WO2021244028A1 - Dispositif de pompe à chaleur à cycle combiné à entraînement thermique de premier type - Google Patents

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

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Publication number
WO2021244028A1
WO2021244028A1 PCT/CN2021/000115 CN2021000115W WO2021244028A1 WO 2021244028 A1 WO2021244028 A1 WO 2021244028A1 CN 2021000115 W CN2021000115 W CN 2021000115W WO 2021244028 A1 WO2021244028 A1 WO 2021244028A1
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Prior art keywords
heat
expander
regenerator
medium channel
circulating working
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PCT/CN2021/000115
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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 WO2021244028A1 publication Critical patent/WO2021244028A1/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
    • F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously

Definitions

  • the invention belongs to the technical field of refrigeration and heat pumps.
  • the heat source medium and the heated medium have the characteristics of variable temperature and high temperature, which makes the performance index unreasonable, the heating parameter not high, and the compression ratio when the cooling or heating is realized based on a simple thermal cycle.
  • There are many problems such as over-sized and high working pressure.
  • the present invention is aimed at using high temperature or variable temperature heat sources for heating or cooling, and also considering the use of power driving at the same time, and taking into account the power output requirements.
  • the first type of heat-driven combined cycle heat pump device that has low working pressure, effective use of condensation sensible heat and variable temperature heating, and effective use of 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 .
  • the main purpose of the present invention is to provide the first type of thermally driven combined cycle heat pump device.
  • 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 compressor, expander, second expander, throttle valve, high temperature heat exchanger, heat supply, evaporator and regenerator; compressor has The circulating working medium channel is connected to the high-temperature heat exchanger.
  • the high-temperature heat exchanger also has a circulating working medium channel that is connected to the expander.
  • the expander and the circulating working medium channel are connected to the heater and then divided into two paths-the first path is through the second path.
  • the second expander is connected with the regenerator, the second path is directly connected with the regenerator, and then the regenerator has a condensate pipeline connected with the evaporator through a throttle valve, and the evaporator has a circulating working fluid channel connected with the regenerator ,
  • the regenerator also has a circulating working medium channel that communicates with the compressor;
  • the high-temperature heat exchanger also has a high-temperature heat medium channel that communicates with the outside
  • the heater also has a heated medium channel that communicates with the outside, and the evaporator has a low-temperature heat medium channel.
  • the expander and the second expander are connected to the 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 is mainly composed of compressor, expander, second expander, throttle valve, high temperature heat exchanger, heat supply, evaporator, regenerator and second heat supply Composed of; the compressor has a circulating working medium channel connected with the high-temperature heat exchanger, the high-temperature heat exchanger also has a circulating working medium channel connected with the expander, and the expander has a circulating working medium channel connected with the heat supply and then divided into two paths— — The first path is connected to the heat regenerator through the second expander, the second path is connected to the heat regenerator through the second heat supplier, and then the regenerator is connected to the evaporator through a throttle valve with a condensate pipe.
  • the evaporator There is also a circulating working medium channel that communicates with the regenerator, and the regenerator also has a circulating working medium channel that communicates with the compressor; the high-temperature heat exchanger also has a high-temperature heat medium channel that communicates with the outside, and the heat supply and the second heat supply also The heated medium channel is connected to the outside, and the evaporator has a low-temperature heat medium channel connected to the outside.
  • the expander and the second expander are connected to the compressor and transmit power to form a first type of heat-driven combined cycle heat pump device.
  • the first type of heat-driven combined cycle heat pump device is mainly composed of compressor, expander, second expander, throttle valve, high temperature heat exchanger, heat supply, evaporator, regenerator, nozzle and second Composed of the regenerator;
  • the compressor has a circulating working medium channel connected with the high-temperature heat exchanger
  • the high-temperature heat exchanger also has a circulating working medium channel connected with the expander
  • the expander has a circulating working medium channel connected with the heat supplier and then divided into Two paths-the first path is connected to the second expander, the second path is connected to the regenerator through the second regenerator, and then divided into two paths-the first path is led out from the middle or the end of the regenerator and passed through the nozzle After connecting to the second regenerator, it communicates with the second expander through the intermediate inlet port.
  • the second path is led out from the end of the regenerator and communicates with the evaporator through a throttle valve.
  • the second expander also has a circulating working fluid channel and The regenerator is connected; the evaporator also has a circulating working medium channel that communicates with the regenerator, and the regenerator also has a circulating working medium channel that communicates with the compressor; the high-temperature heat exchanger also has a high-temperature heat medium channel that communicates with the outside, and the heat supply device
  • the heated medium channel is connected to the outside, and the evaporator has a low-temperature heat medium channel connected to the outside.
  • the expander and the second expander are connected to the 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 is mainly composed of compressor, expander, second expander, throttle valve, high temperature heat exchanger, heat supply, evaporator, regenerator and reheater ;
  • the compressor has a circulating working medium channel connected with the high-temperature heat exchanger, the high-temperature heat exchanger also has a circulating working medium channel connected with the expander, and the expander has a circulating working medium channel connected with the heat supplier and then divided into two paths-No.
