CN111189258A - Combined cycle heat pump device - Google Patents

Combined cycle heat pump device Download PDF

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Publication number
CN111189258A
CN111189258A CN201910793183.XA CN201910793183A CN111189258A CN 111189258 A CN111189258 A CN 111189258A CN 201910793183 A CN201910793183 A CN 201910793183A CN 111189258 A CN111189258 A CN 111189258A
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compressor
communicated
expander
medium channel
heat exchanger
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CN111189258B (en
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李华玉
李鸿瑞
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00—Heat pumps
    • F25B30/02—Heat pumps of the compression type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B21/00—Combinations of two or more machines or engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B23/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
    • F01B23/08—Adaptations for driving, or combinations with, pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • 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

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

Abstract

The invention provides a combined cycle heat pump device, and belongs to the technical field of power, refrigeration and heat pumps. The external part is provided with a working medium channel which is communicated with the compressor through a heat exchanger, the compressor is also provided with a working medium channel which is communicated with the expander through a heat supply device, the expander is also provided with a working medium channel which is communicated with the second compressor through a cooler, and the second compressor is also provided with a working medium channel which is communicated with the external part; the external part is provided with a working medium channel which is communicated with a third compressor, the third compressor is also provided with a working medium channel which is communicated with a second expander through a high-temperature heat exchanger, and the second expander is also provided with a working medium channel which is communicated with the external part through the heat exchanger; the heat supply device is also provided with a heated medium channel, the cooler is also provided with a cooling medium channel, a heat exchanger or a medium-temperature heat medium channel, the high-temperature heat exchanger is also provided with a high-temperature heat source medium channel which are respectively communicated with the outside, and the expander and the second expander are connected with the compressor, the second compressor and the third compressor and transmit power to form the combined cycle heat pump device.

Description

Combined cycle heat pump device
The technical field is as follows:
the invention belongs to the technical field of power, heat supply and heat pumps.
Background art:
heat demand and power demand, which are common in human life and production; in order to reasonably utilize energy, the effective utilization of temperature difference is an important technical measure for realizing human heat demand and power demand. In reality, a high-temperature heat load and a low-temperature heat load often coexist; wherein, temperature difference often exists between low-temperature heat load and the environment, and temperature difference often exists between high-temperature heat load and the heated medium; this requires people to adopt reasonable technical measures to realize the effective utilization of the two, so as to achieve the goal of scientific utilization of energy. In achieving the above objects, various considerations or restrictions are faced, including various factors such as the type, grade and amount of energy, the type, grade and amount of user's demand, the ambient temperature, the type of working medium, the flow, structure and manufacturing cost of the equipment.
The heat energy (temperature difference) utilization technology represented by the absorption heat pump technology can realize the single or combined utilization of the temperature difference between the low-temperature heat load and the environment or the temperature difference between the high-temperature heat load and the heated medium; because of the influence of the properties of the working medium (solution and refrigerant medium), the absorption heat pump technology cannot realize the conversion of heat energy into mechanical energy while supplying heat, and the application field and the application range of the absorption heat pump technology are greatly limited.
The invention takes effective utilization of the temperature difference between the high-temperature heat load and the medium-temperature heat load and the temperature difference between the heated medium and the environment as a basic starting point, responds to higher temperature requirements of heat users, and considers power driving or power output, and provides the combined cycle heat pump device.
The invention content is as follows:
the invention mainly aims to provide a combined cycle heat pump device, and the specific contents are set forth in the following sections:
1. the combined cycle heat pump device mainly comprises a compressor, an expander, a second compressor, a heat supplier, a cooler, a heat exchanger, a third compressor, a second expander and a high-temperature heat exchanger; the external part is provided with a working medium channel which is communicated with the compressor through a heat exchanger, the compressor is also provided with a working medium channel which is communicated with the expander through a heat supply device, the expander is also provided with a working medium channel which is communicated with the second compressor through a cooler, and the second compressor is also provided with a working medium channel which is communicated with the external part; the external part is provided with a working medium channel which is communicated with a third compressor, the third compressor is also provided with a working medium channel which is communicated with a second expander through a high-temperature heat exchanger, and the second expander is also provided with a working medium channel which is communicated with the external part through a heat exchanger; the heat supply device is also provided with a heated medium channel communicated with the outside, the cooler is also provided with a cooling medium channel communicated with the outside, the heat exchanger or the medium-temperature heat medium channel is communicated with the outside, the high-temperature heat exchanger is also provided with a high-temperature heat source medium channel communicated with the outside, and the expander and the second expander are connected with the compressor, the second compressor and the third compressor and transmit power to form the combined cycle heat pump device.
2. The combined cycle heat pump device mainly comprises a compressor, an expander, a second compressor, a heat supplier, a cooler, a heat exchanger, a third compressor, a second expander, a high-temperature heat exchanger, a fourth compressor and a second heat supplier; the external part is provided with a working medium channel which is communicated with the compressor through a heat exchanger, the compressor is also provided with a working medium channel which is communicated with a fourth compressor through a heat supply device, the fourth compressor is also provided with a working medium channel which is communicated with an expander through a second heat supply device, the expander is also provided with a working medium channel which is communicated with the second compressor through a cooler, and the second compressor is also provided with a working medium channel which is communicated with the external part; the external part is provided with a working medium channel which is communicated with a third compressor, the third compressor is also provided with a working medium channel which is communicated with a second expander through a high-temperature heat exchanger, and the second expander is also provided with a working medium channel which is communicated with the external part through a heat exchanger; the heat supply device and the second heat supply device are respectively communicated with the outside through heated medium channels, the cooler is also communicated with the outside through a cooling medium channel, the heat exchanger or the medium-temperature heat medium channel is communicated with the outside, the high-temperature heat exchanger is also communicated with the outside through a high-temperature heat source medium channel, and the expander and the second expander are connected with the compressor, the second compressor, the third compressor and the fourth compressor and transmit power to form the combined cycle heat pump device.
3. The combined cycle heat pump device mainly comprises a compressor, an expander, a second compressor, a heat supplier, a cooler, a heat exchanger, a third compressor, a second expander, a high-temperature heat exchanger, a fourth compressor and a medium-temperature heat exchanger; the external part is provided with a working medium channel which is communicated with the compressor through a heat exchanger, the compressor is also provided with a working medium channel which is communicated with a fourth compressor through an intermediate temperature heat exchanger, the fourth compressor is also provided with a working medium channel which is communicated with an expander through a heat supplier, the expander is also provided with a working medium channel which is communicated with a second compressor through a cooler, and the second compressor is also provided with a working medium channel which is communicated with the external part; the external part is provided with a working medium channel which is communicated with a third compressor, the third compressor is also provided with a working medium channel which is communicated with a second expander through a high-temperature heat exchanger, and the second expander is also provided with a working medium channel which is communicated with the external part through a heat exchanger; the heat supply device is also provided with a heated medium channel communicated with the outside, the cooler is also provided with a cooling medium channel communicated with the outside, the heat exchanger or the medium-temperature heat medium channel is communicated with the outside, the high-temperature heat exchanger is also provided with a high-temperature heat source medium channel communicated with the outside, the medium-temperature heat exchanger is also provided with a medium-temperature heat medium channel communicated with the outside, and the expander and the second expander are connected with the compressor, the second compressor, the third compressor and the fourth compressor and transmit power to form the combined cycle heat pump device.
4. The combined cycle heat pump device mainly comprises a compressor, an expander, a second compressor, a heat supplier, a cooler, a heat exchanger, a third compressor, a second expander, a high-temperature heat exchanger, a fourth compressor and a medium-temperature heat exchanger; the external part is provided with a working medium channel which is communicated with the compressor through a heat exchanger, the compressor is also provided with a working medium channel which is communicated with a fourth compressor through an intermediate temperature heat exchanger, the fourth compressor is also provided with a working medium channel which is communicated with an expander through a heat supplier, the expander is also provided with a working medium channel which is communicated with a second compressor through a cooler, and the second compressor is also provided with a working medium channel which is communicated with the external part; the external part is provided with a working medium channel which is communicated with a third compressor, the third compressor is also provided with a working medium channel which is communicated with a second expander through a high-temperature heat exchanger, and the second expander is also provided with a working medium channel which is communicated with the external part through a medium-temperature heat exchanger and a heat exchanger; the heat supply device is also provided with a heated medium channel communicated with the outside, the cooler is also provided with a cooling medium channel communicated with the outside, the heat exchanger or the medium temperature heat medium channel is communicated with the outside, the high temperature heat exchanger or the high temperature heat source medium channel is communicated with the outside, the medium temperature heat exchanger or the medium temperature heat medium channel is communicated with the outside, and the expander and the second expander are connected with the compressor, the second compressor, the third compressor and the fourth compressor and transmit power to form the combined cycle heat pump device.
5. The combined cycle heat pump device mainly comprises a compressor, an expander, a second compressor, a heat supplier, a cooler, a heat exchanger, a third compressor, a second expander, a high-temperature heat exchanger, a medium-temperature heat exchanger and a third expander; the external part is provided with a working medium channel which is communicated with a third expander through a heat exchanger, the third expander is also provided with a working medium channel which is communicated with a compressor through a medium temperature heat exchanger, the compressor is also provided with a working medium channel which is communicated with the expander through a heat supplier, the expander is also provided with a working medium channel which is communicated with a second compressor through a cooler, and the second compressor is also provided with a working medium channel which is communicated with the external part; the external part is provided with a working medium channel which is communicated with a third compressor, the third compressor is also provided with a working medium channel which is communicated with a second expander through a high-temperature heat exchanger, and the second expander is also provided with a working medium channel which is communicated with the external part through a heat exchanger; the heat supply device is also provided with a heated medium channel communicated with the outside, the cooler is also provided with a cooling medium channel communicated with the outside, the heat exchanger or the medium-temperature heat medium channel is communicated with the outside, the high-temperature heat exchanger is also provided with a high-temperature heat source medium channel communicated with the outside, the medium-temperature heat exchanger is also provided with a medium-temperature heat medium channel communicated with the outside, and the expander, the second expander and the third expander are connected with the compressor, the second compressor and the third compressor and transmit power to form the combined cycle heat pump device.
