WO2022193795A1 - Appareil de pompe à chaleur à cycle combiné à entraînement thermique de premier type - Google Patents

Appareil de pompe à chaleur à cycle combiné à entraînement thermique de premier type Download PDF

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Publication number
WO2022193795A1
WO2022193795A1 PCT/CN2022/000040 CN2022000040W WO2022193795A1 WO 2022193795 A1 WO2022193795 A1 WO 2022193795A1 CN 2022000040 W CN2022000040 W CN 2022000040W WO 2022193795 A1 WO2022193795 A1 WO 2022193795A1
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Prior art keywords
compressor
regenerator
expander
circulating working
medium channel
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PCT/CN2022/000040
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English (en)
Chinese (zh)
Inventor
李华玉
李鸿瑞
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李华玉
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Publication of WO2022193795A1 publication Critical patent/WO2022193795A1/fr

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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
    • F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • F25B9/06—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using expanders
    • 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
    • F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • F25B9/08—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using ejectors
    • 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
    • F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • F25B9/14—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the cycle used, e.g. Stirling cycle

Definitions

  • the invention belongs to the technical field of refrigeration and heat pump.
  • Cold demand, heat demand and power demand are common in human life and production; people often need to use high-temperature heat energy to achieve cooling, heating or convert it into power, and also need to use power for cooling or use power combined with low-temperature heat energy. heating. In the process of achieving the above purpose, it is often affected by many factors - the type, grade and quantity of energy, the type, grade and quantity of user requirements, the type of ambient temperature working medium, the process, structure and manufacturing cost of equipment, etc. Constraints. From the point of view of the heat source, the heat source medium and the heated medium often have the characteristics of temperature change and high temperature at the same time, which makes the performance index unreasonable, the heating parameter is not high, the compression ratio often exists when cooling or heating based on a simple thermodynamic cycle. Too many problems, such as excessive work pressure and so on.
  • the present invention aims at using high temperature or variable temperature heat source for heating or cooling, and also considers using power drive at the same time, as well as taking into account the power output demand.
  • the first type of heat-driven combined cycle heat pump device is a heat-driven combined cycle heat pump device that effectively utilizes the temperature difference between the high-temperature heat source and the heated medium or the temperature difference between the high-temperature heat source and the environment with low working pressure, effective use of condensation sensible heat and variable temperature heating.
  • the main purpose of the present invention is to provide the first type of heat-driven combined cycle heat pump device, and the specific content of the invention is described as follows:
  • the first type of heat-driven combined cycle heat pump device is mainly composed of a compressor, an expander, a second expander, a second compressor, a throttle valve, a high temperature heat exchanger, a heater, an evaporator and a regenerator.
  • the compressor has a circulating working fluid channel that communicates with the high-temperature heat exchanger, the high-temperature heat exchanger also has a circulating working fluid channel that communicates with the expander, and the expander also has a circulating working fluid channel that communicates with the heater and then divides into two paths—— The first path communicates with the regenerator through the second expander, the second path communicates with the regenerator through the second compressor, and then the regenerator has a condensate pipeline that communicates with the evaporator through the throttle valve; the evaporator also has The circulating working medium channel is communicated with the regenerator, and the regenerator and the circulating working medium channel are communicated with the compressor; the high-temperature heat exchanger and the high-temperature heat medium channel are communicated with the outside, and the heater and the heated medium channel are communicated with the outside. , the evaporator and the low-temperature heat medium channel communicate with the outside, the expander and the second expander connect the compressor and the second compressor and transmit power to form the
  • the first type of heat-driven combined cycle heat pump device mainly consists of a compressor, an expander, a second expander, a second compressor, a throttle valve, a high temperature heat exchanger, a heat supply, an evaporator, a regenerator and
  • the second heater is composed of; the compressor has a circulating working fluid channel that communicates with the high-temperature heat exchanger, the high-temperature heat exchanger also has a circulating working fluid channel that communicates with the expander, and the expander also has a circulating working fluid channel that communicates with the heat exchanger.
  • the first path communicates with the regenerator through the second expander, and the second path communicates with the second heater through the second compressor;
  • the second heater also has a circulating working medium channel and a regenerator.
  • the condensate pipeline of the regenerator is connected with the evaporator through the throttle valve, the evaporator and the circulating working medium channel are communicated with the regenerator, and the regenerator and the circulating working medium channel are communicated with the compressor;
  • the heat exchanger also has a high-temperature heat medium channel that communicates with the outside, the heater and the second heater also have a heated medium channel that communicates with the outside, the evaporator also has a low-temperature heat medium channel that communicates with the outside, and the expander and the second.
  • the expander connects the compressor and the second compressor and transmits power to form a first type of thermally driven combined cycle heat pump device.
  • the first type of heat-driven combined cycle heat pump device is mainly composed of a compressor, an expander, a second expander, a second compressor, a throttle valve, a high temperature heat exchanger, a heat supply, an evaporator, a regenerator,
  • the nozzle is composed of a second regenerator; the compressor has a circulating working medium channel that communicates with the high-temperature heat exchanger, the high-temperature heat exchanger also has a circulating working medium channel that communicates with the expander, and the expander also has a circulating working medium channel that communicates with the supply.
  • the regenerator After the regenerator is connected, it is divided into two paths - the first path is communicated with the second expander, the second path is communicated with the second regenerator through the second compressor; the second regenerator also has a circulating working medium channel and a regenerator. After the connection, it is divided into two paths - the first path is led out from the middle or end of the regenerator and is connected to the second expander through the intermediate air inlet port after passing through the nozzle and the second regenerator, and the second path is from the regenerator.