  • the regenerator has a condensate pipe connected to the evaporator through a throttle valve.
  • the evaporator also has a circulating working medium channel that communicates with the regenerator, and the regenerator has a circulating working medium channel.
  • the high-temperature heat exchanger also has a high-temperature heat medium channel that communicates with the outside
  • the heater also has a heated medium channel that communicates with the outside
  • the evaporator has a low-temperature heat medium channel that communicates with the outside
  • the expander and the second expansion The machine is connected to the compressor and transmits 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 is to add a medium temperature regenerator to any one of the first type of heat-driven combined cycle heat pump devices described in items 1-4, and the regenerator has a cycle work.
  • the communication between the mass passage and the compressor is adjusted so that the regenerator has a circulating working medium passage through the medium temperature regenerator to communicate with the compressor.
  • the mass channel is connected to the medium temperature regenerator through the heat supply and is divided into two paths 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 mainly composed of compressor, expander, second expander, throttle valve, high temperature heat exchanger, heat supply, evaporator, regenerator and second heat supply Composed of;
  • the compressor has a circulating working medium channel connected with the high-temperature heat exchanger, the high-temperature heat exchanger also has a circulating working medium channel connected with the expander, the expander also has a first circulating working medium channel connected with the heat supply, and the expander
  • the second heat supply device also has a circulating working medium channel that communicates with the regenerator through the second expander, the evaporator also has a circulating working medium channel that communicates with the regenerator, and the regenerator also has a circulating working medium channel that communicates with the compressor;
  • the heat exchanger also has a high-temperature heat medium channel that communicates with the outside, the heat supplier and the second heat supplier 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, the expander and the second
  • the expander is connected to the compressor and transmits 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 is mainly composed of compressor, expander, second expander, throttle valve, high temperature heat exchanger, heat supply, evaporator, regenerator and second heat supply
  • the compressor has a circulating working medium channel connected with the high-temperature heat exchanger
  • the high-temperature heat exchanger also has a circulating working medium channel connected with the expander
  • the expander has a first circulating working medium channel connected with the second heat supplier
  • the expander also has a second circulating working medium channel that is connected to the heat supplier
  • the heat supplier also has a circulating working medium channel that communicates with the heat regenerator.
  • the second heat supply device also has a circulating working medium channel that communicates with the regenerator through the second expander, the evaporator also has a circulating working medium channel that communicates with the regenerator, and the regenerator also has a circulating working medium channel that communicates with the compressor;
  • the heat exchanger also has a high-temperature heat medium channel that communicates with the outside, the heat supplier and the second heat supplier 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, the expander and the second
  • the expander is connected to the compressor and transmits 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 is mainly composed of compressor, expander, second expander, throttle valve, high temperature heat exchanger, heat supply, evaporator, regenerator, and second heat supply It is composed of a new compressor; the compressor has a circulating working medium channel connected with the high-temperature heat exchanger, the high-temperature heat exchanger also has a circulating working medium channel connected with the expander, and the expander also has a circulating working medium channel connected with the heat supplier ,
  • the heat supply device also has a circulating working medium channel connected with the regenerator, and then the regenerator has a condensate pipeline connected with the evaporator through a throttle valve, and the evaporator has a circulating working medium channel connected with the regenerator to recover heat.
  • the heater also has a circulating working medium channel that is connected to the compressor and the newly added compressor, and the newly added compressor also has a circulating working medium channel that communicates with the second heater.
  • the second heater also has a circulating working medium channel through the second heater.
  • the expander is connected to the heat regenerator; the high-temperature heat exchanger also has a high-temperature heat medium channel to communicate with the outside, the heat supply and the second heat supply also have a heated medium channel to communicate with the outside, and the evaporator also has a low-temperature heat medium channel.
  • the expander and the second expander connect the 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 heat-driven combined cycle heat pump device is to add a new heat supply to any one of the first type of heat-driven combined cycle heat pump devices described in items 6-8, and the heat supply is circulated.
  • the communication between the working medium channel and the regenerator is adjusted so that the heat supply has a circulating working medium channel that communicates with the regenerator through the newly added heat supply device, and the newly added heat supply device also communicates with the outside with the heated medium channel, forming the first type of heat Drive the combined cycle heat pump device.
  • the first type of heat-driven combined cycle heat pump device is to add nozzles and a second regenerator to any one of the first type of heat-driven combined cycle heat pump devices described in items 6-8 to provide heat
  • the regenerator has a circulating working medium channel connected to the heat regenerator and adjusted to a circulating working medium channel for the heat supply device to communicate with the regenerator via the second regenerator, and the regenerator is additionally provided with a circulating working medium channel through the nozzle and the second regenerator After that, it communicates with the second expander through the middle intake port 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 to add a reheater to any one of the first type of heat-driven combined cycle heat pump devices described in items 6-8, and the heat supply has a circulating working medium.