6. The combined cycle heat pump device mainly comprises a compressor, an expander, a second compressor, a heat supplier, a cooler, a heat exchanger, a third compressor, a second expander, a high-temperature heat exchanger, a medium-temperature heat exchanger and a third expander; the external part is provided with a working medium channel which is communicated with a third expander through a heat exchanger, the third expander is also provided with a working medium channel which is communicated with a compressor through a medium temperature heat exchanger, the compressor is also provided with a working medium channel which is communicated with the expander through a heat supplier, the expander is also provided with a working medium channel which is communicated with a second compressor through a cooler, and the second compressor is also provided with a working medium channel which is communicated with the external part; the external part is provided with a working medium channel which is communicated with a third compressor, the third compressor is also provided with a working medium channel which is communicated with a second expander through a high-temperature heat exchanger, and the second expander is also provided with a working medium channel which is communicated with the external part through a medium-temperature heat exchanger and a heat exchanger; the heat supply device is also provided with a heated medium channel communicated with the outside, the cooler is also provided with a cooling medium channel communicated with the outside, the heat exchanger or the medium temperature heat medium channel is communicated with the outside, the high temperature heat exchanger or the high temperature heat source medium channel is communicated with the outside, the medium temperature heat exchanger or the medium temperature heat medium channel is communicated with the outside, and the expander, the second expander and the third expander are connected with the compressor, the second compressor and the third compressor and transmit power to form the combined cycle heat pump device.
7. The combined cycle heat pump device mainly comprises a compressor, an expander, a second compressor, a heat supplier, a cooler, a heat exchanger, a third compressor, a second expander, a high-temperature heat exchanger, a medium-temperature heat exchanger and a third expander; the external part is provided with a working medium channel which is communicated with the compressor through a heat exchanger, the compressor is also provided with a working medium channel which is communicated with the expander through a heat supply device, the expander is also provided with a working medium channel which is communicated with the second compressor through a cooler, the second compressor is also provided with a working medium channel which is communicated with a third expander through a medium temperature heat exchanger, and the third expander is also provided with a working medium channel which is communicated with the external part; the external part is provided with a working medium channel which is communicated with a third compressor, the third compressor is also provided with a working medium channel which is communicated with a second expander through a high-temperature heat exchanger, and the second expander is also provided with a working medium channel which is communicated with the external part through a heat exchanger; the heat supply device is also provided with a heated medium channel communicated with the outside, the cooler is also provided with a cooling medium channel communicated with the outside, the heat exchanger or the medium-temperature heat medium channel is communicated with the outside, the high-temperature heat exchanger is also provided with a high-temperature heat source medium channel communicated with the outside, the medium-temperature heat exchanger is also provided with a medium-temperature heat medium channel communicated with the outside, and the expander, the second expander and the third expander are connected with the compressor, the second compressor and the third compressor and transmit power to form the combined cycle heat pump device.
8. The combined cycle heat pump device mainly comprises a compressor, an expander, a second compressor, a heat supplier, a cooler, a heat exchanger, a third compressor, a second expander, a high-temperature heat exchanger, a third expander and a second cooler; the external part is provided with a working medium channel which is communicated with the compressor through a heat exchanger, the compressor is also provided with a working medium channel which is communicated with the expander through a heat supply device, the expander is also provided with a working medium channel which is communicated with a third expander through a second cooler, the third expander is also provided with a working medium channel which is communicated with the second compressor through a cooler, and the second compressor is also provided with a working medium channel which is communicated with the external part; the external part is provided with a working medium channel which is communicated with a third compressor, the third compressor is also provided with a working medium channel which is communicated with a second expander through a high-temperature heat exchanger, and the second expander is also provided with a working medium channel which is communicated with the external part through a heat exchanger; the heat supply device is also provided with a heated medium channel communicated with the outside, the cooler and the second cooler are also respectively provided with a cooling medium channel communicated with the outside, the heat exchanger or the medium temperature heat medium channel is communicated with the outside, the high temperature heat exchanger is also provided with a high temperature heat source medium channel communicated with the outside, and the expander, the second expander and the third expander are connected with the compressor, the second compressor and the third compressor and transmit power to form the combined cycle heat pump device.
9. The combined cycle heat pump device mainly comprises a compressor, an expander, a second compressor, a heat supplier, a cooler, a heat exchanger, a third compressor, a second expander, a high-temperature heat exchanger and a heat regenerator; the external part is provided with a working medium channel which is communicated with the compressor through a heat exchanger, the compressor is also provided with a working medium channel which is communicated with the expander through a heat supplier, the expander is also provided with a working medium channel which is communicated with a second compressor through a heat regenerator and a cooler, and the second compressor is also provided with a working medium channel which is communicated with the external part through the heat regenerator; the external part is provided with a working medium channel which is communicated with a third compressor, the third compressor is also provided with a working medium channel which is communicated with a second expander through a high-temperature heat exchanger, and the second expander is also provided with a working medium channel which is communicated with the external part through a heat exchanger; the heat supply device is also provided with a heated medium channel communicated with the outside, the cooler is also provided with a cooling medium channel communicated with the outside, the heat exchanger or the medium-temperature heat medium channel is communicated with the outside, the high-temperature heat exchanger is also provided with a high-temperature heat source medium channel communicated with the outside, and the expander and the second expander are connected with the compressor, the second compressor and the third compressor and transmit power to form the combined cycle heat pump device.
10. The combined cycle heat pump device mainly comprises a compressor, an expander, a second compressor, a heat supplier, a cooler, a heat exchanger, a third compressor, a second expander, a high-temperature heat exchanger and a heat regenerator; the external part is provided with a working medium channel which is communicated with the compressor through a heat exchanger and a heat regenerator, the compressor is provided with a working medium channel which is communicated with the expander through the heat exchanger and the heat regenerator, the expander is also provided with a working medium channel which is communicated with a second compressor through a cooler, and the second compressor is provided with a working medium channel which is communicated with the external part; the external part is provided with a working medium channel which is communicated with a third compressor, the third compressor is also provided with a working medium channel which is communicated with a second expander through a high-temperature heat exchanger, and the second expander is also provided with a working medium channel which is communicated with the external part through a heat exchanger; the heat supply device is also provided with a heated medium channel communicated with the outside, the cooler is also provided with a cooling medium channel communicated with the outside, the heat exchanger or the medium-temperature heat medium channel is communicated with the outside, the high-temperature heat exchanger is also provided with a high-temperature heat source medium channel communicated with the outside, and the expander and the second expander are connected with the compressor, the second compressor and the third compressor and transmit power to form the combined cycle heat pump device.
11. A combined cycle heat pump device, wherein a new heat supplier is added in any one of the combined cycle heat pump devices 1-3, 5, 7, 8 and 10, a working medium channel of a second expander is communicated with the outside through a heat exchanger, the working medium channel of the second expander is adjusted to be communicated with the outside through the new heat supplier and the heat exchanger, and the new heat supplier and a heated medium channel are communicated with the outside to form the combined cycle heat pump device.
12. A combined cycle heat pump device is characterized in that a newly added heat regenerator is added in any one of the combined cycle heat pump devices 1-3, 5, 7, 8 and 10, a working medium channel of a third compressor is communicated with a second expander through a high-temperature heat exchanger and adjusted to be communicated with the second expander through the newly added heat regenerator and the high-temperature heat exchanger, and a working medium channel of the second expander is communicated with the outside through the heat exchanger and adjusted to be communicated with the outside through the newly added heat regenerator and the heat exchanger, so that the combined cycle heat pump device is formed.
13. A combined cycle heat pump device is characterized in that any one of the combined cycle heat pump devices 1-3, 5, 7, 8 and 10 is additionally provided with a newly-added heat supply device and a newly-added heat regenerator, a working medium channel of a third compressor is communicated with a second expander through a high-temperature heat exchanger and adjusted to be communicated with the second expander through the newly-added heat regenerator and the high-temperature heat exchanger, a working medium channel of the second expander is communicated with the outside through the heat exchanger and adjusted to be communicated with the outside through the working medium channel of the second expander through the newly-added heat regenerator, the newly-added heat supply device and the heat exchanger, and the newly-added heat supply device and a heated medium channel are communicated with the outside to form the combined cycle heat pump device.
14. A combined cycle heat pump device, wherein a new heat supplier is added in the combined cycle heat pump device of item 4 or 6, the second expander is adjusted to be communicated with the outside through a medium temperature heat exchanger and a heat exchanger, the second expander is adjusted to be communicated with the outside through a new heat supplier, a medium temperature heat exchanger and a heat exchanger, the new heat supplier and a heated medium channel are communicated with the outside, and the combined cycle heat pump device is formed.
15. A combined cycle heat pump device is characterized in that a newly added heat regenerator is added in the combined cycle heat pump device of item 4 or item 6, a working medium channel of a third compressor is communicated with a second expander through a high-temperature heat exchanger and is adjusted to be communicated with the second expander through the newly added heat regenerator and the high-temperature heat exchanger, a working medium channel of the second expander is communicated with the outside through a medium-temperature heat exchanger and a heat exchanger and is adjusted to be communicated with the outside through a working medium channel of the second expander through the newly added heat regenerator, the medium-temperature heat exchanger and the heat exchanger, and the combined cycle heat pump device is formed.
16. A combined cycle heat pump device, which is characterized in that a newly added heat supply device and a newly added heat regenerator are added in the combined cycle heat pump device of item 4 or item 6, a working medium channel of a third compressor is communicated with a second expander through a high temperature heat exchanger and is adjusted to be communicated with the second expander through the newly added heat regenerator and the high temperature heat exchanger, a working medium channel of the second expander is communicated with the outside through a medium temperature heat exchanger and a heat exchanger and is adjusted to be communicated with the outside through the newly added heat supply device, the medium temperature heat exchanger and the heat exchanger, and the newly added heat supply device and a heated medium channel are communicated with the outside to form the combined cycle heat pump device.
17. A combined cycle heat pump device, wherein a new heat supplier is added to the combined cycle heat pump device of item 9, the second expander is adjusted to have a working medium channel communicated with the outside through a heat exchanger, the second expander has a working medium channel communicated with the outside through the new heat supplier and the heat exchanger, and the new heat supplier and a heated medium channel are communicated with the outside to form the combined cycle heat pump device.