  • the second expander After the end is drawn out, it is communicated with the evaporator through the throttle valve; the second expander also has a circulating working medium channel and is communicated with the regenerator, the evaporator also has a circulating working medium channel and is communicated with the regenerator, and the regenerator also has a circulating working medium.
  • the passage communicates with the compressor; the high-temperature heat exchanger and the high-temperature heat medium passage communicate with the outside, the heater and the heated medium passage communicate with the outside, the evaporator and the low-temperature heat medium passage communicate with the outside, and the expander and the second
  • the expander connects the compressor and the second compressor and transmits power to form a first type of thermally driven combined cycle heat pump device.
  • the first type of heat-driven combined cycle heat pump device mainly consists of a compressor, an expander, a second expander, a second compressor, a throttle valve, a high temperature heat exchanger, a heat supply, an evaporator, a regenerator and It consists of a reheater; the compressor has a circulating working medium channel that communicates with the high-temperature heat exchanger, the high-temperature heat exchanger also has a circulating working medium channel that communicates with the expander, and the expander also has a circulating working medium channel that communicates with the heat exchanger and then is divided into two parts.
  • the first path communicates with the second expander, the second expander and the circulating working medium channel communicate with itself through the reheater, and the second expander has a circulating working medium channel in communication with the regenerator, and the second expander communicates with the regenerator.
  • the reheater is connected with the reheater through the second compressor; the reheater also has a circulating working medium channel and is connected with the regenerator.
  • the reheater has a condensate pipeline connected with the evaporator through a throttle valve, and the evaporator also has a circulation
  • the working medium channel is communicated with the regenerator, and the regenerator and the circulating working medium channel are communicated with the compressor; the high-temperature heat exchanger and the high-temperature heat medium channel are communicated with the outside, and the heater and the heated medium channel are communicated with the outside.
  • the evaporator also has a low-temperature heat medium channel to communicate with the outside, and the expander and the second expander connect the compressor and the second compressor and transmit power to form the first type of heat-driven combined cycle heat pump device.
  • the first type of thermally driven combined cycle heat pump device is any one of the first type of thermally driven combined cycle heat pump device described in items 1 to 4, adding a medium temperature regenerator, The communication between the mass channel and the compressor is adjusted so that the regenerator has a circulating working medium channel and is connected to the compressor through the medium temperature regenerator. After the expander has a circulating working medium channel and the heat supply, it is divided into two channels and adjusted so that the expander has a circulating working medium. The mass channel is connected to the medium temperature regenerator through the heater and then divided into two paths to form the first type of heat-driven combined cycle heat pump device.
  • the first type of thermally driven combined cycle heat pump device is any one of the first type of thermally driven combined cycle heat pump device described in items 1-5, adding a new regenerator, and the compressor has a cycle
  • the communication between the mass channel and the high temperature heat exchanger is adjusted so that the compressor has a circulating working medium channel and is connected to the high temperature heat exchanger through the newly added regenerator, and the expander has a circulating working medium channel and the heat exchanger is adjusted so that the expander has a circulating working medium.
  • the mass channel is communicated with the heater through the newly added regenerator to form the first type of heat-driven combined cycle heat pump device.
  • the first type of heat-driven combined cycle heat pump device mainly consists of a compressor, an expander, a second expander, a second compressor, a throttle valve, a high temperature heat exchanger, a heat supply, an evaporator, a regenerator and
  • the second heater is composed of; the compressor has a circulating working medium channel that communicates with the high-temperature heat exchanger, the high-temperature heat exchanger also has a circulating working medium channel that communicates with the expander, and the expander also has a first circulating working medium channel that communicates with the heat supply.
  • the expander also has a second circulating working fluid channel that communicates with the second heater, and the heater also has a circulating working fluid channel that communicates with the regenerator through the second compressor.
  • the regenerator has a condensate pipeline. It is communicated with the evaporator through the throttle valve, the second heater and the circulating working fluid channel are communicated with the regenerator through the second expander, the evaporator and the circulating working fluid channel are communicated with the regenerator, and the regenerator also has
  • the circulating working medium channel communicates with the compressor; the high-temperature heat exchanger and the high-temperature heat medium channel communicate with the outside, the heater and the second heater also have a heated medium channel respectively, which communicates with the outside, and the evaporator also has a low-temperature heat medium.
  • the passage communicates with the outside, and the expander and the second expander connect the compressor and the second compressor and transmit power to form the first type of heat-driven combined cycle heat pump device.
  • the first type of heat-driven combined cycle heat pump device mainly consists of a compressor, an expander, a second expander, a second compressor, a throttle valve, a high temperature heat exchanger, a heat supply, an evaporator, a regenerator and
  • the compressor is composed of a circulating working fluid channel and a high-temperature heat exchanger, the high-temperature heat exchanger also has a circulating working fluid channel that communicates with the expander, and the expander also has a first circulating working fluid channel and a second circulating working fluid channel.
  • the heater is connected, the expander also has a second circulating working medium channel which is communicated with the heater, the heater and the circulating working medium channel are connected with the regenerator through the second compressor, and then the regenerator has a condensate pipeline. It is communicated with the evaporator through the throttle valve, the second heater and the circulating working fluid channel are communicated with the regenerator through the second expander, the evaporator and the circulating working fluid channel are communicated with the regenerator, and the regenerator also has The circulating working medium channel communicates with the compressor; the high-temperature heat exchanger and the high-temperature heat medium channel communicate with the outside, the heater and the second heater also have a heated medium channel respectively, which communicates with the outside, and the evaporator also has a low-temperature heat medium.
