single-working-medium combined cycle steam power plant provided in accordance with the present invention.
FIG. 17 is a diagram of a 17 th principal thermodynamic system of a single-working-medium combined cycle steam power plant provided in accordance with the present invention.
FIG. 18 is a diagram of an 18 th principle thermodynamic system of a single-working-medium combined cycle steam power plant according to the present invention.
FIG. 19 is a diagram of a 19 th principal thermodynamic system of a single-working-medium combined cycle steam power plant provided in accordance with the present invention.
In the figure, 1-compressor, 2-diffuser pipe, 3-expander, 4-spray pipe, 5-second expander, 6-third expander, 7-circulating pump, 8-second circulating pump, 9-high temperature heat exchanger, 10-condenser, 11-mixed evaporator, 12-medium temperature evaporator, 13-dual energy compressor, 14-expansion speed increaser, 15-heat regenerator, 16-third circulating pump, 17-second heat regenerator, 18-fourth circulating pump, 19-preheater, 20-second preheater, 21-intermediate reheater, 22-second condenser, 23-high temperature reheater; a-a newly-increased expansion machine, B-a newly-increased circulating pump, C-a newly-increased intermediate temperature evaporator, D-a newly-increased preheater, E-a newly-increased compressor, F-a newly-increased high temperature heat exchanger, G-a newly-increased dual-energy compressor, H-a newly-increased expansion pipe and I-a newly-increased expansion speed-increasing machine.
In order to clearly understand the spirit and scope of the present invention, the dual energy compressor, the expansion speed increaser and the related expansion machine are described as follows:
(1) the double-energy compressor, a device for increasing the pressure of a medium by utilizing external mechanical energy and the self kinetic energy of fluid, is a combination of the compressor and a diffuser pipe or other devices with the same function.
(2) The expansion speed-increasing machine-under a certain pressure drop, it can implement double functions of pressure-reducing work-making and pressure-reducing speed-increasing, and is a combination body of expansion machine and jet tube or other equipment with identical function.
(3) In the case of the second expander 5 in fig. 1 or the expander 3 in fig. 2 to 19, it is necessary to convert not only the thermal energy of the steam into mechanical energy (pressure reduction work) but also the kinetic energy of the steam into mechanical energy (speed reduction work), which is different from the conventional expander.
The specific implementation mode is as follows:
it is to be noted that, in the description of the structure and the flow, the repetition is not necessary; obvious flow is not described. The invention is described in detail below with reference to the figures and examples.
The single-working-medium combined-cycle steam power plant shown in fig. 1 is realized in such a way that:
(1) structurally, the system consists of a compressor, a diffuser pipe, an expander, a spray pipe, a second expander, a third expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator and a medium-temperature evaporator; the condenser 10 is provided with a condensate pipeline which is communicated with a mixed evaporator 11 through a circulating pump 7, the expander 3 is provided with a steam channel which is communicated with the mixed evaporator 11 through a spray pipe 4 and a medium temperature evaporator 12, the mixed evaporator 11 is also provided with a steam channel which is respectively communicated with the compressor 1 through a diffuser pipe 2 and directly communicated with the second expander 5, the compressor 1 is also provided with a steam channel which is communicated with the expander 3 through a high temperature heat exchanger 9, and the second expander 5 is also provided with a steam channel which is communicated with the condenser 10; the condenser 10 is also provided with a condensate pipeline which is communicated with the medium temperature evaporator 12 through a second circulating pump 8, then a steam channel of the medium temperature evaporator 12 is communicated with the third expander 6, and the third expander 6 is also provided with a steam channel which is communicated with the condenser 10; the high-temperature heat exchanger 9 is also communicated with the outside through a heat source medium channel, the condenser 10 is also communicated with the outside through a cooling medium channel, the expander 3 is connected with the compressor 1 and transmits power, and the expander 3, the second expander 5 and the third expander 6 are connected with the outside and outputs power.
(2) In the process, steam discharged by the diffuser pipe 1 flows through the high-temperature heat exchanger 9 and absorbs heat, and then enters the expansion machine 3 to reduce the pressure and do work; the steam discharged by the expander 3 flows through the spray pipe 4 to reduce the pressure, reduce the temperature and increase the speed, flows through the medium-temperature evaporator 12 to release heat and reduce the temperature, and then enters the mixing evaporator 11 to be mixed with the condensate from the condenser 10 to release heat and reduce the temperature; the condensate of the condenser 10 is divided into two paths, wherein the first path is pressurized by the circulating pump 7 and enters the mixing evaporator 11 to absorb heat and vaporize, and the second path is pressurized by the second circulating pump 8 and enters the medium temperature evaporator 12 to absorb heat and vaporize; the steam generated by the mixed evaporator 11 is divided into two paths, wherein the first path flows through the diffuser pipe 2 to increase the pressure, raise the temperature and reduce the speed, then enters the compressor 1 to increase the pressure and raise the temperature, and the second path enters the second expander 5 to reduce the pressure and do work, then enters the condenser 10 to release heat and condense; the steam generated by the medium temperature evaporator 12 flows through the third expansion machine 6 to reduce the pressure and do work, and then enters the condenser 10 to release heat and condense; the heat source medium provides driving heat load through the high-temperature heat exchanger 9, the cooling medium takes away low-temperature heat load through the condenser 10, the expander 3 provides power for the compressor 1, and the expander 3, the second expander 5 and the third expander 6 provide power to the outside (such as driving a working machine or a generator) together to form a single-working-medium combined cycle steam power device.
The single-working-medium combined-cycle steam power plant shown in fig. 2 is realized in such a way that:
(1) structurally, the system mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor and an expansion speed increaser; the condenser 10 is provided with a condensate pipeline which is communicated with a mixing evaporator 11 through a circulating pump 7, an expansion speed increaser 14 is provided with a steam channel which is communicated with the mixing evaporator 11 through a medium temperature evaporator 12, the mixing evaporator 11 is also provided with a steam channel which is respectively communicated with a dual-energy compressor 13 and an expander 3, the dual-energy compressor 13 is also provided with a steam channel which is communicated with the expansion speed increaser 14 through a high temperature heat exchanger 9, and the expander 3 is also provided with a steam channel which is communicated with the condenser 10; the condenser 10 is also provided with a condensate pipeline which is communicated with the medium temperature evaporator 12 through a second circulating pump 8, then a steam channel of the medium temperature evaporator 12 is communicated with the second expander 5, and the second expander 5 is also provided with a steam channel which is communicated with the condenser 10; the high-temperature heat exchanger 9 is also communicated with the outside through a heat source medium channel, the condenser 10 is also communicated with the outside through a cooling medium channel, the expansion speed increaser 14 is connected with the dual-energy compressor 13 and transmits power, and the expansion machine 3, the second expansion machine 5 and the expansion speed increaser 14 are connected with the outside and outputs power.
(2) In the process, steam discharged by the dual-energy compressor 13 flows through the high-temperature heat exchanger 9 and absorbs heat, flows through the expansion speed increaser 14 and performs pressure reduction and work doing, pressure reduction and speed increasing, flows through the medium-temperature evaporator 12 and performs heat release and temperature reduction, and then enters the mixing evaporator 11 to be mixed with condensate from the condenser 10 and performs heat release and temperature reduction; the condensate of the condenser 10 is divided into two paths, wherein the first path is pressurized by the circulating pump 7 and enters the mixing evaporator 11 to absorb heat and vaporize, and the second path is pressurized by the second circulating pump 8 and enters the medium temperature evaporator 12 to absorb heat and vaporize; the steam generated by the mixed evaporator 11 enters a dual-energy compressor 13 to be boosted and heated and enters an expander 3 to be decompressed and do work, and the steam discharged by the expander 3 enters a condenser 10 to release heat and be condensed; the steam generated by the medium temperature evaporator 12 flows through the second expansion machine 5 to reduce the pressure and do work, and then enters the condenser 10 to release heat and condense; the heat source medium provides driving heat load through the high-temperature heat exchanger 9, the cooling medium takes away low-temperature heat load through the condenser 10, the expansion speed increaser 14 provides power for the dual-energy compressor 13, and the expansion machine 3, the second expansion machine 5 and the expansion speed increaser 14 provide power outwards together to form a single working medium combined cycle steam power device.
The single-working-medium combined-cycle steam power plant shown in fig. 3 is realized in such a way that:
in the single-working medium combined cycle steam power device shown in fig. 2, a mixed evaporator 11 and a medium temperature evaporator 12 are respectively provided with a heat medium channel to be communicated with the outside; the condensate entering the hybrid evaporator 11 is mixed with steam to absorb heat and absorb the heat load provided by an external heat source medium at the same time, and the condensate entering the medium-temperature evaporator 12 absorbs the heat load provided by the steam and the heat source medium at the same time, so that the single-working-medium combined-cycle steam power device is formed.
The single-working-medium combined-cycle steam power plant shown in fig. 4 is realized in such a way that:
(1) structurally, the system mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor, an expansion speed increaser, a heat regenerator and a third circulating pump; the condenser 10 has a condensate pipeline communicated with a heat regenerator 15 through a circulating pump 7, the expander 3 has a steam extraction channel communicated with the heat regenerator 15, the heat regenerator 15 and the condensate pipeline are communicated with a mixed evaporator 11 through a second circulating pump 8, the expansion speed increaser 14 has a steam channel communicated with the mixed evaporator 11 through a medium temperature evaporator 12, the mixed evaporator 11 also has a steam channel communicated with a dual-energy compressor 13 and the expander 3 respectively, the dual-energy compressor 13 also has a steam channel communicated with the expansion speed increaser 14 through a high temperature heat exchanger 9, and the expander 3 also has a steam channel communicated with the condenser 10; the condenser 10 is also provided with a condensate pipeline which is communicated with the medium temperature evaporator 12 through a third circulating pump 16, then a steam channel of the medium temperature evaporator 12 is communicated with the second expander 5, and the second expander 5 is also provided with a steam channel which is communicated with the condenser 10; the high-temperature heat exchanger 9 is also communicated with the outside through a heat source medium channel, the condenser 10 is also communicated with the outside through a cooling medium channel, the medium-temperature evaporator 12 and the mixed evaporator 11 are also communicated with the outside through heat source medium channels respectively, the expansion speed increaser 14 is connected with the dual-energy compressor 13 and transmits power, and the expansion machine 3, the second expansion machine 5 and the expansion speed increaser 14 are connected with the outside and outputs power.
(2) In the process, steam discharged by the dual-energy compressor 13 flows through the high-temperature heat exchanger 9 and absorbs heat, flows through the expansion speed increaser 14 and performs pressure reduction and work doing, pressure reduction and speed increasing, flows through the medium-temperature evaporator 12 and performs heat release and temperature reduction, and then enters the mixing evaporator 11 to be mixed with condensate from the condenser 10 and performs heat release and temperature reduction; the condensate of the condenser 10 is divided into two paths, wherein the first path enters a heat regenerator 15 through a circulating pump 7 in a pressurized manner, the extracted steam of the expansion machine 3 enters the heat regenerator 15 to release heat and condense, the condensate of the heat regenerator 15 enters a mixing evaporator 11 through a second circulating pump 8 in a pressurized manner to absorb heat and vaporize, and the second path enters a medium-temperature evaporator 12 through a third circulating pump 16 in a pressurized manner to absorb heat and vaporize; the steam generated by the mixed evaporator 11 is divided into two paths, wherein the first path is provided for the dual-energy compressor 13 to increase the pressure, increase the temperature and reduce the speed, and the second path is provided for the expansion machine 3 to reduce the pressure and work; the steam enters the expansion machine 3 to complete partial work and then is divided into two paths, wherein the first path enters the heat regenerator 15, and the second path continues to complete decompression work and then enters the condenser 10 to release heat and condense; the steam generated by the medium temperature evaporator 12 flows through the second expansion machine 5 to reduce the pressure and do work, and then enters the condenser 10 to release heat and condense; the heat source medium provides driving heat load through the high-temperature heat exchanger 9, the medium-temperature evaporator 12 and the mixed evaporator 11, the cooling medium takes away low-temperature heat load through the condenser 10, the expansion speed increaser 14 provides power for the dual-energy compressor 13, and the expansion machine 3, the second expansion machine 5 and the expansion speed increaser 14 provide power outwards together to form a single working medium combined cycle steam power device.