18. A combined cycle heat pump device, wherein a newly added heat regenerator is added in the combined cycle heat pump device of item 9, a working medium channel of a third compressor is communicated with a second expander through a high temperature heat exchanger and is adjusted to be communicated with the second expander through the newly added heat regenerator and the high temperature heat exchanger, a working medium channel of the second expander is communicated with the outside through the heat exchanger and is adjusted to be communicated with the outside through the newly added heat regenerator and the heat exchanger, and the combined cycle heat pump device is formed.
19. A combined cycle heat pump device, wherein a newly added heat supplier and a newly added heat regenerator are added to the combined cycle heat pump device of item 9, the communication between a working medium channel of a third compressor and a second expander through a high temperature heat exchanger is adjusted to be that the third compressor has the working medium channel which is communicated with the second expander through the newly added heat regenerator and the high temperature heat exchanger, the communication between the working medium channel of the second expander and the outside through the heat exchanger is adjusted to be that the second expander has the working medium channel which is communicated with the outside through the newly added heat regenerator, the newly added heat supplier and the heat exchanger, and the newly added heat supplier and a heated medium channel are communicated with the outside to form the combined cycle heat pump device.
20. A combined cycle heat pump device, wherein in any one of the combined cycle heat pump devices 1 to 8 and 10 to 16, a working medium passage provided outside is communicated with a third compressor, a working medium passage provided in a second compressor is communicated with the outside, and the working medium passage provided in the second compressor is also adjusted to be communicated with the third compressor, thereby forming the combined cycle heat pump device.
21. A combined cycle heat pump device, in any one of the combined cycle heat pump devices 9 and 17-19, a working medium channel arranged outside is communicated with a third compressor, a working medium channel arranged on a second compressor is communicated with the outside through a heat regenerator, and the working medium channel arranged on the second compressor is also adjusted to be communicated with the third compressor through the heat regenerator, so that the combined cycle heat pump device is formed.
22. A combined cycle heat pump device is characterized in that a power machine is added in any one of the combined cycle heat pump devices 1-21, the power machine is connected with a compressor and provides power for the compressor to form the combined cycle heat pump device driven by additional external power.
23. A combined cycle heat pump device, which is a combined cycle heat pump device that is added with a working machine in any one of the combined cycle heat pump devices 1 to 21, wherein the second expansion machine is connected with the working machine and provides power for the working machine to form an additional power load provided for the outside.
Description of the drawings:
fig. 1 is a schematic thermodynamic system diagram of a 1 st embodiment of a combined cycle heat pump apparatus according to the present invention.
Fig. 2 is a schematic thermodynamic system diagram of a 2 nd principle of a combined cycle heat pump apparatus according to the present invention.
Fig. 3 is a 3 rd principle thermodynamic system diagram of a combined cycle heat pump apparatus provided in accordance with the present invention.
Fig. 4 is a diagram of a 4 th principle thermodynamic system of a combined cycle heat pump apparatus provided in accordance with the present invention.
Fig. 5 is a diagram of a 5 th principal thermodynamic system of a combined cycle heat pump apparatus provided in accordance with the present invention.
Fig. 6 is a 6 th principle thermodynamic system diagram of a combined cycle heat pump apparatus provided in accordance with the present invention.
Fig. 7 is a 7 th principle thermodynamic system diagram of a combined cycle heat pump apparatus provided in accordance with the present invention.
Fig. 8 is a diagram of an 8 th principle thermodynamic system of a combined cycle heat pump apparatus provided in accordance with the present invention.
Fig. 9 is a diagram of a 9 th principal thermodynamic system of a combined cycle heat pump apparatus provided in accordance with the present invention.
Fig. 10 is a diagram of a 10 th principal thermodynamic system of a combined cycle heat pump apparatus provided in accordance with the present invention.
Fig. 11 is a diagram of a principal 11 thermodynamic system of a combined cycle heat pump apparatus according to the present invention.
Fig. 12 is a 12 th principle thermodynamic system diagram of a combined cycle heat pump apparatus provided in accordance with the present invention.
Fig. 13 is a 13 th principal thermodynamic system diagram of a combined cycle heat pump apparatus provided in accordance with the present invention.
Fig. 14 is a diagram of a 14 th principle thermodynamic system of a combined cycle heat pump apparatus according to the present invention.
In the figure, 1-compressor, 2-expander, 3-second compressor, 4-cooler, 5-heater, 6-heat exchanger, 7-third compressor, 8-second expander, 9-high temperature heat exchanger, 10-third compressor, 11-second heater, 12-medium temperature heat exchanger, 13-third expander, 14-second cooler, 15-regenerator; a-adding a heat exchanger and B-adding a heat exchanger.
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 heat pump apparatus shown in fig. 1 is realized by:
(1) structurally, the heat exchanger mainly comprises a compressor, an expander, a second compressor, a heat supplier, a cooler, a heat exchanger, a third compressor, a second expander and a high-temperature heat exchanger; the external part is provided with a working medium channel which is communicated with the compressor 1 through a heat exchanger 6, the compressor 1 is also provided with a working medium channel which is communicated with the expander 2 through a heat supply device 4, the expander 2 is also provided with a working medium channel which is communicated with the second compressor 3 through a cooler 5, and the second compressor 3 is also provided with a working medium channel which is communicated with the external part; the outside is provided with a working medium channel which is communicated with a third compressor 7, the third compressor 7 is also provided with a working medium channel which is communicated with a second expander 8 through a high-temperature heat exchanger 9, and the second expander 8 is also provided with a working medium channel which is communicated with the outside through a heat exchanger 6; the heat supply device 4 is also communicated with the outside through a heated medium channel, the cooler 5 is also communicated with the outside through a cooling medium channel, the heat exchanger 6 is also communicated with the outside through a medium temperature heat medium channel, the high temperature heat exchanger 9 is also communicated with the outside through a high temperature heat source medium channel, and the expander 2 and the second expander 8 are connected with the compressor 1, the second compressor 3 and the third compressor 7 and transmit power.
(2) In the process, the first path of external working medium flows through the heat exchanger 6 to absorb heat, then flows through the compressor 1 to increase the pressure and raise the temperature, flows through the heat supply device 4 to release heat, flows through the expansion machine 2 to reduce the pressure and do work, flows through the cooler 5 to release heat, flows through the second compressor 3 to increase the pressure and raise the temperature, and then is discharged outwards; the second path of external working medium flows through the third compressor 7 to increase the pressure and the temperature, flows through the high-temperature heat exchanger 9 to absorb heat, flows through the second expander 8 to reduce the pressure and do work, flows through the heat exchanger 6 to release heat, and then is discharged outwards; the first path of working medium provides medium-temperature heat load through an inlet-outlet flow, the heated medium takes secondary high-temperature heat load through the heat supply device 4, the cooling medium takes low-temperature heat load through the cooler 5, the medium-temperature heat load is provided by the medium-temperature heat medium through the heat exchanger 6, the high-temperature heat load is provided by the high-temperature heat source medium through the high-temperature heat exchanger 9, and the work output by the expander 2 and the second expander 8 is provided for the compressor 1, the second compressor 3 and the third compressor 7 as power, so that the combined cycle heat pump device is formed.
The combined cycle heat pump apparatus shown in fig. 2 is realized by:
(1) structurally, the heat pump system mainly comprises a compressor, an expander, a second compressor, a heat supplier, a cooler, a heat exchanger, a third compressor, a second expander, a high-temperature heat exchanger, a fourth compressor and a second heat supplier; the external part is provided with a working medium channel which is communicated with the compressor 1 through a heat exchanger 6, the compressor 1 is also provided with a working medium channel which is communicated with a fourth compressor 10 through a heat supplier 4, the fourth compressor 10 is also provided with a working medium channel which is communicated with the expander 2 through a second heat supplier 11, the expander 2 is also provided with a working medium channel which is communicated with the second compressor 3 through a cooler 5, and the second compressor 3 is also provided with a working medium channel which is communicated with the external part; the outside is provided with a working medium channel which is communicated with a third compressor 7, the third compressor 7 is also provided with a working medium channel which is communicated with a second expander 8 through a high-temperature heat exchanger 9, and the second expander 8 is also provided with a working medium channel which is communicated with the outside through a heat exchanger 6; the heat supply device 4 and the second heat supply device 11 are also respectively communicated with the outside through heated medium channels, the cooler 5 is also communicated with the outside through cooling medium channels, the heat exchanger 6 is also communicated with the outside through medium-temperature heat medium channels, the high-temperature heat exchanger 9 is also communicated with the outside through high-temperature heat source medium channels, and the expander 2 and the second expander 8 are connected with the compressor 1, the second compressor 3, the third compressor 7 and the fourth compressor 10 and transmit power.
(2) In the process, a first path of external working medium flows through the heat exchanger 6 to absorb heat, then flows through the compressor 1 to increase the pressure and raise the temperature, flows through the heat supplier 4 to release heat, flows through the fourth compressor 10 to increase the pressure and raise the temperature, flows through the second heat supplier 11 to release heat, flows through the expander 2 to reduce the pressure and do work, flows through the cooler 5 to release heat, flows through the second compressor 3 to increase the pressure and raise the temperature, and then is discharged outwards; the second path of external working medium flows through the third compressor 7 to increase the pressure and the temperature, flows through the high-temperature heat exchanger 9 to absorb heat, flows through the second expander 8 to reduce the pressure and do work, flows through the heat exchanger 6 to release heat, and then is discharged outwards; the first path of working medium provides medium-temperature heat load through an inlet-outlet flow, the heated medium takes secondary high-temperature heat load through the heat supplier 4 and the second heat supplier 11, the cooling medium takes low-temperature heat load through the cooler 5, the medium-temperature heat load is provided by the medium-temperature heat medium through the heat exchanger 6, the high-temperature heat load is provided by the high-temperature heat source medium through the high-temperature heat exchanger 9, and the work output by the expander 2 and the second expander 8 is provided for the compressor 1, the second compressor 3, the third compressor 7 and the fourth compressor 10 as power, so that the combined cycle heat pump device is formed.