  • the passage communicates with the outside, and the expander and the second expander connect the compressor and the second compressor and transmit power to form the first type of heat-driven combined cycle heat pump device.
  • the first type of heat-driven combined cycle heat pump device mainly consists of a compressor, an expander, a second expander, a second compressor, a throttle valve, a high temperature heat exchanger, a heat supply, an evaporator, a regenerator,
  • the second heater is composed of a new compressor; the compressor has a circulating working medium channel that communicates with the high-temperature heat exchanger, the high-temperature heat exchanger also has a circulating working medium channel that communicates with the expander, and the expander also has a circulating working medium channel.
  • the heater and the circulating working medium channel are connected with the regenerator through the second compressor, and then the regenerator has a condensate pipeline connected with the evaporator through the throttle valve, and the evaporator also has a circulating fluid.
  • the mass channel is communicated with the regenerator, the regenerator and the circulating working fluid channel are respectively communicated with the compressor and the newly added compressor, and the newly added compressor and the circulating working fluid channel are communicated with the second heater, and the second heat supply
  • the heat exchanger also has a circulating working medium channel that communicates with the regenerator through the second expander; the high-temperature heat exchanger also has a high-temperature heat medium channel that communicates with the outside, and the heater and the second heater also have a heated medium channel and the outside.
  • the evaporator and the low-temperature heat medium channel communicate with the outside, and the expander and the second expander connect the compressor, the second compressor and the newly added compressor and transmit power to form the first type of heat-driven combined cycle heat pump device.
  • the first type of thermally driven combined cycle heat pump device is any one of the first type of thermally driven combined cycle heat pump device described in items 7-9, adding a new heater, and the heater has a circulation
  • the working medium channel is communicated with the regenerator through the second compressor and adjusted so that the heater has a circulating working medium channel, which is communicated with the regenerator through the second compressor and the newly added heater, and the newly added heater also has the medium to be heated.
  • the passage communicates with the outside, forming a first type of thermally driven combined cycle heat pump device.
  • the first type of heat-driven combined cycle heat pump device is any one of the first type of heat-driven combined cycle heat pump device described in items 7-9, adding a nozzle and a second regenerator to supply heat.
  • the device has a circulating working medium channel that communicates with the regenerator through the second compressor and is adjusted so that the heater has a circulating working medium channel that communicates with the regenerator through the second compressor and the second regenerator, and the regenerator is additionally equipped with a circulating working medium. After passing through the nozzle and the second regenerator, the passage communicates with the second expander through the intermediate inlet port to form the first type of thermally driven combined cycle heat pump device.
  • the first type of heat-driven combined cycle heat pump device is any one of the first type of thermally-driven combined cycle heat pump device described in items 7-9, adding a reheater, and the heater has a circulating working fluid.
  • the channel is communicated with the regenerator through the second compressor and adjusted so that the heater has a circulating working medium channel, which is communicated with the regenerator through the second compressor and the reheater, and the second heater has a circulating working medium channel through the second
  • the communication between the expander and the regenerator is adjusted so that the second heater has a circulating working fluid channel that communicates with the second expander, the second expander and the circulating working fluid channel communicate with itself through the reheater, and the second expander also has a circulating working fluid channel.
  • the circulating working medium channel is communicated with the regenerator to form the first type of heat-driven combined cycle heat pump device.
  • the first type of heat-driven combined cycle heat pump device is in any one of the first type of thermally-driven combined cycle heat pump device described in items 1-12, eliminating the throttle valve, eliminating the evaporator and its communication with the outside
  • the low-temperature heat medium channel is adjusted, the evaporator has a circulating working medium channel to communicate with the regenerator, and the external steam channel communicates with the regenerator, and the regenerator has a condensate pipeline to communicate with the evaporator through a throttle valve.
  • the regenerator has a condensate pipeline that communicates with the outside, forming the first type of heat-driven combined cycle heat pump device.
  • the first type of thermally driven combined cycle heat pump device is any one of the first type of thermally driven combined cycle heat pump device described in items 1-12, adding a turbine and replacing the throttle valve, the turbine is connected to the second compressor. machine and transmit power, forming the first type of heat-driven combined cycle heat pump device.
  • the first type of heat-driven combined cycle heat pump device is any one of the first type of heat-driven combined cycle heat pump device described in items 1-8, adding a dual-energy compressor and replacing the compressor, increasing the expansion increase.
  • the first type of heat-driven combined cycle heat pump device is formed by adding a new nozzle and replacing the throttle valve by adding a speed engine and replacing the second expander.
  • the first type of heat-driven combined cycle heat pump device is any one of the first type of heat-driven combined cycle heat pump device described in items 1-8, adding a dual-energy compressor and replacing the compressor, increasing the expansion increase.
  • the first type of heat-driven combined cycle heat pump device is formed by adding a new nozzle and replacing the throttle valve by adding a speed engine and replacing the expander.
  • the first type of heat-driven combined cycle heat pump device is any one of the first type of heat-driven combined cycle heat pump device described in items 1-8, adding a dual-energy compressor and replacing the compressor, increasing the expansion increase. Speed machine and replace the expander, add new nozzle and replace the throttle valve, add the second expansion speed up machine and replace the second expander, add the second dual-energy compressor and replace the second compressor, forming the first category Thermally driven combined cycle heat pump unit.
