CN110985148A - Combined cycle power plant - Google Patents

Combined cycle power plant Download PDF

Info

Publication number
CN110985148A
CN110985148A CN201911146403.6A CN201911146403A CN110985148A CN 110985148 A CN110985148 A CN 110985148A CN 201911146403 A CN201911146403 A CN 201911146403A CN 110985148 A CN110985148 A CN 110985148A
Authority
CN
China
Prior art keywords
communicated
heat exchanger
temperature heat
combined cycle
speed increaser
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911146403.6A
Other languages
Chinese (zh)
Inventor
李鸿瑞
李华玉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CN110985148A publication Critical patent/CN110985148A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
    • F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
    • F01K23/06—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
    • F01K23/10—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle with exhaust fluid of one cycle heating the fluid in another cycle
    • 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
    • F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
    • F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
    • F01K23/06—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
    • F01K23/065—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle the combustion taking place in an internal combustion piston engine, e.g. a diesel engine
    • 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
    • F01K3/00—Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein
    • F01K3/18—Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein having heaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
    • F02G5/00—Profiting from waste heat of combustion engines, not otherwise provided for
    • F02G5/02—Profiting from waste heat of exhaust gases
    • 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]
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

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

Abstract

The invention provides a combined cycle 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 evaporator through a circulating pump, the evaporator is also 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 pressure-expanding pipe is provided with a circulating medium channel which is communicated with an expansion speed increaser through a high-temperature heat exchanger, and the expansion speed increaser is provided with a circulating medium channel which is communicated with the pressure-expanding pipe through an evaporator; the external part of the expansion machine is provided with an air channel communicated with the internal combustion engine, the external part of the expansion machine is also provided with a fuel channel communicated with the internal combustion engine, the internal combustion engine is also provided with a fuel gas channel communicated with the external part through a high-temperature heat exchanger, the internal combustion engine is also provided with a cooling medium channel communicated with the external part, the condenser is also provided with a cooling medium channel communicated with the external part, the evaporator is also provided with a heat medium channel communicated with the external part, and the expansion machine, the internal combustion engine and the expansion speed.