The single-working-medium combined-cycle steam power plant shown in fig. 5 is realized in such a way that:
(1) structurally, the system mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor, an expansion speed increaser, a heat regenerator, a third circulating pump, a second heat regenerator and a fourth circulating pump; the condenser 10 is provided with a condensate pipeline which is communicated with a heat regenerator 15 through a circulating pump 7, the expander 3 is also provided with a steam extraction channel which is communicated with the heat regenerator 15, the heat regenerator 15 and the condensate pipeline are communicated with a mixed evaporator 11 through a second circulating pump 8, the expansion speed increaser 14 is provided with a steam channel which is communicated with the mixed evaporator 11 through a medium temperature evaporator 12, the mixed evaporator 11 is also provided with a steam channel which is respectively communicated with a dual-energy compressor 13 and the expander 3, the dual-energy compressor 13 is also provided with a steam channel which is communicated with the expansion speed increaser 14 through a high temperature heat exchanger 9, and the expander 3 is also provided with a steam channel which is communicated with the condenser 10; the condenser 10 is also communicated with a second heat regenerator 17 through a third circulating pump 16 by a condensate pipeline, the second expander 5 is also communicated with the second heat regenerator 17 by a steam extraction channel, the second heat regenerator 17 is also communicated with the medium temperature evaporator 12 by a fourth circulating pump 18 by a condensate pipeline, then a steam channel of the medium temperature evaporator 12 is communicated with the second expander 5, and the second expander 5 is also communicated with the condenser 10 by a steam channel; the high-temperature heat exchanger 9 is also communicated with the outside through a heat source medium channel, the condenser 10 is also communicated with the outside through a cooling medium channel, the medium-temperature evaporator 12 and the mixed evaporator 11 are also communicated with the outside through heat source medium channels respectively, the expansion speed increaser 14 is connected with the dual-energy compressor 13 and transmits power, and the expansion machine 3, the second expansion machine 5 and the expansion speed increaser 14 are connected with the outside and outputs power.
(2) In the process, steam discharged by the dual-energy compressor 13 flows through the high-temperature heat exchanger 9 and absorbs heat, flows through the expansion speed increaser 14 and performs pressure reduction and work doing, pressure reduction and speed increasing, flows through the medium-temperature evaporator 12 and performs heat release and temperature reduction, and then enters the mixing evaporator 11 to be mixed with condensate from the condenser 10 and performs heat release and temperature reduction; the condensate of the condenser 10 is divided into two paths, wherein the first path enters a heat regenerator 15 through a circulating pump 7 in a pressurized manner, the extracted steam of the expansion machine 3 enters the heat regenerator 15 to release heat and condense, the condensate of the heat regenerator 15 enters a mixing evaporator 11 through a second circulating pump 8 in a pressurized manner, the second path enters a second heat regenerator 17 through a third circulating pump 16 in a pressurized manner, the extracted steam of the second expansion machine 5 enters the second heat regenerator 17 to release heat and condense, and the condensate of the second heat regenerator 17 enters a medium-temperature evaporator 12 to absorb heat and vaporize after being pressurized by a fourth circulating pump 18; the steam generated by the mixed evaporator 11 is divided into two paths, wherein the first path is provided for the dual-energy compressor 13 to increase the pressure, increase the temperature and reduce the speed, and the second path is provided for the expansion machine 3 to reduce the pressure and work; the steam enters the expansion machine 3 to complete partial work, and then is divided into two paths, namely, the first path enters the heat regenerator 15, and the second path continues to reduce the pressure and work, then enters the condenser 10 to release heat and condense; the steam generated by the medium temperature evaporator 12 flows through the second expander 5 to complete partial decompression work, and then is divided into two paths, namely the first path enters the second heat regenerator 17, and the second path enters the condenser 10 to release heat and condense after completing the decompression work; the heat source medium provides driving heat load through the high-temperature heat exchanger 9, the medium-temperature evaporator 12 and the mixed evaporator 11, the cooling medium takes away low-temperature heat load through the condenser 10, the expansion speed increaser 14 provides power for the dual-energy compressor 13, and the expansion machine 3, the second expansion machine 5 and the expansion speed increaser 14 provide power outwards together to form a single working medium combined cycle steam power device.
The single-working-medium combined-cycle steam power plant shown in fig. 6 is realized in such a way that:
(1) structurally, the system mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor, an expansion speed increaser, a preheater and a second preheater; the condenser 10 is provided with a condensate pipeline which is communicated with a mixed evaporator 11 through a circulating pump 7 and a preheater 19, an expansion speed increaser 14 is provided with a steam channel which is communicated with the mixed evaporator 11 through a medium temperature evaporator 12, the mixed evaporator 11 is also provided with a steam channel which is respectively communicated with a dual-energy compressor 13 and an expander 3, the dual-energy compressor 13 is also provided with a steam channel which is communicated with the expansion speed increaser 14 through a high temperature heat exchanger 9, and the expander 3 is also provided with a steam channel which is communicated with the condenser 10; the condenser 10 is also provided with a condensate pipeline which is communicated with the medium-temperature evaporator 12 through a second circulating pump 8 and a second preheater 20, then the medium-temperature evaporator 12 is provided with a steam channel which is communicated with the second expander 5, and the second expander 5 is also provided with a steam channel which is communicated with the condenser 10; the high-temperature heat exchanger 9 is also communicated with the outside through a heat source medium channel, the condenser 10 is also communicated with the outside through a cooling medium channel, the medium-temperature evaporator 12 and the mixed evaporator 11 are also communicated with the outside through heat source medium channels respectively, the preheater 19 and the second preheater 20 are also communicated with the outside through heat source medium channels respectively, the expansion speed increaser 14 is connected with the dual-energy compressor 13 and transmits power, and the expander 3, the second expander 5 and the expansion speed increaser 14 are connected with the outside and outputs power.
(2) In the process, steam discharged by the dual-energy compressor 13 flows through the high-temperature heat exchanger 9 and absorbs heat, flows through the expansion speed increaser 14 and performs pressure reduction and work doing, pressure reduction and speed increasing, flows through the medium-temperature evaporator 12 and performs heat release and temperature reduction, and then enters the mixing evaporator 11 to be mixed with condensate from the condenser 10 and performs heat release and temperature reduction; the condensate of the condenser 10 is divided into two paths, wherein the first path is pressurized by the circulating pump 7 and flows through the preheater 19 to absorb heat and raise the temperature, and then enters the mixing evaporator 11, and the second path is pressurized by the second circulating pump 8 and flows through the second preheater 20 to absorb heat and raise the temperature, and then enters the medium temperature evaporator 12 to absorb heat and vaporize; the steam generated by the mixed evaporator 11 enters a dual-energy compressor 13 to be boosted, heated and decelerated and enters an expander 3 to be decompressed and do work, and the steam discharged by the expander 3 enters a condenser 10 to release heat and be condensed; the steam generated by the medium temperature evaporator 12 flows through the second expansion machine 5 to reduce the pressure and do work, and then enters the condenser 10 to release heat and condense; the heat source medium provides a driving heat load through the high-temperature heat exchanger 9, the medium-temperature evaporator 12, the mixed evaporator 11, the preheater 19 and the second preheater 20, the cooling medium takes away the low-temperature heat load through the condenser 10, the expansion speed increaser 14 provides power for the dual-energy compressor 13, and the expansion machine 3, the second expansion machine 5 and the expansion speed increaser 14 provide power outwards together to form a single working medium combined cycle steam power device.
The single-working-medium combined-cycle steam power plant shown in fig. 7 is realized in such a way that:
(1) structurally, the system mainly comprises an expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor, an expansion speed increaser, a preheater and a second preheater; the condenser 10 is provided with a condensate pipeline which is communicated with a mixed evaporator 11 through a circulating pump 7 and a preheater 19, an expansion speed increaser 14 is provided with a steam channel which is communicated with the mixed evaporator 11 through a medium temperature evaporator 12, the mixed evaporator 11 is also provided with a steam channel which is communicated with a dual-energy compressor 13, the mixed evaporator 11 is also provided with a middle steam inlet channel which is communicated with an expander 3, and the dual-energy compressor 13 is also provided with a steam channel which is communicated with the expansion speed increaser 14 through a high temperature heat exchanger 9; the condenser 10 is also provided with a condensate pipeline which is communicated with the medium temperature evaporator 12 through a second circulating pump 8 and a second preheater 20, then the medium temperature evaporator 12 is provided with a steam channel which is communicated with the expander 3, and the expander 3 is also provided with a steam channel which is communicated with the condenser 10; the high-temperature heat exchanger 9 is also communicated with the outside through a heat source medium channel, the condenser 10 is also communicated with the outside through a cooling medium channel, the medium-temperature evaporator 12 and the mixed evaporator 11 are also communicated with the outside through heat source medium channels respectively, the preheater 19 and the second preheater 20 are also communicated with the outside through heat source medium channels respectively, the expansion speed increaser 14 is connected with the dual-energy compressor 13 and transmits power, and the expansion speed increaser 14 and the expander 3 are connected with the outside and outputs power.
(2) In the process, steam discharged by the dual-energy compressor 13 flows through the high-temperature heat exchanger 9 and absorbs heat, flows through the expansion speed increaser 14 and performs pressure reduction and work doing, pressure reduction and speed increasing, flows through the medium-temperature evaporator 12 and performs heat release and temperature reduction, and then enters the mixing evaporator 11 to be mixed with condensate from the condenser 10 and performs heat release and temperature reduction; the condensate of the condenser 10 is divided into two paths, wherein the first path is pressurized by the circulating pump 7 and flows through the preheater 19 to absorb heat and raise the temperature, and then enters the mixing evaporator 11, and the second path is pressurized by the second circulating pump 8 and flows through the second preheater 20 to absorb heat and raise the temperature, and then enters the medium temperature evaporator 12 to absorb heat and vaporize; the steam generated by the mixed evaporator 11 enters the dual-energy compressor 13 to be boosted, heated and decelerated respectively and enters the expansion machine 3 to be decompressed and work through the middle steam inlet channel, the steam generated by the medium-temperature evaporator 12 enters the expansion machine 3 to be decompressed and work, and the steam discharged by the expansion machine 3 enters the condenser 10 to release heat and be condensed; the heat source medium provides a driving heat load through the high-temperature heat exchanger 9, the medium-temperature evaporator 12, the mixed evaporator 11, the preheater 19 and the second preheater 20, the cooling medium takes away the low-temperature heat load through the condenser 10, the expansion speed increaser 14 provides power for the dual-energy compressor 13, and the expansion machine 3 and the expansion speed increaser 14 provide power outwards together to form a single working medium combined cycle steam power device.
The single-working-medium combined-cycle steam power plant shown in fig. 8 is realized in such a way that:
in the single-working medium combined cycle steam power plant shown in fig. 3, an intermediate reheater is added, and the intermediate temperature evaporator 12 having a steam passage communicating with the second expander 5 and the second expander 5 having a steam passage communicating with the condenser 10 are adjusted such that the intermediate temperature evaporator 12 having a steam passage communicating with the second expander 5, the second expander 5 further having an intermediate reheater steam passage communicating with the second expander 5 via the intermediate reheater 21 and the second expander 5 further having a steam passage communicating with the condenser 10, and the intermediate reheater 21 further having a heat source medium passage communicating with the outside; the steam output by the medium temperature evaporator 12 enters the second expansion machine 5 to reduce pressure and do work to a certain intermediate pressure, is led out, then enters the intermediate reheater 21 through the intermediate reheated steam channel to absorb heat and raise temperature, then enters the second expansion machine 5 through the intermediate reheated steam channel to continue reducing pressure and doing work, and then enters the condenser 10 to release heat and condense to form the single working medium combined cycle steam power device.
The single-working-medium combined-cycle steam power plant shown in fig. 9 is realized in such a way that:
in the single-working-medium combined-cycle steam power plant shown in fig. 6, the second expander 5 having a steam passage communicating with the condenser 10 is adjusted so that the second expander 5 having a steam passage communicating with the expander 3; the steam entering the second expander 5 completes partial pressure reduction work, enters the expander 3 to continue pressure reduction work, and then enters the condenser 10 to release heat and condense, so as to form the single working medium combined cycle steam power device.
The single-working-medium combined-cycle steam power plant shown in fig. 10 is realized in such a way that:
(1) structurally, in the single-working-medium combined-cycle steam power plant shown in fig. 6, a second condenser is added, the second expander 5 is adjusted to have a steam channel communicated with the condenser 10, the second expander 5 has a steam channel communicated with the second condenser 22, the condenser 10 has a condensate pipeline communicated with the medium temperature evaporator 12 through the second circulating pump 8 and the second preheater 20, the second condenser 22 has a condensate pipeline communicated with the medium temperature evaporator 12 through the second circulating pump 8 and the second preheater 20, and the second condenser 22 also has a cooling medium channel communicated with the outside.
(2) In the process, compared with the single working medium combined cycle steam power plant shown in fig. 6, the difference lies in that the steam discharged from the second expander 5 enters the second condenser 22 to release heat to the cooling medium and condense, the condensate of the second condenser 22 flows through the second circulating pump 8 to increase the pressure, flows through the second preheater 20 to absorb heat and increase the temperature, flows through the medium temperature evaporator 12 to absorb heat and vaporize, then flows through the second expander 5 to reduce the pressure and do work, and the single working medium combined cycle steam power plant is formed.
The single-working-medium combined-cycle steam power plant shown in fig. 11 is realized by:
(1) structurally, in the single-working-medium combined-cycle steam power plant shown in fig. 6, the condenser 10 is provided with a condensate pipeline communicated with the mixing evaporator 11 through the circulating pump 7 and the preheater 19, and the condenser 10 is provided with a condensate pipeline communicated with the intermediate temperature evaporator 12 through the second circulating pump 8 and the second preheater 20, and the condensate pipeline of the condenser 10 is divided into two paths after passing through the circulating pump 7 and the preheater 19, wherein the first path is directly communicated with the mixing evaporator 11, and the second path is communicated with the intermediate temperature evaporator 12 through the second circulating pump 8 and the second preheater 20.