The combined cycle heat pump apparatus shown in fig. 3 is realized by:
(1) structurally, the heat exchanger mainly comprises a compressor, an expander, a second compressor, a heat supplier, a cooler, a heat exchanger, a third compressor, a second expander, a high-temperature heat exchanger, a fourth compressor and a medium-temperature heat exchanger; a working medium channel is arranged outside and is communicated with the compressor 1 through a heat exchanger 6, the compressor 1 is also communicated with a fourth compressor 10 through an intermediate temperature heat exchanger 12, the fourth compressor 10 is also communicated with the expander 2 through a heat supply device 4, the expander 2 is also communicated with the second compressor 3 through a cooler 5, and the second compressor 3 is also communicated with the outside through a working medium channel; the outside is provided with a working medium channel which is communicated with a third compressor 7, the third compressor 7 is also provided with a working medium channel which is communicated with a second expander 8 through a high-temperature heat exchanger 9, and the second expander 8 is also provided with a working medium channel which is communicated with the outside through a heat exchanger 6; the heat supply device 4 is also communicated with the outside through a heated medium channel, the cooler 5 is also communicated with the outside through a cooling medium channel, the heat exchanger 6 is also communicated with the outside through a medium-temperature heat medium channel, the high-temperature heat exchanger 9 is also communicated with the outside through a high-temperature heat source medium channel, the medium-temperature heat exchanger 12 is also communicated with the outside through a medium-temperature heat medium channel, and the expander 2 and the second expander 8 are connected with the compressor 1, the second compressor 3, the third compressor 7 and the fourth compressor 10 and transmit power.
(2) In the process, the first path of external working medium flows through the heat exchanger 6 to absorb heat, then flows through the compressor 1 to increase the pressure and raise the temperature, flows through the intermediate temperature heat exchanger 12 to absorb heat, flows through the fourth compressor 10 to increase the pressure and raise the temperature, flows through the heat supplier 4 to release heat, flows through the expander 2 to reduce the pressure and do work, flows through the cooler 5 to release heat, flows through the second compressor 3 to increase the pressure and raise the temperature, and then is discharged outwards; the second path of external working medium flows through the third compressor 7 to increase the pressure and the temperature, flows through the high-temperature heat exchanger 9 to absorb heat, flows through the second expander 8 to reduce the pressure and do work, flows through the heat exchanger 6 to release heat, and then is discharged outwards; the first path of working medium provides medium-temperature heat load through an inlet-outlet flow, the heated medium takes secondary high-temperature heat load through the heat supply device 4, the cooling medium takes low-temperature heat load through the cooler 5, the medium-temperature heat load is provided by the medium-temperature heat medium through the heat exchanger 6 and the medium-temperature heat exchanger 12, the high-temperature heat load is provided by the high-temperature heat source medium through the high-temperature heat exchanger 9, and the work output by the expander 2 and the second expander 8 is provided for the compressor 1, the second compressor 3, the third compressor 7 and the fourth compressor 10 as power, so that the combined cycle heat pump device is formed.
The combined cycle heat pump apparatus shown in fig. 4 is realized by:
(1) structurally, the heat exchanger mainly comprises a compressor, an expander, a second compressor, a heat supplier, a cooler, a heat exchanger, a third compressor, a second expander, a high-temperature heat exchanger, a fourth compressor and a medium-temperature heat exchanger; a working medium channel is arranged outside and is communicated with the compressor 1 through a heat exchanger 6, the compressor 1 is also communicated with a fourth compressor 10 through an intermediate temperature heat exchanger 12, the fourth compressor 10 is also communicated with the expander 2 through a heat supply device 4, the expander 2 is also communicated with the second compressor 3 through a cooler 5, and the second compressor 3 is also communicated with the outside through a working medium channel; a working medium channel is arranged outside and communicated with a third compressor 7, the third compressor 7 is also communicated with a second expander 8 through a high-temperature heat exchanger 9, and the second expander 8 is also communicated with the outside through a medium-temperature heat exchanger 12 and a heat exchanger 6; the heat supply device 4 is also communicated with the outside through a heated medium channel, the cooler 5 is also communicated with the outside through a cooling medium channel, the heat exchanger 6 is also communicated with the outside through a medium-temperature heat medium channel, the high-temperature heat exchanger 9 is also communicated with the outside through a high-temperature heat source medium channel, the medium-temperature heat exchanger 12 is also communicated with the outside through a medium-temperature heat medium channel, and the expander 2 and the second expander 8 are connected with the compressor 1, the second compressor 3, the third compressor 7 and the fourth compressor 10 and transmit power.
(2) In the process, the first path of external working medium flows through the heat exchanger 6 to absorb heat, then flows through the compressor 1 to increase the pressure and raise the temperature, flows through the intermediate temperature heat exchanger 12 to absorb heat, flows through the fourth compressor 10 to increase the pressure and raise the temperature, flows through the heat supplier 4 to release heat, flows through the expander 2 to reduce the pressure and do work, flows through the cooler 5 to release heat, flows through the second compressor 3 to increase the pressure and raise the temperature, and then is discharged outwards; the second path of external working medium flows through the third compressor 7 to increase the pressure and the temperature, flows through the high-temperature heat exchanger 9 to absorb heat, flows through the second expander 8 to reduce the pressure and do work, flows through the medium-temperature heat exchanger 12 and the heat exchanger 6 to gradually release heat, and then is discharged outwards; the first path of working medium provides medium-temperature heat load through an inlet-outlet flow, the heated medium takes secondary high-temperature heat load through the heat supply device 4, the cooling medium takes low-temperature heat load through the cooler 5, the medium-temperature heat medium provides medium-temperature heat load through the medium-temperature heat exchanger 12 and the heat exchanger 6, the high-temperature heat source medium provides high-temperature heat load through the high-temperature heat exchanger 9, and the work output by the expander 2 and the second expander 8 is provided for the compressor 1, the second compressor 3, the third compressor 7 and the fourth compressor 10 as power, so that the combined cycle heat pump device is formed.
The combined cycle heat pump apparatus shown in fig. 5 is realized by:
(1) structurally, the heat exchanger mainly comprises a compressor, an expander, a second compressor, a heat supplier, a cooler, a heat exchanger, a third compressor, a second expander, a high-temperature heat exchanger, a medium-temperature heat exchanger and a third expander; a working medium channel is arranged outside and is communicated with a third expander 13 through a heat exchanger 6, the third expander 13 and the working medium channel are communicated with a compressor 1 through an intermediate temperature heat exchanger 12, the compressor 1 and the working medium channel are communicated with an expander 2 through a heat supplier 4, the expander 2 and the working medium channel are communicated with a second compressor 3 through a cooler 5, and the second compressor 3 and the working medium channel are communicated with the outside; the outside is provided with a working medium channel which is communicated with a third compressor 7, the third compressor 7 is also provided with a working medium channel which is communicated with a second expander 8 through a high-temperature heat exchanger 9, and the second expander 8 is also provided with a working medium channel which is communicated with the outside through a heat exchanger 6; the heat supply device 4 is also communicated with the outside through a heated medium channel, the cooler 5 is also communicated with the outside through a cooling medium channel, the heat exchanger 6 is also communicated with the outside through a medium-temperature heat medium channel, the high-temperature heat exchanger 9 is also communicated with the outside through a high-temperature heat source medium channel, the medium-temperature heat exchanger 12 is also communicated with the outside through a medium-temperature heat medium channel, and the expander 2, the second expander 8 and the third expander 13 are connected with the compressor 1, the second compressor 3 and the third compressor 7 and transmit power.
(2) In the process, the first path of external working medium flows through the heat exchanger 6 to absorb heat, then flows through the third expander 13 to reduce the pressure and do work, flows through the middle-temperature heat exchanger 12 to absorb heat, flows through the compressor 1 to increase the pressure and temperature, flows through the heat supplier 4 to release heat, flows through the expander 2 to reduce the pressure and do work, flows through the cooler 5 to release heat, flows through the second compressor 3 to increase the pressure and temperature, and then is discharged outwards; the second path of external working medium flows through the third compressor 7 to increase the pressure and the temperature, flows through the high-temperature heat exchanger 9 to absorb heat, flows through the second expander 8 to reduce the pressure and do work, flows through the heat exchanger 6 to release heat, and then is discharged outwards; the first path of working medium provides medium-temperature heat load through an inlet-outlet flow, the heated medium takes secondary high-temperature heat load through the heat supply device 4, the cooling medium takes low-temperature heat load through the cooler 5, the medium-temperature heat load is provided by the medium-temperature heat medium through the medium-temperature heat exchanger 12 and the heat exchanger 6, the high-temperature heat load is provided by the high-temperature heat source medium through the high-temperature heat exchanger 9, and the work output by the expander 2, the second expander 8 and the third expander 13 is provided for the compressor 1, the second compressor 3 and the third compressor 7 as power, so that the combined cycle heat pump device is formed.
The combined cycle heat pump apparatus shown in fig. 6 is realized by:
(1) structurally, the heat exchanger mainly comprises a compressor, an expander, a second compressor, a heat supplier, a cooler, a heat exchanger, a third compressor, a second expander, a high-temperature heat exchanger, a medium-temperature heat exchanger and a third expander; a working medium channel is arranged outside and is communicated with a third expander 13 through a heat exchanger 6, the third expander 13 and the working medium channel are communicated with a compressor 1 through an intermediate temperature heat exchanger 12, the compressor 1 and the working medium channel are communicated with an expander 2 through a heat supplier 4, the expander 2 and the working medium channel are communicated with a second compressor 3 through a cooler 5, and the second compressor 3 and the working medium channel are communicated with the outside; a working medium channel is arranged outside and communicated with a third compressor 7, the third compressor 7 is also communicated with a second expander 8 through a high-temperature heat exchanger 9, and the second expander 8 is also communicated with the outside through a medium-temperature heat exchanger 12 and a heat exchanger 6; the heat supply device 4 is also communicated with the outside through a heated medium channel, the cooler 5 is also communicated with the outside through a cooling medium channel, the heat exchanger 6 is also communicated with the outside through a medium-temperature heat medium channel, the high-temperature heat exchanger 9 is also communicated with the outside through a high-temperature heat source medium channel, the medium-temperature heat exchanger 12 or the medium-temperature heat medium channel is also communicated with the outside, and the expander 2, the second expander 8 and the third expander 13 are connected with the compressor 1, the second compressor 3 and the third compressor 7 and transmit power.