Description

Combined cycle power plant
The technical field is as follows:
the invention belongs to the technical field of energy and power.
Background art:
cold demand, heat demand and power demand are common in human life and production. In the field of power demand technology, the conversion of thermal energy into mechanical energy is an important way to obtain and provide power. In a direct-fired gas-steam combined cycle of high-quality fuel represented by gasoline, diesel oil, and natural gas, high efficiency of converting thermal energy into mechanical energy is the greatest advantage, but there are also problems of complicated apparatus, large manufacturing difficulty, and high manufacturing cost. In such combined cycle power plants, the expander, compressor, and heat exchanger are often essential basic and core components; the compressor and the expander are difficult to manufacture, high in material requirement and high in manufacturing cost, which is not beneficial to popularization and application of the combined cycle power device. Therefore, it is sought to replace them with simple components or to simplify the structure of the core components in order to reduce the manufacturing difficulty and cost of the combined cycle power plant.
The invention provides a combined cycle power device which adopts the combination of a diffuser pipe and an expansion speed increaser to respectively replace a main compressor and a main expander on the premise of keeping or effectively improving the heat efficiency of the combined cycle power device and aiming at reducing the manufacturing difficulty and the manufacturing cost of core components.
The invention content is as follows:
the invention mainly aims to provide a combined circulation power device combining a diffuser pipe and an expansion speed increaser to replace a corresponding main compressor and a corresponding main expander, and the specific contents are explained in sections as follows:
1. the combined cycle power device mainly comprises a diffuser pipe, an expander, a spray pipe, a second expander, a circulating pump, a high-temperature heat exchanger, a condenser, an evaporator and an internal combustion engine; the condenser is provided with a condensate pipeline which is communicated with the evaporator through a circulating pump, the evaporator is also 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 diffuser pipe is provided with a circulating medium channel which is communicated with an expander through a high-temperature heat exchanger, and the expander is provided with a circulating medium channel which is communicated with the diffuser pipe through a spray pipe and an evaporator; the external part of the engine is provided with an air channel communicated with the internal combustion engine, the external part of the engine is also provided with a fuel channel communicated with the internal combustion engine, the internal combustion engine is also provided with a fuel gas channel communicated with the external part through a high-temperature heat exchanger, the internal combustion engine is also provided with a cooling medium channel communicated with the external part, a condenser is also provided with a cooling medium channel communicated with the external part, an evaporator or a heat medium channel is also communicated with the external part, and the expander, the second expander and the internal combustion engine are connected with the external.
2. The combined cycle power device mainly comprises a diffuser pipe, an expander, a circulating pump, a high-temperature heat exchanger, a condenser, an evaporator, an internal combustion engine and an expansion speed increaser; the condenser is provided with a condensate pipeline which is communicated with the evaporator through a circulating pump, the evaporator is also 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 pressure-expanding pipe is provided with a circulating medium channel which is communicated with an expansion speed increaser through a high-temperature heat exchanger, and the expansion speed increaser is provided with a circulating medium channel which is communicated with the pressure-expanding pipe through an evaporator; the external part of the expansion machine is provided with an air channel communicated with the internal combustion engine, the external part of the expansion machine is also provided with a fuel channel communicated with the internal combustion engine, the internal combustion engine is also provided with a fuel gas channel communicated with the external part through a high-temperature heat exchanger, the internal combustion engine is also provided with a cooling medium channel communicated with the external part, the condenser is also provided with a cooling medium channel communicated with the external part, the evaporator or the heating medium channel is also communicated with the external part, and the expansion machine, the internal combustion engine and the expansion speed increaser.
3. The combined cycle power device mainly comprises a diffuser pipe, an expander, a circulating pump, a high-temperature heat exchanger, a condenser, an evaporator, an internal combustion engine, an expansion speed increaser and a compressor; the condenser is provided with a condensate pipeline which is communicated with the evaporator through a circulating pump, the evaporator is also 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 pressure-expanding pipe is provided with a circulating medium channel which is communicated with an expansion speed increaser through a high-temperature heat exchanger, and the expansion speed increaser is provided with a circulating medium channel which is communicated with the pressure-expanding pipe through an evaporator; the external part is provided with an air channel communicated with the internal combustion engine, the external part is also provided with a gaseous fuel channel communicated with the internal combustion engine through a compressor, the internal combustion engine is also provided with a fuel gas channel communicated with the external part through a high-temperature heat exchanger, the internal combustion engine is also provided with a cooling medium channel communicated with the external part, a condenser is also provided with a cooling medium channel communicated with the external part, an evaporator or a heat medium channel is also communicated with the external part, the internal combustion engine is connected with the compressor and transmits power, and an expander, the internal combustion engine and an expansion speed increaser are.
4. A combined cycle power plant, wherein a newly-added compressor and a newly-added high-temperature heat exchanger are added in any combined cycle power plant of items 2 to 3, a circulation medium channel arranged on a diffuser pipe is communicated with an expansion speed increaser through the high-temperature heat exchanger and adjusted to be communicated with the newly-added compressor through the high-temperature heat exchanger, a circulation medium channel arranged on the newly-added compressor is communicated with the expansion speed increaser through the newly-added high-temperature heat exchanger, a gas channel arranged on an internal combustion engine is communicated with the outside through the high-temperature heat exchanger and adjusted to be communicated with the gas channel arranged on the internal combustion engine through the newly-added high-temperature heat exchanger and the high-temperature heat exchanger, and the expansion speed increaser is connected with the newly-added compressor.
5. A combined cycle power plant, wherein a newly added dual-energy compressor and a newly added high-temperature heat exchanger are added in any combined cycle power plant of items 2 to 3, a circulating medium channel arranged on a diffuser pipe is communicated with an expansion speed increaser through the high-temperature heat exchanger and adjusted to be communicated with the newly added dual-energy compressor through the high-temperature heat exchanger, a circulating medium channel arranged on the newly added dual-energy compressor is communicated with the expansion speed increaser through the newly added high-temperature heat exchanger, a gas channel arranged on an internal combustion engine is communicated with the outside through the high-temperature heat exchanger and adjusted to be communicated with the outside through the gas channel arranged on the internal combustion engine through the newly added high-temperature heat exchanger and the high-temperature heat exchanger, and the expansion speed increaser is connected with the newly added dual.
6. A combined cycle power plant, wherein a newly added diffuser pipe and a newly added high temperature heat exchanger are added in any combined cycle power plant of items 2 to 3, the communication between a circulation medium channel arranged on the diffuser pipe and an expansion speed increaser through the high temperature heat exchanger is adjusted to be that the circulation medium channel arranged on the diffuser pipe is communicated with the newly added diffuser pipe through the high temperature heat exchanger, the circulation medium channel arranged on the newly added diffuser pipe is communicated with the expansion speed increaser through the newly added high temperature heat exchanger, and the communication between a gas channel arranged on an internal combustion engine and the outside is adjusted to be that the gas channel arranged on the internal combustion engine is communicated with the outside through the newly added high temperature heat exchanger and the high temperature heat exchanger, thereby forming.
7. A combined cycle power plant, wherein a new expansion machine and a new high temperature heat exchanger are added in any combined cycle power plant of items 2 to 3, a circulation medium channel arranged on a diffuser pipe is communicated with an expansion speed increaser through the high temperature heat exchanger and adjusted to be communicated with the expansion speed increaser through the high temperature heat exchanger, a circulation medium channel arranged on the diffuser pipe is communicated with the new expansion machine through the high temperature heat exchanger, a circulation medium channel arranged on the new expansion machine is communicated with the expansion speed increaser through the new high temperature heat exchanger, a fuel gas channel arranged on an internal combustion engine is communicated with the outside through the high temperature heat exchanger and adjusted to be communicated with the outside through the fuel gas channel arranged on the internal combustion engine, and the new expansion machine is connected with the outside and transmits power, thus.
8. A combined cycle power plant, wherein a newly added expansion speed increaser and a newly added high-temperature heat exchanger are added in any combined cycle power plant of items 2 to 3, a circulation medium channel arranged on a diffuser pipe is communicated with the expansion speed increaser through the high-temperature heat exchanger and adjusted to be communicated with the newly added expansion speed increaser through the high-temperature heat exchanger, a circulation medium channel arranged on the diffuser pipe is communicated with the expansion speed increaser through the newly added high-temperature heat exchanger, a gas channel arranged on an internal combustion engine is communicated with the outside through the high-temperature heat exchanger and adjusted to be communicated with the outside through the gas channel arranged on the internal combustion engine, and the newly added expansion speed increaser is connected with the outside and transmits power to form the combined cycle power plant.
9. A combined cycle power plant, wherein a spray pipe and a newly-increased high-temperature heat exchanger are added in any combined cycle power plant of items 2 to 3, a circulation medium channel arranged on a diffuser pipe is communicated with an expansion speed increaser through the high-temperature heat exchanger and is adjusted to be communicated with the expansion speed increaser through the circulation medium channel arranged on the diffuser pipe, the circulation medium channel arranged on the spray pipe is communicated with the spray pipe through the high-temperature heat exchanger, the circulation medium channel arranged on an internal combustion engine is communicated with the expansion speed increaser through the newly-increased high-temperature heat exchanger, and a gas channel arranged on the internal combustion engine is communicated with the outside through the high-temperature heat exchanger and the newly-.
10. A combined cycle power device is characterized in that a heat regenerator is added in any one of the combined cycle power devices in items 2-3, a circulation medium channel arranged on a diffuser pipe 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 heat regenerator and the high-temperature heat exchanger, a circulation medium channel arranged on the expansion speed increaser is communicated with the diffuser pipe through an evaporator and adjusted to be communicated with the expansion speed increaser through a circulation medium channel arranged on the expansion speed increaser, and the combined cycle power device is formed.
11. A combined cycle power plant, which is characterized in that in any one of the combined cycle power plants of items 2 to 3, a heat regenerator, a newly-increased compressor and a newly-increased high-temperature heat exchanger are added, a circulation medium channel arranged on a diffuser pipe is communicated with an expansion speed increaser through the high-temperature heat exchanger and adjusted to be communicated with the newly-increased compressor through the circulation medium channel arranged on the diffuser pipe, the heat regenerator and the high-temperature heat exchanger are communicated, a circulation medium channel arranged on the newly-increased compressor is communicated with the expansion speed increaser through the newly-increased high-temperature heat exchanger, a circulation medium channel arranged on the expansion speed increaser is communicated with the diffuser pipe through an evaporator and adjusted to be communicated with the expansion speed increaser through the heat regenerator and the evaporator, a gas channel arranged on an internal combustion engine is communicated with the outside through the high-temperature heat exchanger and adjusted to be communicated with the gas channel arranged on the internal combustion engine through, forming a combined cycle power plant.