(2) In the process, compared with the single working medium combined cycle steam power device shown in fig. 6, the difference lies in that the condensate of the condenser 10 is divided into two paths after flowing through the circulating pump 7 to increase the pressure and flowing through the preheater 19 to absorb heat and raise the temperature, the first path flows into the mixing evaporator 11, the second path flows through the second circulating pump 8 to increase the pressure, flows through the second preheater 20 to absorb heat and raise the temperature, and flows through the medium temperature evaporator 12 to absorb heat and vaporize, so that the single working medium combined cycle steam power device is formed.
The single-working-medium combined-cycle steam power plant shown in fig. 12 is realized in such a way that:
(1) structurally, in the single-working medium combined cycle steam power device shown in fig. 3, a new expansion machine, a new circulating pump and a new intermediate temperature evaporator are added, a condenser 10 is additionally provided with a condensate liquid pipeline which is communicated with the new intermediate temperature evaporator C through a new circulating pump B, then the new intermediate temperature evaporator C is further communicated with the new expansion machine a through a steam channel, the new expansion machine a is further communicated with the condenser 10 through a steam channel, the expansion speed increaser 14 is communicated with the mixed evaporator 11 through the intermediate temperature evaporator 12, the expansion speed increaser 14 is adjusted to be provided with a steam channel which is communicated with the mixed evaporator 11 through the new intermediate temperature evaporator C and the intermediate temperature evaporator 12, the new intermediate temperature evaporator C is further provided with a heat source medium channel which is communicated with the outside, and the new expansion machine a is connected with the outside and outputs power.
(2) Compared with the single-working medium combined cycle steam power plant shown in fig. 3, the difference in the flow is that the steam discharged from the expansion speed increaser 14 flows through the newly-added intermediate temperature evaporator C and the intermediate temperature evaporator 12, gradually releases heat and cools, and then enters the mixing evaporator 11; part of condensate of the condenser 10 flows through a newly-added circulating pump B to increase the pressure, flows through a newly-added intermediate temperature evaporator C to absorb heat and vaporize, flows through a newly-added expansion machine A to reduce the pressure and do work, and then enters the condenser 10 to release heat and condense; the heat source medium provides driving heat load through the high-temperature heat exchanger 9, the newly-added middle-temperature evaporator C, the middle-temperature evaporator 12 and the mixed evaporator 11, and the expander 3, the second expander 5, the expansion speed increaser 14 and the newly-added expansion machine A output power outwards to form the single working medium combined cycle steam power device.
The single-working-medium combined-cycle steam power plant shown in fig. 13 is realized in such a way that:
(1) structurally, in the single-working medium combined cycle steam power device shown in figure 6, a new expansion machine and a new circulating pump are added, the method comprises the steps of adding a medium-temperature evaporator and a new preheater, adding a condensate liquid pipeline to a condenser 10, communicating the condensate liquid pipeline with the new medium-temperature evaporator C through a new circulating pump B and a new preheater D, then communicating the new medium-temperature evaporator C through a steam channel and a new expansion machine A, communicating the new expansion machine A and the steam channel with the condenser 10, communicating the steam channel of the expansion speed increasing machine 14 with a mixed evaporator 11 through a medium-temperature evaporator 12, adjusting the communication between the steam channel of the expansion speed increasing machine 14 and the mixed evaporator 11 through the new medium-temperature evaporator C and the medium-temperature evaporator 12, communicating the new medium-temperature evaporator C with the outside through a heat source medium channel, communicating the new preheater D with the outside through a heat source medium channel, and outputting power through the new expansion machine A.
(2) In the process, compared with the single-working medium combined cycle steam power plant shown in fig. 6, the difference lies in that steam discharged from the expansion speed increaser 14 flows through the newly-added intermediate temperature evaporator C and the intermediate temperature evaporator 12, gradually releases heat and cools, and then enters the mixing evaporator 11; part of condensate of the condenser 10 flows through a newly-added circulating pump B to be boosted, flows through a newly-added preheater D to absorb heat and be boosted, flows through a newly-added intermediate temperature evaporator C to absorb heat and be vaporized, flows through a newly-added expansion machine A to be decompressed and work, and then enters the condenser 10 to release heat and be condensed; the heat source medium provides driving heat load through the high-temperature heat exchanger 9, the newly-added middle-temperature evaporator C, the middle-temperature evaporator 12, the mixed evaporator 11, the newly-added preheater D, the preheater 19 and the second preheater 20, and the expander 3, the second expander 5, the expansion speed increaser 14 and the newly-added expander A output power to form the single working medium combined cycle steam power device.
The single-working-medium combined-cycle steam power plant shown in fig. 14 is realized in such a way that:
(1) structurally, in the single-working-medium combined-cycle steam power plant shown in fig. 3, a newly added compressor and a newly added high-temperature heat exchanger are added, a steam channel of a dual-energy compressor 13 is communicated with an expansion speed increaser 14 through the high-temperature heat exchanger 9, the dual-energy compressor 13 is adjusted to be communicated with a newly added compressor E through the steam channel of the high-temperature heat exchanger 9, the newly added compressor E is communicated with the expansion speed increaser 14 through a steam channel of the newly added high-temperature heat exchanger F, the newly added high-temperature heat exchanger F is communicated with the outside through a heat source medium channel, and the expansion speed increaser 14 is connected with the newly added compressor E and.
(2) Compared with the single-working medium combined cycle steam power plant shown in the figure 3, the difference of the flow is that the steam discharged by the dual-energy compressor 13 flows through the high-temperature heat exchanger 9 and absorbs heat, and then enters the newly-added compressor E to increase the pressure and the temperature; the steam discharged by the newly-increased compressor E flows through the newly-increased high-temperature heat exchanger F and absorbs heat, and then enters the expansion speed-increasing machine 14 to reduce the pressure and do work and reduce the pressure and increase the speed; the expansion speed increaser 14 provides power for the newly-increased compressor E, and the heat source medium provides driving heat load through the newly-increased high-temperature heat exchanger F, the high-temperature heat exchanger 9, the medium-temperature evaporator 12 and the mixed evaporator 11, so that the single-working-medium combined-cycle steam power device is formed.
The single-working-medium combined-cycle steam power plant shown in fig. 15 is realized by:
(1) structurally, in the single-working medium combined cycle steam power device shown in fig. 3, a newly added dual-energy compressor and a newly added high-temperature heat exchanger are added, a steam channel of the dual-energy compressor 13 is communicated with the expansion speed increaser 14 through the high-temperature heat exchanger 9, the dual-energy compressor 13 is adjusted to be communicated with the newly added dual-energy compressor G through the steam channel of the dual-energy compressor 9, the newly added dual-energy compressor G is communicated with the expansion speed increaser 14 through a steam channel of the newly added high-temperature heat exchanger F, the newly added high-temperature heat exchanger F is also communicated with the outside through a heat source medium channel, and the expansion speed increaser 14 is connected with the newly added dual-energy compressor.
(2) In the flow, compared with the single-working medium combined cycle steam power plant shown in fig. 3, the difference lies in that the steam discharged by the dual-energy compressor 13 flows through the high-temperature heat exchanger 9 and absorbs heat, and then enters the newly-added dual-energy compressor G to increase the pressure, increase the temperature and reduce the speed; the steam discharged by the newly-increased double-energy compressor G flows through the newly-increased high-temperature heat exchanger F and absorbs heat, and then enters the expansion speed-increasing machine 14 to reduce pressure, do work and increase pressure and speed; the expansion speed increaser 14 provides power for the newly-increased dual-energy compressor G, and the heat source medium provides driving heat load through the newly-increased high-temperature heat exchanger F, the high-temperature heat exchanger 9, the medium-temperature evaporator 12 and the mixed evaporator 11, so that the single-working-medium combined cycle steam power device is formed.
The single-working-medium combined-cycle steam power plant shown in fig. 16 is realized in such a way that:
(1) structurally, in the single-working medium combined cycle steam power plant shown in fig. 3, a new expansion machine and a new high-temperature heat exchanger are added, a steam channel of a dual-energy compressor 13 is communicated with an expansion speed increaser 14 through a high-temperature heat exchanger 9, the dual-energy compressor 13 is adjusted to be communicated with a new expansion machine A through the high-temperature heat exchanger 9, the new expansion machine A is further communicated with the expansion speed increaser 14 through a steam channel of a new high-temperature heat exchanger F, the new high-temperature heat exchanger F is also communicated with the outside through a heat source medium channel, and the new expansion machine A is connected with the outside and outputs power.
(2) Compared with the single-working medium combined cycle steam power plant shown in figure 3, the difference in the flow is that the steam discharged by the dual-energy compressor 13 flows through the high-temperature heat exchanger 9 and absorbs heat, and then enters the new expansion machine A to reduce pressure and do work; the steam discharged by the new expansion machine A flows through the new high-temperature heat exchanger F and absorbs heat, and then enters the expansion speed-increasing machine 14 to reduce pressure and do work and reduce pressure and increase speed; the work output by the new expansion machine A is provided for the outside, and the heat source medium provides a driving heat load through the new high-temperature heat exchanger F, the high-temperature heat exchanger 9, the medium-temperature evaporator 12 and the mixed evaporator 11, so that the single-working-medium combined-cycle steam power device is formed.
The single-working-medium combined-cycle steam power plant shown in fig. 17 is realized by:
(1) structurally, in the single-working medium combined cycle steam power device shown in fig. 3, a newly-added expansion speed increaser and a newly-added high-temperature heat exchanger are added, a steam channel of a dual-energy compressor 13 is communicated with an expansion speed increaser 14 through a high-temperature heat exchanger 9, the dual-energy compressor 13 is adjusted to be communicated with the newly-added expansion speed increaser I through the high-temperature heat exchanger 9, the newly-added expansion speed increaser I is communicated with the expansion speed increaser 14 through a steam channel of a newly-added high-temperature heat exchanger F, the newly-added high-temperature heat exchanger F is communicated with the outside through a heat source medium channel, and the newly-added expansion speed increaser I is.
(2) Compared with the single-working medium combined cycle steam power device shown in the figure 3, the difference of the flow is that the steam discharged by the double-energy compressor 13 flows through the high-temperature heat exchanger 9 and absorbs heat, and then enters the newly-added expansion speed increaser I to reduce the pressure, do work and increase the pressure and speed; the steam discharged by the newly-added expansion speed increaser I flows through the newly-added high-temperature heat exchanger F and absorbs heat, and then enters the expansion speed increaser 14 to reduce the pressure and do work and reduce the pressure and increase the speed; the work output by the newly added expansion speed increaser I is provided for the outside, and a heat source medium provides a driving heat load through the newly added high-temperature heat exchanger F, the high-temperature heat exchanger 9, the medium-temperature evaporator 12 and the mixed evaporator 11, so that a single-working-medium combined-cycle steam power device is formed.
The single-working-medium combined-cycle steam power plant shown in fig. 18 is realized by:
(1) structurally, in the single-working medium combined cycle steam power plant shown in fig. 3, a high-temperature heat regenerator is added, a steam channel of the dual-energy compressor 13 is communicated with the expansion speed increaser 14 through the high-temperature heat exchanger 9, the dual-energy compressor 13 is adjusted to have a steam channel communicated with the expansion speed increaser 14 through the high-temperature heat regenerator 23 and the high-temperature heat exchanger 9, the expansion speed increaser 14 has a steam channel communicated with the hybrid evaporator 11 through the medium-temperature evaporator 12, and the expansion speed increaser 14 is adjusted to have a steam channel communicated with the hybrid evaporator 11 through the high-temperature heat regenerator 23 and the medium-temperature evaporator 12.
(2) Compared with the single-working medium combined cycle steam power plant shown in fig. 3, the difference in the flow is that the steam discharged by the dual-energy compressor 13 flows through the high-temperature heat regenerator 23 and the high-temperature heat exchanger 9 and gradually absorbs heat and increases temperature, and then enters the expansion speed increaser 14; the steam discharged by the expansion speed increaser 14 flows through the high-temperature heat regenerator 23 and the medium-temperature evaporator 12 to gradually release heat and reduce temperature, and then enters the hybrid evaporator 11 to form a single-working-medium combined cycle steam power device.
The single-working-medium combined-cycle steam power plant shown in fig. 19 is realized by:
(1) structurally, in the single-working medium combined cycle steam power plant shown in fig. 3, a high-temperature heat regenerator, a newly-increased diffuser pipe and a newly-increased high-temperature heat exchanger are added, a steam channel of a dual-energy compressor 13 is communicated with an expansion speed increaser 14 through a high-temperature heat exchanger 9, the steam channel of the dual-energy compressor 13 is communicated with a newly-increased diffuser pipe H through a high-temperature heat regenerator 23 and the high-temperature heat exchanger 9, the steam channel of the newly-increased diffuser pipe H is communicated with the expansion speed increaser 14 through a newly-increased high-temperature heat exchanger F, the steam channel of the expansion speed increaser 14 is communicated with a mixed evaporator 11 through a medium-temperature evaporator 12, the steam channel of the expansion speed increaser 14 is communicated with the mixed evaporator 11 through the high-temperature heat regenerator 23 and the medium-temperature evaporator 12, and the newly-.