  • the communication between the passage and the regenerator is adjusted so that the circulating working medium passage of the heat supply device is connected to the regenerator through the reheater, and the second heat supply device is connected to the regenerator through the second expander and the regenerator is connected to the second heat exchanger.
  • the second heat supply device has a circulating working medium channel connected with the second expander, the second expander also has a circulating working medium channel connected with the second expander through a reheater, and the second expander has a circulating working medium channel and recuperative heat
  • the device is connected 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 any one of the first type of heat-driven combined cycle heat pump devices described in items 1-11, in which the throttle valve and the evaporator and its communication with the outside are eliminated
  • the low-temperature heat medium channel of the evaporator is adjusted to communicate with the circulating working medium channel of the evaporator and the regenerator is connected to the external steam channel to communicate with the regenerator, and the condensate pipeline of the regenerator is connected to the evaporator through the throttle valve.
  • the regenerator has a condensate pipeline to communicate with the outside, 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 devices described in items 1-11.
  • the throttle valve is eliminated, the turbine is added, and the regenerator has
  • the condensate pipeline is connected to the evaporator through a throttle valve and adjusted to a regenerator.
  • the condensate pipeline is connected to the evaporator via a turbine.
  • the turbine is connected to the compressor and transmits 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 to add a new regenerator to any one of the first type of heat-driven combined cycle heat pump devices described in items 1-13, and the compressor has a cycle work.
  • 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 the new regenerator is connected with the high-temperature heat exchanger, and the expansion machine has a circulating working medium channel and the heat supplier are connected to the expander and the circulation
  • the working fluid channel is connected with the heat supply through the newly added regenerator, forming the first type of heat-driven combined cycle heat pump device.
  • the first type of heat-driven combined cycle heat pump device is to add a dual-energy compressor and replace the compressor to increase the expansion and increase Speed engine replaces the expander, adds a second expansion speeder and replaces the second expander, adds a new nozzle and replaces the throttle valve, forming the first type of heat-driven combined cycle heat pump device.
  • Figure 1/15 is the first principle thermal system diagram of the first type of thermally driven combined cycle heat pump device provided by the present invention.
  • Figure 2/15 is the second principle thermal system diagram of the first type of thermally driven combined cycle heat pump device provided by the present invention.
  • Figure 3/15 is a third principle thermal system diagram of the first type of thermally driven combined cycle heat pump device provided by the present invention.
  • Figure 4/15 is a fourth principle thermal system diagram of the first type of thermally driven combined cycle heat pump device provided by the present invention.
  • Figure 5/15 is a fifth principle thermal system diagram of the first type of thermally driven combined cycle heat pump device provided by the present invention.
  • Figure 6/15 is a sixth principle thermal system diagram of the first type of thermally driven combined cycle heat pump device provided by the present invention.
  • Figure 7/15 is the seventh principle thermal system diagram of the first type of thermally driven combined cycle heat pump device according to the present invention.
  • Figure 8/15 is a diagram of the eighth principle thermal system of the first type of thermally driven combined cycle heat pump device provided by the present invention.
  • Figure 9/15 is a ninth principle thermal system diagram of the first type of thermally driven combined cycle heat pump device provided by the present invention.
  • Figure 10/15 is a tenth principle thermal system diagram of the first type of thermally driven combined cycle heat pump device provided by the present invention.
  • Figure 11/15 is the 11th principle thermal system diagram of the first type of thermally driven combined cycle heat pump device provided by the present invention.
  • Figure 12/15 is the twelfth principle thermal system diagram of the first type of thermally driven combined cycle heat pump device according to the present invention.
  • Figure 13/15 is a diagram of the thirteenth principle thermal system of the first type of thermally driven combined cycle heat pump device provided by the present invention.
  • Figure 14/15 is the 14th principle thermal system diagram of the first type of thermally driven combined cycle heat pump device provided by the present invention.
  • Figure 15/15 is a 15th principle thermal system diagram of the first type of thermally driven combined cycle heat pump device provided by the present invention.
  • the first type of heat-driven combined cycle heat pump device shown in Figure 1/15 is realized as follows:
  • the compressor 1 has a circulating working fluid channel It is connected to the high-temperature heat exchanger 5.
  • the high-temperature heat exchanger 5 also has a circulating working medium channel which is connected to the expander 2.
  • the expander 2 also has a circulating working medium channel which is connected to the heat supplier 6 and then divided into two paths-the first path
  • the second expander 3 is connected to the heat regenerator 8.
  • the second path is directly connected to the heat regenerator 8.
  • the evaporator 7 After the heat regenerator 8 has a condensate pipe connected to the evaporator 7 through the throttle valve 4, the evaporator 7 has a circulation
  • the working medium channel is connected to the heat regenerator 8.
  • the regenerator 8 also has a circulating working medium channel that communicates with the compressor 1; the high-temperature heat exchanger 5 also has a high-temperature heat medium channel that communicates with the outside, and the heat supply 6 also has a heated medium.