  • Figure 1/17 is a first principle thermodynamic system diagram of the first type of thermally driven combined cycle heat pump device provided according to the present invention.
  • Figure 2/17 is a second principle thermal system diagram of the first type of thermally driven combined cycle heat pump device provided according to the present invention.
  • Figure 3/17 is a diagram of the third principle thermal system of the first type of thermally driven combined cycle heat pump device provided according to the present invention.
  • Figure 4/17 is a fourth principle thermal system diagram of the first type of thermally driven combined cycle heat pump device provided according to the present invention.
  • Figure 5/17 is a fifth principle thermal system diagram of the first type of thermally driven combined cycle heat pump device provided according to the present invention.
  • Figure 6/17 is the sixth principle thermal system diagram of the first type of thermally driven combined cycle heat pump device provided according to the present invention.
  • Fig. 7/17 is the seventh principle thermal system diagram of the first type of thermally driven combined cycle heat pump device provided according to the present invention.
  • Fig. 8/17 is the eighth principle thermal system diagram of the first type of thermally driven combined cycle heat pump device provided according to the present invention.
  • Fig. 9/17 is the ninth principle thermodynamic system diagram of the first type of thermally driven combined cycle heat pump device provided according to the present invention.
  • 10/17 is a tenth principle thermal system diagram of the first type of thermally driven combined cycle heat pump device provided according to the present invention.
  • 11/17 is a schematic diagram of an eleventh principle thermal system of the first type of thermally driven combined cycle heat pump device provided according to the present invention.
  • Fig. 12/17 is a schematic diagram of the 12th principle thermodynamic system of the first type of thermally driven combined cycle heat pump device provided according to the present invention.
  • 13/17 is a thirteenth principle thermal system diagram of the first type of thermally driven combined cycle heat pump device provided according to the present invention.
  • Fig. 14/17 is a schematic diagram of the 14th principle thermodynamic system of the first type of thermally driven combined cycle heat pump device provided according to the present invention.
  • 15/17 are diagrams of the fifteenth principle thermal system of the first type of thermally driven combined cycle heat pump device provided according to the present invention.
  • 16/17 are the 16th principle thermodynamic system diagrams of the first type of thermally driven combined cycle heat pump device provided according to the present invention.
  • 17/17 is a schematic diagram of the 17th principle thermal system of the first type of thermally driven combined cycle heat pump device provided according to the present invention.
  • the first type of thermally driven combined cycle heat pump plant shown in Figure 1/17 is implemented as follows:
  • the evaporator 8 also has a circulating working fluid channel that communicates with the regenerator 9, and the regenerator 9 also has a circulating working fluid channel that communicates with the compressor 1;
  • the high-temperature heat exchanger 6 also has a high-temperature heat medium channel that communicates with the outside.
  • the heater 7 also has a heated medium channel to communicate with the outside, the evaporator 8 also has a low-temperature heat medium channel to communicate with the outside, the expander 2 and the second expander 3 connect the compressor 1 and the second compressor 4 and transmit power .
  • the circulating working medium discharged from the second expander 3 and the evaporator 8 enters the regenerator 9 to absorb heat and heat up, and then enters the compressor 1 to increase the pressure and heat up; the circulating working medium discharged from the compressor 1 flows through the high-temperature heat
  • the exchanger 6 absorbs heat, flows through the expander 2 to depressurize the work, and flows through the heater 7 to release heat and cool down, and then is divided into two paths - the first path flows through the second expander 3 to depressurize and perform work, and then enters the return circuit.
  • Heater 9 the second path enters the second compressor 4 to increase the pressure and temperature; the circulating working medium discharged from the second compressor 4 flows through the regenerator 9 to release heat and condense, and flows through the throttle valve 5 for throttling and depressurization.
  • the evaporator 8 absorbs heat and vaporizes, and then enters the regenerator 9; the work output by the expander 2 and the second expander 3 provides power to the compressor 1 and the second compressor 4, or the expander 2 and the second expander 3.
  • the output work provides power to the compressor 1, the second compressor 4 and the outside at the same time, or the expander 2, the second expander 3 and the outside jointly provide power to the compressor 1 and the second compressor 4; the high temperature heat medium passes through the high temperature
  • the heat exchanger 6 provides the driving heat load, the heated medium obtains the medium temperature heat load through the heater 7, and the low temperature heat medium provides the low temperature heat load through the evaporator 8, forming the first type of heat-driven combined cycle heat pump device.
  • the first type of thermally driven combined cycle heat pump plant shown in Fig. 2/17 is implemented as follows:
  • Compressor 1 has a circulating working fluid channel that communicates with the high temperature heat exchanger 6, the high temperature heat exchanger 6 also has a circulating working fluid channel that communicates with the expander 2, and the expander 2 also has a circulating working fluid channel and a heat exchanger 7.
  • the first path is communicated with the regenerator 9 through the second expander 3, and the second path is communicated with the second heater 10 through the second compressor 4; the second heater 10 also has a circulation
  • the regenerator 9 has a condensate pipeline connected with the evaporator 8 through the throttle valve 5, and the evaporator 8 also has a circulating working fluid channel communicated with the regenerator 9.
  • the high-temperature heat exchanger 6 also has a high-temperature heat medium channel that communicates with the outside, and the heater 7 and the second heater 10 also have a heated medium channel that communicates with the outside.
  • the evaporator 8 also has a low-temperature heat medium channel to communicate with the outside, and the expander 2 and the second expander 3 connect the compressor 1 and the second compressor 4 and transmit power.