12. A combined cycle power plant, which is characterized in that a heat regenerator, a newly-added dual-energy compressor and a newly-added high-temperature heat exchanger are added in any combined cycle power plant of items 2 to 3, a circulation medium channel of a diffuser pipe is communicated with an expansion speed increaser through the high-temperature heat exchanger and adjusted to be communicated with the newly-added dual-energy compressor through the heat regenerator and the high-temperature heat exchanger, a circulation medium channel of the newly-added dual-energy compressor is communicated with the expansion speed increaser through the newly-added high-temperature heat exchanger, a circulation medium channel of the expansion speed increaser is communicated with the diffuser pipe through an evaporator, a circulation medium channel of the expansion speed increaser is communicated with the diffuser pipe through the heat regenerator and the evaporator, a gas channel of an internal combustion engine is communicated with the outside through the high-temperature heat exchanger and adjusted to be communicated with the gas channel of the internal, the expansion speed increaser is connected with the newly-increased dual-energy compressor and transmits power to form a combined cycle power device.
13. A combined cycle power plant, in any of the combined cycle power plants described in items 2-3, a heat regenerator, a newly added diffuser pipe and a newly added high-temperature heat exchanger are added, a circulating medium channel arranged on the diffuser pipe is communicated with an expansion speed increaser through the high-temperature heat exchanger and adjusted to be communicated with the diffuser pipe through the circulating medium channel arranged on the diffuser pipe and the heat regenerator and the high-temperature heat exchanger, a circulating medium channel arranged on the newly added diffuser pipe is communicated with the expansion speed increaser through the newly added high-temperature heat exchanger, a circulating medium channel arranged on the expansion speed increaser is communicated with the diffuser pipe through an evaporator and adjusted to be communicated with the expansion speed increaser through the circulating medium channel arranged on the expansion speed increaser and the evaporator, a gas channel arranged on the internal combustion engine is communicated with the outside through the high-temperature heat exchanger and adjusted to be communicated with the gas channel arranged on the internal.
14. A combined cycle power plant, which is characterized in that a heat regenerator, a new expansion machine and a new high temperature heat exchanger are added in any combined cycle power plant of items 2 to 3, a circulation medium channel of a diffuser pipe is communicated with an expansion speed increaser through the high temperature heat exchanger and is adjusted to be communicated with the new expansion machine through the heat regenerator and the high temperature heat exchanger, a circulation medium channel of the new expansion machine is communicated with the expansion speed increaser through the new high temperature heat exchanger, a circulation medium channel of the expansion speed increaser is communicated with the expansion speed increaser through an evaporator and is adjusted to be communicated with the expansion speed increaser through the heat regenerator and the evaporator, a gas channel of an internal combustion engine is communicated with the outside through the high temperature heat exchanger and is adjusted to be communicated with the outside through the gas channel of the internal combustion engine through the new high temperature heat exchanger and the high temperature heat exchanger, and the new expansion machine is connected with the outside and transmits, forming a combined cycle power plant.
15. A combined cycle power plant, which is characterized in that in any one of the combined cycle power plants of items 2 to 3, a heat regenerator, a newly added expansion speed increaser and a newly added high temperature heat exchanger are added, a circulation medium channel arranged on a diffuser pipe is communicated with the expansion speed increaser through the high temperature heat exchanger and is adjusted to be communicated with the newly added expansion speed increaser through the heat regenerator and the high temperature heat exchanger, the circulation medium channel arranged on the newly added expansion speed increaser is communicated with the expansion speed increaser through the newly added high temperature heat exchanger, the circulation medium channel arranged on the expansion speed increaser is communicated with the diffuser pipe through an evaporator, the circulation medium channel arranged on the expansion speed increaser is adjusted to be communicated with the diffuser pipe through the heat regenerator and the evaporator, a gas channel arranged on an internal combustion engine is communicated with the outside through the high temperature heat exchanger and is adjusted to be communicated with the outside, the newly added expansion speed increaser is connected with the outside and transmits power to form a combined cycle power device.
16. A combined cycle power plant, which is characterized in that a heat regenerator, a spray pipe and a newly-increased high-temperature heat exchanger are added in any combined cycle power plant of items 2 to 3, a circulation medium channel arranged on a diffuser pipe is communicated with an expansion speed increaser through the high-temperature heat exchanger and is adjusted to be communicated with the expansion speed increaser through the heat regenerator and the high-temperature heat exchanger, a circulation medium channel arranged on the diffuser pipe is communicated with the spray pipe through the newly-increased high-temperature heat exchanger, a circulation medium channel arranged on the expansion speed increaser is communicated with the expansion speed increaser through an evaporator, is adjusted to be communicated with the diffuser pipe through the circulation medium channel arranged on the expansion speed increaser, and is adjusted to be communicated with the outside through the high-temperature heat exchanger and the newly-increased high-temperature heat exchanger, so as to form the combined cycle power plant.
17. A combined cycle power device is characterized in that a mixed heat regenerator and a second circulating pump are added in any combined cycle power device in items 2 to 16, a condenser with a condensate pipeline communicated with an evaporator through the circulating pump is adjusted to be a condenser with a condensate pipeline communicated with the mixed heat regenerator through the circulating pump, an expander is additionally provided with a steam extraction channel communicated with the mixed heat regenerator, the mixed heat regenerator is further communicated with the evaporator through the condensate pipeline through the second circulating pump, and the combined cycle power device is formed.
18. A combined cycle power plant, wherein a preheater is added in any one of the combined cycle power plants described in items 2-16, a condensate pipeline of a condenser is communicated with an evaporator through a circulating pump, and is adjusted to be communicated with the evaporator through the circulating pump and the preheater, and the preheater is also communicated with the outside through a heat medium channel, so as to form the combined cycle power plant.
19. A combined cycle power plant, wherein an intermediate reheater is added to any one of the combined cycle power plants described in items 2 to 16, and the evaporator having a steam passage communicating with an expander and the expander having a steam passage communicating with a condenser are adjusted such that the evaporator having a steam passage communicating with the expander, the expander having an intermediate reheated steam passage communicating with the expander via the intermediate reheater and the expander having a steam passage communicating with the condenser, and the intermediate reheater and a heat medium passage communicating with the outside, thereby forming the combined cycle power plant.
20. A combined cycle power plant, in any of the combined cycle power plants described in items 2-19, a cooling medium channel communicated with the outside of an internal combustion engine is cancelled, a newly added circulating pump is added, a condensate pipeline is additionally arranged on a condenser, the condensate pipeline is communicated with the internal combustion engine through the newly added circulating pump, and then a steam channel of the internal combustion engine is communicated with an expander to form the combined cycle power plant.
21. A combined cycle power plant, in any of the combined cycle power plants described in items 2-19, a cooling medium channel communicated with the outside of the internal combustion engine is cancelled, a newly added circulating pump and a newly added superheater are added, a condensate pipeline additionally arranged on a condenser is communicated with the internal combustion engine through the newly added circulating pump, then a steam channel of the internal combustion engine is communicated with an expander through the newly added superheater, and a heat medium channel of the newly added superheater is communicated with the outside, so that the combined cycle power plant is formed.
Description of the drawings:
FIG. 1 is a schematic 1 st thermodynamic system diagram of a combined cycle power plant according to the present invention.
FIG. 2 is a schematic thermodynamic system diagram of the 2 nd principle of a combined cycle power plant provided in accordance with the present invention.
FIG. 3 is a schematic thermodynamic system diagram of the 3 rd principle of a combined cycle power plant provided in accordance with the present invention.
FIG. 4 is a diagram of a 4 th principal thermodynamic system of a combined cycle power plant provided in accordance with the present invention.
FIG. 5 is a diagram of a 5 th principal thermodynamic system of a combined cycle power plant provided in accordance with the present invention.
FIG. 6 is a 6 th principal thermodynamic system diagram of a combined cycle power plant provided in accordance with the present invention.
FIG. 7 is a 7 th principle thermodynamic system diagram of a combined cycle power plant provided in accordance with the present invention.
FIG. 8 is a diagram of an 8 th principle thermodynamic system of a combined cycle power plant provided in accordance with the present invention.
FIG. 9 is a diagram of a 9 th principal thermodynamic system of a combined cycle power plant provided in accordance with the present invention.
FIG. 10 is a 10 th principal thermodynamic system diagram of a combined cycle power plant provided in accordance with the present invention.
FIG. 11 is a diagram of a principal 11 thermodynamic system of a combined cycle power plant provided in accordance with the present invention.
FIG. 12 is a 12 th principle thermodynamic system diagram of a combined cycle power plant provided in accordance with the present invention.
FIG. 13 is a 13 th principal thermodynamic system diagram of a combined cycle power plant provided in accordance with the present invention.
FIG. 14 is a 14 th principle thermodynamic system diagram of a combined cycle power plant provided in accordance with the present invention.
FIG. 15 is a diagram of a 15 th principal thermodynamic system of a combined cycle power plant provided in accordance with the present invention and considering the recovery of the cooling load of an internal combustion engine.
In the figure, 1-diffuser pipe, 2-expander, 3-spray pipe, 4-second expander, 5-circulating pump, 6-high temperature heat exchanger, 7-condenser, 8-evaporator, 9-internal combustion engine, 10-expansion speed increaser, 11-compressor, 12-heat regenerator, 13-mixed heat regenerator, 14-second circulating pump, 15-preheater, 16-intermediate reheater; a, a newly-added compressor, B, a newly-added high-temperature heat exchanger, C, a newly-added dual-energy compressor, D, a newly-added diffuser pipe, E, a newly-added expansion machine, F, a newly-added expansion speed-increasing machine, G, a newly-added circulating pump and H, and a newly-added superheater.
In order to clearly understand the content and essence of the present invention, the following description is made for the dual energy compressor and the expansion speed increasing machine:
(1) 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.
(2) The dual-energy compressor, a device for increasing the pressure of fluid by using the external mechanical energy and the kinetic energy of the fluid, is a combination of the compressor and a diffuser pipe or other devices with the same function.
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 combined cycle power plant shown in fig. 1 is implemented as follows:
(1) structurally, the heat exchanger mainly comprises a diffuser pipe, an expander, a spray pipe, a second expander, a circulating pump, a high-temperature heat exchanger, a condenser, an evaporator and an internal combustion engine; the condenser 7 is provided with a condensate liquid pipeline which is communicated with the evaporator 8 through the circulating pump 5, the evaporator 8 is also provided with a steam channel which is communicated with the second expander 4, and the second expander 4 is also provided with a steam channel which is communicated with the condenser 7; the diffuser pipe 1 is provided with a circulating medium channel which is communicated with the expander 2 through the high-temperature heat exchanger 6, and the expander 2 is provided with a circulating medium channel which is communicated with the diffuser pipe 1 through the spray pipe 3 and the evaporator 8; an air channel is arranged outside and communicated with an internal combustion engine 9, a fuel channel is arranged outside and communicated with the internal combustion engine 9, the internal combustion engine 9 and a fuel gas channel are communicated with the outside through a high-temperature heat exchanger 6, the internal combustion engine 9 and a cooling medium channel are communicated with the outside, a condenser 7 and a cooling medium channel are communicated with the outside, an evaporator 8 and a heat medium channel are communicated with the outside, and the expander 2, the second expander 4 and the internal combustion engine 9 are connected with the outside and output power.