  • the passage communicates with the outside, the evaporator 7 also has a low-temperature heat medium passage communicating with the outside, and the expander 2 and the second expander 3 are connected to the compressor 1 and transmit power.
  • the circulating working fluid discharged from the second expander 3 and the evaporator 7 enters the regenerator 8 to absorb heat and increase the temperature, and then enters the compressor 1 to increase the pressure and increase the temperature; the circulating working fluid discharged from the compressor 1 flows through the high temperature heat
  • the exchanger 5 absorbs heat, flows through the expander 2 to reduce pressure, and then flows through the heat supply 6 and releases heat. Then it is divided into two paths-the first path flows through the second expander 3 to reduce pressure and then enters the return circuit.
  • Heater 8 the second path flows through the regenerator 8 to dissipate heat, condense and flow through the throttle valve 4 to throttle and reduce pressure, and then enter the evaporator 7; the circulating working fluid that enters the evaporator 7 absorbs heat and vaporizes, and then enters the regenerator 8;
  • the work output from the expander 2 and the second expander 3 provides power to the compressor 1, or the work output from the expander 2 and the second expander 3 provides power to the compressor 1 and outside at the same time, or the expander 2,
  • the second expander 3 and the outside together provide power to the compressor 1;
  • the high-temperature heat medium passes through the high-temperature heat exchanger 5 to provide driving heat load, the heated medium obtains the medium-temperature heat load through the heater 6 and the low-temperature heat medium passes through the evaporator 7 Provide low-temperature heat load, forming the first type of heat-driven combined cycle heat pump device.
  • the first type of heat-driven combined cycle heat pump device shown in Figure 2/15 is realized as follows:
  • compressor 1 has a circulating working medium channel connected with the high temperature heat exchanger 5, the high temperature heat exchanger 5 has a circulating working medium channel connected with the expander 2, and the expander 2 has a circulating working medium channel connected with the heat supplier 6 and then divided into two paths ——The first path is connected to the heat regenerator 8 through the second expander 3, and the second path is connected to the heat regenerator 8 through the second heat supplier 10, and then the regenerator 8 has a condensate pipeline through the throttle valve 4 It is connected to the evaporator 7.
  • the evaporator 7 also has a circulating working medium channel which is connected to the heat regenerator 8, and the regenerator 8 also has a circulating working medium channel which is connected to the compressor 1.
  • the high temperature heat exchanger 5 also has a high temperature heat medium channel and Externally connected, the heat supply 6 and the second heat supply 10 respectively have a medium to be heated channel to communicate with the outside, the evaporator 7 also has a low-temperature heat medium channel to communicate with the outside, and the expander 2 and the second expander 3 are connected to the compressor 1 and transmit power.
  • the circulating working fluid discharged from the second expander 3 and the evaporator 7 enters the regenerator 8 to absorb heat and increase the temperature, and then enters the compressor 1 to increase the pressure and increase the temperature; the circulating working fluid discharged from the compressor 1 flows through the high temperature heat
  • the exchanger 5 absorbs heat, flows through the expander 2 to reduce pressure, and then flows through the heat supply 6 and releases heat. Then it is divided into two paths-the first path flows through the second expander 3 to reduce pressure and then enters the return circuit.
  • Heater 8 the second path flows through the second heat supply device 10, the regenerator 8 releases heat and condenses, and flows through the throttle valve 4 and enters the evaporator 7 after throttling and pressure reduction; the circulating working fluid entering the evaporator 7 absorbs heat It is vaporized and then enters the regenerator 8; the work output from the expander 2 and the second expander 3 is provided to the compressor 1 as power, or the work output from the expander 2 and the second expander 3 is provided to the compressor 1 and the outside at the same time Power, or the expander 2, the second expander 3 and the outside together provide power to the compressor 1; the high-temperature heat medium provides driving heat load through the high-temperature heat exchanger 5, and the heated medium passes through the heat supply 6 and the second heat supply 10 Obtain the medium temperature heat load, and the low temperature heat medium provides the low temperature heat load through the evaporator 7, forming the first type of heat-driven combined cycle heat pump device.
  • the first type of heat-driven combined cycle heat pump device shown in Figure 3/15 is realized as follows:
  • Compressor 1 has a circulating working medium channel connected with the high-temperature heat exchanger 5, the high-temperature heat exchanger 5 has a circulating working medium channel connected with the expander 2, and the expander 2 has a circulating working medium channel connected with the heat supplier 6
  • the second expander 3 also has a circulating working medium channel that communicates with the regenerator 8; the evaporator 7 also has a circulating working medium channel that communicates with the regenerator 8, and the regenerator 8 also has a circulating working medium channel that communicates with the compressor 1;
  • the high-temperature heat exchanger 5 also has a high-temperature heat medium channel that communicates with the outside, the heater 6 also has a heated medium channel that communicates with the outside, the evaporator 7 also has a low-temperature heat medium channel that communicates with the outside, the expander 2 and the second expander 3 Connect compressor 1 and transmit power.