  • the circulating working medium discharged from the second expander 3 and the evaporator 8 enters the regenerator 9 to absorb heat and heat up, and then enters the compressor 1 to increase the pressure and heat up; the circulating working medium discharged from the compressor 1 flows through the high-temperature heat
  • the exchanger 6 absorbs heat, flows through the expander 2 to depressurize the work, and flows through the heater 7 to release heat and cool down, and then is divided into two paths - the first path flows through the second expander 3 to depressurize and perform work, and then enters the return circuit.
  • Heater 9 the second path flows through the second compressor 4 to increase pressure and temperature, flow through the second heater 10 and regenerator 9 to release heat and condense, flow through the throttle valve 5 to throttle and reduce pressure, and flow through the evaporator 8 Endothermic vaporization, and then enter the regenerator 9; the work output by the expander 2 and the second expander 3 is provided to the compressor 1 and the second compressor 4 for power, or the output of the expander 2 and the second expander 3.
  • the work provides power to the compressor 1, the second compressor 4 and the outside at the same time, or the expander 2, the second expander 3 and the outside jointly provide power to the compressor 1 and the second compressor 4; the high-temperature heat medium is exchanged through high-temperature heat
  • the heater 6 provides the driving heat load, the heated medium obtains the medium-temperature heat load through the heater 7 and the second heater 10, and the low-temperature heat medium provides the low-temperature heat load through the evaporator 8, forming the first type of heat-driven combined cycle heat pump device .
  • the first type of thermally driven combined cycle heat pump plant shown in Figure 3/17 is implemented as follows:
  • (1) Structurally it mainly consists of a compressor, an expander, a second expander, a second compressor, a throttle valve, a high temperature heat exchanger, a heat supply, an evaporator, a regenerator, a nozzle and a second
  • the regenerator is composed of; the compressor 1 has a circulating working fluid channel that communicates with the high-temperature heat exchanger 6, the high-temperature heat exchanger 6 also has a circulating working fluid channel that communicates with the expander 2, and the expander 2 also has a circulating working fluid channel that communicates with the supply.
  • the heat exchanger 7 After the heat exchanger 7 is connected, it is divided into two paths - the first path is communicated with the second expander 3, and the second path is communicated with the second regenerator 12 via the second compressor 4; the second regenerator 12 also has circulating working fluid After the passage communicates with the regenerator 9, it is divided into two paths - the first path is drawn out from the middle or end of the regenerator 9 and passes through the nozzle 11 and the second regenerator 12, and then passes through the intermediate inlet port and the second expander.
  • the second path is connected with the evaporator 8 through the throttle valve 5 after being drawn out from the end of the regenerator 9;
  • the second expander 3 also has a circulating working medium channel and is communicated with the regenerator 9, and the evaporator 8 also has a circulating working medium.
  • the mass channel communicates with the regenerator 9, and the regenerator 9 also has a circulating working medium channel that communicates with the compressor 1;
  • the high-temperature heat exchanger 6 also has a high-temperature heat medium channel that communicates with the outside, and the heater 7 also has a heated medium channel.
  • the evaporator 8 also has a low-temperature heat medium channel in communication with the outside, and the expander 2 and the second expander 3 connect the compressor 1 and the second compressor 4 and transmit power.
  • the circulating working medium discharged from the second expander 3 and the evaporator 8 enters the regenerator 9 to absorb heat and heat up, and then enters the compressor 1 to increase the pressure and heat up; the circulating working medium discharged from the compressor 1 flows through the high-temperature heat
  • the exchanger 6 absorbs heat, flows through the expander 2 to depressurize the work, and flows through the heater 7 to release heat and cool down, and then is divided into two paths - the first path flows through the second expander 3 to depressurize and perform work, and then enters the return circuit.
  • Heater 9 the second path flows through the second compressor 4 to increase the pressure and temperature, flows through the second regenerator 12 to release heat, and then enters the regenerator 9 to release heat and is partially or completely condensed. All the way through the nozzle 11 to reduce the pressure and increase the speed, flow through the second regenerator 12 to absorb heat, enter the second expander 3 through the intermediate intake port to depressurize and perform work, and then enter the regenerator 9, and the second way condenses
  • the liquid or the condensate after the second path continues to release heat enters the evaporator 8 after being throttled and depressurized by the throttle valve 5; the circulating working medium entering the evaporator 8 absorbs heat and vaporizes, and then enters the regenerator 9; the expander 2 and
  • the work output by the second expander 3 provides power to the compressor 1 and the second compressor 4, or the work output by the expander 2 and the second expander 3 simultaneously provides power to the compressor 1, the second compressor 4 and the outside , or the expander 2, the second expander 3 and the outside
  • the first type of thermally driven combined cycle heat pump plant shown in Figure 4/17 is implemented as follows:
  • Compressor 1 has a circulating working fluid channel that communicates with the high-temperature heat exchanger 6, and the high-temperature heat exchanger 6 also has a circulating working fluid channel that communicates with the expander 2, and the expander 2 also has a circulating working fluid channel that communicates with the heater 7.
  • the second path is connected to the reheater 13 through the second compressor 4; the reheater 13 also has a circulating working medium channel that is connected to the regenerator 9, and then the regenerator 9 has a condensate pipeline that is throttled
  • the valve 5 is communicated with the evaporator 8, the evaporator 8 also has a circulating working fluid channel and is communicated with the regenerator 9, and the regenerator 9 also has a circulating working fluid channel communicated with the compressor 1; the high-temperature heat exchanger 6 also has a high-temperature heat medium.