(2) In the process, the condensate of the condenser 7 is boosted by the circulating pump 5 and enters the evaporator 8, the condensate is vaporized after absorbing the heat load provided by the circulating medium and the heat medium, the saturated or superheated steam released by the evaporator 8 enters the second expander 4 for decompression and work, and then enters the condenser 7 for releasing heat to the cooling medium and condensing; the circulating medium discharged by the diffuser pipe 1 flows through the high-temperature heat exchanger 6 and absorbs heat, flows through the expander 2 and performs pressure reduction and work, flows through the spray pipe 3 and performs pressure reduction and speed increase, flows through the evaporator 8 and performs heat release and temperature reduction, and then enters the diffuser pipe 1 to perform pressure increase, temperature increase and speed reduction; external fuel and air enter the internal combustion engine 9, a series of processes including combustion and expansion are completed in a cylinder of the internal combustion engine 9, fuel gas discharged by the internal combustion engine 9 flows through the high-temperature heat exchanger 6 and releases heat, and external cooling medium flows through the internal combustion engine 9 and is discharged outside after absorbing heat; the fuel provides driving heat load through combustion, the heat medium, namely fuel gas after flowing through the high-temperature heat exchanger 6, other heat sources or heat source media capable of providing heat load, provides driving heat load through the evaporator 8, the cooling medium takes away low-temperature heat load through the condenser 7, and the expander 2, the second expander 4 and the internal combustion engine 9 jointly provide power to the outside to form a combined cycle power device.
The combined cycle power plant shown in fig. 2 is implemented as follows:
(1) structurally, the expansion device mainly comprises a diffuser pipe, an expander, a circulating pump, a high-temperature heat exchanger, a condenser, an evaporator, an internal combustion engine and an expansion speed increaser; the condenser 7 is provided with a condensate pipeline which is communicated with the evaporator 8 through the circulating pump 5, the evaporator 8 is also provided with a steam channel which is communicated with the expander 2, and the expander 2 is also provided with a steam channel which is communicated with the condenser 7; the diffuser pipe 1 is provided with a circulating medium channel which is communicated with an expansion speed increaser 10 through a high-temperature heat exchanger 6, and the expansion speed increaser 10 is provided with a circulating medium channel which is communicated with the diffuser pipe 1 through an evaporator 8; an air channel is arranged outside and communicated with an internal combustion engine 9, a fuel channel is arranged outside and communicated with the internal combustion engine 9, the internal combustion engine 9 and a fuel gas channel are communicated with the outside through a high-temperature heat exchanger 6, the internal combustion engine 9 and a cooling medium channel are communicated with the outside, a condenser 7 and a cooling medium channel are communicated with the outside, an evaporator 8 and a heat medium channel are communicated with the outside, and the expander 2, the internal combustion engine 9 and the expansion speed increaser 10 are connected with the outside and output power.
(2) In the process, the condensate of the condenser 7 is boosted by the circulating pump 5 and enters the evaporator 8, the condensate is vaporized after absorbing the heat load provided by the circulating medium and the heat medium, the saturated or superheated steam released by the evaporator 8 enters the expansion machine 2 for decompression and work, and then enters the condenser 7 for releasing heat to the cooling medium and condensing; the circulating medium discharged by the diffuser pipe 1 flows through the high-temperature heat exchanger 6 and absorbs heat, flows through the expansion speed increaser 10 to reduce pressure, do work, reduce pressure and increase speed, flows through the evaporator 8 to release heat and reduce temperature, and then enters the diffuser pipe 1 to increase pressure, raise temperature and reduce speed; external fuel and air enter the internal combustion engine 9, a series of processes including combustion and expansion are completed in a cylinder of the internal combustion engine 9, fuel gas discharged by the internal combustion engine 9 flows through the high-temperature heat exchanger 6 and releases heat, and external cooling medium flows through the internal combustion engine 9 and is discharged outside after absorbing heat; the fuel provides driving heat load through combustion, the heat medium, namely fuel gas after flowing through the high-temperature heat exchanger 6, other heat sources or heat source media capable of providing heat load, provides driving heat load through the evaporator 8, the cooling medium takes away low-temperature heat load through the condenser 7, and the expander 2, the internal combustion engine 9 and the expansion speed increaser 10 jointly provide power to the outside to form a combined cycle power device.
The combined cycle power plant shown in fig. 3 is implemented as follows:
(1) structurally, the expansion device mainly comprises a diffuser pipe, an expander, a circulating pump, a high-temperature heat exchanger, a condenser, an evaporator, an internal combustion engine, an expansion speed increaser and a compressor; the condenser 7 is provided with a condensate pipeline which is communicated with the evaporator 8 through the circulating pump 5, the evaporator 8 is also provided with a steam channel which is communicated with the expander 2, and the expander 2 is also provided with a steam channel which is communicated with the condenser 7; the diffuser pipe 1 is provided with a circulating medium channel which is communicated with an expansion speed increaser 10 through a high-temperature heat exchanger 6, and the expansion speed increaser 10 is provided with a circulating medium channel which is communicated with the diffuser pipe 1 through an evaporator 8; an air channel is arranged outside and communicated with an internal combustion engine 9, a gaseous fuel channel is arranged outside and communicated with the internal combustion engine 9 through a compressor 11, the internal combustion engine 9 and a fuel gas channel are communicated with the outside through a high-temperature heat exchanger 6, the internal combustion engine 9 and a cooling medium channel are communicated with the outside, a condenser 7 and a cooling medium channel are communicated with the outside, an evaporator 8 and a heat medium channel are communicated with the outside, the internal combustion engine 9 is connected with the compressor 11 and transmits power, and an expander 2, the internal combustion engine 9 and an expansion speed increaser 10 are connected with the outside and output power.
(2) In the process, the condensate of the condenser 7 is boosted by the circulating pump 5 and enters the evaporator 8, the condensate is vaporized after absorbing the heat load provided by the circulating medium and the heat medium, the saturated or superheated steam released by the evaporator 8 enters the expansion machine 2 for decompression and work, and then enters the condenser 7 for releasing heat to the cooling medium and condensing; the circulating medium discharged by the diffuser pipe 1 flows through the high-temperature heat exchanger 6 and absorbs heat, flows through the expansion speed increaser 10 to reduce pressure, do work, reduce pressure and increase speed, flows through the evaporator 8 to release heat and reduce temperature, and then enters the diffuser pipe 1 to increase pressure, raise temperature and reduce speed; the external air enters the internal combustion engine 9, the external gaseous fuel enters the internal combustion engine 9 after being pressurized by the compressor 11, the air and the fuel complete a series of processes including combustion and expansion in a cylinder of the internal combustion engine 9, the fuel gas discharged by the internal combustion engine 9 flows through the high-temperature heat exchanger 6 and releases heat, and the external cooling medium flows through the internal combustion engine 9 and discharges the external cooling medium after absorbing heat; the fuel provides driving heat load through combustion, the heat medium-fuel gas after flowing through the high-temperature heat exchanger 6, other heat sources or heat media capable of providing heat load-provide driving heat load through the evaporator 8, the cooling medium takes away low-temperature heat load through the condenser 7, a part of work output by the internal combustion engine 9 or the expansion speed increasing machine 10 is provided for the compressor 11 as power, and the expansion machine 2, the internal combustion engine 9 and the expansion speed increasing machine 10 jointly provide power for the outside, so that a combined cycle power device is formed.
The combined cycle power plant shown in fig. 4 is implemented as follows:
(1) structurally, in the combined cycle power plant shown in fig. 2, a newly added compressor and a newly added high-temperature heat exchanger are added, a circulation medium channel of a diffuser pipe 1 is communicated with an expansion speed increaser 10 through the high-temperature heat exchanger 6 and adjusted to be that the circulation medium channel of the diffuser pipe 1 is communicated with the newly added compressor a through the high-temperature heat exchanger 6, the circulation medium channel of the newly added compressor a is communicated with the expansion speed increaser 10 through the newly added high-temperature heat exchanger B, a gas channel of an internal combustion engine 9 is communicated with the outside through the high-temperature heat exchanger 6 and adjusted to be that the gas channel of the internal combustion engine 9 is communicated with the outside through the newly added high-temperature heat exchanger B and the high-temperature heat exchanger 6.
(2) Compared with the circulation flow of the combined cycle power plant shown in FIG. 2, the difference is that the circulation medium discharged from the diffuser pipe 1 flows through the high-temperature heat exchanger 6 and absorbs heat, and then enters the newly-added compressor A to increase the pressure and the temperature; circulating medium discharged by the newly-added compressor A flows through the newly-added high-temperature heat exchanger B and absorbs heat, and then enters the expansion speed increaser 10 to reduce pressure, do work and increase pressure and speed; the gas discharged by the internal combustion engine 9 flows through the newly-added high-temperature heat exchanger B and the high-temperature heat exchanger 6 to gradually release heat and is discharged to the outside, and the expansion speed increaser 10 provides power for the newly-added compressor A to form a combined cycle power device.
The combined cycle power plant shown in fig. 5 is implemented as follows:
(1) structurally, in the combined cycle power plant shown in fig. 2, a newly added dual-energy compressor and a newly added high-temperature heat exchanger are added, a circulation medium channel of a diffuser pipe 1 is communicated with an expansion speed increaser 10 through a high-temperature heat exchanger 6 and adjusted to be communicated with the newly added dual-energy compressor C through the high-temperature heat exchanger 6, a circulation medium channel of the newly added dual-energy compressor C is communicated with the expansion speed increaser 10 through a newly added high-temperature heat exchanger B, a gas channel of an internal combustion engine 9 is communicated with the outside through the high-temperature heat exchanger 6 and adjusted to be communicated with the gas channel of the internal combustion engine 9 through the newly added high-temperature heat exchanger B and the high-temperature heat exchanger 6 and the expansion speed increaser 10 is connected with the newly added dual.
(2) Compared with the circulation flow of the combined cycle power plant shown in FIG. 2, the difference in the flow is that the circulation medium discharged from the diffuser pipe 1 flows through the high-temperature heat exchanger 6 and absorbs heat, and then enters the newly-added dual-energy compressor C to increase the pressure, raise the temperature and reduce the speed; circulating media discharged by the newly-added dual-energy compressor C flow through the newly-added high-temperature heat exchanger B and absorb heat, and then enter the expansion speed increaser 10 to reduce pressure and do work and reduce pressure and increase speed; the gas discharged by the internal combustion engine 9 flows through the newly-added high-temperature heat exchanger B and the high-temperature heat exchanger 6 to gradually release heat and is discharged outwards, and the expansion speed increaser 10 provides power for the newly-added dual-energy compressor C to form a combined cycle power device.
The combined cycle power plant shown in fig. 6 is implemented as follows:
(1) structurally, in the combined cycle power plant shown in fig. 2, a newly added diffuser pipe and a newly added high temperature heat exchanger are added, the diffuser pipe 1 is communicated with the expansion speed increaser 10 through the high temperature heat exchanger 6, and is adjusted to be communicated with the expansion speed increaser 10 through the high temperature heat exchanger 6, the diffuser pipe 1 is communicated with the newly added diffuser pipe D through the high temperature heat exchanger 6, the newly added diffuser pipe D is communicated with the expansion speed increaser 10 through a circulating medium channel, and the internal combustion engine 9 is communicated with the outside through the newly added high temperature heat exchanger B and the high temperature heat exchanger 6, and is adjusted to be communicated with the outside through the internal combustion engine 9 through the high temperature heat exchanger 6, and.
(2) Compared with the circulation flow of the combined cycle power plant shown in FIG. 2, the difference in the flow is that the circulation medium discharged from the diffuser pipe 1 flows through the high-temperature heat exchanger 6 and absorbs heat, and then enters the newly-added diffuser pipe D to increase the pressure, raise the temperature and reduce the speed; circulating media discharged by the newly-added diffuser pipe D flow through the newly-added high-temperature heat exchanger B and absorb heat, and then enter the expansion speed increaser 10 to reduce pressure and do work and reduce pressure and increase speed; the gas discharged by the internal combustion engine 9 flows through the newly-added high-temperature heat exchanger B and the high-temperature heat exchanger 6 to gradually release heat and is discharged to the outside, so that a combined cycle power device is formed.
The combined cycle power plant shown in fig. 7 is implemented as follows:
(1) structurally, in the combined cycle power plant shown in fig. 2, a new expansion machine and a new high-temperature heat exchanger are added, a circulation medium channel of a pressure expansion pipe 1 is communicated with an expansion speed increaser 10 through a high-temperature heat exchanger 6 and is adjusted to be communicated with the expansion machine E through the high-temperature heat exchanger 6, a circulation medium channel of the new expansion machine E is communicated with the expansion speed increaser 10 through a new high-temperature heat exchanger B, a gas channel of an internal combustion engine 9 is communicated with the outside through the high-temperature heat exchanger 6 and is adjusted to be communicated with the gas channel of the internal combustion engine 9 through the new high-temperature heat exchanger B and the high-temperature heat exchanger 6 and is communicated with the outside, and the new expansion machine E is connected with the outside and transmits.