  • the circulating working fluid discharged from the second expander 3 and the evaporator 7 enters the regenerator 8 to absorb heat and increase the temperature, and then enters the compressor 1 to increase the pressure and increase the temperature; the circulating working fluid discharged from the compressor 1 flows through the high temperature heat
  • the exchanger 5 absorbs heat, flows through the expander 2 to reduce pressure, and then flows through the heat supply 6 and releases heat. Then it is divided into two paths-the first path flows through the second expander 3 to reduce pressure and then enters the return circuit.
  • Heater 8 the second path flows through the second regenerator 12 and releases heat, and then enters the regenerator 8 to release heat and is partially or completely condensed, and then divided into two paths-the first path flows through the nozzle 11 to reduce the pressure Increase the speed, flow through the second regenerator 12 to absorb heat, enter the second expander 3 through the intermediate inlet port to reduce pressure, and then enter the regenerator 8, after the second path condensate or the second path continue to release heat
  • the condensate flows into the evaporator 7 after being throttled and depressurized by the throttle valve 4; the circulating working fluid that enters the evaporator 7 absorbs heat and vaporizes, and then enters the regenerator 8; the expander 2 and the second expander 3 provide work Power the compressor 1, or the output of the expander 2 and the second expander 3 provide power to the compressor 1 and the outside at the same time, or the expander 2, the second expander 3 and the outside together provide power to the compressor 1;
  • the high temperature heat medium provides driving heat load through the high temperature heat
  • the first type of heat-driven combined cycle heat pump device shown in Figure 4/15 is realized as follows:
  • compressor 1 has The circulating working medium channel is connected to the high temperature heat exchanger 5, the high temperature heat exchanger 5 also has a circulating working medium channel connected to the expander 2, and the expander 2 also has a circulating working medium channel connected to the heater 6 and then divided into two paths——
  • the first path is connected with the second expander 3, the second expander 3 also has a circulating working medium channel through the reheater 13 and the second expander 3, and the second expander 3 has a circulating working medium channel and a regenerator 8 is connected, and the second path is connected to the regenerator 8 through the reheater 13 and then the regenerator 8 has a condensate pipeline that communicates with the evaporator 7 through the throttle valve 4, and the evaporator 7 also has a circulating working fluid channel and a return
  • the heat exchanger 8 is connected, and the regenerator 8 also has
  • the circulating working fluid discharged from the second expander 3 and the evaporator 7 enters the regenerator 8 to absorb heat and increase the temperature, and then enters the compressor 1 to increase the pressure and increase the temperature; the circulating working fluid discharged from the compressor 1 flows through the high temperature heat
  • the exchanger 5 absorbs heat, flows through the expander 2 to reduce pressure and performs work, flows through the heat supply 6 and releases heat, and then divides into two paths—the first path enters the second expander 3 to reduce pressure and perform work to a certain extent.
  • the heat is absorbed by the reheater 13, and it enters the second expander 3 to continue the pressure reduction work, and then enters the heat regenerator 8.
  • the throttle valve 4 After the throttle valve 4 throttling and reducing the pressure, it enters the evaporator 7; the circulating working fluid entering the evaporator 7 absorbs heat and vaporizes, and then enters the regenerator 8; the work output from the expander 2 and the second expander 3 is provided to the compressor
  • the compressor 1 is powered by the compressor 1, or the work output by the expander 2 and the second expander 3 provides power to the compressor 1 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; high temperature heat
  • the medium passes through the high temperature heat exchanger 5 to provide driving heat load, the heated medium obtains the medium temperature heat load through the heat supplier 6, and the low temperature heat medium provides low temperature heat load through the evaporator 7, forming the first type of heat-driven combined cycle heat pump device.
  • the first type of heat-driven combined cycle heat pump device shown in Figure 5/15 is realized as follows:
  • a medium temperature regenerator is added, and the regenerator 8 has a circulating working medium channel to communicate with the compressor 1 to adjust the heat recovery
  • the device 8 has a circulating working medium channel that communicates with the compressor 1 through a medium-temperature regenerator 14.
  • the expander 2 has a circulating working medium channel and the heat supplier 6 are connected, it is divided into two paths and adjusted to the expander 2 with a circulating working medium channel through the supply
  • the heat exchanger 6 is connected to the medium temperature regenerator 14 and then divided into two paths.
  • the first type of heat-driven combined cycle heat pump device shown in Figure 6/15 is realized as follows:
  • compressor 1 has a circulating working medium channel connected with the high-temperature heat exchanger 5, the high-temperature heat exchanger 5 has a circulating working medium channel connected with the expander 2, and the expander 2 has a first circulating working medium channel connected with the heat supply 6 for expansion
  • the machine 2 also has a second circulating working medium channel which is connected to the second heat supplier 10.
  • the heat supplier 6 also has a circulating working medium channel which is connected to the heat regenerator 8. After that, the heat regenerator 8 has a condensate pipeline through the throttle valve.