  • the channel communicates with the outside
  • the heater 7 and the heated medium channel communicate with the outside
  • the evaporator 8 also has a low-temperature heat medium channel in communication with the outside
  • the expander 2 and the second expander 3 connect the compressor 1 and the second compressor. 4 and transmit power.
  • the circulating working medium discharged from the second expander 3 and the evaporator 8 enters the regenerator 9 to absorb heat and heat up, and then enters the compressor 1 to increase the pressure and heat up; the circulating working medium discharged from the compressor 1 flows through the high-temperature heat
  • the exchanger 6 absorbs heat, flows through the expander 2 to depressurize the work, and flows through the heater 7 to release heat and cool down, and then is divided into two paths - the first path enters the second expander 3 to depressurize the work to a certain extent, and then flows to a certain extent. It absorbs heat through the reheater 13, enters the second expander 3 to continue to depressurize the work, and then enters the regenerator 9.
  • the second path flows through the second compressor 4 to increase the pressure and raise the temperature, and flows through the reheater 13 to release heat.
  • the work output by the second expander 3 provides power to the compressor 1 and the second compressor 4, or the work output by the expander 2 and the second expander 3 simultaneously provides power to the compressor 1, the second compressor 4 and the outside , or the expander 2, the second expander 3 and the outside together provide power to the compressor 1 and the second compressor 4;
  • the high-temperature heat medium provides the driving heat load through the high-temperature heat exchanger 6, and the heated medium is obtained through the heater 7
  • the medium temperature heat load and the low temperature heat medium provide the low temperature heat load through the evaporator 8, forming the first type of heat-driven combined cycle heat pump device.
  • the first type of thermally driven combined cycle heat pump plant shown in Figure 5/17 is implemented as follows:
  • the increased or changed process is carried out as follows: the cycle of discharge from the second expander 3 and the evaporator 8
  • the working medium enters the regenerator 9 to absorb heat and heat up, flows through the medium temperature regenerator 14 to absorb heat and heat up, and then enters the compressor 1 to increase the pressure and heat up;
  • the circulating working medium discharged from the expander 2 flows through the heater 7 and the medium temperature regenerator. 14.
  • the heat is gradually released, and then divided into two paths - the first path flows through the second expander 3 to depressurize and then enters the regenerator 9, and the second path flows through the second compressor 4 to increase the pressure and heat up, and flow through the regenerator.
  • the evaporator 9 releases heat and condenses and flows through the throttling valve 5 for throttling and depressurization, and then enters the evaporator 8 to form the first type of heat-driven combined cycle heat pump device.
  • the first type of thermally driven combined cycle heat pump plant shown in Figure 6/17 is implemented as follows:
  • the first type of thermally driven combined cycle heat pump plant shown in Figure 7/17 is implemented as follows:
  • the compressor 1 has a circulating working medium channel that communicates with the high-temperature heat exchanger 6, the high-temperature heat exchanger 6 also has a circulating working medium channel that communicates with the expander 2, and the expander 2 also has a first circulating working medium channel that communicates with the heat supply.
  • the expander 2 and the second circulating working fluid channel are communicated with the second heater 10, the heat supply 7 and the circulating working fluid channel are communicated with the regenerator 9 through the second compressor 4, and then the regenerator 9 Then there is a condensate pipeline that is communicated with the evaporator 8 through the throttle valve 5, and the second heater 10 also has a circulating working medium channel that communicates with the regenerator 9 through the second expander 3, and the evaporator 8 also has a circulating working medium.
  • the mass channel communicates with the regenerator 9, and the regenerator 9 also has a circulating working medium channel that communicates with the compressor 1;
  • the high-temperature heat exchanger 6 also has a high-temperature heat medium channel that communicates with the outside, and the heater 7 and the second heater 10 also has a heated medium channel to communicate with the outside,
  • the evaporator 8 also has a low-temperature heat medium channel to communicate with the outside, and the expander 2 and the second expander 3 connect the compressor 1 and the second compressor 4 and transmit power.
  • the circulating working medium discharged from the second expander 3 and the evaporator 8 enters the regenerator 9 to absorb heat and heat up, and then enters the compressor 1 to increase the pressure and heat up; the circulating working medium discharged from the compressor 1 flows through the high-temperature heat
  • the exchanger 6 absorbs heat to heat up, and enters the expander 2 to depressurize the work to a certain degree and then divide into two paths—the first path flows through the heater 7 to release heat and cool down, flows through the second compressor 4 to increase the pressure and raise the temperature, and flows through the return path.
  • Heater 9 releases heat and condenses, flows through throttle valve 5 for throttling and depressurization and enters evaporator 8, the second path continues to depressurize to do work, flows through second heater 10 to release heat, and flows through second expander 3 Depressurization work and enter the regenerator 9; the circulating working medium entering the evaporator 8 absorbs heat and vaporizes, and then enters the regenerator 9; the work output by the expander 2 and the second expander 3 is provided to the compressor 1 and the second
  • the compressor 4 acts as power, or the work output by the expander 2 and the second expander 3 simultaneously provides power to the compressor 1, the second compressor 4 and the outside, or the expander 2, the second expander 3 and the outside jointly compress
  • the engine 1 and the second compressor 4 provide power; the high temperature heat medium provides the driving heat load through the high temperature heat exchanger 6, the heated medium obtains the medium temperature heat load through the heater 7 and the second heater 10, and the low temperature heat medium passes through Evaporator 8 provides a low temperature heat load, forming
  • the first type of thermally driven combined cycle heat pump plant shown in Figure 8/17 is implemented as follows:
  • the compressor 1 has a circulating working fluid channel that communicates with the high-temperature heat exchanger 6, the high-temperature heat exchanger 6 also has a circulating working fluid channel that communicates with the expander 2, and the expander 2 also has a first circulating working fluid channel and a second circulating working fluid channel.