(2) In the process, the first path of external working medium flows through the heat exchanger 6 to absorb heat, then flows through the third expander 13 to reduce the pressure and do work, flows through the middle-temperature heat exchanger 12 to absorb heat, flows through the compressor 1 to increase the pressure and temperature, flows through the heat supplier 4 to release heat, flows through the expander 2 to reduce the pressure and do work, flows through the cooler 5 to release heat, flows through the second compressor 3 to increase the pressure and temperature, and then is discharged outwards; the second path of external working medium flows through the third compressor 7 to increase the pressure and the temperature, flows through the high-temperature heat exchanger 9 to absorb heat, flows through the second expander 8 to reduce the pressure and do work, flows through the medium-temperature heat exchanger 12 and the heat exchanger 6 to gradually release heat, and then is discharged outwards; the first path of working medium provides medium-temperature heat load through an inlet-outlet flow, the heated medium takes secondary high-temperature heat load through the heat supply device 4, the cooling medium takes low-temperature heat load through the cooler 5, the medium-temperature heat load is provided by the medium-temperature heat medium through the medium-temperature heat exchanger 12 and the heat exchanger 6, the high-temperature heat load is provided by the high-temperature heat source medium through the high-temperature heat exchanger 9, and the work output by the expander 2, the second expander 8 and the third expander 13 is provided for the compressor 1, the second compressor 3 and the third compressor 7 as power, so that the combined cycle heat pump device is formed.
The combined cycle heat pump apparatus shown in fig. 7 is realized by:
(1) structurally, the heat exchanger mainly comprises a compressor, an expander, a second compressor, a heat supplier, a cooler, a heat exchanger, a third compressor, a second expander, a high-temperature heat exchanger, a medium-temperature heat exchanger and a third expander; the external part is provided with a working medium channel which is communicated with the compressor 1 through a heat exchanger 6, the compressor 1 is also provided with a working medium channel which is communicated with the expander 2 through a heat supply device 4, the expander 2 is also provided with a working medium channel which is communicated with the second compressor 3 through a cooler 5, the second compressor 3 is also provided with a working medium channel which is communicated with a third expander 13 through a medium temperature heat exchanger 12, and the third expander 13 is also provided with a working medium channel which is communicated with the external part; the outside is provided with a working medium channel which is communicated with a third compressor 7, the third compressor 7 is also provided with a working medium channel which is communicated with a second expander 8 through a high-temperature heat exchanger 9, and the second expander 8 is also provided with a working medium channel which is communicated with the outside through a heat exchanger 6; the heat supply device 4 is also communicated with the outside through a heated medium channel, the cooler 5 is also communicated with the outside through a cooling medium channel, the heat exchanger 6 is also communicated with the outside through a medium-temperature heat medium channel, the high-temperature heat exchanger 9 is also communicated with the outside through a high-temperature heat source medium channel, the medium-temperature heat exchanger 12 is also communicated with the outside through a medium-temperature heat medium channel, and the expander 2, the second expander 8 and the third expander 13 are connected with the compressor 1, the second compressor 3 and the third compressor 7 and transmit power.
(2) In the process, a first path of external working medium flows through the heat exchanger 6 to absorb heat, then flows through the compressor 1 to increase the pressure and raise the temperature, flows through the heat supplier 4 to release heat, flows through the expander 2 to reduce the pressure and do work, flows through the cooler 5 to release heat, flows through the second compressor 3 to increase the pressure and raise the temperature, flows through the medium-temperature heat exchanger 12 to absorb heat, flows through the third expander 13 to reduce the pressure and do work, and then is discharged outwards; the second path of external working medium flows through the third compressor 7 to increase the pressure and the temperature, flows through the high-temperature heat exchanger 9 to absorb heat, flows through the second expander 8 to reduce the pressure and do work, flows through the heat exchanger 6 to release heat, and then is discharged outwards; the first path of working medium provides medium-temperature heat load through an inlet-outlet flow, the heated medium takes secondary high-temperature heat load through the heat supply device 4, the cooling medium takes low-temperature heat load through the cooler 5, the medium-temperature heat load is provided by the medium-temperature heat medium through the medium-temperature heat exchanger 12 and the heat exchanger 6, the high-temperature heat load is provided by the high-temperature heat source medium through the high-temperature heat exchanger 9, and the work output by the expander 2, the second expander 8 and the third expander 13 is provided for the compressor 1, the second compressor 3 and the third compressor 7 as power, so that the combined cycle heat pump device is formed.
The combined cycle heat pump apparatus shown in fig. 8 is realized by:
(1) structurally, the heat exchanger mainly comprises a compressor, an expander, a second compressor, a heat supplier, a cooler, a heat exchanger, a third compressor, a second expander, a high-temperature heat exchanger, a third expander and a second cooler; the external part is provided with a working medium channel which is communicated with the compressor 1 through a heat exchanger 6, the compressor 1 is also provided with a working medium channel which is communicated with the expander 2 through a heat supply device 4, the expander 2 is also provided with a working medium channel which is communicated with a third expander 13 through a second cooler 14, the third expander 13 is also provided with a working medium channel which is communicated with the second compressor 3 through a cooler 5, and the second compressor 3 is also provided with a working medium channel which is communicated with the external part; the outside is provided with a working medium channel which is communicated with a third compressor 7, the third compressor 7 is also provided with a working medium channel which is communicated with a second expander 8 through a high-temperature heat exchanger 9, and the second expander 8 is also provided with a working medium channel which is communicated with the outside through a heat exchanger 6; the heat supply device 4 is also communicated with the outside through a heated medium channel, the cooler 5 and the second cooler 14 are also respectively communicated with the outside through a cooling medium channel, the heat exchanger 6 is also communicated with the outside through a medium temperature heat medium channel, the high-temperature heat exchanger 9 is also communicated with the outside through a high-temperature heat source medium channel, and the expander 2, the second expander 8 and the third expander 13 are connected with the compressor 1, the second compressor 3 and the third compressor 7 and transmit power.
(2) In the process, a first path of external working medium flows through the heat exchanger 6 to absorb heat, then flows through the compressor 1 to increase the pressure and raise the temperature, flows through the heat supply device 4 to release heat, flows through the expansion machine 2 to reduce the pressure and do work, flows through the second cooler 14 to release heat, flows through the third expansion machine 13 to reduce the pressure and do work, flows through the cooler 5 to release heat, flows through the second compressor 3 to increase the pressure and raise the temperature, and then is discharged outwards; the second path of external working medium flows through the third compressor 7 to increase the pressure and the temperature, flows through the high-temperature heat exchanger 9 to absorb heat, flows through the second expander 8 to reduce the pressure and do work, flows through the heat exchanger 6 to release heat, and then is discharged outwards; the first path of working medium provides medium-temperature heat load through an inlet-outlet flow, the heated medium takes secondary high-temperature heat load through the heat supply device 4, the cooling medium takes low-temperature heat load through the cooler 5 and the second cooler 14, the medium-temperature heat load is provided by the medium-temperature heat medium through the heat exchanger 6, the high-temperature heat load is provided by the high-temperature heat source medium through the high-temperature heat exchanger 9, and the work output by the expander 2, the second expander 8 and the third expander 13 is provided for the compressor 1, the second compressor 3 and the third compressor 7 as power, so that the combined cycle heat pump device is formed.
The combined cycle heat pump apparatus shown in fig. 9 is realized by:
(1) structurally, the heat recovery system mainly comprises a compressor, an expander, a second compressor, a heat supply device, a cooler, a heat exchanger, a third compressor, a second expander, a high-temperature heat exchanger and a heat regenerator; the external part is provided with a working medium channel which is communicated with the compressor 1 through a heat exchanger 6, the compressor 1 is also provided with a working medium channel which is communicated with the expander 2 through a heat supplier 4, the expander 2 is also provided with a working medium channel which is communicated with the second compressor 3 through a heat regenerator 15 and a cooler 5, and the second compressor 3 is also provided with a working medium channel which is communicated with the external part through the heat regenerator 15; the outside is provided with a working medium channel which is communicated with a third compressor 7, the third compressor 7 is also provided with a working medium channel which is communicated with a second expander 8 through a high-temperature heat exchanger 9, and the second expander 8 is also provided with a working medium channel which is communicated with the outside through a heat exchanger 6; the heat supply device 4 is also communicated with the outside through a heated medium channel, the cooler 5 is also communicated with the outside through a cooling medium channel, the heat exchanger 6 is also communicated with the outside through a medium temperature heat medium channel, the high temperature heat exchanger 9 is also communicated with the outside through a high temperature heat source medium channel, and the expander 2 and the second expander 8 are connected with the compressor 1, the second compressor 3 and the third compressor 7 and transmit power.
(2) In the process, the first path of external working medium flows through the heat exchanger 6 to absorb heat, then flows through the compressor 1 to increase the pressure and raise the temperature, flows through the heat supplier 4 to release heat, flows through the expander 2 to reduce the pressure and do work, flows through the heat regenerator 15 and the cooler 5 to gradually release heat, flows through the second compressor 3 to increase the pressure and raise the temperature, flows through the heat regenerator 15 to absorb heat, and then is discharged outwards; the second path of external working medium flows through the third compressor 7 to increase the pressure and the temperature, flows through the high-temperature heat exchanger 9 to absorb heat, flows through the second expander 8 to reduce the pressure and do work, flows through the heat exchanger 6 to release heat, and then is discharged outwards; the first path of working medium provides medium-temperature heat load through an inlet-outlet flow, the heated medium takes secondary high-temperature heat load through the heat supply device 4, the cooling medium takes low-temperature heat load through the cooler 5, the medium-temperature heat load is provided by the medium-temperature heat medium through the heat exchanger 6, the high-temperature heat load is provided by the high-temperature heat source medium through the high-temperature heat exchanger 9, and the work output by the expander 2 and the second expander 8 is provided for the compressor 1, the second compressor 3 and the third compressor 7 as power, so that the combined cycle heat pump device is formed.