  • the second heat supply device 10 also has a circulating working medium channel that communicates with the regenerator 8 through the second expander 3, and the evaporator 7 also has a circulating working medium channel that communicates with the regenerator 8, and heat recovery
  • the device 8 also has a circulating working medium channel that communicates with the compressor 1;
  • the high-temperature heat exchanger 5 also has a high-temperature heat medium channel that communicates with the outside, and the heater 6 and the second heater 10 also have a heated medium channel that communicates with the outside.
  • the evaporator 7 also has a low-temperature heat medium channel to communicate with the outside, and the expander 2 and the second expander 3 are connected to the compressor 1 and transmit power.
  • the circulating working fluid discharged from the second expander 3 and the evaporator 7 enters the regenerator 8 to absorb heat and increase the temperature, and then enters the compressor 1 to increase the pressure and increase the temperature; the circulating working fluid discharged from the compressor 1 flows through the high temperature heat
  • the exchanger 5 absorbs heat and enters the expander 2 to reduce the pressure to a certain degree and then divides into two paths-the first path flows through the heat supply 6 to release heat, flows through the regenerator 8 to release heat and condenses, and flows through the throttle valve 4 Throttle and reduce pressure and enter the evaporator 7, the second path continues to reduce pressure to perform work, flows through the second heater 10 to dissipate heat, flows through the second expander 3 to reduce pressure and enters the regenerator 8; The circulating working fluid of the evaporator 7 absorbs heat and vaporizes, and then enters the regenerator 8; the work output from the expander 2 and the second expander 3 is provided to the compressor 1 as power, or the expander 2 and the second
  • the high-temperature heat medium provides driving heat load through the high-temperature heat exchanger 5, and the heated medium passes through the The heat exchanger 6 and the second heat supplier 10 obtain the medium temperature heat load, and the low temperature heat medium provides the low temperature heat load through the evaporator 7 to form the first type of heat-driven combined cycle heat pump device.
  • the first type of heat-driven combined cycle heat pump device shown in Figure 7/15 is realized as follows:
  • compressor 1 has a circulating working medium channel connected with the high temperature heat exchanger 5, the high temperature heat exchanger 5 has a circulating working medium channel connected with the expander 2, and the expander 2 has a first circulating working medium channel connected with the second heat supplier 10 ,
  • the expander 2 also has a second circulating working medium channel that is connected to the heat supplier 6, and the heat supplier 6 also has a circulating working medium channel that is connected to the heat regenerator 8.
  • the second heat supply device 10 also has a circulating working medium channel that communicates with the regenerator 8 through the second expander 3, and the evaporator 7 also has a circulating working medium channel that communicates with the regenerator 8, and heat recovery
  • the device 8 also has a circulating working medium channel that communicates with the compressor 1;
  • the high-temperature heat exchanger 5 also has a high-temperature heat medium channel that communicates with the outside, and the heater 6 and the second heater 10 also have a heated medium channel that communicates with the outside.
  • the evaporator 7 also has a low-temperature heat medium channel to communicate with the outside, and the expander 2 and the second expander 3 are connected to the compressor 1 and transmit power.
  • the circulating working fluid discharged from the second expander 3 and the evaporator 7 enters the regenerator 8 to absorb heat and increase the temperature, and then enters the compressor 1 to increase the pressure and increase the temperature; the circulating working fluid discharged from the compressor 1 flows through the high temperature heat
  • the exchanger 5 absorbs heat and enters the expander 2 to reduce pressure to a certain degree and then divides into two paths-the first path flows through the second heater 10 to release heat, flows through the second expander 3 to reduce pressure and enters Regenerator 8, the second path continues to reduce pressure for work, flows through the heater 6 to release heat, flows through the regenerator 8 to release heat and condenses, and flows through the throttle valve 4 to throttle and reduce the pressure and enter the evaporator 7; enter The circulating working fluid of the evaporator 7 absorbs heat and vaporizes, and then enters the regenerator 8; the work output from the expander 2 and the second expander 3 is provided to the compressor 1 as power, or the expander 2 and the second expander 3 output The work
  • the high-temperature heat medium provides driving heat load through the high-temperature heat exchanger 5, and the heated medium passes through the The heat exchanger 6 and the second heat supplier 10 obtain the medium temperature heat load, and the low temperature heat medium provides the low temperature heat load through the evaporator 7 to form the first type of heat-driven combined cycle heat pump device.
  • the first type of heat-driven combined cycle heat pump device shown in Figure 8/15 is realized as follows:
  • Compressor 1 has a circulating working medium channel connected with the high-temperature heat exchanger 5, the high-temperature heat exchanger 5 also has a circulating working medium channel connected with the expander 2, and the expander 2 has a circulating working medium channel and a heat supply 6 Connected, the heat supply 6 has a circulating working medium channel to communicate with the regenerator 8, and then the regenerator 8 has a condensate pipeline that communicates with the evaporator 7 through the throttle valve 4, and the evaporator 7 also has a circulating working medium channel with The regenerator 8 is connected, and the regenerator 8 has a circulating working medium channel respectively connected to the compressor 1 and the newly added compressor A, and the newly added compressor A also has a circulating working medium channel connected to the second heat supplier 10.