  • Heater 10 is communicated with, expander 2 also has a second circulating working fluid channel that communicates with heater 7, and heater 7 also has a circulating working fluid channel that communicates with regenerator 9 through second compressor 4 and then regenerator. 9 Then there is a condensate pipeline that is communicated with the evaporator 8 through the throttle valve 5, and the second heater 10 also has a circulating working medium channel that communicates with the regenerator 9 through the second expander 3, and the evaporator 8 also has a circulating working medium.
  • the mass channel communicates with the regenerator 9, and the regenerator 9 also has a circulating working medium channel that communicates with the compressor 1;
  • the high-temperature heat exchanger 6 also has a high-temperature heat medium channel that communicates with the outside, and the heater 7 and the second heater 10 also has a heated medium channel to communicate with the outside,
  • the evaporator 8 also has a low-temperature heat medium channel to communicate with the outside, and the expander 2 and the second expander 3 connect the compressor 1 and the second compressor 4 and transmit power.
  • the circulating working medium discharged from the second expander 3 and the evaporator 8 enters the regenerator 9 to absorb heat and heat up, and then enters the compressor 1 to increase the pressure and heat up; the circulating working medium discharged from the compressor 1 flows through the high-temperature heat
  • the exchanger 6 absorbs heat to heat up, enters the expander 2 to depressurize the work to a certain extent, and then divides it into two paths—the first path flows through the second heater 10 to release heat, flows through the second expander 3 to depressurize the work and enters the Regenerator 9, the second path continues to depressurize the work, flows through the heat supply 7 to release heat, flows through the second compressor 4 to increase the pressure, and flows through the regenerator 9 to release heat and condense, and flows through the throttle valve 5 Throttle and depressurize and enter evaporator 8; the circulating working medium entering evaporator 8 absorbs heat and vaporizes, and then enters regenerator 9; the work output by expander 2 and second expand
  • the high temperature heat medium provides the driving heat load through the high temperature heat exchanger 6, the heated medium obtains the medium temperature heat load through the heater 7 and the second heater 10, and the low temperature heat medium passes through the evaporation.
  • Heater 8 provides a low temperature heat load, forming a first type of thermally driven combined cycle heat pump device.
  • the first type of thermally driven combined cycle heat pump plant shown in Figure 9/17 is implemented as follows:
  • (1) Structurally it mainly consists of a compressor, an expander, a second expander, a second compressor, a throttle valve, a high-temperature heat exchanger, a heater, an evaporator, a regenerator, and a second heater. It is composed of a new compressor; the compressor 1 has a circulating working fluid channel that communicates with the high-temperature heat exchanger 6, and the high-temperature heat exchanger 6 also has a circulating working fluid channel that communicates with the expander 2, and the expander 2 also has a circulating working fluid channel.
  • the regenerator 9 Connected with the heater 7, the heater 7 and the circulating working medium channel are connected with the regenerator 9 through the second compressor 4, and then the regenerator 9 has a condensate pipeline connected with the evaporator 8 through the throttle valve 5. , the evaporator 8 and the circulating working medium channel are connected with the regenerator 9, and the regenerator 9 and the circulating working medium channel are respectively connected with the compressor 1 and the newly added compressor B, and the newly added compressor B also has a circulating working medium.
  • the channel communicates with the second heater 10, and the second heater 10 also has a circulating working medium channel that communicates with the regenerator 9 through the second expander 3;
  • the high-temperature heat exchanger 6 also has a high-temperature heat medium channel that communicates with the outside
  • the heater 7 and the second heater 10 also have heated medium passages that communicate with the outside
  • the evaporator 8 also has a low-temperature heat medium passage that communicates with the outside
  • the expander 2 and the second expander 3 are connected to the compressor 1 and the first.
  • the two compressors 4 and the newly added compressor B also transmit power.
  • the circulating working fluid discharged from the second expander 3 and the evaporator 8 enters the regenerator 9 to absorb heat and heat up, and then is divided into two paths—the first path flows through the newly added compressor B to increase the pressure and heat up, and the flow rate increases.
  • the second heat exchanger 10 releases heat, flows through the second expander 3 for decompression, and enters the regenerator 9.
  • the second path flows through the compressor 1 to increase the pressure, and flows through the high-temperature heat exchanger 6 to absorb heat and increase the temperature.
  • the first type of thermally driven combined cycle heat pump plant shown in Figure 10/17 is implemented as follows:
  • the first type of thermally driven combined cycle heat pump plant shown in Figure 11/17 is implemented as follows:
  • the first type of thermally driven combined cycle heat pump plant shown in Figure 12/17 is implemented as follows:
  • the first type of thermally driven combined cycle heat pump plant shown in Figure 13/17 is implemented as follows:
  • the circulating working medium in the external steam state enters the regenerator 9
  • the circulating working medium discharged from the second expander 3 enters the regenerator 9
  • the two-way circulating working medium enters the compressor 1 to increase the pressure after absorbing heat and heating up.