(2) Compared with the circulation flow of the combined cycle power plant shown in FIG. 2, the difference in the flow is that the circulation medium discharged from the diffuser pipe 1 flows through the high temperature heat exchanger 6 and absorbs heat, and then enters the new expansion machine E to reduce the pressure and do work; the circulating medium discharged by the new expansion machine E flows through the new high-temperature heat exchanger B and absorbs heat, and then enters the expansion speed increaser 10 to reduce pressure and do work and reduce pressure and increase speed; the gas discharged by the internal combustion engine 9 is gradually released and discharged through the newly added high-temperature heat exchanger B and the high-temperature heat exchanger 6, and the work output by the newly added expansion machine E is output outwards to form a combined cycle power device.
The combined cycle power plant shown in fig. 8 is implemented as follows:
(1) structurally, in the combined cycle power plant shown in fig. 2, a newly added expansion speed increaser and a newly added high-temperature heat exchanger are added, a circulation medium channel of a diffuser pipe 1 is communicated with an expansion speed increaser 10 through a high-temperature heat exchanger 6 and is adjusted to be communicated with the newly added expansion speed increaser F through the high-temperature heat exchanger 6, a circulation medium channel of the newly added expansion speed increaser F is communicated with the expansion speed increaser 10 through a newly added high-temperature heat exchanger B, a gas channel of an internal combustion engine 9 is communicated with the outside through the high-temperature heat exchanger 6 and is adjusted to be communicated with the outside through the gas channel of the internal combustion engine 9 through the newly added high-temperature heat exchanger B and the high-temperature heat exchanger 6, and the newly added expansion speed.
(2) Compared with the circulation flow of the combined cycle power plant shown in fig. 2, the difference in the flow is that the circulation medium discharged from the diffuser pipe 1 flows through the high-temperature heat exchanger 6 and absorbs heat, and then enters the newly-added expansion speed increaser F to reduce the pressure and do work and increase the pressure and speed; circulating medium discharged by the newly-added expansion speed increaser F flows through the newly-added high-temperature heat exchanger B and absorbs heat, and then enters the expansion speed increaser 10 to reduce pressure and do work and reduce pressure and increase speed; the gas discharged by the internal combustion engine 9 flows through the newly added high-temperature heat exchanger B and the high-temperature heat exchanger 6 to gradually release heat and is discharged outwards, and the work output by the newly added expansion speed increaser F is output outwards to form a combined cycle power device.
The combined cycle power plant shown in fig. 9 is implemented as follows:
(1) structurally, in the combined cycle power plant shown in fig. 2, a spray pipe and a new high temperature heat exchanger are added, a circulation medium channel of a diffuser pipe 1 is communicated with an expansion speed increaser 10 through a high temperature heat exchanger 6 and adjusted to be that the diffuser pipe 1 is communicated with the spray pipe 3 through the high temperature heat exchanger 6, the circulation medium channel of the spray pipe 3 is communicated with the expansion speed increaser 10 through a new high temperature heat exchanger B, a gas channel of an internal combustion engine 9 is communicated with the outside through the high temperature heat exchanger 6 and adjusted to be that the gas channel of the internal combustion engine 9 is communicated with the outside through the new high temperature heat exchanger B and the high temperature heat exchanger 6.
(2) Compared with the circulation flow of the combined cycle power plant shown in FIG. 2, the difference in the flow is that the circulation medium discharged from the diffuser pipe 1 flows through the high temperature heat exchanger 6 and absorbs heat, and then enters the nozzle 3 to be depressurized and accelerated; circulating medium discharged by the spray pipe 3 flows through the newly-added high-temperature heat exchanger B and absorbs heat, and then enters the expansion speed increaser 10 to reduce pressure and do work and reduce pressure and increase speed; the gas discharged by the internal combustion engine 9 flows through the newly-added high-temperature heat exchanger B and the high-temperature heat exchanger 6 to gradually release heat and is discharged to the outside, so that a combined cycle power device is formed.
The combined cycle power plant shown in fig. 10 is implemented as follows:
(1) structurally, in the combined cycle power plant shown in fig. 2, a heat regenerator is added, a circulation medium channel of the diffuser pipe 1 is communicated with the expansion speed increaser 10 through a high-temperature heat exchanger 6 and adjusted to be communicated with the expansion speed increaser 10 through a heat regenerator 12 and the high-temperature heat exchanger 6, a circulation medium channel of the expansion speed increaser 10 is communicated with the diffuser pipe 1 through an evaporator 8 and adjusted to be communicated with the expansion speed increaser 10 through a circulation medium channel of the expansion speed increaser 10 and communicated with the diffuser pipe 1 through the heat regenerator 12 and the evaporator 8.
(2) Compared with the circulation flow of the combined cycle power device shown in fig. 2, the difference in the flow is that the circulation medium discharged from the diffuser pipe 1 flows through the heat regenerator 12 and the high temperature heat exchanger 6 and absorbs heat gradually, flows through the expansion speed increaser 10 to reduce pressure and do work, reduce pressure and increase speed, flows through the heat regenerator 12 and the evaporator 8 to release heat gradually, and then enters the diffuser pipe 1 to form the combined cycle power device.
The combined cycle power plant shown in FIG. 11 is implemented as follows:
(1) structurally, in the combined cycle power plant shown in fig. 2, a regenerator is added, a newly-added diffuser pipe and a newly-added high-temperature heat exchanger are adopted, a circulating medium channel of a diffuser pipe 1 is communicated with an expansion speed increaser 10 through a high-temperature heat exchanger 6 and adjusted to be communicated with a circulating medium channel of the diffuser pipe 1 through a heat regenerator 12 and the high-temperature heat exchanger 6, a circulating medium channel of the newly-added diffuser pipe D is communicated with the expansion speed increaser 10 through a newly-added high-temperature heat exchanger B, a circulating medium channel of the expansion speed increaser 10 is communicated with the diffuser pipe 1 through an evaporator 8 and adjusted to be communicated with the expansion speed increaser 10 through a circulating medium channel of the expansion speed increaser 10 through the heat regenerator 12 and the evaporator 8, a gas channel of an internal combustion engine 9 is communicated with the outside through the high-temperature heat exchanger 6 and adjusted to be communicated with the internal combustion engine 9 through.
(2) Compared with the circulation flow of the combined cycle power plant shown in fig. 2, the difference in the flow is that the circulation medium discharged from the diffuser pipe 1 flows through the heat regenerator 12 and the high-temperature heat exchanger 6 and gradually absorbs heat, and then enters the newly added diffuser pipe D to increase the pressure, raise the temperature and reduce the speed; the circulating medium discharged by the newly-added diffuser pipe D flows through the newly-added high-temperature heat exchanger B and absorbs heat, flows through the expansion speed increaser 10 to reduce the pressure and do work and reduce the pressure and increase the speed, flows through the heat regenerator 12 and the evaporator 8 to gradually release heat, and then enters the diffuser pipe 1; the gas discharged by the internal combustion engine 9 flows through the newly-added high-temperature heat exchanger B and the high-temperature heat exchanger 6 to gradually release heat and is discharged to the outside, so that a combined cycle power device is formed.
The combined cycle power plant shown in fig. 12 is implemented as follows:
(1) structurally, in the combined cycle power plant shown in fig. 2, a mixed heat regenerator and a second circulating pump are added, a condensate pipeline of a condenser 7 is communicated with an evaporator 8 through a circulating pump 5, the condenser 7 is adjusted to be communicated with the mixed heat regenerator 13 through the circulating pump 5, a steam extraction channel is additionally arranged on an expansion machine 2 and is communicated with the mixed heat regenerator 13, and the mixed heat regenerator 13 is communicated with the evaporator 8 through a condensate pipeline of the second circulating pump 14.
(2) Compared with the circulation flow of the combined cycle power plant shown in fig. 2, the difference in the flow is that the condensate of the condenser 7 enters the mixed heat regenerator 13 after flowing through the circulation pump 5 and being boosted, the steam entering the expander 2 is decompressed and divided into two paths after being applied with a certain pressure, the first path is continuously decompressed and applied with work and then enters the condenser 7, the second path enters the mixed heat regenerator 13 through the steam extraction channel to be mixed with the condensate for heat release and condensation, and the condensate of the mixed heat regenerator 13 enters the evaporator 8 after being boosted by the second circulation pump 14, so that the combined cycle power plant is formed.
The combined cycle power plant shown in fig. 13 is implemented as follows:
in the combined cycle power plant shown in fig. 2, a preheater is added, and a condensate pipeline of the condenser 7 is communicated with the evaporator 8 through the circulating pump 5, so that the condenser 7 is adjusted to be communicated with the evaporator 8 through the circulating pump 5 and the preheater 15, and the preheater 15 is also communicated with the outside through a heat medium channel; the condensate of the condenser 7 is boosted by the circulating pump 5 and heated by the preheater 15, and then enters the evaporator 8 to form a combined cycle power plant.
The combined cycle power plant shown in fig. 14 is implemented as follows:
in the combined cycle power plant shown in fig. 2, an intermediate reheater is added, the evaporator 8 having a steam passage communicating with the expander 2 and the expander 2 having a steam passage communicating with the condenser 7 are adjusted such that the evaporator 8 having a steam passage communicating with the expander 2, the expander 2 having an intermediate reheated steam passage communicating with the expander 2 via the intermediate reheater 16 and the expander 2 having a steam passage communicating with the condenser 7, the intermediate reheater 16 having a heat medium passage communicating with the outside; when the steam entering the expansion machine 2 reduces the pressure and works to a certain pressure, the steam is completely led out and flows through the intermediate reheater 16 through the intermediate reheated steam channel to absorb heat and raise the temperature, then enters the expansion machine 2 to continue reducing the pressure and work, and then enters the condenser 7 to release heat and condense to form the combined cycle power device.
The combined cycle power plant shown in fig. 15 is implemented as follows:
(1) structurally, in the combined cycle power plant shown in fig. 2, a cooling medium channel of the internal combustion engine 9 communicated with the outside is cancelled, a newly added circulating pump and a newly added superheater are added, a condensate pipeline is additionally arranged on the condenser 7, the condensate pipeline is communicated with the internal combustion engine 9 through the newly added circulating pump G, then a steam channel of the internal combustion engine 9 is communicated with the expander 2 through the newly added superheater H, and a heat medium channel of the newly added superheater H is communicated with the outside.
(2) Compared with the circulation flow of the combined cycle power plant shown in fig. 2, the difference in the flow is that one path of condensate of the condenser 7 is boosted by the newly added circulation pump G and then supplied to the internal combustion engine 9 as circulating cooling liquid, is vaporized by heat absorption, enters the expansion machine 2 after being heated by the newly added superheater H by heat absorption and then is decompressed and does work, and a heat medium, namely fuel gas discharged by the internal combustion engine 9 or other heat source media, provides heat load to the newly added superheater H to form the combined cycle power plant.
The effect that the technology of the invention can realize-the combined cycle power device provided by the invention has the following effects and advantages:
(1) the diffuser pipe replaces a main compressor, and the manufacturing difficulty and the cost of the combined cycle power device are greatly reduced.
(2) The expansion speed increaser replaces a main expansion machine, and the manufacturing difficulty and the cost of the combined cycle power device are greatly reduced.
(3) The jet pipe or the expansion speed increaser replaces a common expansion machine, so that the manufacturing difficulty and the cost of the combined cycle power device are effectively reduced.
(4) The diffuser pipe or the dual-energy compressor replaces a common compressor, and the manufacturing difficulty and the manufacturing cost of the combined cycle power device are effectively reduced.
(5) The simple components replace complex components, and the heat power change efficiency of the combined cycle 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 combined cycle power plant technology is expanded, the types of the combined cycle power plant are enriched, the conversion of heat energy into mechanical energy is favorably realized, and the application range of the combined cycle power plant is expanded.