The combined cycle heat pump apparatus shown in fig. 10 is realized by:
(1) structurally, the heat recovery system mainly comprises a compressor, an expander, a second compressor, a heat supply device, a cooler, a heat exchanger, a third compressor, a second expander, a high-temperature heat exchanger and a heat regenerator; the external part is provided with a working medium channel which is communicated with the compressor 1 through the heat exchanger 6 and the heat regenerator 15, the compressor 1 is provided with a working medium channel which is communicated with the expander 2 through the heat exchanger 4 and the heat regenerator 15, the expander 2 and the working medium channel are communicated with the second compressor 3 through the cooler 5, and the second compressor 3 is provided with a working medium channel which is communicated with the external part; the outside is provided with a working medium channel which is communicated with a third compressor 7, the third compressor 7 is also provided with a working medium channel which is communicated with a second expander 8 through a high-temperature heat exchanger 9, and the second expander 8 is also provided with a working medium channel which is communicated with the outside through a heat exchanger 6; the heat supply device 4 is also communicated with the outside through a heated medium channel, the cooler 5 is also communicated with the outside through a cooling medium channel, the heat exchanger 6 is also communicated with the outside through a medium temperature heat medium channel, the high temperature heat exchanger 9 is also communicated with the outside through a high temperature heat source medium channel, and the expander 2 and the second expander 8 are connected with the compressor 1, the second compressor 3 and the third compressor 7 and transmit power.
(2) In the process, the first path of external working medium flows through the heat exchanger 6 and the heat regenerator 15 to absorb heat gradually, then flows through the compressor 1 to increase the pressure and the temperature, flows through the heat supply device 4 and the heat regenerator 15 to release heat gradually, flows through the expander 2 to reduce the pressure and do work, flows through the cooler 5 to release heat, flows through the second compressor 3 to increase the pressure and the temperature, and then is discharged outwards; the second path of external working medium flows through the third compressor 7 to increase the pressure and the temperature, flows through the high-temperature heat exchanger 9 to absorb heat, flows through the second expander 8 to reduce the pressure and do work, flows through the heat exchanger 6 to release heat, and then is discharged outwards; the first path of working medium provides medium-temperature heat load through an inlet-outlet flow, the heated medium takes secondary high-temperature heat load through the heat supply device 4, the cooling medium takes low-temperature heat load through the cooler 5, the medium-temperature heat load is provided by the medium-temperature heat medium through the heat exchanger 6, the high-temperature heat load is provided by the high-temperature heat source medium through the high-temperature heat exchanger 9, and the work output by the expander 2 and the second expander 8 is provided for the compressor 1, the second compressor 3 and the third compressor 7 as power, so that the combined cycle heat pump device is formed.
The combined cycle heat pump apparatus shown in fig. 11 is realized by:
(1) structurally, in the combined cycle heat pump apparatus shown in fig. 1, a new heat supplier is added, and the second expander 8 having a working medium passage communicated with the outside through the heat exchanger 6 is adjusted so that the second expander 8 having a working medium passage communicated with the outside through the new heat supplier a and the heat exchanger 6, and the new heat supplier a also having a heated medium passage communicated with the outside.
(2) In the flow, compared with the flow of the combined cycle heat pump device shown in fig. 1, the difference is that the working medium discharged from the second expander 8 flows through the additional heat supplier a and the heat exchanger 6 and gradually releases heat, and then is discharged to the outside, so that the combined cycle heat pump device is formed.
The combined cycle heat pump apparatus shown in fig. 12 is realized by:
(1) structurally, in the combined cycle heat pump apparatus shown in fig. 1, a new heat regenerator is added, a working medium channel of the third compressor 7 is communicated with the second expander 8 through the high temperature heat exchanger 9 and adjusted to be communicated with the second expander 8 through the new heat regenerator B and the high temperature heat exchanger 9, a working medium channel of the second expander 8 is communicated with the outside through the heat exchanger 6 and adjusted to be communicated with the outside through the second expander 8 and the new heat regenerator B and the heat exchanger 6.
(2) Compared with the flow of the combined cycle heat pump device shown in fig. 1, the difference in the flow is that the working medium discharged from the third compressor 7 flows through the newly added heat regenerator B and the high temperature heat exchanger 9 and gradually absorbs heat, flows through the second expander 8 and reduces pressure to do work, flows through the newly added heat regenerator B and the heat exchanger 6 and gradually releases heat, and then is discharged to the outside, thereby forming the combined cycle heat pump device.
The combined cycle heat pump apparatus shown in fig. 13 is realized by:
(1) structurally, in the combined cycle heat pump apparatus shown in fig. 1, the working medium passage provided in the outside is communicated with the third compressor 7, and the working medium passage provided in the second compressor 3 is communicated with the outside, and the working medium passage provided in the second compressor 3 is also communicated with the third compressor 7.
(2) In the flow, compared with the flow of the combined cycle heat pump apparatus shown in fig. 1, the working medium discharged from the second compressor 3 enters the third compressor 7 to be boosted and heated, thereby forming the combined cycle heat pump apparatus.
The combined cycle heat pump apparatus shown in fig. 14 is realized by:
(1) structurally, in the combined cycle heat pump device shown in fig. 1, a newly added heat exchanger and a newly added heat regenerator are added, a working medium channel of a third compressor 7 is communicated with a second expander 8 through a high-temperature heat exchanger 9 and adjusted to be communicated with the second expander 8 through a newly added heat regenerator B and a high-temperature heat exchanger 9, a working medium channel of the second expander 8 is communicated with the outside through a heat exchanger 6 and adjusted to be communicated with the outside through a working medium channel of the second expander 8 through a newly added heat regenerator B, a newly added heat exchanger A and a heat exchanger 6, and the newly added heat exchanger A and a heated medium channel are communicated with the outside; the working medium channel arranged outside is communicated with the third compressor 7, the working medium channel arranged outside the second compressor 3 is communicated with the outside, and the working medium channel arranged outside the second compressor 3 is communicated with the third compressor 7.
(2) Compared with the flow of the combined cycle heat pump device shown in fig. 1, the difference in the flow is that the working medium discharged from the second compressor 3 enters the third compressor 7 to increase the pressure and the temperature, the working medium discharged from the third compressor 7 flows through the newly-added heat regenerator B and the high-temperature heat exchanger 9 to gradually absorb heat, flows through the second expander 8 to reduce the pressure and do work, flows through the newly-added heat regenerator B, the newly-added heat regenerator A and the heat exchanger 6 to gradually release heat, and then is discharged to the outside, so that the combined cycle heat pump device is formed.
The effect that the technology of the invention can realize-the combined cycle heat pump device provided by the invention has the following effects and advantages:
(1) provides a new idea and a new technology for utilizing the temperature difference.
(2) The heat energy (temperature difference) is driven to realize the temperature increase of the heat energy, or the heat energy and the temperature can be selected to provide power for the outside at the same time.
(3) The process is reasonable, and the full and efficient utilization of heat energy (temperature difference) can be realized.
(4) When necessary, the heat energy temperature is increased by means of external power, the mode is flexible, and the adaptability is good.
(5) The compressor, the expander and the heat exchanger are used as components of the compression heat pump, and the structure is simple.
(6) The double-temperature-difference utilization is realized, the heat supply parameters are improved, and the heat supply range is expanded.
(7) A plurality of specific technical schemes are provided, so that the method can cope with a plurality of different actual conditions and has a wider application range.
(8) The temperature difference utilization technology is expanded, the types of the combined cycle heat pump device are enriched, and efficient utilization of heat energy and mechanical energy is facilitated.

Claims (23)

1. The combined cycle heat pump device mainly comprises a compressor, an expander, a second compressor, a heat supplier, a cooler, a heat exchanger, a third compressor, a second expander and a high-temperature heat exchanger; the external part is provided with a working medium channel which is communicated with the compressor (1) through a heat exchanger (6), the compressor (1) is also provided with a working medium channel which is communicated with the expander (2) through a heat supply device (4), the expander (2) is also provided with a working medium channel which is communicated with the second compressor (3) through a cooler (5), and the second compressor (3) is also provided with a working medium channel which is communicated with the external part; the outside is provided with a working medium channel which is communicated with a third compressor (7), the third compressor (7) is also provided with a working medium channel which is communicated with a second expander (8) through a high-temperature heat exchanger (9), and the second expander (8) is also provided with a working medium channel which is communicated with the outside through a heat exchanger (6); the heat supply device (4) is also provided with a heated medium channel communicated with the outside, the cooler (5) is also provided with a cooling medium channel communicated with the outside, the heat exchanger (6) or a medium-temperature heat medium channel is communicated with the outside, the high-temperature heat exchanger (9) is also provided with a high-temperature heat source medium channel communicated with the outside, and the expander (2) and the second expander (8) are connected with the compressor (1), the second compressor (3) and the third compressor (7) and transmit power to form the combined cycle heat pump device.
2. The combined cycle heat pump device mainly comprises a compressor, an expander, a second compressor, a heat supplier, a cooler, a heat exchanger, a third compressor, a second expander, a high-temperature heat exchanger, a fourth compressor and a second heat supplier; the external part is provided with a working medium channel which is communicated with the compressor (1) through a heat exchanger (6), the compressor (1) is also provided with a working medium channel which is communicated with a fourth compressor (10) through a heat supplier (4), the fourth compressor (10) is also provided with a working medium channel which is communicated with the expander (2) through a second heat supplier (11), the expander (2) is also provided with a working medium channel which is communicated with the second compressor (3) through a cooler (5), and the second compressor (3) is also provided with a working medium channel which is communicated with the external part; the outside is provided with a working medium channel which is communicated with a third compressor (7), the third compressor (7) is also provided with a working medium channel which is communicated with a second expander (8) through a high-temperature heat exchanger (9), and the second expander (8) is also provided with a working medium channel which is communicated with the outside through a heat exchanger (6); the heat supply device (4) and the second heat supply device (11) are also respectively communicated with the outside through heated medium channels, the cooler (5) is also communicated with the outside through a cooling medium channel, the heat exchanger (6) or a medium-temperature heat medium channel is communicated with the outside, the high-temperature heat exchanger (9) is also communicated with the outside through a high-temperature heat source medium channel, and the expander (2) and the second expander (8) are connected with the compressor (1), the second compressor (3), the third compressor (7) and the fourth compressor (10) and transmit power to form the combined cycle heat pump device.