(2) In the process, compared with the single-working medium combined cycle steam power plant shown in fig. 3, the difference lies in that steam discharged by the dual-energy compressor 13 flows through the high-temperature heat regenerator 23 and the high-temperature heat exchanger 9 and gradually absorbs heat, and then enters the newly-added diffuser pipe H to increase pressure, raise temperature and reduce speed; the steam discharged by the newly added diffuser pipe H flows through the newly added high-temperature heat exchanger F and absorbs heat, and then enters the expansion speed increaser 14 to reduce the pressure and do work and reduce the pressure and increase the speed; the steam discharged by the expansion speed increaser 14 flows through the high-temperature heat regenerator 23 and the medium-temperature evaporator 12 to gradually release heat, and then enters the mixing evaporator 11; the heat source medium provides driving heat load through the newly-added high-temperature heat exchanger F, the high-temperature heat exchanger 9, the medium-temperature evaporator 12 and the mixed evaporator 11, and a single-working-medium combined-cycle steam power device is formed.
The effect that the technology of the invention can realize-the single working medium combined cycle steam power plant provided by the invention has the following effects and advantages:
(1) the dual-energy compressor replaces a main compressor, and the manufacturing difficulty and the manufacturing cost of the single-working-medium combined-cycle steam power device are greatly reduced.
(2) The expansion speed increaser replaces a main expansion machine, so that the manufacturing difficulty and the manufacturing cost of the single-working-medium combined-cycle steam power device are greatly reduced.
(3) The nozzle or the expansion speed increaser replaces a non-main expansion machine, so that the manufacturing difficulty and the manufacturing cost of the single-working-medium combined-cycle steam power device are effectively reduced.
(4) The diffuser pipe or the dual-energy compressor replaces a non-main compressor, and the manufacturing difficulty and the manufacturing cost of the single working medium combined cycle steam power device are effectively reduced.
(5) The simple components replace complex components, and the heat efficiency of the single working medium combined cycle steam power device is kept or improved.
(6) The complex parts are replaced by simple parts and simplified, which is beneficial to improving the safety and service life of the dynamic parts.
(7) A plurality of specific technical schemes are provided, and the device can be used for coping with a plurality of different actual conditions and has a wider application range.
(8) The technology of the single-working-medium combined-cycle steam power device is expanded, the types of the single-working-medium combined-cycle steam power device are enriched, the conversion of heat energy into mechanical energy is favorably realized, and the application range of the single-working-medium combined-cycle steam power device is expanded.

Claims (50)

1. The single working medium combined cycle steam power device mainly comprises a compressor, a diffuser pipe, an expander, a spray pipe, a second expander, a third expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator and a medium-temperature evaporator; the condenser (10) is provided with a condensate pipeline which is communicated with the mixed evaporator (11) through a circulating pump (7), the expander (3) is provided with a steam channel which is communicated with the mixed evaporator (11) through a spray pipe (4) and a medium temperature evaporator (12), the mixed evaporator (11) is also provided with a steam channel which is respectively communicated with the compressor (1) through a diffuser pipe (2) and directly communicated with the second expander (5), the compressor (1) is also provided with a steam channel which is communicated with the expander (3) through a high temperature heat exchanger (9), and the second expander (5) is also provided with a steam channel which is communicated with the condenser (10); the condenser (10) is also provided with a condensate pipeline which is communicated with the medium-temperature evaporator (12) through a second circulating pump (8), then a steam channel of the medium-temperature evaporator (12) is communicated with a third expansion machine (6), and the third expansion machine (6) is also provided with a steam channel which is communicated with the condenser (10); the high-temperature heat exchanger (9) is also provided with a heat source medium channel communicated with the outside, the condenser (10) is also provided with a cooling medium channel communicated with the outside, the expander (3) is connected with the compressor (1) and transmits power, and the expander (3), the second expander (5) and the third expander (6) are connected with the outside and outputs power to form a single-working-medium combined cycle steam power device; wherein, the mixing evaporator (11) is also provided with a heat source medium channel which is communicated with the outside, or the medium temperature evaporator (12) is also provided with a heat source medium channel which is communicated with the outside.
2. The single working medium combined cycle steam power device mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor and an expansion speed increaser; the condenser (10) is provided with a condensate pipeline which is communicated with the mixed evaporator (11) through a circulating pump (7), the expansion speed increaser (14) is provided with a steam channel which is communicated with the mixed evaporator (11) through a medium temperature evaporator (12), the mixed evaporator (11) is also provided with a steam channel which is respectively communicated with the dual-energy compressor (13) and the expander (3), the dual-energy compressor (13) is also provided with a steam channel which is communicated with the expansion speed increaser (14) through a high temperature heat exchanger (9), and the expander (3) is also provided with a steam channel which is communicated with the condenser (10); the condenser (10) is also provided with a condensate pipeline which is communicated with the medium-temperature evaporator (12) through a second circulating pump (8), then a steam channel of the medium-temperature evaporator (12) is communicated with a second expander (5), and the second expander (5) is also provided with a steam channel which is communicated with the condenser (10); the high-temperature heat exchanger (9) is also provided with a heat source medium channel communicated with the outside, the condenser (10) is also provided with a cooling medium channel communicated with the outside, the expansion speed increaser (14) is connected with the dual-energy compressor (13) and transmits power, and the expansion machine (3), the second expansion machine (5) and the expansion speed increaser (14) are connected with the outside and output power, so that the single-working-medium combined-cycle steam power device is formed.
3. The single working medium combined cycle steam power device mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor and an expansion speed increaser; the condenser (10) is provided with a condensate pipeline which is communicated with the mixed evaporator (11) through a circulating pump (7), the expansion speed increaser (14) is provided with a steam channel which is communicated with the mixed evaporator (11) through a medium temperature evaporator (12), the mixed evaporator (11) is also provided with a steam channel which is respectively communicated with the dual-energy compressor (13) and the expander (3), the dual-energy compressor (13) is also provided with a steam channel which is communicated with the expansion speed increaser (14) through a high temperature heat exchanger (9), and the expander (3) is also provided with a steam channel which is communicated with the condenser (10); the condenser (10) is also provided with a condensate pipeline which is communicated with the medium-temperature evaporator (12) through a second circulating pump (8), then a steam channel of the medium-temperature evaporator (12) is communicated with a second expander (5), and the second expander (5) is also provided with a steam channel which is communicated with the condenser (10); the high-temperature heat exchanger (9) is also provided with a heat source medium channel communicated with the outside, the condenser (10) is also provided with a cooling medium channel communicated with the outside, the medium-temperature evaporator (12) or the mixed evaporator (11) is also provided with a heat source medium channel communicated with the outside, the expansion speed increaser (14) is connected with the dual-energy compressor (13) and transmits power, and the expansion machine (3), the second expansion machine (5) and the expansion speed increaser (14) are connected with the outside and output power, so that the single-working-medium combined cycle steam power device is formed.
4. The single working medium combined cycle steam power device mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor and an expansion speed increaser; the condenser (10) is provided with a condensate pipeline which is communicated with the mixed evaporator (11) through a circulating pump (7), the expansion speed increaser (14) is provided with a steam channel which is communicated with the mixed evaporator (11) through a medium temperature evaporator (12), the mixed evaporator (11) is also provided with a steam channel which is respectively communicated with the dual-energy compressor (13) and the expander (3), the dual-energy compressor (13) is also provided with a steam channel which is communicated with the expansion speed increaser (14) through a high temperature heat exchanger (9), and the expander (3) is also provided with a steam channel which is communicated with the condenser (10); the condenser (10) is also provided with a condensate pipeline which is communicated with the medium-temperature evaporator (12) through a second circulating pump (8), then a steam channel of the medium-temperature evaporator (12) is communicated with a second expander (5), and the second expander (5) is also provided with a steam channel which is communicated with the condenser (10); the high-temperature heat exchanger (9) is also provided with a heat source medium channel communicated with the outside, the condenser (10) is also provided with a cooling medium channel communicated with the outside, the medium-temperature evaporator (12) and the mixed evaporator (11) are also respectively provided with a heat source medium channel communicated with the outside, the expansion speed increaser (14) is connected with the dual-energy compressor (13) and transmits power, and the expansion machine (3), the second expansion machine (5) and the expansion speed increaser (14) are connected with the outside and output power, so that the single-working-medium combined cycle steam power device is formed.
5. The single working medium combined cycle steam power device mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor, an expansion speed increaser, a heat regenerator and a third circulating pump; the condenser (10) is provided with a condensate pipeline which is communicated with a heat regenerator (15) through a circulating pump (7), the expander (3) or a second expander (5) is provided with a steam extraction channel which is communicated with the heat regenerator (15), the heat regenerator (15) is also provided with a condensate pipeline which is communicated with a mixed evaporator (11) through a second circulating pump (8), the expansion speed increaser (14) is provided with a steam channel which is communicated with the mixed evaporator (11) through a medium temperature evaporator (12), the mixed evaporator (11) is also provided with a steam channel which is respectively communicated with a dual-energy compressor (13) and the expander (3), the dual-energy compressor (13) is also provided with a steam channel which is communicated with the expansion speed increaser (14) through a high temperature heat exchanger (9), and the expander (3) is also provided with a steam channel which is communicated with the condenser (10); the condenser (10) is also provided with a condensate pipeline which is communicated with the medium-temperature evaporator (12) through a third circulating pump (16), then a steam channel of the medium-temperature evaporator (12) is communicated with a second expander (5), and the second expander (5) is also provided with a steam channel which is communicated with the condenser (10); the high-temperature heat exchanger (9) is also provided with a heat source medium channel communicated with the outside, the condenser (10) is also provided with a cooling medium channel communicated with the outside, the expansion speed increaser (14) is connected with the dual-energy compressor (13) and transmits power, and the expansion machine (3), the second expansion machine (5) and the expansion speed increaser (14) are connected with the outside and output power, so that the single-working-medium combined-cycle steam power device is formed.
6. The single working medium combined cycle steam power device mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor, an expansion speed increaser, a heat regenerator and a third circulating pump; the condenser (10) is provided with a condensate pipeline which is communicated with a heat regenerator (15) through a circulating pump (7), the expander (3) or a second expander (5) is provided with a steam extraction channel which is communicated with the heat regenerator (15), the heat regenerator (15) is also provided with a condensate pipeline which is communicated with a mixed evaporator (11) through a second circulating pump (8), the expansion speed increaser (14) is provided with a steam channel which is communicated with the mixed evaporator (11) through a medium temperature evaporator (12), the mixed evaporator (11) is also provided with a steam channel which is respectively communicated with a dual-energy compressor (13) and the expander (3), the dual-energy compressor (13) is also provided with a steam channel which is communicated with the expansion speed increaser (14) through a high temperature heat exchanger (9), and the expander (3) is also provided with a steam channel which is communicated with the condenser (10); the condenser (10) is also provided with a condensate pipeline which is communicated with the medium-temperature evaporator (12) through a third circulating pump (16), then a steam channel of the medium-temperature evaporator (12) is communicated with a second expander (5), and the second expander (5) is also provided with a steam channel which is communicated with the condenser (10); the high-temperature heat exchanger (9) is also provided with a heat source medium channel communicated with the outside, the condenser (10) is also provided with a cooling medium channel communicated with the outside, the medium-temperature evaporator (12) or the mixed evaporator (11) is also provided with a heat source medium channel communicated with the outside, the expansion speed increaser (14) is connected with the dual-energy compressor (13) and transmits power, and the expansion machine (3), the second expansion machine (5) and the expansion speed increaser (14) are connected with the outside and output power, so that the single-working-medium combined cycle steam power device is formed.
7. The single working medium combined cycle steam power device mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor, an expansion speed increaser, a heat regenerator and a third circulating pump; the condenser (10) is provided with a condensate pipeline which is communicated with a heat regenerator (15) through a circulating pump (7), the expander (3) or a second expander (5) is provided with a steam extraction channel which is communicated with the heat regenerator (15), the heat regenerator (15) is also provided with a condensate pipeline which is communicated with a mixed evaporator (11) through a second circulating pump (8), the expansion speed increaser (14) is provided with a steam channel which is communicated with the mixed evaporator (11) through a medium temperature evaporator (12), the mixed evaporator (11) is also provided with a steam channel which is respectively communicated with a dual-energy compressor (13) and the expander (3), the dual-energy compressor (13) is also provided with a steam channel which is communicated with the expansion speed increaser (14) through a high temperature heat exchanger (9), and the expander (3) is also provided with a steam channel which is communicated with the condenser (10); the condenser (10) is also provided with a condensate pipeline which is communicated with the medium-temperature evaporator (12) through a third circulating pump (16), then a steam channel of the medium-temperature evaporator (12) is communicated with a second expander (5), and the second expander (5) is also provided with a steam channel which is communicated with the condenser (10); the high-temperature heat exchanger (9) is also provided with a heat source medium channel communicated with the outside, the condenser (10) is also provided with a cooling medium channel communicated with the outside, the medium-temperature evaporator (12) and the mixed evaporator (11) are also respectively provided with a heat source medium channel communicated with the outside, the expansion speed increaser (14) is connected with the dual-energy compressor (13) and transmits power, and the expansion machine (3), the second expansion machine (5) and the expansion speed increaser (14) are connected with the outside and output power, so that the single-working-medium combined cycle steam power device is formed.