Claims (21)

1. The combined cycle power device mainly comprises a diffuser pipe, an expander, a spray pipe, a second expander, a circulating pump, a high-temperature heat exchanger, a condenser, an evaporator and an internal combustion engine; the condenser (7) is provided with a condensate pipeline which is communicated with the evaporator (8) through a circulating pump (5), the evaporator (8) is also provided with a steam channel which is communicated with the second expander (4), and the second expander (4) is also provided with a steam channel which is communicated with the condenser (7); the diffuser pipe (1) is provided with a circulating medium channel which is communicated with the expander (2) through the high-temperature heat exchanger (6), and the expander (2) is provided with a circulating medium channel which is communicated with the diffuser pipe (1) through the spray pipe (3) and the evaporator (8); an air channel is arranged outside and communicated with an internal combustion engine (9), a fuel channel is arranged outside and communicated with the internal combustion engine (9), a fuel gas channel is arranged inside the internal combustion engine (9) and communicated with the outside through a high-temperature heat exchanger (6), a cooling medium channel is arranged inside the internal combustion engine (9) and communicated with the outside, a cooling medium channel is arranged inside a condenser (7) and communicated with the outside, an evaporator (8) or a heat medium channel is communicated with the outside, and an expander (2), a second expander (4) and the internal combustion engine (9) are connected with the outside and output power to form a combined cycle power device.
2. The combined cycle power device mainly comprises a diffuser pipe, an expander, a circulating pump, a high-temperature heat exchanger, a condenser, an evaporator, an internal combustion engine and an expansion speed increaser; the condenser (7) is provided with a condensate pipeline which is communicated with the evaporator (8) through a circulating pump (5), the evaporator (8) is also provided with a steam channel which is communicated with the expander (2), and the expander (2) is also provided with a steam channel which is communicated with the condenser (7); the diffuser pipe (1) is provided with a circulating medium channel which is communicated with an expansion speed increaser (10) through a high-temperature heat exchanger (6), and the expansion speed increaser (10) is provided with a circulating medium channel which is communicated with the diffuser pipe (1) through an evaporator (8); an air channel is arranged outside and communicated with an internal combustion engine (9), a fuel channel is arranged outside and communicated with the internal combustion engine (9), a fuel gas channel is arranged inside the internal combustion engine (9) and communicated with the outside through a high-temperature heat exchanger (6), a cooling medium channel is arranged inside the internal combustion engine (9) and communicated with the outside, a cooling medium channel is arranged inside a condenser (7) and communicated with the outside, an evaporator (8) or a heat medium channel is communicated with the outside, and an expander (2), the internal combustion engine (9) and an expansion speed increaser (10) are connected with the outside and output power to form a combined cycle power device.
3. The combined cycle power device mainly comprises a diffuser pipe, an expander, a circulating pump, a high-temperature heat exchanger, a condenser, an evaporator, an internal combustion engine, an expansion speed increaser and a compressor; the condenser (7) is provided with a condensate pipeline which is communicated with the evaporator (8) through a circulating pump (5), the evaporator (8) is also provided with a steam channel which is communicated with the expander (2), and the expander (2) is also provided with a steam channel which is communicated with the condenser (7); the diffuser pipe (1) is provided with a circulating medium channel which is communicated with an expansion speed increaser (10) through a high-temperature heat exchanger (6), and the expansion speed increaser (10) is provided with a circulating medium channel which is communicated with the diffuser pipe (1) through an evaporator (8); the external part is provided with an air channel communicated with an internal combustion engine (9), the external part is also provided with a gaseous fuel channel communicated with the internal combustion engine (9) through a compressor (11), the internal combustion engine (9) is also provided with a fuel gas channel communicated with the external part through a high-temperature heat exchanger (6), the internal combustion engine (9) is also provided with a cooling medium channel communicated with the external part, a condenser (7) is also provided with a cooling medium channel communicated with the external part, an evaporator (8) or a heat medium channel is also communicated with the external part, the internal combustion engine (9) is connected with the compressor (11) and transmits power, and an expander (2), the internal combustion engine (9) and an expansion speed increaser (10) are connected with.
4. A combined cycle power plant, in any combined cycle power plant of claims 2-3, a newly added compressor and a newly added high temperature heat exchanger are added, a circulating medium channel of a diffuser pipe (1) is communicated with an expansion speed increaser (10) through a high temperature heat exchanger (6) and is adjusted to be communicated with a newly added compressor (A) through the high temperature heat exchanger (6) and the circulating medium channel of the diffuser pipe (1), a circulating medium channel of the newly added compressor (A) is communicated with the expansion speed increaser (10) through a newly added high temperature heat exchanger (B), a gas channel of an internal combustion engine (9) is communicated with the outside through the high temperature heat exchanger (6) and is adjusted to be communicated with the outside through the newly added high temperature heat exchanger (B) and the high temperature heat exchanger (6) and the expansion speed increaser (10) is connected with the newly added compressor (A) and transmits power, forming a combined cycle power plant.
5. A combined cycle power plant, which is characterized in that any one of the combined cycle power plants of claims 2-3 is additionally provided with a newly-added dual-energy compressor and a newly-added high-temperature heat exchanger, a circulating medium channel of a diffuser pipe (1) is communicated with an expansion speed increaser (10) through a high-temperature heat exchanger (6) and adjusted to be communicated with the newly-added dual-energy compressor (C) through the high-temperature heat exchanger (6), a circulating medium channel of the newly-added dual-energy compressor (C) is communicated with the expansion speed increaser (10) through a newly-added high-temperature heat exchanger (B), a gas channel of an internal combustion engine (9) is communicated with the outside through the high-temperature heat exchanger (6) and adjusted to be communicated with the outside through the newly-added high-temperature heat exchanger (B) and the high-temperature heat exchanger (6), and the expansion speed increaser (10) is connected with the newly-added dual-energy compressor (C), forming a combined cycle power plant.
6. A combined cycle power device is characterized in that a newly added diffuser pipe and a newly added high-temperature heat exchanger are added in any combined cycle power device of claims 2-3, a circulating medium channel of the diffuser pipe (1) is communicated with an expansion speed increaser (10) through a high-temperature heat exchanger (6) and is adjusted to be communicated with a newly added diffuser pipe (D) through the high-temperature heat exchanger (6) and a circulating medium channel of the newly added diffuser pipe (D) is communicated with the expansion speed increaser (10) through a newly added high-temperature heat exchanger (B), a gas channel of an internal combustion engine (9) is communicated with the outside through the high-temperature heat exchanger (6) and is adjusted to be communicated with the outside through the newly added high-temperature heat exchanger (B) and the high-temperature heat exchanger (6) to form the combined cycle power device.
7. A combined cycle power plant as claimed in any one of claims 2 to 3, a new expansion machine and a new increased high-temperature heat exchanger are added, a circulation medium channel arranged on a diffuser pipe (1) is communicated with an expansion speed increasing machine (10) through a high-temperature heat exchanger (6) and adjusted to be communicated with the expansion speed increasing machine (1) through the circulation medium channel arranged on the diffuser pipe (6) and communicated with a new expansion machine (E) through the high-temperature heat exchanger (6), a circulation medium channel arranged on the new expansion machine (E) is communicated with the expansion speed increasing machine (10) through a new increased high-temperature heat exchanger (B), a gas channel arranged on an internal combustion engine (9) is communicated with the outside through the high-temperature heat exchanger (6) and adjusted to be communicated with the inside through the gas channel arranged on the internal combustion engine (9) and communicated with the outside through the new increased high-temperature heat exchanger (B) and the high-temperature heat exchanger (.
8. A combined cycle power plant, in any one of the combined cycle power plants of claims 2-3, a newly added expansion speed increaser and a newly added high temperature heat exchanger are added, a circulating medium channel of a diffuser pipe (1) is communicated with the expansion speed increaser (10) through the high temperature heat exchanger (6) and adjusted to be communicated with the newly added expansion speed increaser (F) through the high temperature heat exchanger (6) and the circulating medium channel of the newly added expansion speed increaser (F) is communicated with the expansion speed increaser (10) through the newly added high temperature heat exchanger (B), a gas channel of an internal combustion engine (9) is communicated with the outside through the high temperature heat exchanger (6) and adjusted to be communicated with the outside through the gas channel of the internal combustion engine (9) through the newly added high temperature heat exchanger (B) and the high temperature heat exchanger (6), and the newly added expansion speed increaser (F) is connected with the outside and transmits power, forming a combined cycle power plant.
9. A combined cycle power device is characterized in that a spray pipe and a newly-increased high-temperature heat exchanger are added in any combined cycle power device of claims 2-3, a circulating medium channel of a diffuser pipe (1) is communicated with an expansion speed increaser (10) through a high-temperature heat exchanger (6) and adjusted to be communicated with the spray pipe (3) through the high-temperature heat exchanger (6) and the circulating medium channel of the diffuser pipe (1), a circulating medium channel of the spray pipe (3) is communicated with the expansion speed increaser (10) through the newly-increased high-temperature heat exchanger (B), a gas channel of an internal combustion engine (9) is communicated with the outside through the high-temperature heat exchanger (6) and adjusted to be communicated with the outside through the newly-increased high-temperature heat exchanger (B) and the high-temperature heat exchanger (6), and the combined cycle power device is formed.
10. A combined cycle power device is characterized in that a heat regenerator is added in any combined cycle power device according to claims 2-3, a circulation medium channel of a diffuser pipe (1) is communicated with an expansion speed increaser (10) through a high-temperature heat exchanger (6) and adjusted to be communicated with the expansion speed increaser (10) through a heat regenerator (12) and the high-temperature heat exchanger (6), a circulation medium channel of the expansion speed increaser (10) is communicated with the diffuser pipe (1) through an evaporator (8) and adjusted to be communicated with the expansion speed increaser (10) through a circulation medium channel of the expansion speed increaser (10) and the heat regenerator (12) and the evaporator (8) to be communicated with the diffuser pipe (1), and the combined cycle power device is formed.