3. The combined cycle heat pump device mainly comprises a compressor, an expander, a second compressor, a heat supplier, a cooler, a heat exchanger, a third compressor, a second expander, a high-temperature heat exchanger, a fourth compressor and a medium-temperature heat exchanger; a working medium channel is arranged outside and is communicated with the compressor (1) through a heat exchanger (6), the compressor (1) is also provided with a working medium channel which is communicated with a fourth compressor (10) through a medium temperature heat exchanger (12), the fourth compressor (10) is also provided with a working medium channel which is communicated with the expander (2) through a heat supplier (4), the expander (2) is also provided with a working medium channel which is communicated with the second compressor (3) through a cooler (5), and the second compressor (3) is also provided with a working medium channel which is communicated with the outside; the outside is provided with a working medium channel which is communicated with a third compressor (7), the third compressor (7) is also provided with a working medium channel which is communicated with a second expander (8) through a high-temperature heat exchanger (9), and the second expander (8) is also provided with a working medium channel which is communicated with the outside through a heat exchanger (6); the heat supply device (4) is also provided with a heated medium channel communicated with the outside, the cooler (5) is also provided with a cooling medium channel communicated with the outside, the heat exchanger (6) or a medium-temperature heat medium channel is communicated with the outside, the high-temperature heat exchanger (9) is also provided with a high-temperature heat source medium channel communicated with the outside, the medium-temperature heat exchanger (12) is also provided with a medium-temperature heat medium channel communicated with the outside, and the expander (2) and the second expander (8) are connected with the compressor (1), the second compressor (3), the third compressor (7) and the fourth compressor (10) and transmit power to form the combined cycle heat pump device.
4. The combined cycle heat pump device mainly comprises a compressor, an expander, a second compressor, a heat supplier, a cooler, a heat exchanger, a third compressor, a second expander, a high-temperature heat exchanger, a fourth compressor and a medium-temperature heat exchanger; a working medium channel is arranged outside and is communicated with the compressor (1) through a heat exchanger (6), the compressor (1) is also provided with a working medium channel which is communicated with a fourth compressor (10) through a medium temperature heat exchanger (12), the fourth compressor (10) is also provided with a working medium channel which is communicated with the expander (2) through a heat supplier (4), the expander (2) is also provided with a working medium channel which is communicated with the second compressor (3) through a cooler (5), and the second compressor (3) is also provided with a working medium channel which is communicated with the outside; a working medium channel is arranged outside and communicated with a third compressor (7), the third compressor (7) is also provided with a working medium channel which is communicated with a second expander (8) through a high-temperature heat exchanger (9), and the second expander (8) is also provided with a working medium channel which is communicated with the outside through a medium-temperature heat exchanger (12) and a heat exchanger (6); the heat supply device (4) is also provided with a heated medium channel communicated with the outside, the cooler (5) is also provided with a cooling medium channel communicated with the outside, the heat exchanger (6) or the intermediate temperature heat medium channel is communicated with the outside, the high temperature heat exchanger (9) is also provided with a high temperature heat source medium channel communicated with the outside, the intermediate temperature heat exchanger (12) or the intermediate temperature heat medium channel is communicated with the outside, and the expander (2) and the second expander (8) are connected with the compressor (1), the second compressor (3), the third compressor (7) and the fourth compressor (10) and transmit power to form the combined cycle heat pump device.
5. The combined cycle heat pump device mainly comprises a compressor, an expander, a second compressor, a heat supplier, a cooler, a heat exchanger, a third compressor, a second expander, a high-temperature heat exchanger, a medium-temperature heat exchanger and a third expander; a working medium channel is arranged outside and communicated with a third expander (13) through a heat exchanger (6), the third expander (13) is also provided with a working medium channel which is communicated with a compressor (1) through a medium temperature heat exchanger (12), the compressor (1) is also provided with a working medium channel which is communicated with an expander (2) through a heat supply device (4), the expander (2) is also provided with a working medium channel which is communicated with a second compressor (3) through a cooler (5), and the second compressor (3) is also provided with a working medium channel which is communicated with the outside; the outside is provided with a working medium channel which is communicated with a third compressor (7), the third compressor (7) is also provided with a working medium channel which is communicated with a second expander (8) through a high-temperature heat exchanger (9), and the second expander (8) is also provided with a working medium channel which is communicated with the outside through a heat exchanger (6); the heat supply device (4) is also provided with a heated medium channel communicated with the outside, the cooler (5) is also provided with a cooling medium channel communicated with the outside, the heat exchanger (6) or a medium-temperature heat medium channel is communicated with the outside, the high-temperature heat exchanger (9) is also provided with a high-temperature heat source medium channel communicated with the outside, the medium-temperature heat exchanger (12) is also provided with a medium-temperature heat medium channel communicated with the outside, and the expander (2), the second expander (8) and the third expander (13) are connected with the compressor (1), the second compressor (3) and the third compressor (7) and transmit power to form the combined cycle heat pump device.
6. The combined cycle heat pump device mainly comprises a compressor, an expander, a second compressor, a heat supplier, a cooler, a heat exchanger, a third compressor, a second expander, a high-temperature heat exchanger, a medium-temperature heat exchanger and a third expander; a working medium channel is arranged outside and communicated with a third expander (13) through a heat exchanger (6), the third expander (13) is also provided with a working medium channel which is communicated with a compressor (1) through a medium temperature heat exchanger (12), the compressor (1) is also provided with a working medium channel which is communicated with an expander (2) through a heat supply device (4), the expander (2) is also provided with a working medium channel which is communicated with a second compressor (3) through a cooler (5), and the second compressor (3) is also provided with a working medium channel which is communicated with the outside; a working medium channel is arranged outside and communicated with a third compressor (7), the third compressor (7) is also provided with a working medium channel which is communicated with a second expander (8) through a high-temperature heat exchanger (9), and the second expander (8) is also provided with a working medium channel which is communicated with the outside through a medium-temperature heat exchanger (12) and a heat exchanger (6); the heat supply device (4) is also provided with a heated medium channel communicated with the outside, the cooler (5) is also provided with a cooling medium channel communicated with the outside, the heat exchanger (6) or the intermediate temperature heat medium channel is communicated with the outside, the high temperature heat exchanger (9) is also provided with a high temperature heat source medium channel communicated with the outside, the intermediate temperature heat exchanger (12) or the intermediate temperature heat medium channel is communicated with the outside, and the expander (2), the second expander (8) and the third expander (13) are connected with the compressor (1), the second compressor (3) and the third compressor (7) and transmit power to form the combined cycle heat pump device.
7. The combined cycle heat pump device mainly comprises a compressor, an expander, a second compressor, a heat supplier, a cooler, a heat exchanger, a third compressor, a second expander, a high-temperature heat exchanger, a medium-temperature heat exchanger and a third expander; a working medium channel is arranged outside and is communicated with the compressor (1) through a heat exchanger (6), the compressor (1) is also provided with a working medium channel which is communicated with the expander (2) through a heat supply device (4), the expander (2) is also provided with a working medium channel which is communicated with the second compressor (3) through a cooler (5), the second compressor (3) is also provided with a working medium channel which is communicated with a third expander (13) through a medium temperature heat exchanger (12), and the third expander (13) is also provided with a working medium channel which is communicated with the outside; the outside is provided with a working medium channel which is communicated with a third compressor (7), the third compressor (7) is also provided with a working medium channel which is communicated with a second expander (8) through a high-temperature heat exchanger (9), and the second expander (8) is also provided with a working medium channel which is communicated with the outside through a heat exchanger (6); the heat supply device (4) is also provided with a heated medium channel communicated with the outside, the cooler (5) is also provided with a cooling medium channel communicated with the outside, the heat exchanger (6) or a medium-temperature heat medium channel is communicated with the outside, the high-temperature heat exchanger (9) is also provided with a high-temperature heat source medium channel communicated with the outside, the medium-temperature heat exchanger (12) is also provided with a medium-temperature heat medium channel communicated with the outside, and the expander (2), the second expander (8) and the third expander (13) are connected with the compressor (1), the second compressor (3) and the third compressor (7) and transmit power to form the combined cycle heat pump device.
8. The combined cycle heat pump device mainly comprises a compressor, an expander, a second compressor, a heat supplier, a cooler, a heat exchanger, a third compressor, a second expander, a high-temperature heat exchanger, a third expander and a second cooler; the external part is provided with a working medium channel which is communicated with the compressor (1) through a heat exchanger (6), the compressor (1) is also provided with a working medium channel which is communicated with the expander (2) through a heat supply device (4), the expander (2) is also provided with a working medium channel which is communicated with a third expander (13) through a second cooler (14), the third expander (13) is also provided with a working medium channel which is communicated with the second compressor (3) through a cooler (5), and the second compressor (3) is also provided with a working medium channel which is communicated with the external part; the outside is provided with a working medium channel which is communicated with a third compressor (7), the third compressor (7) is also provided with a working medium channel which is communicated with a second expander (8) through a high-temperature heat exchanger (9), and the second expander (8) is also provided with a working medium channel which is communicated with the outside through a heat exchanger (6); the heat supply device (4) is also provided with a heated medium channel communicated with the outside, the cooler (5) and the second cooler (14) are also respectively provided with a cooling medium channel communicated with the outside, the heat exchanger (6) or a medium-temperature heat medium channel is also communicated with the outside, the high-temperature heat exchanger (9) is also provided with a high-temperature heat source medium channel communicated with the outside, and the expander (2), the second expander (8) and the third expander (13) are connected with the compressor (1), the second compressor (3) and the third compressor (7) and transmit power to form the combined cycle heat pump device.
9. The combined cycle heat pump device mainly comprises a compressor, an expander, a second compressor, a heat supplier, a cooler, a heat exchanger, a third compressor, a second expander, a high-temperature heat exchanger and a heat regenerator; the external part is provided with a working medium channel which is communicated with the compressor (1) through a heat exchanger (6), the compressor (1) is also provided with a working medium channel which is communicated with the expander (2) through a heat supplier (4), the expander (2) is also provided with a working medium channel which is communicated with the second compressor (3) through a heat regenerator (15) and a cooler (5), and the second compressor (3) is also provided with a working medium channel which is communicated with the external part through the heat regenerator (15); the outside is provided with a working medium channel which is communicated with a third compressor (7), the third compressor (7) is also provided with a working medium channel which is communicated with a second expander (8) through a high-temperature heat exchanger (9), and the second expander (8) is also provided with a working medium channel which is communicated with the outside through a heat exchanger (6); the heat supply device (4) is also provided with a heated medium channel communicated with the outside, the cooler (5) is also provided with a cooling medium channel communicated with the outside, the heat exchanger (6) or a medium-temperature heat medium channel is communicated with the outside, the high-temperature heat exchanger (9) is also provided with a high-temperature heat source medium channel communicated with the outside, and the expander (2) and the second expander (8) are connected with the compressor (1), the second compressor (3) and the third compressor (7) and transmit power to form the combined cycle heat pump device.