8. The single working medium combined cycle steam power device mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor, an expansion speed increaser, a heat regenerator and a third circulating pump; the condenser (10) is provided with a condensate pipeline which is communicated with the mixed evaporator (11) through a circulating pump (7), the expansion speed increaser (14) is provided with a steam channel which is communicated with the mixed evaporator (11) through a medium temperature evaporator (12), the mixed evaporator (11) is also provided with a steam channel which is respectively communicated with the dual-energy compressor (13) and the expander (3), the dual-energy compressor (13) is also provided with a steam channel which is communicated with the expansion speed increaser (14) through a high temperature heat exchanger (9), and the expander (3) is also provided with a steam channel which is communicated with the condenser (10); the condenser (10) is also provided with a condensate pipeline which is communicated with a heat regenerator (15) through a second circulating pump (8), the second expander (5) or the expander (3) is also provided with a steam extraction channel which is communicated with the heat regenerator (15), the heat regenerator (15) is also provided with a steam channel which is communicated with the second expander (5) on the medium temperature evaporator (12) after the condensate pipeline is communicated with the medium temperature evaporator (12) through a third circulating pump (16), and the second expander (5) is also provided with a steam channel which is communicated with the condenser (10); the high-temperature heat exchanger (9) is also provided with a heat source medium channel communicated with the outside, the condenser (10) is also provided with a cooling medium channel communicated with the outside, the expansion speed increaser (14) is connected with the dual-energy compressor (13) and transmits power, and the expansion machine (3), the second expansion machine (5) and the expansion speed increaser (14) are connected with the outside and output power, so that the single-working-medium combined-cycle steam power device is formed.
9. The single working medium combined cycle steam power device mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor, an expansion speed increaser, a heat regenerator and a third circulating pump; the condenser (10) is provided with a condensate pipeline which is communicated with the mixed evaporator (11) through a circulating pump (7), the expansion speed increaser (14) is provided with a steam channel which is communicated with the mixed evaporator (11) through a medium temperature evaporator (12), the mixed evaporator (11) is also provided with a steam channel which is respectively communicated with the dual-energy compressor (13) and the expander (3), the dual-energy compressor (13) is also provided with a steam channel which is communicated with the expansion speed increaser (14) through a high temperature heat exchanger (9), and the expander (3) is also provided with a steam channel which is communicated with the condenser (10); the condenser (10) is also provided with a condensate pipeline which is communicated with a heat regenerator (15) through a second circulating pump (8), the second expander (5) or the expander (3) is also provided with a steam extraction channel which is communicated with the heat regenerator (15), the heat regenerator (15) is also provided with a steam channel which is communicated with the second expander (5) on the medium temperature evaporator (12) after the condensate pipeline is communicated with the medium temperature evaporator (12) through a third circulating pump (16), and the second expander (5) is also provided with a steam channel which is communicated with the condenser (10); the high-temperature heat exchanger (9) is also provided with a heat source medium channel communicated with the outside, the condenser (10) is also provided with a cooling medium channel communicated with the outside, the medium-temperature evaporator (12) or the mixed evaporator (11) is also provided with a heat source medium channel communicated with the outside, the expansion speed increaser (14) is connected with the dual-energy compressor (13) and transmits power, and the expansion machine (3), the second expansion machine (5) and the expansion speed increaser (14) are connected with the outside and output power, so that the single-working-medium combined cycle steam power device is formed.
10. The single working medium combined cycle steam power device mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor, an expansion speed increaser, a heat regenerator and a third circulating pump; the condenser (10) is provided with a condensate pipeline which is communicated with the mixed evaporator (11) through a circulating pump (7), the expansion speed increaser (14) is provided with a steam channel which is communicated with the mixed evaporator (11) through a medium temperature evaporator (12), the mixed evaporator (11) is also provided with a steam channel which is respectively communicated with the dual-energy compressor (13) and the expander (3), the dual-energy compressor (13) is also provided with a steam channel which is communicated with the expansion speed increaser (14) through a high temperature heat exchanger (9), and the expander (3) is also provided with a steam channel which is communicated with the condenser (10); the condenser (10) is also provided with a condensate pipeline which is communicated with a heat regenerator (15) through a second circulating pump (8), the second expander (5) or the expander (3) is also provided with a steam extraction channel which is communicated with the heat regenerator (15), the heat regenerator (15) is also provided with a steam channel which is communicated with the second expander (5) on the medium temperature evaporator (12) after the condensate pipeline is communicated with the medium temperature evaporator (12) through a third circulating pump (16), and the second expander (5) is also provided with a steam channel which is communicated with the condenser (10); the high-temperature heat exchanger (9) is also provided with a heat source medium channel communicated with the outside, the condenser (10) is also provided with a cooling medium channel communicated with the outside, the medium-temperature evaporator (12) and the mixed evaporator (11) are also respectively provided with a heat source medium channel communicated with the outside, the expansion speed increaser (14) is connected with the dual-energy compressor (13) and transmits power, and the expansion machine (3), the second expansion machine (5) and the expansion speed increaser (14) are connected with the outside and output power, so that the single-working-medium combined cycle steam power device is formed.
11. The single working medium combined cycle steam power device mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor, an expansion speed increaser, a heat regenerator, a third circulating pump, a second heat regenerator and a fourth circulating pump; the condenser (10) is provided with a condensate pipeline which is communicated with a heat regenerator (15) through a circulating pump (7), the expander (3) or the second expander (5) is also provided with a steam extraction channel which is communicated with the heat regenerator (15), the heat regenerator (15) is also provided with a condensate pipeline which is communicated with a hybrid evaporator (11) through a second circulating pump (8), the expansion speed increaser (14) is provided with a steam channel which is communicated with the hybrid evaporator (11) through a medium temperature evaporator (12), the hybrid evaporator (11) is also provided with a steam channel which is respectively communicated with a dual-energy compressor (13) and the expander (3), the dual-energy compressor (13) is also provided with a steam channel which is communicated with the expansion speed increaser (14) through a high temperature heat exchanger (9), and the expander (3) is also provided with a steam channel which is communicated with the condenser (10); the condenser (10) is also provided with a condensate pipeline which is communicated with a second heat regenerator (17) through a third circulating pump (16), a second expander (5) or an expander (3) is also provided with a steam extraction channel which is communicated with the second heat regenerator (17), the second heat regenerator (17) is also provided with a condensate pipeline which is communicated with a medium temperature evaporator (12) through a fourth circulating pump (18), then the medium temperature evaporator (12) is also provided with a steam channel which is communicated with the second expander (5), and the second expander (5) is also provided with a steam channel which is communicated with the condenser (10); the high-temperature heat exchanger (9) is also provided with a heat source medium channel communicated with the outside, the condenser (10) is also provided with a cooling medium channel communicated with the outside, the expansion speed increaser (14) is connected with the dual-energy compressor (13) and transmits power, and the expansion machine (3), the second expansion machine (5) and the expansion speed increaser (14) are connected with the outside and output power, so that the single-working-medium combined-cycle steam power device is formed.
12. The single working medium combined cycle steam power device mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor, an expansion speed increaser, a heat regenerator, a third circulating pump, a second heat regenerator and a fourth circulating pump; the condenser (10) is provided with a condensate pipeline which is communicated with a heat regenerator (15) through a circulating pump (7), the expander (3) or the second expander (5) is also provided with a steam extraction channel which is communicated with the heat regenerator (15), the heat regenerator (15) is also provided with a condensate pipeline which is communicated with a hybrid evaporator (11) through a second circulating pump (8), the expansion speed increaser (14) is provided with a steam channel which is communicated with the hybrid evaporator (11) through a medium temperature evaporator (12), the hybrid evaporator (11) is also provided with a steam channel which is respectively communicated with a dual-energy compressor (13) and the expander (3), the dual-energy compressor (13) is also provided with a steam channel which is communicated with the expansion speed increaser (14) through a high temperature heat exchanger (9), and the expander (3) is also provided with a steam channel which is communicated with the condenser (10); the condenser (10) is also provided with a condensate pipeline which is communicated with a second heat regenerator (17) through a third circulating pump (16), a second expander (5) or an expander (3) is also provided with a steam extraction channel which is communicated with the second heat regenerator (17), the second heat regenerator (17) is also provided with a condensate pipeline which is communicated with a medium temperature evaporator (12) through a fourth circulating pump (18), then the medium temperature evaporator (12) is also provided with a steam channel which is communicated with the second expander (5), and the second expander (5) is also provided with a steam channel which is communicated with the condenser (10); the high-temperature heat exchanger (9) is also provided with a heat source medium channel communicated with the outside, the condenser (10) is also provided with a cooling medium channel communicated with the outside, the medium-temperature evaporator (12) or the mixed evaporator (11) is also provided with a heat source medium channel communicated with the outside, the expansion speed increaser (14) is connected with the dual-energy compressor (13) and transmits power, and the expansion machine (3), the second expansion machine (5) and the expansion speed increaser (14) are connected with the outside and output power, so that the single-working-medium combined cycle steam power device is formed.
13. The single working medium combined cycle steam power device mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor, an expansion speed increaser, a heat regenerator, a third circulating pump, a second heat regenerator and a fourth circulating pump; the condenser (10) is provided with a condensate pipeline which is communicated with a heat regenerator (15) through a circulating pump (7), the expander (3) or the second expander (5) is also provided with a steam extraction channel which is communicated with the heat regenerator (15), the heat regenerator (15) is also provided with a condensate pipeline which is communicated with a hybrid evaporator (11) through a second circulating pump (8), the expansion speed increaser (14) is provided with a steam channel which is communicated with the hybrid evaporator (11) through a medium temperature evaporator (12), the hybrid evaporator (11) is also provided with a steam channel which is respectively communicated with a dual-energy compressor (13) and the expander (3), the dual-energy compressor (13) is also provided with a steam channel which is communicated with the expansion speed increaser (14) through a high temperature heat exchanger (9), and the expander (3) is also provided with a steam channel which is communicated with the condenser (10); the condenser (10) is also provided with a condensate pipeline which is communicated with a second heat regenerator (17) through a third circulating pump (16), a second expander (5) or an expander (3) is also provided with a steam extraction channel which is communicated with the second heat regenerator (17), the second heat regenerator (17) is also provided with a condensate pipeline which is communicated with a medium temperature evaporator (12) through a fourth circulating pump (18), then the medium temperature evaporator (12) is also provided with a steam channel which is communicated with the second expander (5), and the second expander (5) is also provided with a steam channel which is communicated with the condenser (10); the high-temperature heat exchanger (9) is also provided with a heat source medium channel communicated with the outside, the condenser (10) is also provided with a cooling medium channel communicated with the outside, the medium-temperature evaporator (12) and the mixed evaporator (11) are also respectively provided with a heat source medium channel communicated with the outside, the expansion speed increaser (14) is connected with the dual-energy compressor (13) and transmits power, and the expansion machine (3), the second expansion machine (5) and the expansion speed increaser (14) are connected with the outside and output power, so that the single-working-medium combined cycle steam power device is formed.
14. The single working medium combined cycle steam power device mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor, an expansion speed increaser and a preheater; the condenser (10) is provided with a condensate pipeline which is communicated with the mixing evaporator (11) through a circulating pump (7) and a preheater (19), the expansion speed increaser (14) is provided with a steam channel which is communicated with the mixing evaporator (11) through a medium temperature evaporator (12), the mixing evaporator (11) is also provided with a steam channel which is respectively communicated with the dual-energy compressor (13) and the expander (3), the dual-energy compressor (13) is also provided with a steam channel which is communicated with the expansion speed increaser (14) through a high temperature heat exchanger (9), and the expander (3) is also provided with a steam channel which is communicated with the condenser (10); the condenser (10) is also provided with a condensate pipeline which is communicated with the medium-temperature evaporator (12) through a second circulating pump (8), then a steam channel of the medium-temperature evaporator (12) is communicated with a second expander (5), and the second expander (5) is also provided with a steam channel which is communicated with the condenser (10); the high-temperature heat exchanger (9) is also provided with a heat source medium channel communicated with the outside, the condenser (10) is also provided with a cooling medium channel communicated with the outside, the preheater (19) is also provided with a heat source medium channel communicated with the outside, the expansion speed increaser (14) is connected with the dual-energy compressor (13) and transmits power, and the expansion machine (3), the second expansion machine (5) and the expansion speed increaser (14) are connected with the outside and output power, so that the single-working-medium combined cycle steam power device is formed.