  • the second heat supply device 10 also has a circulating working medium channel that communicates with the heat regenerator 8 through the second expander 3; the high-temperature heat exchanger 5 also has a high-temperature heat medium channel that communicates with the outside, the heat supply device 6 and the second heat supply device 10 There are also channels for the heated medium to communicate with the outside, and the evaporator 7 also has a channel for low-temperature heating medium to communicate with the outside.
  • the expander 2 and the second expander 3 are connected to the compressor 1 and the newly added compressor A and transmit power.
  • the circulating working fluid discharged from the second expander 3 and the evaporator 7 enters the regenerator 8 to absorb heat and increase heat, and then is divided into two paths-the first path flows through the newly added compressor A to increase the pressure and increase the temperature and flow
  • the heat is released by the second heat supply device 10, the second expander 3 is used to reduce the pressure and enters the regenerator 8, the second path flows through the compressor 1 to increase the pressure, and flows through the high-temperature heat exchanger 5 and absorbs heat.
  • the work output by the expander 2 and the second expander 3 is provided to the compressor 1 and the newly added compressor A as power, or the expander 2 and the second expansion
  • the work output by the unit 3 provides power to the compressor 1, the newly added compressor A and the outside at the same time, or the expander 2, the second expander 3 and the outside together provide power to the compressor 1 and the newly added compressor A; high-temperature heat medium
  • the high temperature heat exchanger 5 provides the driving heat load, the heated medium obtains the medium temperature heat load through the heat supply 6 and the second heat supply 10, and the low temperature heat medium provides the low temperature heat load through the evaporator 7, forming the first type of heat driving Combined cycle heat pump device.
  • the first type of heat-driven combined cycle heat pump device shown in Figure 9/15 is realized as follows:
  • the first type of heat-driven combined cycle heat pump device shown in Figure 10/15 is realized as follows:
  • the first type of heat-driven combined cycle heat pump device shown in Figure 11/15 is realized as follows:
  • a reheater is added, and the heat supply 6 has a circulating working medium channel to communicate with the heat regenerator 8 to adjust the heat supply
  • the device 6 has a circulating working medium channel that communicates with the regenerator 8 through the reheater 13
  • the second heat supply device 10 has a circulating working medium channel that communicates with the regenerator 8 through the second expander 3 and is adjusted to be a second heat supplier 10
  • the second expander 3 also has a circulating working medium channel in communication with the second expander 3 via a reheater 13
  • the second expander 3 has a circulating working medium channel and
  • the regenerator 8 is connected.
  • the first type of heat-driven combined cycle heat pump device shown in Figure 12/15 is implemented as follows:
  • the circulating working fluid in the external steam state enters the regenerator 8
  • the circulating working fluid discharged from the second expander 3 enters the regenerator 8
  • the two-circuit circulating working fluids absorb heat and rise up and enter the compressor 1 to boost the pressure.
  • Heat up; the circulating working fluid discharged from the compressor 1 flows through the high-temperature heat exchanger 5 to absorb heat and heat up, flows through the expander 2 to reduce pressure to perform work, flows through the heat supply 6 and releases heat, and then divides into two paths-the first path It flows through the second expander 3 to reduce pressure and then enters the regenerator 8.
  • the second flow through the regenerator 8 releases heat and condenses and then discharges to the outside;
  • the work output by the expander 2 and the second expander 3 is provided to the compressor 1 is used as power, or the output of the expander 2 and the second expander 3 provide power to the compressor 1 and the outside at the same time, or the expander 2, the second expander 3 and the outside together provide power to the compressor 1;
  • high-temperature heat medium The high temperature heat exchanger 5 provides the driving heat load, the heated medium obtains the medium temperature heat load through the heat supplier 6, and the external steam provides the low temperature heat load through the in and out process, forming the first type of heat-driven combined cycle heat pump device.
  • the first type of heat-driven combined cycle heat pump device shown in Figure 13/15 is realized as follows:
  • the first type of heat-driven combined cycle heat pump device shown in Figure 14/15 is realized as follows:
  • the first type of heat-driven combined cycle heat pump device shown in Figure 15/15 is realized as follows:
  • the circulating working fluid discharged by the second expansion speed increaser F and the evaporator 7 enters the regenerator 8 to absorb heat and increase the temperature, and then enters the dual-energy compressor D to increase the pressure and increase the speed and decrease the speed; the dual-energy compressor D
  • the discharged circulating working fluid flows through the high temperature heat exchanger 5 and absorbs heat, flows through the expansion speed increaser E to reduce pressure and increase the speed, flows through the heat supply 6 and releases heat, and then is divided into two paths-the first path After passing through the second expansion speed increaser F to reduce pressure and increase the speed, it enters the regenerator 8.