  • the circulating working medium discharged from the compressor 1 flows through the high-temperature heat exchanger 6 to absorb heat and heat up, flows through the expander 2 to depressurize and perform work, flows through the heater 7 and releases heat, and then is divided into two paths—the first path After flowing through the second expander 3 to depressurize and perform work, it enters the regenerator 9, and the second path flows through the second compressor 4 to raise the pressure and heat up and flows through the regenerator 9 to release heat and condense and then discharge to the outside; the expander 2 and the first
  • the work output by the second expander 3 provides power to the compressor 1 and the second compressor 4, or the work output by the expander 2 and the second expander 3 simultaneously provides power to the compressor 1, the second compressor 4 and the outside, Or the expander 2, the second expander 3 and the outside together provide power to the compressor 1 and the second compressor 4;
  • the high-temperature heat medium provides the driving heat load through the high-temperature heat exchanger 6, and the heated medium is obtained through the heater 7.
  • Warm heat load, external steam provides
  • the first type of thermally driven combined cycle heat pump plant shown in Figure 14/17 is implemented as follows:
  • the first type of thermally driven combined cycle heat pump plant shown in Figure 15/17 is implemented as follows:
  • the first type of thermally driven combined cycle heat pump plant shown in Figure 16/17 is implemented as follows:
  • the first type of thermally driven combined cycle heat pump plant shown in Figure 17/17 is implemented as follows:
  • phase change process completes the acquisition of low-temperature heat load, and the irreversible loss of the temperature difference between the circulating working fluid and the low-temperature heat resource is controllable, which is beneficial to improve the performance index of the device.
  • the circulating working fluid completes high-temperature heat absorption under low pressure, and the loss of temperature difference between the circulating working fluid and the high-temperature heat source is small, which is beneficial to improve the performance index of the device.
  • the exothermic process mainly relies on the variable temperature process or the combination of the variable temperature exotherm and the condensation exotherm, which is conducive to reducing the heat transfer loss of the temperature difference in the exothermic link, improving the performance index, and realizing efficient heating and high-efficiency high-temperature heating.
  • a single working fluid is beneficial to production and storage; it reduces operating costs and improves the flexibility of cycle adjustment.
  • the low-pressure operation mode is adopted in the high-temperature heating area to solve the contradiction between the performance index, the parameters of the circulating medium and the pressure and temperature resistance of the pipes in the traditional refrigeration and heat pump devices.

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

Abstract

La présente invention concerne un appareil de pompe à chaleur à cycle combiné à entraînement thermique de premier type. Un compresseur (1) est pourvu d'un canal de fluide de travail en circulation pour une communication avec un échangeur de chaleur à haute température (6) ; l'échangeur de chaleur à haute température (6) est en outre pourvu d'un canal de fluide de travail en circulation pour une communication avec un détendeur (2) ; le détendeur (2) est en outre pourvu d'un canal de fluide de travail en circulation pour une communication avec un dispositif d'alimentation en chaleur (7) puis divisé en deux trajets, le premier trajet étant en communication avec un régénérateur de chaleur (9) au moyen d'un second détendeur (3), le second trajet étant en communication avec le régénérateur de chaleur (9) au moyen d'un second compresseur (4), puis le régénérateur de chaleur (9) est en outre pourvu d'une conduite de condensat pour la communication avec un évaporateur (8) au moyen d'une soupape d'étranglement (5) ; l'évaporateur (8) est en outre pourvu d'un canal de fluide de travail en circulation pour la communication avec le régénérateur de chaleur (9), et le régénérateur de chaleur (9) est en outre pourvu d'un canal de fluide de travail en circulation pour une communication avec le compresseur (1) ; l'échangeur de chaleur à haute température (6) est en outre pourvu d'un canal de fluide caloporteur à haute température pour une communication avec l'extérieur ; le dispositif d'alimentation en chaleur (7) est en outre pourvu d'un canal de fluide chauffé pour une communication avec l'extérieur ; l'évaporateur (8) est en outre pourvu d'un canal de milieu caloporteur à basse température pour la communication avec l'extérieur ; le détendeur (2) et le second détendeur (3) sont raccordés au compresseur (1) et au second compresseur (4) et transmettent de l'énergie. L'appareil de pompe à chaleur à cycle combiné à entraînement thermique de premier type est ainsi formé.
PCT/CN2022/000040 2021-03-14 2022-03-14 Appareil de pompe à chaleur à cycle combiné à entraînement thermique de premier type WO2022193795A1 (fr)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011085284A (ja) * 2009-10-14 2011-04-28 Panasonic Corp ヒートポンプ式暖房装置
CN110953746A (zh) * 2018-12-19 2020-04-03 李华玉 第一类热驱动压缩式热泵
CN112344583A (zh) * 2019-10-08 2021-02-09 李华玉 单工质联合循环热泵装置
CN112344582A (zh) * 2019-10-08 2021-02-09 李华玉 单工质联合循环热泵装置
CN112344586A (zh) * 2019-10-17 2021-02-09 李华玉 单工质联合循环热泵装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011085284A (ja) * 2009-10-14 2011-04-28 Panasonic Corp ヒートポンプ式暖房装置
CN110953746A (zh) * 2018-12-19 2020-04-03 李华玉 第一类热驱动压缩式热泵
CN112344583A (zh) * 2019-10-08 2021-02-09 李华玉 单工质联合循环热泵装置
CN112344582A (zh) * 2019-10-08 2021-02-09 李华玉 单工质联合循环热泵装置
CN112344586A (zh) * 2019-10-17 2021-02-09 李华玉 单工质联合循环热泵装置

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