15. The single working medium combined cycle steam power device mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor, an expansion speed increaser and a preheater; the condenser (10) is provided with a condensate pipeline which is communicated with the mixing evaporator (11) through a circulating pump (7) and a preheater (19), the expansion speed increaser (14) is provided with a steam channel which is communicated with the mixing evaporator (11) through a medium temperature evaporator (12), the mixing evaporator (11) is also provided with a steam channel which is respectively communicated with the dual-energy compressor (13) and the expander (3), the dual-energy compressor (13) is also provided with a steam channel which is communicated with the expansion speed increaser (14) through a high temperature heat exchanger (9), and the expander (3) is also provided with a steam channel which is communicated with the condenser (10); the condenser (10) is also provided with a condensate pipeline which is communicated with the medium-temperature evaporator (12) through a second circulating pump (8), then a steam channel of the medium-temperature evaporator (12) is communicated with a second expander (5), and the second expander (5) is also provided with a steam channel which is communicated with the condenser (10); the high-temperature heat exchanger (9) is also provided with a heat source medium channel communicated with the outside, the condenser (10) is also provided with a cooling medium channel communicated with the outside, the medium-temperature evaporator (12) or the mixed evaporator (11) is also provided with a heat source medium channel communicated with the outside, the preheater (19) is also provided with a heat source medium channel communicated with the outside, the expansion speed increaser (14) is connected with the dual-energy compressor (13) and transmits power, and the expander (3), the second expander (5) and the expansion speed increaser (14) are connected with the outside and output power, so that the single-working-medium combined cycle steam power device is formed.
16. The single working medium combined cycle steam power device mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor, an expansion speed increaser and a preheater; the condenser (10) is provided with a condensate pipeline which is communicated with the mixing evaporator (11) through a circulating pump (7) and a preheater (19), the expansion speed increaser (14) is provided with a steam channel which is communicated with the mixing evaporator (11) through a medium temperature evaporator (12), the mixing evaporator (11) is also provided with a steam channel which is respectively communicated with the dual-energy compressor (13) and the expander (3), the dual-energy compressor (13) is also provided with a steam channel which is communicated with the expansion speed increaser (14) through a high temperature heat exchanger (9), and the expander (3) is also provided with a steam channel which is communicated with the condenser (10); the condenser (10) is also provided with a condensate pipeline which is communicated with the medium-temperature evaporator (12) through a second circulating pump (8), then a steam channel of the medium-temperature evaporator (12) is communicated with a second expander (5), and the second expander (5) is also provided with a steam channel which is communicated with the condenser (10); the high-temperature heat exchanger (9) is also provided with a heat source medium channel communicated with the outside, the condenser (10) is also provided with a cooling medium channel communicated with the outside, the medium-temperature evaporator (12) and the mixed evaporator (11) are also respectively provided with a heat source medium channel communicated with the outside, the preheater (19) is also provided with a heat source medium channel communicated with the outside, the expansion speed increaser (14) is connected with the dual-energy compressor (13) and transmits power, and the expander (3), the second expander (5) and the expansion speed increaser (14) are connected with the outside and output power, so that the single-working-medium combined cycle steam power device is formed.
17. The single working medium combined cycle steam power device mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor, an expansion speed increaser and a preheater; the condenser (10) is provided with a condensate pipeline which is communicated with the mixed evaporator (11) through a circulating pump (7), the expansion speed increaser (14) is provided with a steam channel which is communicated with the mixed evaporator (11) through a medium temperature evaporator (12), the mixed evaporator (11) is also provided with a steam channel which is respectively communicated with the dual-energy compressor (13) and the expander (3), the dual-energy compressor (13) is also provided with a steam channel which is communicated with the expansion speed increaser (14) through a high temperature heat exchanger (9), and the expander (3) is also provided with a steam channel which is communicated with the condenser (10); the condenser (10) is also provided with a condensate pipeline which is communicated with the medium-temperature evaporator (12) through a second circulating pump (8) and a preheater (19), then the medium-temperature evaporator (12) is communicated with a second expander (5) through a steam channel, and the second expander (5) is also provided with a steam channel which is communicated with the condenser (10); the high-temperature heat exchanger (9) is also provided with a heat source medium channel communicated with the outside, the condenser (10) is also provided with a cooling medium channel communicated with the outside, the preheater (19) is also provided with a heat source medium channel communicated with the outside, the expansion speed increaser (14) is connected with the dual-energy compressor (13) and transmits power, and the expansion machine (3), the second expansion machine (5) and the expansion speed increaser (14) are connected with the outside and output power, so that the single-working-medium combined cycle steam power device is formed.
18. The single working medium combined cycle steam power device mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor, an expansion speed increaser and a preheater; the condenser (10) is provided with a condensate pipeline which is communicated with the mixed evaporator (11) through a circulating pump (7), the expansion speed increaser (14) is provided with a steam channel which is communicated with the mixed evaporator (11) through a medium temperature evaporator (12), the mixed evaporator (11) is also provided with a steam channel which is respectively communicated with the dual-energy compressor (13) and the expander (3), the dual-energy compressor (13) is also provided with a steam channel which is communicated with the expansion speed increaser (14) through a high temperature heat exchanger (9), and the expander (3) is also provided with a steam channel which is communicated with the condenser (10); the condenser (10) is also provided with a condensate pipeline which is communicated with the medium-temperature evaporator (12) through a second circulating pump (8) and a preheater (19), then the medium-temperature evaporator (12) is communicated with a second expander (5) through a steam channel, and the second expander (5) is also provided with a steam channel which is communicated with the condenser (10); the high-temperature heat exchanger (9) is also provided with a heat source medium channel communicated with the outside, the condenser (10) is also provided with a cooling medium channel communicated with the outside, the medium-temperature evaporator (12) or the mixed evaporator (11) is also provided with a heat source medium channel communicated with the outside, the preheater (19) is also provided with a heat source medium channel communicated with the outside, the expansion speed increaser (14) is connected with the dual-energy compressor (13) and transmits power, and the expander (3), the second expander (5) and the expansion speed increaser (14) are connected with the outside and output power, so that the single-working-medium combined cycle steam power device is formed.
19. The single working medium combined cycle steam power device mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor, an expansion speed increaser and a preheater; the condenser (10) is provided with a condensate pipeline which is communicated with the mixed evaporator (11) through a circulating pump (7), the expansion speed increaser (14) is provided with a steam channel which is communicated with the mixed evaporator (11) through a medium temperature evaporator (12), the mixed evaporator (11) is also provided with a steam channel which is respectively communicated with the dual-energy compressor (13) and the expander (3), the dual-energy compressor (13) is also provided with a steam channel which is communicated with the expansion speed increaser (14) through a high temperature heat exchanger (9), and the expander (3) is also provided with a steam channel which is communicated with the condenser (10); the condenser (10) is also provided with a condensate pipeline which is communicated with the medium-temperature evaporator (12) through a second circulating pump (8) and a preheater (19), then the medium-temperature evaporator (12) is communicated with a second expander (5) through a steam channel, and the second expander (5) is also provided with a steam channel which is communicated with the condenser (10); the high-temperature heat exchanger (9) is also provided with a heat source medium channel communicated with the outside, the condenser (10) is also provided with a cooling medium channel communicated with the outside, the medium-temperature evaporator (12) and the mixed evaporator (11) are also respectively provided with a heat source medium channel communicated with the outside, the preheater (19) is also provided with a heat source medium channel communicated with the outside, the expansion speed increaser (14) is connected with the dual-energy compressor (13) and transmits power, and the expander (3), the second expander (5) and the expansion speed increaser (14) are connected with the outside and output power, so that the single-working-medium combined cycle steam power device is formed.
20. The single working medium combined cycle steam power device mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor, an expansion speed increaser, a preheater and a second preheater; the condenser (10) is provided with a condensate pipeline which is communicated with the mixing evaporator (11) through a circulating pump (7) and a preheater (19), the expansion speed increaser (14) is provided with a steam channel which is communicated with the mixing evaporator (11) through a medium temperature evaporator (12), the mixing evaporator (11) is also provided with a steam channel which is respectively communicated with the dual-energy compressor (13) and the expander (3), the dual-energy compressor (13) is also provided with a steam channel which is communicated with the expansion speed increaser (14) through a high temperature heat exchanger (9), and the expander (3) is also provided with a steam channel which is communicated with the condenser (10); the condenser (10) is also provided with a condensate pipeline which is communicated with the medium-temperature evaporator (12) through a second circulating pump (8) and a second preheater (20), then the medium-temperature evaporator (12) is also provided with a steam channel which is communicated with the second expander (5), and the second expander (5) is also provided with a steam channel which is communicated with the condenser (10); the high-temperature heat exchanger (9) is also provided with a heat source medium channel communicated with the outside, the condenser (10) is also provided with a cooling medium channel communicated with the outside, the preheater (19) and the second preheater (20) are also respectively provided with a heat source medium channel communicated with the outside, the expansion speed increaser (14) is connected with the dual-energy compressor (13) and transmits power, and the expander (3), the second expander (5) and the expansion speed increaser (14) are connected with the outside and output power, so that the single-working-medium combined cycle steam power device is formed.
21. The single working medium combined cycle steam power device mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor, an expansion speed increaser, a preheater and a second preheater; the condenser (10) is provided with a condensate pipeline which is communicated with the mixing evaporator (11) through a circulating pump (7) and a preheater (19), the expansion speed increaser (14) is provided with a steam channel which is communicated with the mixing evaporator (11) through a medium temperature evaporator (12), the mixing evaporator (11) is also provided with a steam channel which is respectively communicated with the dual-energy compressor (13) and the expander (3), the dual-energy compressor (13) is also provided with a steam channel which is communicated with the expansion speed increaser (14) through a high temperature heat exchanger (9), and the expander (3) is also provided with a steam channel which is communicated with the condenser (10); the condenser (10) is also provided with a condensate pipeline which is communicated with the medium-temperature evaporator (12) through a second circulating pump (8) and a second preheater (20), then the medium-temperature evaporator (12) is also provided with a steam channel which is communicated with the second expander (5), and the second expander (5) is also provided with a steam channel which is communicated with the condenser (10); the high-temperature heat exchanger (9) is also provided with a heat source medium channel communicated with the outside, the condenser (10) is also provided with a cooling medium channel communicated with the outside, the medium-temperature evaporator (12) or the mixed evaporator (11) is also provided with a heat source medium channel communicated with the outside, the preheater (19) and the second preheater (20) are also respectively provided with a heat source medium channel communicated with the outside, the expansion speed increaser (14) is connected with the dual-energy compressor (13) and transmits power, and the expander (3), the second expander (5) and the expansion speed increaser (14) are connected with the outside and output power, so that the single-working-medium combined cycle steam power device is formed.
22. The single working medium combined cycle steam power device mainly comprises an expander, a second expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor, an expansion speed increaser, a preheater and a second preheater; the condenser (10) is provided with a condensate pipeline which is communicated with the mixing evaporator (11) through a circulating pump (7) and a preheater (19), the expansion speed increaser (14) is provided with a steam channel which is communicated with the mixing evaporator (11) through a medium temperature evaporator (12), the mixing evaporator (11) is also provided with a steam channel which is respectively communicated with the dual-energy compressor (13) and the expander (3), the dual-energy compressor (13) is also provided with a steam channel which is communicated with the expansion speed increaser (14) through a high temperature heat exchanger (9), and the expander (3) is also provided with a steam channel which is communicated with the condenser (10); the condenser (10) is also provided with a condensate pipeline which is communicated with the medium-temperature evaporator (12) through a second circulating pump (8) and a second preheater (20), then the medium-temperature evaporator (12) is also provided with a steam channel which is communicated with the second expander (5), and the second expander (5) is also provided with a steam channel which is communicated with the condenser (10); the high-temperature heat exchanger (9) is also provided with a heat source medium channel communicated with the outside, the condenser (10) is also provided with a cooling medium channel communicated with the outside, the medium-temperature evaporator (12) and the mixed evaporator (11) are also respectively provided with a heat source medium channel communicated with the outside, the preheater (19) and the second preheater (20) are also respectively provided with a heat source medium channel communicated with the outside, the expansion speed increaser (14) is connected with the dual-energy compressor (13) and transmits power, and the expander (3), the second expander (5) and the expansion speed increaser (14) are connected with the outside and outputs power, so that the single-working-medium combined cycle steam power device is formed.
23. The single working medium combined cycle steam power device mainly comprises an expander, a circulating pump, a second circulating pump, a high-temperature heat exchanger, a condenser, a mixed evaporator, a medium-temperature evaporator, a dual-energy compressor, an expansion speed increaser, a preheater and a second preheater; the condenser (10) is provided with a condensate pipeline which is communicated with the mixing evaporator (11) through a circulating pump (7) and a preheater (19), the expansion speed increaser (14) is provided with a steam channel which is communicated with the mixing evaporator (11) through a medium temperature evaporator (12), the mixing evaporator (11) is also provided with a steam channel which is communicated with the dual-energy compressor (13), the mixing evaporator (11) is also provided with a middle steam inlet channel which is communicated with the expansion machine (3), and the dual-energy compressor (13) is also provided with a steam channel which is communicated with the expansion speed increaser (14) through a high temperature heat exchanger (9); the condenser (10) is also provided with a condensate pipeline which is communicated with the medium-temperature evaporator (12) through a second circulating pump (8) and a second preheater (20), then the medium-temperature evaporator (12) is also provided with a steam channel which is communicated with the expander (3), and the expander (3) is also provided with a steam channel which is communicated with the condenser (10); the high-temperature heat exchanger (9) is also provided with a heat source medium channel communicated with the outside, the condenser (10) is also provided with a cooling medium channel communicated with the outside, the medium-temperature evaporator (12) and the mixed evaporator (11) are also respectively provided with a heat source medium channel communicated with the outside, the preheater (19) and the second preheater (20) are also respectively provided with a heat source medium channel communicated with the outside, the expansion speed increaser (14) is connected with the dual-energy compressor (13) and transmits power, and the expansion speed increaser (14) and the expander (3) are connected with the outside and output power, so that the single-working-medium combined cycle steam power device is formed.