11. A combined cycle power plant, in any one of the combined cycle power plants of claims 2-3, a heat regenerator, a newly-added compressor and a newly-added high temperature heat exchanger are added, a circulating medium channel of a diffuser pipe (1) is communicated with an expansion speed increaser (10) through the high temperature heat exchanger (6) and adjusted to be communicated with the newly-added compressor (A) through the heat regenerator (12) and the high temperature heat exchanger (6), a circulating medium channel of the newly-added compressor (A) is communicated with the expansion speed increaser (10) through the newly-added high temperature heat exchanger (B), a circulating medium channel of the expansion speed increaser (10) is communicated with the diffuser pipe (1) through an evaporator (8) and adjusted to be communicated with the expansion speed increaser (10) through the circulating medium channel of the heat regenerator (12) and the evaporator (8), a gas channel of an internal combustion engine (9) is communicated with the outside through the high temperature heat exchanger (6) and adjusted to be communicated with the internal combustion engine (9) through the newly-added high temperature heat exchanger ( The gas channel is communicated with the outside through the newly-increased high-temperature heat exchanger (B) and the high-temperature heat exchanger (6), and the expansion speed increaser (10) is connected with the newly-increased compressor (A) and transmits power to form a combined cycle power device.
12. A combined cycle power device is characterized in that a heat regenerator, a newly-added dual-energy compressor and a newly-added high-temperature heat exchanger are added in any combined cycle power device of claims 2 to 3, a circulation medium channel of a diffuser pipe (1) is communicated with an expansion speed increaser (10) through the high-temperature heat exchanger (6) and adjusted to be that the diffuser pipe (1) is communicated with a newly-added dual-energy compressor (C) through a circulation medium channel of a regenerator (12) and the high-temperature heat exchanger (6), the newly-added dual-energy compressor (C) is further communicated with the expansion speed increaser (10) through a newly-added high-temperature heat exchanger (B), the expansion speed increaser (10) is provided with a circulation medium channel which is communicated with the diffuser pipe (1) through an evaporator (8) and adjusted to be that the expansion speed increaser (10) is provided with a circulation medium channel which is communicated with the diffuser pipe (1) through the heat regenerator (12) and, the internal combustion engine (9) is communicated with the outside through the high-temperature heat exchanger (6) to adjust that the internal combustion engine (9) is communicated with the outside through the newly-increased high-temperature heat exchanger (B) and the high-temperature heat exchanger (6), and the expansion speed increaser (10) is connected with the newly-increased dual-energy compressor (C) and transmits power to form a combined cycle power device.
13. A combined cycle power plant, in any one of the combined cycle power plants of claims 2-3, a heat regenerator, a newly added diffuser pipe and a newly added high temperature heat exchanger are added, the diffuser pipe (1) is provided with a circulation medium channel which is communicated with the expansion speed increaser (10) through the high temperature heat exchanger (6) and adjusted to be that the diffuser pipe (1) is provided with a circulation medium channel which is communicated with the newly added diffuser pipe (D) through the heat regenerator (12) and the high temperature heat exchanger (6), the newly added diffuser pipe (D) is provided with a circulation medium channel which is communicated with the expansion speed increaser (10) through the newly added high temperature heat exchanger (B), the expansion speed increaser (10) is provided with a circulation medium channel which is communicated with the diffuser pipe (1) through the evaporator (8) and adjusted to be that the expansion speed increaser (10) is provided with a circulation medium channel which is communicated with the diffuser pipe (1) through the heat regenerator (12) and the evaporator (8), the internal combustion engine (9) is provided with a gas channel which is The fuel gas channel is communicated with the outside through the newly-added high-temperature heat exchanger (B) and the high-temperature heat exchanger (6) to form a combined cycle power device.
14. A combined cycle power plant, in any one of the combined cycle power plants of claims 2-3, a heat regenerator, a new expansion machine and a new high temperature heat exchanger are added, a circulation medium channel of a diffuser pipe (1) is communicated with an expansion speed increaser (10) through a high temperature heat exchanger (6) and adjusted to be communicated with the new expansion machine (E) through a heat regenerator (12) and a high temperature heat exchanger (6), the new expansion machine (E) is further communicated with the expansion speed increaser (10) through a new high temperature heat exchanger (B), a circulation medium channel of the expansion speed increaser (10) is communicated with the diffuser pipe (1) through an evaporator (8) and adjusted to be communicated with the expansion speed increaser (10) through a circulation medium channel of the expansion speed increaser (10) and communicated with the expansion speed increaser (1) through the heat regenerator (12) and the evaporator (8), a gas channel of an internal combustion engine (9) is communicated with the outside through the high temperature heat exchanger (6) and adjusted to be communicated with the internal combustion engine (9) and adjusted The gas channel is communicated with the outside through the newly increased high-temperature heat exchanger (B) and the high-temperature heat exchanger (6), and the newly increased expansion machine (E) is connected with the outside and transmits power to form a combined cycle power device.
15. A combined cycle power device is characterized in that a heat regenerator, a newly added expansion speed increaser and a newly added high-temperature heat exchanger are added in any combined cycle power device of claims 2 to 3, a circulation medium channel of a diffuser pipe (1) is communicated with the expansion speed increaser (10) through the high-temperature heat exchanger (6) and is adjusted to be that the diffuser pipe (1) is communicated with the newly added expansion speed increaser (F) through a circulation medium channel of a regenerator (12) and the high-temperature heat exchanger (6), the newly added expansion speed increaser (F) is further communicated with the expansion speed increaser (10) through a newly added high-temperature heat exchanger (B), the expansion speed increaser (10) is communicated with the diffuser pipe (1) through an evaporator (8) and is adjusted to be that the expansion speed increaser (10) is provided with a circulation medium channel which is communicated with the expansion speed increaser (1) through the regenerator (12) and the evaporator (8), the internal combustion engine (9) is communicated with the outside through the high-temperature heat exchanger (6) to adjust that the internal combustion engine (9) is communicated with the outside through the newly-increased high-temperature heat exchanger (B) and the high-temperature heat exchanger (6), and the newly-increased expansion speed increaser (F) is connected with the outside and transmits power to form a combined cycle power device.
16. A combined cycle power plant, in any one of the combined cycle power plants of claims 2-3, a regenerator, a nozzle and a newly-increased high temperature heat exchanger are added, a circulating medium channel of a diffuser pipe (1) is communicated with an expansion speed increaser (10) through the high temperature heat exchanger (6) and adjusted to be communicated with the diffuser pipe (1) through the regenerator (12) and the high temperature heat exchanger (6) and communicated with the nozzle (3), a circulating medium channel of the nozzle (3) is communicated with the expansion speed increaser (10) through the newly-increased high temperature heat exchanger (B), the expansion speed increaser (10) is communicated with the diffuser pipe (1) through an evaporator (8) and adjusted to be communicated with the expansion speed increaser (10) through the circulating medium channel of the expansion speed increaser (10) through the regenerator (12) and the evaporator (8) and adjusted to be communicated with the diffuser pipe (1), a gas channel of an internal combustion engine (9) is communicated with the outside through the high temperature heat exchanger (6) and adjusted to be communicated with the internal combustion The heat exchanger (B) and the high-temperature heat exchanger (6) are communicated with the outside to form a combined cycle power device.
17. A combined cycle power device is characterized in that a mixed heat regenerator and a second circulating pump are added in any combined cycle power device of claims 2 to 16, a condenser (7) is provided with a condensate pipeline which is communicated with an evaporator (8) through a circulating pump (5) and is adjusted to be that the condenser (7) is provided with a condensate pipeline which is communicated with the mixed heat regenerator (13) through the circulating pump (5), an expander (2) is additionally provided with a steam extraction channel which is communicated with the mixed heat regenerator (13), and the mixed heat regenerator (13) is further provided with a condensate pipeline which is communicated with the evaporator (8) through the second circulating pump (14), so that the combined cycle power device is formed.
18. A combined cycle power plant, which is characterized in that a preheater is added in any combined cycle power plant of claims 2 to 16, a condenser (7) is provided with a condensate pipeline which is communicated with an evaporator (8) through a circulating pump (5) and is adjusted to be that the condenser (7) is provided with a condensate pipeline which is communicated with the evaporator (8) through the circulating pump (5) and the preheater (15), and the preheater (15) is also provided with a heat medium channel which is communicated with the outside, thereby forming the combined cycle power plant.
19. A combined cycle power plant, wherein an intermediate reheater is added to any one of the combined cycle power plants as claimed in claims 2 to 16, the evaporator (8) is provided with a steam passage for communicating with the expander (2) and the expander (2) is provided with a steam passage for communicating with the condenser (7), the evaporator (8) is provided with a steam passage for communicating with the expander (2), the expander (2) is provided with an intermediate reheated steam passage for communicating with the expander (2) through the intermediate reheater (16), the expander (2) is provided with a steam passage for communicating with the condenser (7), and the intermediate reheater (16) and a heat medium passage are communicated with the outside, thereby forming the combined cycle power plant.
20. A combined cycle power device is characterized in that in any combined cycle power device of claims 2-19, a cooling medium channel communicated with the outside of an internal combustion engine (9) is eliminated, a newly-added circulating pump is added, a condensate pipeline is additionally arranged on a condenser (7) and is communicated with the internal combustion engine (9) through the newly-added circulating pump (G), and then a steam channel of the internal combustion engine (9) is communicated with an expander (2) to form the combined cycle power device.
21. A combined cycle power device is characterized in that in any combined cycle power device of claims 2-19, a cooling medium channel communicated with the outside of an internal combustion engine (9) is eliminated, a newly-added circulating pump and a newly-added superheater are added, a condensate pipeline additionally arranged on a condenser (7) is communicated with the internal combustion engine (9) through the newly-added circulating pump (G), then a steam channel of the internal combustion engine (9) is communicated with an expander (2) through the newly-added superheater (H), and a heat medium channel of the newly-added superheater (H) is communicated with the outside to form the combined cycle power device.
CN201911146403.6A 2018-11-18 2019-11-13 Combined cycle power plant Pending CN110985148A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201811432284 2018-11-18
CN2018114322846 2018-11-18