  • the second path flows through the regenerator 8 to dissipate heat and condense, and flows through the newly added nozzle G to reduce the pressure and increase the speed and then enter the evaporation. ⁇ 7;
  • the circulating working fluid that enters the evaporator 7 absorbs heat and vaporizes, and then enters the regenerator 8;
  • the work output by the expansion speed increaser E and the second expansion speed increaser F is provided to the dual-energy compressor D for power, or expansion
  • the work output by the speed increaser E and the second expansion speed increaser F provides power to the dual energy compressor D and the outside at the same time, or the expansion speed increaser E, the second expansion speed increaser F and the outside jointly provide power to the dual energy compressor D Provide power;
  • the high temperature heat medium provides driving heat load through the high temperature heat exchanger 5, the heated medium obtains the medium temperature heat load through the heater 6, and the low temperature heat medium provides low temperature heat load through the evaporator 7, forming the first type of heat driving combination Circulating heat pump device.
  • phase change process is adopted to complete the acquisition of the 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 temperature difference loss 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 heat release process mainly depends on the temperature change process or the combination of the temperature change heat release and the condensation heat release, which is beneficial to reduce the temperature difference heat transfer loss in the heat release link, improve the performance index, and realize high-efficiency heating and high-efficiency high-temperature heating.
  • a single working fluid is conducive 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 zone to alleviate or solve the contradiction between the performance index, circulating medium parameters and the pressure and temperature resistance of pipes in 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 se rapporte au domaine technique de la réfrigération et des pompes à chaleur. Un dispositif de pompe à chaleur à cycle combiné à entraînement thermique de premier type est divulgué. Un compresseur (1) est pourvu d'un canal de fluide de travail en circulation en communication avec un échangeur de chaleur à haute température (5). L'échangeur de chaleur à haute température (5) est en outre pourvu d'un canal de fluide de travail en circulation en communication avec un détendeur (2). Le détendeur (2) est en outre pourvu d'un canal de fluide de travail en circulation en communication avec un dispositif d'alimentation en chaleur (6). Lorsque les unités ci-dessus ont été mises en communication les unes avec les autres, deux trajets sont formés, un premier trajet étant en communication avec un régénérateur de chaleur (8) au moyen d'un second détendeur (3), et un second trajet communiquant directement avec le régénérateur de chaleur (8). Le régénérateur de chaleur (8) est en outre pourvu d'un pipeline de condensat en communication avec un évaporateur (7) au moyen d'un papillon des gaz (4). L'évaporateur (7) est en outre pourvu d'un canal de fluide de travail en circulation en communication avec le régénérateur de chaleur (8). Le régénérateur de chaleur (8) est en outre pourvu d'un canal de fluide de travail en circulation en communication avec le compresseur (1). Un canal de milieu thermique à haute température de l'échangeur de chaleur à haute température (5), un canal de milieu chauffé du dispositif d'alimentation en chaleur (6) et un canal de milieu thermique à basse température de l'évaporateur (7) communiquent respectivement avec l'extérieur. Le détendeur (2) et le second détendeur (3) sont reliés au compresseur (1) et transmettent de l'énergie. Le dispositif de pompe à chaleur à cycle combiné à entraînement thermique de premier type est ainsi formé.
PCT/CN2021/000115 2020-05-31 2021-05-27 Dispositif de pompe à chaleur à cycle combiné à entraînement thermique de premier type WO2021244028A1 (fr)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005345023A (ja) * 2004-06-03 2005-12-15 Toyota Motor Corp 熱音響エンジン
CN203298519U (zh) * 2013-04-18 2013-11-20 南京瑞柯徕姆环保科技有限公司 一种复叠式冷力循环制冷装置
CN103900281A (zh) * 2014-03-21 2014-07-02 山东美琳达再生能源开发有限公司 一种可实现循环加热的二氧化碳热泵装置及使用方法
CN106322828A (zh) * 2016-04-17 2017-01-11 李华玉 第二类热驱动压缩式热泵
CN106440503A (zh) * 2016-04-17 2017-02-22 李华玉 第一类热驱动压缩式热泵
CN108131866A (zh) * 2016-11-24 2018-06-08 李华玉 第一类热驱动压缩式热泵
CN110530058A (zh) * 2018-05-20 2019-12-03 李华玉 联合循环热泵装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005345023A (ja) * 2004-06-03 2005-12-15 Toyota Motor Corp 熱音響エンジン
CN203298519U (zh) * 2013-04-18 2013-11-20 南京瑞柯徕姆环保科技有限公司 一种复叠式冷力循环制冷装置
CN103900281A (zh) * 2014-03-21 2014-07-02 山东美琳达再生能源开发有限公司 一种可实现循环加热的二氧化碳热泵装置及使用方法
CN106322828A (zh) * 2016-04-17 2017-01-11 李华玉 第二类热驱动压缩式热泵
CN106440503A (zh) * 2016-04-17 2017-02-22 李华玉 第一类热驱动压缩式热泵
CN108131866A (zh) * 2016-11-24 2018-06-08 李华玉 第一类热驱动压缩式热泵
CN110530058A (zh) * 2018-05-20 2019-12-03 李华玉 联合循环热泵装置

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