10. The combined cycle heat pump device mainly comprises a compressor, an expander, a second compressor, a heat supplier, a cooler, a heat exchanger, a third compressor, a second expander, a high-temperature heat exchanger and a heat regenerator; a working medium channel is arranged outside and is communicated with the compressor (1) through a heat exchanger (6) and a heat regenerator (15), the compressor (1) is provided with a working medium channel which is communicated with the expander (2) through a heat supplier (4) and the heat regenerator (15), the expander (2) is also provided with a working medium channel which is communicated with the second compressor (3) through a cooler (5), and the second compressor (3) is provided with a working medium channel which is communicated with the outside; the outside is provided with a working medium channel which is communicated with a third compressor (7), the third compressor (7) is also provided with a working medium channel which is communicated with a second expander (8) through a high-temperature heat exchanger (9), and the second expander (8) is also provided with a working medium channel which is communicated with the outside through a heat exchanger (6); the heat supply device (4) is also provided with a heated medium channel communicated with the outside, the cooler (5) is also provided with a cooling medium channel communicated with the outside, the heat exchanger (6) or a medium-temperature heat medium channel is communicated with the outside, the high-temperature heat exchanger (9) is also provided with a high-temperature heat source medium channel communicated with the outside, and the expander (2) and the second expander (8) are connected with the compressor (1), the second compressor (3) and the third compressor (7) and transmit power to form the combined cycle heat pump device.
11. A combined cycle heat pump device is characterized in that a new heat supplier is added in any combined cycle heat pump device of claims 1-3, 5, 7, 8 and 10, a working medium channel of a second expander (8) is communicated with the outside through a heat exchanger (6) and is adjusted to be communicated with the outside through a working medium channel of the second expander (8) and the new heat supplier (A) and the heat exchanger (6), and the new heat supplier (A) and a heated medium channel are communicated with the outside to form the combined cycle heat pump device.
12. A combined cycle heat pump device is characterized in that a newly added heat regenerator is added in any combined cycle heat pump device of claims 1-3, 5, 7, 8 and 10, a working medium channel of a third compressor (7) is communicated with a second expander (8) through a high-temperature heat exchanger (9) and is adjusted to be communicated with the second expander (8) through the newly added heat regenerator (B) and the high-temperature heat exchanger (9), a working medium channel of the second expander (8) is communicated with the outside through a heat exchanger (6) and is adjusted to be communicated with the outside through the second expander (8) and the newly added heat regenerator (B) and the heat exchanger (6), and the combined cycle heat pump device is formed.
13. A combined-cycle heat pump apparatus according to any one of claims 1 to 3, 5, 7, 8 and 10, and a newly added heat supply device and a newly added heat regenerator are added, a working medium channel of a third compressor (7) is communicated with a second expander (8) through a high-temperature heat exchanger (9) and adjusted to be communicated with the second expander (8) through a working medium channel of the third compressor (7) and the newly added heat regenerator (B) and the high-temperature heat exchanger (9), a working medium channel of the second expander (8) is communicated with the outside through a heat exchanger (6) and adjusted to be communicated with the outside through a working medium channel of the second expander (8) and the newly added heat supply device (A) and the heated medium channel are communicated with the outside to form the combined cycle heat pump device.
14. A combined cycle heat pump device is characterized in that a new heat supplier is added in the combined cycle heat pump device of claim 4 or claim 6, a working medium channel of the second expander (8) is communicated with the outside through the intermediate temperature heat exchanger (12) and the heat exchanger (6) and is adjusted to be communicated with the outside through the additional heat supplier (A), the intermediate temperature heat exchanger (12) and the heat exchanger (6), the working medium channel of the second expander (8) is communicated with the outside through the additional heat supplier (A), the intermediate temperature heat exchanger (12) and the heat exchanger (6), and the additional heat supplier (A) and a heated medium channel are communicated with the outside to form the combined cycle heat pump device.
15. A combined cycle heat pump device is characterized in that a new heat regenerator is added in the combined cycle heat pump device of claim 4 or claim 6, a working medium channel of a third compressor (7) is communicated with a second expander (8) through a high temperature heat exchanger (9) and is adjusted to be communicated with the second expander (8) through the new heat regenerator (B) and the high temperature heat exchanger (9), a working medium channel of the second expander (8) is communicated with the outside through a medium temperature heat exchanger (12) and a heat exchanger (6) and is adjusted to be communicated with the outside through the second expander (8) and the new heat regenerator (B), the medium temperature heat exchanger (12) and the heat exchanger (6), and the combined cycle heat pump device is formed.
16. A combined cycle heat pump device is characterized in that a newly added heat supply device and a newly added heat regenerator are added in the combined cycle heat pump device of claim 4 or claim 6, a working medium channel of a third compressor (7) is communicated with a second expander (8) through a high temperature heat exchanger (9) and is adjusted to be communicated with the second expander (8) through a newly added heat regenerator (B) and a high temperature heat exchanger (9), a working medium channel of the second expander (8) is communicated with the outside through a middle temperature heat exchanger (12) and a heat exchanger (6) to be communicated with the second expander (8) through a working medium channel of the second expander (8) and is communicated with the outside through the newly added heat regenerator (B), the newly added heat supply device (A), the middle temperature heat exchanger (12) and the heat exchanger (6), and the newly added heat supply device is added
(A) And the heated medium channel is communicated with the outside to form the combined cycle heat pump device.
17. A combined cycle heat pump device, which is characterized in that a new heat supplier is added in the combined cycle heat pump device of claim 9, the second expander (8) is adjusted to be communicated with the outside through a heat exchanger (6) by a working medium channel, the second expander (8) is adjusted to be communicated with the outside through the new heat supplier (A) and the heat exchanger (6) by a working medium channel, and the new heat supplier (A) and a heated medium channel are communicated with the outside to form the combined cycle heat pump device.
18. A combined cycle heat pump device, which is characterized in that a new heat regenerator is added in the combined cycle heat pump device of claim 9, a working medium channel of a third compressor (7) is communicated with a second expander (8) through a high temperature heat exchanger (9) and is adjusted to be communicated with the second expander (8) through the new heat regenerator (B) and the high temperature heat exchanger (9), a working medium channel of the second expander (8) is communicated with the outside through a heat exchanger (6) and is adjusted to be communicated with the outside through the second expander (8) and the new heat regenerator (B) and the heat exchanger (6), and the combined cycle heat pump device is formed.
19. A combined cycle heat pump device is characterized in that a newly added heat supplier and a newly added heat regenerator are added in the combined cycle heat pump device of claim 9, a working medium channel of a third compressor (7) is communicated with a second expander (8) through a high temperature heat exchanger (9) and is adjusted to be communicated with the second expander (8) through the newly added heat regenerator (B) and the high temperature heat exchanger (9), a working medium channel of the second expander (8) is communicated with the outside through a heat exchanger (6) and is adjusted to be communicated with the outside through the newly added heat regenerator (B), the newly added heat supplier (A) and the heat exchanger (6), and the newly added heat supplier (A) and a heated medium channel are communicated with the outside to form the combined cycle heat pump device.
20. A combined cycle heat pump apparatus according to any one of claims 1 to 8 and 10 to 16, wherein the second compressor (3) has a working medium passage for communicating with the third compressor (7) and the second compressor (3) has a working medium passage for communicating with the outside, and the working medium passages of the second compressor (3) and the third compressor (7) are adjusted to communicate with each other, thereby forming the combined cycle heat pump apparatus.
21. A combined cycle heat pump device is characterized in that in any combined cycle heat pump device of claims 9 and 17-19, a working medium channel arranged outside is communicated with a third compressor (7), a working medium channel arranged on a second compressor (3) is communicated with the outside through a heat regenerator (15), and the working medium channel arranged on the second compressor (3) is communicated with the third compressor (7) through the heat regenerator (15) to form the combined cycle heat pump device.
22. The combined cycle heat pump device is characterized in that a power machine is added in any combined cycle heat pump device of claims 1-21, the power machine is connected with the compressor (1) and provides power for the compressor (1) to form the combined cycle heat pump device driven by additional external power.
23. The combined cycle heat pump device is characterized in that a working machine is added in any combined cycle heat pump device of claims 1-21, and a second expansion machine (8) is connected with the working machine and provides power for the working machine to form the combined cycle heat pump device which provides additional power load to the outside.
CN201910793183.XA 2018-08-20 2019-08-16 Combined cycle heat pump device Active CN111189258B (en)

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CN105805973A (en) * 2015-04-13 2016-07-27 李华玉 Multi-directional thermodynamic cycle and third-type thermal driving compression type heat pump
CN105953472A (en) * 2015-04-13 2016-09-21 李华玉 Bidirectional thermal cycle and second type of heat-driven compression heat pump
CN106225282A (en) * 2015-12-30 2016-12-14 李华玉 First kind thermal drivers compression heat pump
CN108167038A (en) * 2018-01-18 2018-06-15 北京工业大学 Organic Rankine Cycle-Trans-critical cycle CO2Heat pump engine exhaust heat recycles association system

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002333242A (en) * 2001-05-08 2002-11-22 Kubota Corp Vapor compression heat pump
CN204572095U (en) * 2015-02-15 2015-08-19 同济大学 The co-generation unit that a kind of low temperature exhaust heat drives
CN105805973A (en) * 2015-04-13 2016-07-27 李华玉 Multi-directional thermodynamic cycle and third-type thermal driving compression type heat pump
CN105953472A (en) * 2015-04-13 2016-09-21 李华玉 Bidirectional thermal cycle and second type of heat-driven compression heat pump
CN106225282A (en) * 2015-12-30 2016-12-14 李华玉 First kind thermal drivers compression heat pump
CN108167038A (en) * 2018-01-18 2018-06-15 北京工业大学 Organic Rankine Cycle-Trans-critical cycle CO2Heat pump engine exhaust heat recycles association system

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