24. A single working medium combined cycle steam power device is characterized in that any one of the single working medium combined cycle steam power devices in claims 2-22 is additionally provided with an intermediate reheater, a medium temperature evaporator (12) is communicated with a second expander (5) through a steam channel, the second expander (5) is communicated with a condenser (10) through a steam channel, the medium temperature evaporator (12) is adjusted to be communicated with the second expander (5) through a steam channel, the second expander (5) and an intermediate reheated steam channel are communicated with the second expander (5) through an intermediate reheater (21), the second expander (5) and a steam channel are communicated with the condenser (10), and the intermediate reheater (21) and a heat source medium channel are communicated with the outside to form the single working medium combined cycle steam power device.
25. A single working medium combined cycle steam power device is characterized in that in any single working medium combined cycle steam power device in claims 2-22, a second expansion machine (5) is communicated with a condenser (10) through a steam channel, and the second expansion machine (5) is communicated with an expansion machine (3) through the steam channel, so that the single working medium combined cycle steam power device is formed.
26. A single working medium combined cycle steam power device is characterized in that in any single working medium combined cycle steam power device of claims 20-22, a second condenser is added, a second expansion machine (5) is communicated with the condenser (10) through a steam channel, the second expansion machine (5) is communicated with the second condenser (22) through a steam channel, the condenser (10) is communicated with a medium temperature evaporator (12) through a second circulating pump (8) and a second preheater (20), the second condenser (22) is communicated with the medium temperature evaporator (12) through a condensate pipeline, the second circulating pump (8) and the second preheater (20) are communicated, and the second condenser (22) is also communicated with the outside through a cooling medium channel to form the single working medium combined cycle steam power device.
27. A single working medium combined cycle steam power device is characterized in that in any single working medium combined cycle steam power device of claims 20-22, a condenser (10) is provided with a condensate pipeline which is communicated with a mixed evaporator (11) through a circulating pump (7) and a preheater (19), the condenser (10) is provided with a condensate pipeline which is communicated with a medium temperature evaporator (12) through a second circulating pump (8) and a second preheater (20), the condenser (10) is adjusted to be provided with a condensate pipeline which is divided into two paths after passing through the circulating pump (7) and the preheater (19), wherein the first path is directly communicated with the mixed evaporator (11), and the second path is communicated with the medium temperature evaporator (12) through the second circulating pump (8) and the second preheater (20), so that the single working medium combined cycle steam power device is formed.
28. A single working medium combined cycle steam power device is characterized in that a new expansion machine, a new circulating pump and a new intermediate temperature evaporator are added in any single working medium combined cycle steam power device of claims 2-25, a condensate pipeline is additionally arranged on a condenser (10) and is communicated with the new intermediate temperature evaporator (C) through the new circulating pump (B), then a steam channel of the new intermediate temperature evaporator (C) is communicated with the new expansion machine (A), the new expansion machine (A) is also communicated with the condenser (10) through a steam channel, the expansion speed increaser (14) is communicated with a mixed evaporator (11) through the intermediate temperature evaporator (12) and is adjusted to be that the expansion speed increaser (14) is provided with a steam channel which is communicated with the mixed evaporator (11) through the new intermediate temperature evaporator (C) and the intermediate temperature evaporator (12), and the new intermediate temperature evaporator (C) or a heat source medium channel is communicated with the outside, the new expansion machine (A) is connected with the outside and outputs power to form a single working medium combined cycle steam power device.
29. A single working medium combined cycle steam power device is characterized in that a new expansion machine, a new circulating pump, a new intermediate temperature evaporator and a new preheater are added in any one of the single working medium combined cycle steam power devices of claims 2 to 25, a condensate pipeline is additionally arranged on a condenser (10) and is communicated with the new intermediate temperature evaporator (C) through the new circulating pump (B) and the new preheater (D), then the new intermediate temperature evaporator (C) is communicated with the new expansion machine (A) through a steam channel, the new expansion machine (A) is also communicated with the condenser (10), the expansion speed increasing machine (14) is provided with a steam channel which is communicated with the mixed evaporator (11) through the intermediate temperature evaporator (12) and is adjusted to be that the expansion speed increasing machine (14) is provided with a steam channel which is communicated with the mixed evaporator (11) through the new intermediate temperature evaporator (C) and the intermediate temperature evaporator (12), and the new preheater (D) is also provided with a heat source medium channel which is communicated with the outside, the newly added medium temperature evaporator (C) or a heat source medium channel is communicated with the outside, and the newly added expansion machine (A) is connected with the outside and outputs power to form a single-working-medium combined cycle steam power device.
30. A single working medium combined cycle steam power device is characterized in that a newly-added compressor and a newly-added high-temperature heat exchanger are added in any single working medium combined cycle steam power device of claims 2-29, a steam channel of a dual-energy compressor (13) is communicated with an expansion speed increaser (14) through the high-temperature heat exchanger (9) and adjusted to be that the dual-energy compressor (13) is communicated with a newly-added compressor (E) through the high-temperature heat exchanger (9) and is further communicated with the expansion speed increaser (14) through a steam channel of the newly-added compressor (E), the newly-added compressor (E) is further communicated with the expansion speed increaser (14), the newly-added high-temperature heat exchanger (F) is further communicated with the outside through a heat source medium channel, and the expansion speed increaser (14) is connected with the newly-added compressor (E).
31. A single working medium combined cycle steam power device is characterized in that any one of the single working medium combined cycle steam power devices of claims 2-29 is additionally provided with a newly-added dual-energy compressor and a newly-added high-temperature heat exchanger, a steam channel of the dual-energy compressor (13) is communicated with an expansion speed increaser (14) through the high-temperature heat exchanger (9) and adjusted to be that the dual-energy compressor (13) is communicated with the newly-added dual-energy compressor (G) through the high-temperature heat exchanger (9), the newly-added dual-energy compressor (G) is communicated with the expansion speed increaser (14) through the steam channel of the newly-added high-temperature heat exchanger (F), the newly-added high-temperature heat exchanger (F) is communicated with the outside through a heat source medium channel, and the expansion speed increaser (14) is connected with the newly-added dual-energy compressor (G) and transmits power.
32. A single working medium combined cycle steam power device is characterized in that any one of the single working medium combined cycle steam power devices of claims 2-29 is additionally provided with a newly-added diffuser pipe and a newly-added high-temperature heat exchanger, a steam channel of a dual-energy compressor (13) is communicated with an expansion speed increaser (14) through the high-temperature heat exchanger (9) and adjusted to be communicated with a newly-added diffuser pipe (H) through the high-temperature heat exchanger (9), a steam channel of the newly-added diffuser pipe (H) is communicated with the expansion speed increaser (14) through the newly-added high-temperature heat exchanger (F), and a heat source medium channel of the newly-added high-temperature heat exchanger (F) is communicated with the outside to form the single working medium combined cycle steam power device.
33. A single working medium combined cycle steam power device is characterized in that a new expansion machine and a new high temperature heat exchanger are added in any single working medium combined cycle steam power device of claims 2-27, a steam channel of a dual-energy compressor (13) is communicated with an expansion speed increaser (14) through a high temperature heat exchanger (9) and adjusted to be that the steam channel of the dual-energy compressor (13) is communicated with a new expansion machine (A) through the high temperature heat exchanger (9), the steam channel of the new expansion machine (A) is communicated with the expansion speed increaser (14) through the new high temperature heat exchanger (F), the heat source medium channel of the new expansion machine (F) is communicated with the outside, and the new expansion machine (A) is connected with the outside and outputs power to form the single working medium combined cycle steam power device.
34. A single working medium combined cycle steam power device is characterized in that any one of the single working medium combined cycle steam power devices of claims 28-29 is additionally provided with a newly-added second expander and a newly-added high-temperature heat exchanger, a steam channel of a dual-energy compressor (13) is communicated with an expansion speed increaser (14) through the high-temperature heat exchanger (9) and is adjusted to be communicated with the newly-added second expander through the high-temperature heat exchanger (9), the steam channel of the newly-added second expander is communicated with the expansion speed increaser (14) through the newly-added high-temperature heat exchanger (F), the newly-added high-temperature heat exchanger (F) is also communicated with the outside through a heat source medium channel, and the newly-added second expander is connected with the outside and outputs power to form the single working medium combined cycle steam power device.
35. A single working medium combined cycle steam power device is characterized in that any one of the single working medium combined cycle steam power devices described in claims 2-29 is additionally provided with a newly-added expansion speed increaser and a newly-added high-temperature heat exchanger, a steam channel of a double-energy compressor (13) is communicated with the expansion speed increaser (14) through the high-temperature heat exchanger (9) and is adjusted to be communicated with the newly-added expansion speed increaser (I) through the high-temperature heat exchanger (9), a steam channel of the newly-added expansion speed increaser (I) is communicated with the expansion speed increaser (14) through the newly-added high-temperature heat exchanger (F), a heat source medium channel of the newly-added expansion speed increaser (I) is communicated with the outside, and the newly-added expansion speed increaser (I) is connected with the outside and outputs power to form the single working medium combined cycle.
36. A single working medium combined cycle steam power device is characterized in that any one of the single working medium combined cycle steam power devices of claims 2-29 is additionally provided with a newly-added spray pipe and a newly-added high-temperature heat exchanger, a dual-energy compressor (13) is communicated with an expansion speed increaser (14) through a high-temperature heat exchanger (9) and adjusted to be that the dual-energy compressor (13) is provided with a steam channel which is communicated with the newly-added spray pipe through the high-temperature heat exchanger (9), the newly-added spray pipe is further provided with a steam channel which is communicated with the expansion speed increaser (14) through the newly-added high-temperature heat exchanger (F), and the newly-added high-temperature heat exchanger (F) is further provided with a heat source medium channel which.
37. A single working medium combined cycle steam power device is characterized in that a high-temperature heat regenerator is added in any single working medium combined cycle steam power device of claims 2-27, a steam channel of a dual-energy compressor (13) is communicated with an expansion speed increaser (14) through a high-temperature heat exchanger (9) and adjusted to be communicated with the expansion speed increaser (14) through a high-temperature heat regenerator (23) and the high-temperature heat exchanger (9), a steam channel of the expansion speed increaser (14) is communicated with a mixed evaporator (11) through a medium-temperature evaporator (12) and adjusted to be communicated with the mixed evaporator (11) through a steam channel of the expansion speed increaser (14) through the high-temperature heat regenerator (23) and the medium-temperature evaporator (12), and the single working medium combined cycle steam power device is formed.
38. A single working medium combined cycle steam power device is characterized in that a high temperature heat regenerator, a newly-added compressor and a newly-added high temperature heat exchanger are added in any single working medium combined cycle steam power device of claims 2 to 27, a steam channel of a dual-energy compressor (13) is communicated with an expansion speed increaser (14) through a high temperature heat exchanger (9) and adjusted to be that the dual-energy compressor (13) is communicated with a newly-added compressor (E) through a high temperature heat regenerator (23) and the high temperature heat exchanger (9), a steam channel of the newly-added compressor (E) is communicated with the expansion speed increaser (14) through a newly-added high temperature heat exchanger (F), a steam channel of the expansion speed increaser (14) is communicated with a mixed evaporator (11) through a medium temperature evaporator (12) and adjusted to be that the expansion speed increaser (14) is communicated with the mixed evaporator (11) through the high temperature heat regenerator (23) and the medium temperature evaporator (12), the newly-increased high-temperature heat exchanger (F) is also provided with a heat source medium channel communicated with the outside, and the expansion speed increaser (14) is connected with the newly-increased compressor (E) and transmits power to form a single-working-medium combined cycle steam power device.
39. A single working medium combined cycle steam power device is characterized in that in any single working medium combined cycle steam power device of claims 2-27, a high temperature heat regenerator, a newly-increased dual-energy compressor and a newly-increased high temperature heat exchanger are added, a steam channel of the dual-energy compressor (13) is communicated with an expansion speed increaser (14) through a high temperature heat exchanger (9) and adjusted to be that the dual-energy compressor (13) is communicated with a newly-increased dual-energy compressor (G) through the high temperature heat regenerator (23) and the high temperature heat exchanger (9), the newly-increased dual-energy compressor (G) is further communicated with the expansion speed increaser (14) through a newly-increased high temperature heat exchanger (F), a steam channel of the expansion speed increaser (14) is communicated with a mixed evaporator (11) through a medium temperature evaporator (12) and adjusted to be that the expansion speed increaser (14) is provided with the mixed evaporator (11) through the high temperature heat regenerator (23) and the medium temperature evaporator (12), the newly-increased high-temperature heat exchanger (F) is also provided with a heat source medium channel communicated with the outside, and the expansion speed increaser (14) is connected with the newly-increased double-energy compressor (G) and transmits power to form a single-working-medium combined cycle steam power device.
40. A single working medium combined cycle steam power device is characterized in that a high-temperature heat regenerator, a new pressure-increasing pipe and a new high-temperature heat exchanger are added in any single working medium combined cycle steam power device of claims 2 to 27, a steam channel of a dual-energy compressor (13) is communicated with an expansion speed increaser (14) through a high-temperature heat exchanger (9) and adjusted to be that the dual-energy compressor (13) is communicated with a new pressure-increasing pipe (H) through a high-temperature heat regenerator (23) and the high-temperature heat exchanger (9), the new pressure-increasing pipe (H) is further communicated with the expansion speed increaser (14) through a new high-temperature heat exchanger (F), the expansion speed increaser (14) is provided with a steam channel which is communicated with a mixed evaporator (11) through a medium-temperature evaporator (12) and adjusted to be that the expansion speed increaser (14) is provided with a steam channel which is communicated with the mixed evaporator (11) through the high-temperature heat regenerator (23) and the medium, the newly-added high-temperature heat exchanger (F) is also provided with a heat source medium channel communicated with the outside to form a single working medium combined cycle steam power device.
41. A single working medium combined cycle steam power device is characterized in that a high temperature heat regenerator, a new expansion machine and a new increased high temperature heat exchanger are added in any single working medium combined cycle steam power device of claims 2 to 27, a steam channel of a dual energy compressor (13) is communicated with an expansion speed increaser (14) through a high temperature heat exchanger (9) and adjusted to be that the dual energy compressor (13) is communicated with a new expansion machine (A) through a high temperature heat regenerator (23) and the high temperature heat exchanger (9), the new expansion machine (A) is further communicated with the expansion speed increaser (14) through a new increased high temperature heat exchanger (F), the expansion speed increaser (14) is provided with a steam channel which is communicated with a mixed evaporator (11) through a medium temperature evaporator (12) and adjusted to be that the expansion speed increaser (14) is provided with a steam channel which is communicated with the mixed evaporator (11) through the high temperature heat regenerator (23) and the medium temperature evaporator (12), the newly-increased high-temperature heat exchanger (F) is also provided with a heat source medium channel communicated with the outside, and the newly-increased expansion machine (A) is connected with the outside and outputs power to form a single-working-medium combined-cycle steam power device.
42. A single working medium combined cycle steam power device is characterized in that in any single working medium combined cycle steam power device of claims 2-27, a high temperature heat regenerator, a newly added expansion speed increaser and a newly added high temperature heat exchanger are added, a steam channel of a dual energy compressor (13) is communicated with the expansion speed increaser (14) through the high temperature heat exchanger (9) and adjusted to be that the dual energy compressor (13) is communicated with the newly added expansion speed increaser (I) through the high temperature heat regenerator (23) and the high temperature heat exchanger (9), the newly added expansion speed increaser (I) is further communicated with the expansion speed increaser (14) through a newly added high temperature heat exchanger (F), the expansion speed increaser (14) is provided with a steam channel which is communicated with a mixing evaporator (11) through a medium temperature evaporator (12), adjusted to be that the expansion speed increaser (14) is provided with a steam channel which is communicated with the mixing evaporator (11) through the high temperature heat regenerator (23) and the medium temperature evaporator (12), the newly-added high-temperature heat exchanger (F) is also provided with a heat source medium channel communicated with the outside, and the newly-added expansion speed increaser (I) is connected with the outside and outputs power to form a single-working-medium combined cycle steam power device.
43. A single working medium combined cycle steam power device is characterized in that a high temperature heat regenerator, a newly-added spray pipe and a newly-added high temperature heat exchanger are added in any single working medium combined cycle steam power device of claims 2 to 27, a steam channel of a dual-energy compressor (13) is communicated with an expansion speed increaser (14) through a high temperature heat exchanger (9) and is adjusted to be that the dual-energy compressor (13) is communicated with a newly-added spray pipe through a high temperature heat regenerator (23) and the high temperature heat exchanger (9), a steam channel of the newly-added spray pipe is communicated with the expansion speed increaser (14) through the newly-added high temperature heat exchanger (F), a steam channel of the expansion speed increaser (14) is communicated with a mixed evaporator (11) through a medium temperature evaporator (12) and is adjusted to be that the expansion speed increaser (14) is communicated with the mixed evaporator (11) through the high temperature heat regenerator (23) and the medium temperature evaporator (12), the newly-added high-temperature heat exchanger (F) is also provided with a heat source medium channel communicated with the outside to form a single working medium combined cycle steam power device.
44. A single working medium combined cycle steam power device is characterized in that a high-temperature heat regenerator is added in any single working medium combined cycle steam power device of claims 28-29, a steam channel of a dual-energy compressor (13) is communicated with an expansion speed increaser (14) through a high-temperature heat exchanger (9) and adjusted to be communicated with the expansion speed increaser (14) through a high-temperature heat regenerator (23) and the high-temperature heat exchanger (9), a steam channel of the expansion speed increaser (14) is communicated with a mixed evaporator (11) through a newly-increased medium-temperature evaporator (C) and a medium-temperature evaporator (12), and adjusted to be communicated with the mixed evaporator (11) through a steam channel of the expansion speed increaser (14) through the high-temperature heat regenerator (23), the newly-increased medium-temperature evaporator (C) and the medium-temperature evaporator (12), so as to form the single working medium combined cycle steam power device.
45. A single working medium combined cycle steam power device is characterized in that in any one of the single working medium combined cycle steam power devices of claims 28-29, a high-temperature heat regenerator, a newly-added compressor and a newly-added high-temperature heat exchanger are added, a steam channel of a dual-energy compressor (13) is communicated with an expansion speed increaser (14) through a high-temperature heat exchanger (9) and adjusted to be communicated with a newly-added compressor (E) through the high-temperature heat regenerator (23) and the high-temperature heat exchanger (9), a steam channel of the newly-added compressor (E) is communicated with the expansion speed increaser (14) through a newly-added high-temperature heat exchanger (F), a steam channel of the expansion speed increaser (14) is communicated with a mixed evaporator (11) through a newly-added medium-temperature evaporator (C) and a medium-temperature evaporator (12) and adjusted to be communicated with the expansion speed increaser (14) through the high-temperature heat regenerator (23), The newly added intermediate temperature evaporator (C) and the intermediate temperature evaporator (12) are communicated with the mixed evaporator (11), the newly added high temperature heat exchanger (F) is also communicated with the outside through a heat source medium channel, and the expansion speed increaser (14) is connected with the newly added compressor (E) and transmits power to form a single-working-medium combined cycle steam power device.
46. A single working medium combined cycle steam power device is characterized in that in any one of the single working medium combined cycle steam power devices of claims 28-29, a high-temperature heat regenerator, a newly-added dual-energy compressor and a newly-added high-temperature heat exchanger are added, a steam channel of the dual-energy compressor (13) is communicated with an expansion speed increaser (14) through the high-temperature heat exchanger (9) and adjusted to be communicated with the newly-added dual-energy compressor (G) through the high-temperature heat exchanger (23) and the high-temperature heat exchanger (9), a steam channel of the newly-added dual-energy compressor (G) is communicated with the expansion speed increaser (14) through the newly-added high-temperature heat exchanger (F), a steam channel of the expansion speed increaser (14) is communicated with a mixing evaporator (11) through a newly-added medium-temperature evaporator (C) and a medium-temperature evaporator (12) and adjusted to be communicated with the expansion speed increaser (14) through the high-temperature heat regenerator (, The newly added intermediate temperature evaporator (C) and the intermediate temperature evaporator (12) are communicated with the mixed evaporator (11), the newly added high temperature heat exchanger (F) is also communicated with the outside through a heat source medium channel, and the expansion speed increaser (14) is connected with the newly added dual-energy compressor (G) and transmits power to form a single-working-medium combined cycle steam power device.
47. A single working medium combined cycle steam power device is characterized in that a high-temperature heat regenerator, a newly-increased diffuser pipe and a newly-increased high-temperature heat exchanger are added in any single working medium combined cycle steam power device of claims 28-29, a steam channel of a dual-energy compressor (13) is communicated with an expansion speed increaser (14) through a high-temperature heat exchanger (9) and adjusted to be that the dual-energy compressor (13) is communicated with a newly-increased diffuser pipe (H) through the high-temperature heat regenerator (23) and the high-temperature heat exchanger (9), the newly-increased diffuser pipe (H) is communicated with the expansion speed increaser (14) through a newly-increased high-temperature heat exchanger (F), a steam channel of the expansion speed increaser (14) is communicated with a mixed evaporator (11) through a newly-increased medium-temperature evaporator (C) and a medium-temperature evaporator (12) and adjusted to be that the expansion speed increaser (14) is provided with a steam channel through the high-, The newly added medium temperature evaporator (C) and the medium temperature evaporator (12) are communicated with the mixed evaporator (11), and the newly added high temperature heat exchanger (F) is also communicated with the outside through a heat source medium channel to form a single working medium combined cycle steam power device.
48. A single working medium combined cycle steam power plant is characterized in that in any one of the single working medium combined cycle steam power plants of claims 28-29, a high temperature heat regenerator, a newly added second expander and a newly added high temperature heat exchanger are added, a steam channel of a dual energy compressor (13) is communicated with an expansion speed increaser (14) through a high temperature heat exchanger (9) and adjusted to be that the dual energy compressor (13) is communicated with the newly added second expander through a high temperature heat regenerator (23) and a high temperature heat exchanger (9), the newly added second expander is communicated with the expansion speed increaser (14) through a newly added high temperature heat exchanger (F), the expansion speed increaser (14) is communicated with a mixed evaporator (11) through a newly added middle temperature evaporator (C) and a middle temperature evaporator (12) and adjusted to be that the expansion speed increaser (14) is provided with a steam channel through a high temperature heat regenerator (23), The newly added medium temperature evaporator (C) and the medium temperature evaporator (12) are communicated with the mixed evaporator (11), the newly added high temperature heat exchanger (F) is also communicated with the outside through a heat source medium channel, and the newly added second expander is connected with the outside and outputs power to form a single-working-medium combined cycle steam power device.
49. A single working medium combined cycle steam power device is characterized in that in any one of the single working medium combined cycle steam power devices of claims 28-29, a high-temperature heat regenerator, a newly-added expansion speed increaser and a newly-added high-temperature heat exchanger are added, a steam channel of a dual-energy compressor (13) is communicated with the expansion speed increaser (14) through the high-temperature heat exchanger (9) and adjusted to be communicated with the newly-added expansion speed increaser (I) through the high-temperature heat regenerator (23) and the high-temperature heat exchanger (9), a steam channel of the newly-added expansion speed increaser (I) is communicated with the expansion speed increaser (14) through the newly-added high-temperature heat exchanger (F), a steam channel of the expansion speed increaser (14) is communicated with a mixing evaporator (11) through a newly-added intermediate-temperature evaporator (C) and an intermediate-temperature evaporator (12) and adjusted to be communicated with the expansion speed increaser (14) through the high-temperature heat regenerator, The newly added medium temperature evaporator (C) and the medium temperature evaporator (12) are communicated with the mixed evaporator (11), the newly added high temperature heat exchanger (F) is also communicated with the outside through a heat source medium channel, and the newly added expansion speed increaser (I) is connected with the outside and outputs power to form a single-working-medium combined cycle steam power device.
50. A single working medium combined cycle steam power device is characterized in that in any one of the single working medium combined cycle steam power devices of claims 28-29, a high temperature heat regenerator, a newly-added spray pipe and a newly-added high temperature heat exchanger are added, a steam channel of a dual-energy compressor (13) is communicated with an expansion speed increaser (14) through a high temperature heat exchanger (9) and is adjusted to be communicated with a newly-added spray pipe through a high temperature heat regenerator (23) and the high temperature heat exchanger (9), a steam channel of the newly-added spray pipe is communicated with the expansion speed increaser (14) through a newly-added high temperature heat exchanger (F), a steam channel of the expansion speed increaser (14) is communicated with a hybrid evaporator (11) through a newly-added intermediate temperature evaporator (C) and an intermediate temperature evaporator (12) and is adjusted to be communicated with the hybrid evaporator (11) through a steam channel of the expansion speed increaser (14) through the high temperature heat regenerator (23), the newly-added intermediate temperature evaporator (C) and the intermediate temperature evaporator, the newly-added high-temperature heat exchanger (F) is also provided with a heat source medium channel communicated with the outside to form a single working medium combined cycle steam power device.
CN201911010657.5A 2018-11-01 2019-10-19 Single working medium combined cycle steam power device Pending CN110700904A (en)

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