Publications (1)

Publication Number Publication Date
CN110985148A true CN110985148A (en) 2020-04-10

Family

ID=70085497

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911146403.6A Pending CN110985148A (en) 2018-11-18 2019-11-13 Combined cycle power plant

Country Status (1)

Country Link
CN (1) CN110985148A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113357041A (en) * 2020-05-15 2021-09-07 李华玉 Internal combustion engine type combined cycle heat and power combined supply device
CN113417758A (en) * 2020-05-19 2021-09-21 李华玉 Internal combustion engine type combined cycle heat and power combined supply device
CN113417756A (en) * 2020-05-15 2021-09-21 李华玉 Internal combustion engine type combined cycle heat and power combined supply device

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201025157Y (en) * 2007-02-12 2008-02-20 深圳市康铖机械设备有限公司 Micro turbine jet engine
CN101458001A (en) * 2009-01-06 2009-06-17 中南大学 Compressor air-discharging and supercharging energy-conserving method and apparatus
US20110048009A1 (en) * 2008-02-07 2011-03-03 Ian Kenneth Smith Generating power from medium temperature heat sources
WO2012054006A1 (en) * 2010-10-22 2012-04-26 Virshubskiy Igor Mikhaylovich Method and device for energy production and regasification of liquefied natural gas
CN202630243U (en) * 2012-03-27 2012-12-26 中南大学 Domestic and commercial air conditioner return-air pressurization energy-saving device
CN103174475A (en) * 2011-12-22 2013-06-26 联合工艺公司 Cascaded organic rankine cycle system
CN104729136A (en) * 2015-03-02 2015-06-24 无锡雪浪环境科技股份有限公司 Circulating refrigerating method and refrigerating circulating system thereof
CN104727867A (en) * 2015-03-02 2015-06-24 无锡雪浪环境科技股份有限公司 Medium-and-low-temperature waste heat utilization method and pressure-reducing heat-absorbing type steam power circulating system thereof
CN106766352A (en) * 2016-11-12 2017-05-31 浙江理工大学 Steam jet type cooling device and its refrigerating method that heat/work(joint drives
CN108119196A (en) * 2017-12-07 2018-06-05 李华玉 Combined circulation power apparatus
CN110953026A (en) * 2018-11-22 2020-04-03 李华玉 Combined cycle power plant
CN111255535A (en) * 2018-11-15 2020-06-09 李华玉 Combined cycle power plant

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201025157Y (en) * 2007-02-12 2008-02-20 深圳市康铖机械设备有限公司 Micro turbine jet engine
US20110048009A1 (en) * 2008-02-07 2011-03-03 Ian Kenneth Smith Generating power from medium temperature heat sources
CN101458001A (en) * 2009-01-06 2009-06-17 中南大学 Compressor air-discharging and supercharging energy-conserving method and apparatus
WO2012054006A1 (en) * 2010-10-22 2012-04-26 Virshubskiy Igor Mikhaylovich Method and device for energy production and regasification of liquefied natural gas
CN103174475A (en) * 2011-12-22 2013-06-26 联合工艺公司 Cascaded organic rankine cycle system
CN202630243U (en) * 2012-03-27 2012-12-26 中南大学 Domestic and commercial air conditioner return-air pressurization energy-saving device
CN104729136A (en) * 2015-03-02 2015-06-24 无锡雪浪环境科技股份有限公司 Circulating refrigerating method and refrigerating circulating system thereof
CN104727867A (en) * 2015-03-02 2015-06-24 无锡雪浪环境科技股份有限公司 Medium-and-low-temperature waste heat utilization method and pressure-reducing heat-absorbing type steam power circulating system thereof
CN106766352A (en) * 2016-11-12 2017-05-31 浙江理工大学 Steam jet type cooling device and its refrigerating method that heat/work(joint drives
CN108119196A (en) * 2017-12-07 2018-06-05 李华玉 Combined circulation power apparatus
CN111255535A (en) * 2018-11-15 2020-06-09 李华玉 Combined cycle power plant
CN110953026A (en) * 2018-11-22 2020-04-03 李华玉 Combined cycle power plant

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
孙晓娜;梁虹;张红光;刘彬;陈研;吴玉庭;王伟;: "单螺杆膨胀机双循环***的应用――基于柴油机尾气余热利用的方案计算", 承德石油高等专科学校学报, no. 04, 15 December 2011 (2011-12-15) *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113357041A (en) * 2020-05-15 2021-09-07 李华玉 Internal combustion engine type combined cycle heat and power combined supply device
CN113417756A (en) * 2020-05-15 2021-09-21 李华玉 Internal combustion engine type combined cycle heat and power combined supply device
CN113417758A (en) * 2020-05-19 2021-09-21 李华玉 Internal combustion engine type combined cycle heat and power combined supply device

Similar Documents

Publication Publication Date Title
CN108119195B (en) Combined cycle power plant
CN108119196B (en) Combined cycle power plant
CN110886630A (en) Combined cycle power plant
CN110700906A (en) Single working medium combined cycle steam power device
CN111379606A (en) Combined cycle power plant
CN110985148A (en) Combined cycle power plant
CN111379605A (en) Combined cycle power plant
CN110700907A (en) Single working medium combined cycle steam power device
CN110985149A (en) Combined cycle power plant
CN110953026A (en) Combined cycle power plant
CN111255535A (en) Combined cycle power plant
CN111219215A (en) Combined cycle power plant
CN110953028A (en) Combined cycle power plant
CN110700904A (en) Single working medium combined cycle steam power device
CN111206971A (en) Combined cycle power plant
CN110685761A (en) Staged evaporation combined cycle power device
CN110985150A (en) Combined cycle power plant
CN110953025A (en) Combined cycle power plant
CN110700905A (en) Single working medium combined cycle steam power device
WO2022141610A1 (en) Dual-fuel combined circulating steam power device
WO2022141611A1 (en) Dual-fuel combined cycle steam power device
CN110685760A (en) Staged evaporation combined cycle power device
CN106440470B (en) Combined heat and power system
CN113202579A (en) Single-working medium combined cycle power plant
CN110939491A (en) Single working medium combined cycle steam power device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination