WO2021072990A1 - Dispositif de pompe à chaleur à cycle combiné à fluide de travail unique - Google Patents

Dispositif de pompe à chaleur à cycle combiné à fluide de travail unique Download PDF

Info

Publication number
WO2021072990A1
WO2021072990A1 PCT/CN2020/000254 CN2020000254W WO2021072990A1 WO 2021072990 A1 WO2021072990 A1 WO 2021072990A1 CN 2020000254 W CN2020000254 W CN 2020000254W WO 2021072990 A1 WO2021072990 A1 WO 2021072990A1
Authority
WO
WIPO (PCT)
Prior art keywords
compressor
regenerator
heat
medium channel
evaporator
Prior art date
Application number
PCT/CN2020/000254
Other languages
English (en)
Chinese (zh)
Inventor
李华玉
李鸿瑞
Original Assignee
李华玉
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 李华玉 filed Critical 李华玉
Publication of WO2021072990A1 publication Critical patent/WO2021072990A1/fr

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00—Heat pumps
    • F25B30/02—Heat pumps of the compression type

Definitions

  • the invention belongs to the technical field of refrigeration and heat pumps.
  • Cold demand, heat demand and power demand are common in human life and production; among them, the use of mechanical energy to convert heat energy is an important way to achieve cooling and efficient heating.
  • the temperature of the cooling medium changes during refrigeration, and the temperature of the heated medium often changes during heating; when using mechanical energy to heat, often the heated medium has the dual characteristics of variable temperature and high temperature at the same time, which makes the use of a single Thermal cycle theory has many problems such as unreasonable performance index, low heating parameters, high compression ratio, and too much working pressure when it realizes cooling or heating.
  • the temperature difference between the working fluid and the heated medium loses a lot; at the same time, the condensate loses a lot in the depressurization process or is used
  • the cost is high; when the supercritical working condition is adopted, the compression ratio is high, which makes the manufacturing cost of the compressor high and the safety is reduced; in both cases, it is difficult to eliminate the side effects of obtaining low-temperature heat load.
  • the gas compression heat pump device based on the reverse Brayton cycle requires a relatively low compression, which limits the improvement of heating parameters; at the same time, the low temperature process is variable temperature, which makes the low temperature link of cooling or heating often large The temperature difference loss, the performance index is not ideal.
  • the present invention proposes a single working substance combined cycle heat pump device.
  • the main purpose of the present invention is to provide a single working substance combined cycle heat pump device.
  • the specific content of the invention is described as follows:
  • Single working fluid combined cycle heat pump device mainly composed of compressor, expander, second compressor, throttle valve, third compressor, heat supply, second heat supply, evaporator and regenerator ;
  • the compressor has a circulating working medium channel connected to the heat supply and is divided into two paths-the first path is connected to the heat regenerator through the expander, the second path is connected to the second compressor through the second heat supply, and the second compression
  • the machine also has a circulating working medium channel that communicates with the regenerator.
  • the regenerator has a condensate pipeline that communicates with the evaporator through a throttle valve
  • the evaporator also has a circulating working medium channel that communicates with the regenerator through the third compressor.
  • the regenerator also has a circulating working medium channel that communicates with the compressor; the heat supplier 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 is connected to compress The machine and transmission power form a single working substance combined cycle heat pump device.
  • Single working fluid combined cycle heat pump device mainly composed of compressor, expander, second compressor, throttle valve, third compressor, heat supply, second heat supply, evaporator, regenerator and second Composed of three heaters;
  • the compressor has a circulating working medium channel connected to the heater and then divided into two paths-the first path is connected to the heat regenerator through the expander, and the second path is connected to the second compressor through the second heat supply
  • the second compressor also has a circulating working fluid channel through the third heat supply device and the regenerator.
  • the regenerator has a condensate pipe connected to the evaporator through a throttle valve.
  • the evaporator also has a circulating working fluid.
  • the passage communicates with the heat regenerator through the third compressor, and the regenerator also has a circulating working medium passage that communicates with the compressor; the heat supply, the second heat supply and the third heat supply also have respectively a heated medium passage and an external
  • the evaporator also has a low-temperature heat medium channel to communicate with the outside, and the expander is connected to the compressor and transmits power to form a single working fluid combined cycle heat pump device.
  • Single working fluid combined cycle heat pump device mainly composed of compressor, expander, second compressor, throttle valve, third compressor, heat supply, second heat supply, evaporator, regenerator, jet Composed of a tube and a second regenerator;
  • the compressor has a circulating working medium channel connected to the heat supply and is divided into two paths-the first path is connected to the expander, and the second path is connected to the second heat supply unit and the second compressor Connected, the second compressor and the circulating working medium channel are 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 and the second regenerator After the evaporator, it communicates with the expander through the middle intake port.
  • the second path is led out from the end of the regenerator and communicates with the evaporator through the throttle valve.
  • the evaporator also has a circulating working medium channel that communicates with the regenerator through the third compressor.
  • the expander also has a circulating working medium channel connected to the heat regenerator, and the regenerator also has a circulating working medium channel connected with the compressor; the heat supply and the second heat supply also have respectively heated medium channels connected to the outside, and evaporate
  • the device also has a low-temperature heat medium channel that communicates with the outside, and the expander is connected to the compressor and transmits power to form a single working substance combined cycle heat pump device.
  • Single working fluid combined cycle heat pump device mainly composed of compressor, expander, second compressor, throttle valve, third compressor, heat supply, second heat supply, evaporator, regenerator and regenerator Composed of the heat exchanger;
  • the compressor has a circulating working medium channel connected to the heater and then divided into two paths-the first way is connected to the expander, the expander and the circulating working medium channel are connected to the expander and the expander through the reheater
  • the second compressor also has a circulating working fluid channel that communicates with the regenerator through the reheater and then heats up.
  • the condensate pipeline is connected to the evaporator through a throttle valve, and the evaporator has a circulating working medium channel that communicates with the regenerator through a third compressor, and the regenerator has a circulating working medium channel that communicates with the compressor;
  • the heat exchanger and the second heat supplier also have a medium to be heated channel communicating with the outside, and the evaporator also has a low-temperature heat medium channel communicating with the outside.
  • the expander is connected to the compressor and transmits power to form a single working medium combined cycle heat pump device.
  • Single working fluid combined cycle heat pump device mainly composed of compressor, expander, second compressor, throttle valve, third compressor, heat supply, second heat supply, evaporator, regenerator and high temperature Composed of a regenerator;
  • the compressor has a circulating working medium channel that is connected to the high-temperature regenerator through the heat supply and is divided into two paths-the first path is connected to the regenerator through the expander, and the second path is through the second heat supply unit
  • the second compressor is connected to the second compressor, and the second compressor has a circulating working medium channel that communicates with the regenerator.
  • the evaporator After the regenerator has a condensate pipeline connected to the evaporator through a throttle valve, the evaporator also has a circulating working medium channel through
  • the third compressor is connected to the heat regenerator, and the regenerator has a circulating working medium channel that communicates with the compressor through the high-temperature regenerator; the heat supply and the second heat supply also have channels for the heated medium to communicate with the outside, respectively, to evaporate
  • the device also has a low-temperature heat medium channel that communicates with the outside, and the expander is connected to the compressor and transmits power to form a single working substance combined cycle heat pump device.
  • Single working fluid combined cycle heat pump device mainly composed of compressor, expander, second compressor, throttle valve, third compressor, heat supply, second heat supply, evaporator, regenerator, second It is composed of three heat supplies and high-temperature regenerators; the compressor has a circulating working medium channel that is connected to the high-temperature regenerator through the heat supply and is divided into two paths-the first path is connected to the regenerator through the expander, and the second path The second compressor is connected to the second compressor through the second heat supply, and the second compressor has a circulating working medium channel through the third heat supply and the heat regenerator. After that, the regenerator has a condensate pipeline that passes through the throttle valve and evaporates.
  • the evaporator has a circulating working medium channel that communicates with the regenerator through the third compressor, and the regenerator has a circulating working medium channel that communicates with the compressor through the high-temperature regenerator; the heat supply device and the second heat supply device
  • the heating medium and the third heat supply device are respectively connected to the outside with the heated medium channel, and the evaporator also has the low-temperature heat medium channel to communicate with the outside, and the expander is connected to the compressor and transmits power to form a single working medium combined cycle heat pump device.
  • Single working fluid combined cycle heat pump device mainly composed of compressor, expander, second compressor, throttle valve, third compressor, heat supply, second heat supply, evaporator, regenerator, jet
  • the compressor is composed of a tube, a second regenerator and a high-temperature regenerator; the compressor has a circulating working medium channel that is connected to the high-temperature regenerator through the heat supply and is divided into two paths—the first path is connected to the expander, and the second path is connected to the expander.
  • the second heater is connected with the second compressor, and the second compressor also has a circulating working medium channel through the second regenerator and after it is connected to the regenerator, it is divided into two paths-the first path from the middle or the end of the regenerator After being drawn out and passing through the nozzle and the second regenerator, it is connected to the expander through the intermediate inlet port.
  • the second path is led out from the end of the regenerator and connected to the evaporator through the throttle valve.
  • the evaporator has a circulating working fluid channel.
  • the third compressor communicates with the regenerator, the expander 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 through the high-temperature regenerator; the heat supply and the second
  • the heat supply device also has a medium channel to be heated to communicate with the outside, and the evaporator also has a low-temperature heat medium channel to communicate with the outside.
  • the expander is connected to the compressor and transmits power to form a single-working-substance combined cycle heat pump device.
  • the single working fluid combined cycle heat pump device is mainly composed of compressor, expander, second compressor, throttle valve, third compressor, heat supply, second heat supply, evaporator, regenerator, and regenerator. It is composed of a heat exchanger and a high-temperature regenerator; the compressor has a circulating working medium channel through the heat supply and the high-temperature regenerator, and then divided into two paths-the first way is connected to the expander, the expander and the circulating working medium channel pass through The reheater communicates with the expander and the expander also has a circulating working medium passage that communicates with the regenerator. The second path communicates with the second compressor through the second heat supply device. The second compressor also has a circulating working medium passage through the regenerator.
  • the regenerator After the regenerator is connected to the regenerator, the regenerator has a condensate pipeline connected to the evaporator through a throttle valve, and the evaporator also has a circulating working medium channel that communicates with the regenerator through the third compressor, and the regenerator has The circulating working medium channel is connected with the compressor through the high-temperature regenerator; the heat supply and the second heat supply also have the heated medium channel to communicate with the outside respectively, the evaporator also has the low-temperature heat medium channel to communicate with the outside, and the expander is connected with the compression
  • the machine and transmission power form a single working substance combined cycle heat pump device.
  • the single-working-substance combined-cycle heat pump device is one of the single-working-substance combined-cycle heat pump devices described in items 1-8, adding a new compressor and a new heat supply, and the compressor has a cycle
  • the communication between the working medium channel and the heater is adjusted so that the compressor has a circulating working medium channel that communicates with the newly added compressor through the newly added heater, and the newly added compressor has a circulating working medium channel that communicates with the heater, and the additional heat is supplied
  • the device also has a heated medium channel that communicates with the outside to form a single working substance combined cycle heat pump device.
  • the single-working-substance combined-cycle heat pump device is one of the single-working-substance combined-cycle heat pump devices described in items 1-8, adding a new heater and a new expander, and the compressor has a cycle
  • the communication between the working fluid channel and the heat supply is adjusted so that the compressor has a circulating working fluid channel that is connected to the newly added expander through the newly added heat supply device, and the newly added expander has a circulating working fluid channel that communicates with the heat supply, and the new expander is added
  • Single working fluid combined cycle heat pump device mainly composed of compressor, expander, second compressor, throttle valve, third compressor, heat supply, second heat supply, evaporator and regenerator ;
  • the compressor has a first circulating working medium channel that communicates with the second heat supplier, the second heat supplier also has a circulating working medium channel that communicates with the regenerator through an expander, and the compressor also has a second circulating working medium channel that is supplied
  • the heat exchanger is connected to the second compressor, and the second compressor also has a circulating working medium channel connected to the regenerator.
  • the regenerator has a condensate pipe connected to the evaporator through a throttle valve
  • the evaporator also has a circulating working medium.
  • the passage communicates with the heat regenerator through the third compressor, and the regenerator also has a circulating working medium passage that communicates with the compressor; the heat supplier and the second heat supplier also have a heated medium passage that communicates with the outside, and the evaporator has The low-temperature heat medium channel is connected to the outside, and the expander is connected to the compressor and transmits power to form a single working fluid combined cycle heat pump device.
  • Single working fluid combined cycle heat pump device mainly composed of compressor, expander, second compressor, throttle valve, third compressor, heat supply, second heat supply, evaporator and regenerator ;
  • the compressor has a first circulating working medium channel that communicates with the second compressor through the heat supply, and the second compressor also has a circulating working medium channel that communicates with the regenerator, and then the regenerator has a condensate pipeline through a throttle valve
  • the compressor also has a second circulating working medium channel that communicates with the second heat supplier
  • the second heat supplier also has a circulating working medium channel connected to the heat regenerator through the expander
  • the evaporator also has a circulating working medium.
  • the passage communicates with the heat regenerator through the third compressor, and the regenerator also has a circulating working medium passage that communicates with the compressor; the heat supplier and the second heat supplier also have a heated medium passage that communicates with the outside, and the evaporator has The low-temperature heat medium channel is connected to the outside, and the expander is connected to the compressor and transmits power to form a single working fluid combined cycle heat pump device.
  • Single working fluid combined cycle heat pump device mainly composed of compressor, expander, second compressor, throttle valve, third compressor, heat supply, second heat supply, evaporator, regenerator and new Composed of the booster compressor;
  • the compressor has a circulating working medium channel that communicates with the second compressor through the heat supplier, and the second compressor also has a circulating working medium channel that communicates with the regenerator, and then the regenerator has a condensate pipeline through
  • the throttle valve is connected to the evaporator, and the evaporator has a circulating working medium channel that communicates with the regenerator through the third compressor.
  • the regenerator and the circulating working medium channel are respectively connected to the compressor and the new compressor, and the new compressor is added.
  • the machine also has a circulating working medium channel that communicates with the second heat supplier, and the second heat supplier also has a circulating working medium channel that communicates with the heat regenerator through the expander; the heat supplier and the second heat supplier also have respectively heated media
  • the channel is connected to the outside, and the evaporator also has a low-temperature heat medium channel to communicate with the outside.
  • the expander is connected to a newly added compressor and transmits power to form a single working substance combined cycle heat pump device.
  • the single-working-substance combined-cycle heat pump device is a single-working-substance combined-cycle heat pump device described in items 11-13, adding a new heat supply, and the second compressor has a circulating working medium channel
  • the connection with the regenerator is adjusted so that the second compressor 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 a single working medium combined cycle heat pump Device.
  • the single working substance combined cycle heat pump device is a single working substance combined cycle heat pump device described in items 11-13, adding a nozzle and a second regenerator, and the second compressor has a cycle
  • the communication between the working medium channel and the regenerator is adjusted so that the second compressor has a circulating working medium channel that communicates with the regenerator through the second regenerator, and the regenerator is additionally provided with a circulating working medium channel that passes through the nozzle and the second regenerator.
  • the middle intake port is connected with the expander to form a single working fluid combined cycle heat pump device.
  • the single working fluid combined cycle heat pump device is a single working fluid combined cycle heat pump device described in items 11-13, adding a reheater, and connecting the second compressor with a circulating working fluid channel and a return
  • the communication of the heat exchanger is adjusted so that the circulating working medium passage of the second compressor communicates with the heat regenerator through the reheater, and the circulating working medium passage of the second heat supply device is connected to the heat regenerator through the expander and adjusted to the second heat supplier
  • a circulating working medium channel is connected with the expander, the expander and the circulating working medium channel are connected with the expander through the reheater, and the expander and the circulating working medium channel are connected with the regenerator to form a single working medium combined cycle heat pump device.
  • the single-working-substance combined-cycle heat pump device is any one of the single-working-substance combined-cycle heat pump devices described in items 1-4, canceling the heated medium channel connecting the second heater with the outside, and returning
  • the heat exchanger has a circulating working medium connected with the compressor and adjusted so that the regenerator has a circulating working medium connected with the compressor via the second heat supply device to form a single working medium combined cycle heat pump device.
  • the single-working-substance combined-cycle heat pump device is one of the single-working-substance combined-cycle heat pump devices described in items 5-8, canceling the heated medium channel connecting the second heater with the outside, and returning
  • the heat exchanger has a circulating working medium through the high-temperature regenerator to communicate with the compressor, and is adjusted to a regenerator with a circulating working medium that communicates with the compressor through the second heat supplier and the high-temperature regenerator to form a single working medium combined cycle heat pump device.
  • the single working substance combined cycle heat pump device is any one of the single working substance combined cycle heat pump devices described in items 1-18, in which the throttle valve is eliminated, the turbine is added, and the regenerator has a condensate pipeline
  • the throttle valve is connected to the evaporator and adjusted so that the regenerator has a condensate pipeline connected to the evaporator via a turbine, and the turbine is connected to the compressor and transmits power to form a single working fluid combined cycle heat pump device.
  • the single working substance combined cycle heat pump device is any one of the single working substance combined cycle heat pump devices described in items 1-18, which cancels the evaporator and the throttle valve, and cancels the low temperature heat between the evaporator and the outside.
  • the medium channel connects the evaporator with the circulating working medium channel through the third compressor to the regenerator and adjusts it to the external steam channel through the third compressor to communicate with the regenerator, and the condensate pipeline of the regenerator is throttled
  • the valve and the evaporator are connected and adjusted so that the regenerator has a condensate pipeline to communicate with the outside, forming a single working fluid combined cycle heat pump device.
  • the single working substance combined cycle heat pump device is any one of the single working substance combined cycle heat pump devices described in items 1-18, the throttle valve and the third compressor are eliminated, and the regenerator has condensate.
  • the pipeline is connected to the evaporator through the throttle valve and adjusted to be connected to the heat regenerator with the condensate pipeline connected to the evaporator through the new nozzle pipe, and the evaporator has a circulating working medium channel through the third compressor to communicate with the heat regenerator.
  • the evaporator has a circulating working medium channel that communicates with the regenerator through the newly added dual-energy compressor to form a single working medium combined cycle heat pump device.
  • Figure 1/18 is the first principle thermal system diagram of the single working fluid combined cycle heat pump device provided by the present invention.
  • Figure 2/18 is the second principle thermal system diagram of the single working fluid combined cycle heat pump device provided by the present invention.
  • Figure 3/18 is the third principle thermal system diagram of the single working fluid combined cycle heat pump device provided by the present invention.
  • Figure 4/18 is the fourth principle thermal system diagram of the single working fluid combined cycle heat pump device provided by the present invention.
  • Figure 5/18 is the fifth principle thermal system diagram of the single working fluid combined cycle heat pump device provided by the present invention.
  • Figure 6/18 is the sixth principle thermal system diagram of the single working fluid combined cycle heat pump device provided by the present invention.
  • Fig. 7/18 is the seventh principle thermal system diagram of the single working fluid combined cycle heat pump device provided by the present invention.
  • Figure 8/18 is a schematic diagram of the eighth principle thermal system of the single working fluid combined cycle heat pump device provided by the present invention.
  • Fig. 9/18 is a diagram of the ninth principle thermal system of the single working fluid combined cycle heat pump device provided by the present invention.
  • Figure 10/18 is the tenth principle thermal system diagram of the single working fluid combined cycle heat pump device provided by the present invention.
  • Figure 11/18 is the eleventh principle thermal system diagram of the single working fluid combined cycle heat pump device provided by the present invention.
  • Figure 12/18 is the twelfth principle thermal system diagram of the single working fluid combined cycle heat pump device provided by the present invention.
  • Figure 13/18 is the 13th principle thermal system diagram of the single working fluid combined cycle heat pump device provided by the present invention.
  • Figure 14/18 is the 14th principle thermal system diagram of the single working fluid combined cycle heat pump device provided by the present invention.
  • Figure 15/18 is the 15th principle thermal system diagram of the single working fluid combined cycle heat pump device provided by the present invention.
  • Figure 16/18 is a diagram of the sixteenth principle thermal system of the single working fluid combined cycle heat pump device provided by the present invention.
  • Figure 17/18 is the 17th principle thermal system diagram of the single working fluid combined cycle heat pump device provided by the present invention.
  • Figure 18/18 is a diagram of the eighteenth principle thermal system of the single working fluid combined cycle heat pump device provided by the present invention.
  • the circulating working fluid channel is connected to the heat supply 6 and then divided into two paths-the first path is connected to the heat regenerator 9 through the expander 2 and the second path is connected to the second compressor 3 through the second heat supply 7;
  • the second compressor 3 also has a circulating working medium channel connected to the heat regenerator 9.
  • the evaporator 8 After the regenerator 9 has a condensate pipe connected to the evaporator 8 through the throttle valve 4, the evaporator 8 also has a circulating working medium channel through the first
  • the three compressors 5 are connected to the regenerator 9, and the regenerator 9 also has a circulating working medium channel that communicates with the compressor 1.
  • the heat supply 6 and the second heat supply 7 also have a medium to be heated channel that communicates with the outside, and evaporates.
  • the device 8 also has a low-temperature heat medium channel to communicate with the outside, and the expander 2 is connected to the compressor 1 and transmits power.
  • the circulating working fluid discharged by the expander 2 and the third compressor 5 enters the regenerator 9 to absorb heat and increase the temperature, and then enters the compressor 1 to increase the pressure; the circulating working fluid discharged from the compressor 1 flows through the heating supply
  • the heat is released by the heat exchanger 6 and then divided into two paths-the first path flows through the expander 2 to reduce pressure and then enters the regenerator 9, and the second path flows through the second heater 7 and releases heat, and flows through the second Compressor 3 boosts pressure, heats up, flows through the regenerator 9 to release heat and condenses, flows through the throttle valve 4 to throttle and reduce pressure, and enters the evaporator 8; the circulating working fluid entering the evaporator 8 absorbs heat and vaporizes, and flows through the third compression
  • the machine 5 is boosted and heated, and then enters the regenerator 9; the heated medium obtains the high temperature heat load through the heat supply 6 and the second heat supply 7, and the low temperature heat medium provides low temperature heat load through the evaporator 8.
  • the circulating working fluid discharged by the expander 2 and the third compressor 5 enters the regenerator 9 to absorb heat and increase the temperature, and then enters the compressor 1 to increase the pressure; the circulating working fluid discharged from the compressor 1 flows through the heating supply
  • the heat is released by the heat exchanger 6 and then divided into two paths-the first path flows through the expander 2 to reduce pressure and then enters the regenerator 9, and the second path flows through the second heater 7 and releases heat, and flows through the second Compressor 3 increases in pressure, heats up, flows through the regenerator 9 to release heat and condenses, flows through the turbine 10 to reduce pressure and enters the evaporator 8; the circulating working fluid entering the evaporator 8 absorbs heat and vaporizes, and flows through the third compressor 5
  • the pressure is increased and the temperature is increased, and then it enters the regenerator 9; the heated medium obtains the high temperature heat load through the heat supply 6 and the second heat supply 7, and the low temperature heat medium provides low temperature heat load through the evaporator 8, external, expander
  • Compressor 1 has a circulating working medium channel connected with the heat supply 6 and then divided into two paths-the first path is connected to the heat regenerator 9 through the expander 2 and the second path is connected to the second heat supply 7 through the second heat supply
  • the second compressor 3 is connected, and the second compressor 3 also has a circulating working medium channel through the third heat supply 11 and the regenerator 9 after which the regenerator 9 has a condensate pipeline through the throttle valve 4 and the evaporator 8
  • the evaporator 8 also has a circulating working medium channel that communicates with the heat regenerator 9 through the third compressor 5, and the regenerator 9 also has a circulating working medium channel that communicates with the compressor 1; the heat supply device 6, the second heat supply device 7 and the third heat supply 11 respectively have a medium to be heated channel to communicate with the outside, the evaporator 8 also has a
  • the circulating working fluid discharged by the expander 2 and the third compressor 5 enters the regenerator 9 to absorb heat and increase the temperature, and then enters the compressor 1 to increase the pressure; the circulating working fluid discharged from the compressor 1 flows through the heating supply
  • the heat is released by the heat exchanger 6 and then divided into two paths-the first path flows through the expander 2 to reduce pressure and then enters the regenerator 9, and the second path flows through the second heater 7 and releases heat, and flows through the second Compressor 3 boosts pressure and heats up, flows through the third heat supply 11 and regenerator 9 to gradually release heat and condense, flows through the throttle valve 4 to throttle and depressurize, and enters the evaporator 8; the circulating working fluid entering the evaporator 8 absorbs The heat vaporizes, flows through the third compressor 5 to increase the pressure, and then enters the regenerator 9; the heated medium obtains the high temperature heat load through the heat supply 6, the second heat supply 7 and the third heat supply 11, and the low temperature heat The medium provides low-temperature
  • the compressor 1 has a circulating working medium channel connected to the heat supply 6 and then divided into two paths-the first path is connected to the expander 2, and the second path is connected to the second compressor through the second heat supply 7
  • the second compressor 3 is connected to the second compressor 3 and the circulating working medium channel is connected to the regenerator 9 through the second regenerator 13 and then divided into two paths-the first path is led out from the middle or the end of the regenerator 9 and sprayed
  • the pipe 12 and the second regenerator 13 are then connected to the expander 2 through the intermediate inlet port.
  • the second path is led out from the end of the regenerator 9 and communicated with the evaporator 8 through the throttle valve 4, and the evaporator 8 has a circulation
  • the working medium passage is connected to the regenerator 9 via the third compressor 5, the expander 2 also has a circulating working medium passage that communicates with the regenerator 9, and the regenerator 9 also has a circulating working medium passage that communicates with the compressor 1;
  • the evaporator 6 and the second heater 7 also have a medium to be heated channel to communicate with the outside, the evaporator 8 also has a low-temperature heating medium channel to communicate with the outside, and the expander 2 is connected to the compressor 1 and transmits power.
  • the circulating working fluid discharged by the expander 2 and the third compressor 5 enters the regenerator 9 to absorb heat and increase the temperature, and then enters the compressor 1 to increase the pressure; the circulating working fluid discharged from the compressor 1 flows through the heating supply
  • the heat is released by the heat exchanger 6 and then divided into two paths-the first path flows through the expander 2 to reduce pressure and then enters the regenerator 9, and the second path flows through the second heater 7 and releases heat, and flows through the second Compressor 3 increases in pressure and heats up, flows through the second regenerator 13 and releases heat, then enters the regenerator 9 to release heat and is partially or completely condensed, and then divided into two paths-the first path flows through the nozzle 12 to depressurize Increase the speed, flow through the second regenerator 13 to absorb heat, enter the expander 2 through the intermediate inlet port to reduce pressure, and then enter the regenerator 9, the second condensate or the condensate after continuing to release heat is passed through the section Flow valve 4 enters the evaporator 8 after
  • Compressor 1 has a circulating working medium channel connected to the heater 6 and then divided into two paths-the first way is connected to the expander 2, and the expander 2 also has a circulating working medium channel connected to the expander 2 through the reheater 14 There is a circulating working medium channel connected with the expander 2 to the heat regenerator 9, the second path is connected to the second compressor 3 through the second heat supplier 7, and the second compressor 3 also has a circulating working medium channel through the reheater.
  • the heat regenerator 9 After 14 is connected to the heat regenerator 9, the heat regenerator 9 has a condensate pipe connected to the evaporator 8 through the throttle valve 4, and the evaporator 8 also has a circulating working fluid channel that communicates with the regenerator 9 through the third compressor 5 ,
  • the regenerator 9 also has a circulating working medium channel connected to the compressor 1; the heat supply 6 and the second heat supply 7 also have a heated medium channel connected to the outside, respectively, and the evaporator 8 also has a low temperature heat medium channel connected to the outside Connected, the expander 2 is connected to the compressor 1 and transmits power.
  • the circulating working fluid discharged by the expander 2 and the third compressor 5 enters the regenerator 9 to absorb heat and increase the temperature, and then enters the compressor 1 to increase the pressure; the circulating working fluid discharged from the compressor 1 flows through the heating supply
  • the device 6 releases heat, and then it is divided into two paths-the first path enters the expander 2 to reduce pressure to a certain level, then flows through the reheater 14 to absorb heat, enters the expander 2 to continue to reduce pressure and perform work, and then enters the regenerator 9.
  • the second path flows through the second heater 7 and releases heat, flows through the second compressor 3 to increase the pressure, flows through the reheater 14 and the regenerator 9 and gradually releases heat and condenses, and flows through the throttle valve 4 Throttle and depressurize, and then enter the evaporator 8; the circulating working fluid entering the evaporator 8 absorbs heat and vaporizes, flows through the third compressor 5 to increase the pressure, and then enters the regenerator 9; the heated medium passes through the heat supply 6 and The second heat supplier 7 obtains the high temperature heat load, the low temperature heat medium provides the low temperature heat load through the evaporator 8.
  • the outside and the expander 2 together provide power to the compressor 1, the second compressor 3 and the third compressor 5 to form a single unit Working fluid combined cycle heat pump device.
  • Compressor 1 has a circulating working medium channel through the heat supply 6 and the high-temperature regenerator 15 and then is divided into two paths-the first path is connected through the expander 2 and the regenerator 9, the second path is connected through the second supply
  • the heat exchanger 7 is in communication with the second compressor 3, and the second compressor 3 has a circulating working medium channel that communicates with the regenerator 9.
  • the evaporator 8 After the regenerator 9 has a condensate pipeline that communicates with the evaporator 8 through the throttle valve 4,
  • the evaporator 8 also has a circulating working medium passage that communicates with the regenerator 9 through the third compressor 5, and the regenerator 9 also has a circulating working medium passage that communicates with the compressor 1 through the high-temperature regenerator 15; the heat supply 6 and the second
  • the two heaters 7 also have a medium to be heated 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 is connected to the compressor 1 and transmits power.
  • the circulating working fluid discharged by the expander 2 and the third compressor 5 enters the regenerator 9 to absorb heat and heat up, flows through the high-temperature regenerator 15 and absorbs heat, and then enters the compressor 1 to increase the pressure and increase the temperature;
  • the circulating working fluid discharged by the engine 1 flows through the heat supply 6 and the high-temperature regenerator 15 to gradually release heat, and then is divided into two paths-the first path flows through the expander 2 to reduce pressure and then enters the regenerator 9, the second The path flows through the second heat supply 7 and releases heat, flows through the second compressor 3 to increase the pressure, flows through the regenerator 9 to release heat and condenses, and flows through the throttle valve 4 to throttle and reduce pressure and enter the evaporator 8;
  • the circulating working fluid entering the evaporator 8 absorbs heat and vaporizes, flows through the third compressor 5 to increase the pressure, and then enters the regenerator 9; the heated medium obtains the high temperature heat load through the heat supply 6 and the second heat supply 7.
  • the circulating working fluid discharged from the expander 2 and the third compressor 5 enters the regenerator 9 to absorb heat and increase the temperature, and then enters the compressor 1 to increase the pressure; the circulating working fluid discharged from the compressor 1 flows through the newly added Heater B also releases heat, flows through the newly added compressor A to increase the pressure, then flows through the heater 6 and releases heat, and then divides into two paths-the first path flows through the expander 2 to perform work and then enters the return circuit.
  • Heater 9 the second path flows through the second heater 7 and releases heat, flows through the second compressor 3 to increase the pressure, flows through the regenerator 9 to release heat and condense, and flows through the throttle valve 4 to throttle and reduce pressure Then enter the evaporator 8; the circulating working fluid entering the evaporator 8 absorbs heat and vaporizes, flows through the third compressor 5 to increase the pressure, and then enters the regenerator 9; the heated medium passes through the heat supply device 6, the second heat supply device 7 and the newly-added heater B obtain high-temperature heat load, the low-temperature heat medium provides low-temperature heat load through the evaporator 8, and the external and expander 2 jointly supply the compressor 1, the second compressor 3, the third compressor 5 and the new Compressor A provides power to form a single working substance combined cycle heat pump device.
  • the circulating working fluid discharged from the expander 2 and the third compressor 5 enters the regenerator 9 to absorb heat and increase the temperature, and then enters the compressor 1 to increase the pressure; the circulating working fluid discharged from the compressor 1 flows through the newly added Heater B also releases heat, flows through the newly added expander C to reduce pressure, then flows through the heat supply 6 and releases heat, and then divides into two paths-the first path flows through the expander 2 and then enters after the pressure is reduced.
  • Regenerator 9 the second path flows through the second heat supply device 7 and releases heat, flows through the second compressor 3 to increase the pressure, and flows through the regenerator 9 to release heat and condense, and flows through the throttle valve 4 to throttle down After pressure, it enters the evaporator 8; the circulating working fluid that enters the evaporator 8 absorbs heat and vaporizes, flows through the third compressor 5 to increase the pressure, and then enters the regenerator 9; the heated medium passes through the heat supply device 6, the second heat supply
  • the high temperature heat load is obtained by the heater 7 and the newly added heat supply B.
  • the low temperature heat medium provides the low temperature heat load through the evaporator 8.
  • the outside, the expander 2 and the newly added expander C jointly provide the compressor 1, the second compressor 3 and the second compressor 3
  • the three compressors 5 provide power to form a single working substance combined cycle heat pump device.
  • the circulating working fluid discharged by the expander 2 and the third compressor 5 enters the regenerator 9 to absorb heat and heat up, flows through the high-temperature regenerator 15 and absorbs heat, and then enters the compressor 1 to increase the pressure and increase the temperature;
  • the circulating working fluid discharged from the unit 1 flows through the newly added heat supply B and releases heat, flows through the newly added compressor A to increase the pressure and heats up, flows through the heat supply 6 and the high temperature regenerator 15 to gradually release heat, and then divides into two paths ——The first path flows through the expander 2 to reduce pressure and then enters the regenerator 9, the second path flows through the second heat supply device 7 and releases heat, flows through the second compressor 3 to increase the pressure and increase the pressure, and flows through the back Heater 9 releases heat and condenses and flows through throttle valve 4 and enters evaporator 8 after throttling and pressure reduction; the circulating working fluid entering evaporator 8 absorbs heat and vaporizes, and flows through third compressor 5 to increase pressure and increase temperature, and then
  • There is a first circulating working medium channel connected with the second heat supply device 7 the second heat supply device 7 also has a circulating working medium channel connected to the regenerator 9 via the expander 2, and the compressor 1 has a second circulating working medium.
  • the passage communicates with the second compressor 3 through the heat supply 6.
  • the second compressor 3 also has a circulating working medium passage and communicates with the regenerator 9.
  • the evaporator 8 After the regenerator 9 has a condensate pipeline through the throttle valve 4 and the evaporator 8 is connected, the evaporator 8 has a circulating working medium channel that communicates with the regenerator 9 through the third compressor 5, and the regenerator 9 also has a circulating working medium channel that communicates with the compressor 1; the heat supply 6 and the second heat supply
  • the evaporator 7 also has a medium to be heated channel to communicate with the outside
  • the evaporator 8 also has a low-temperature heating medium channel to communicate with the outside
  • the expander 2 is connected to the compressor 1 and transmits power.
  • the circulating working fluid discharged from the expander 2 and the third compressor 5 enters the regenerator 9 to absorb heat and rises, and enters the compressor 1 to increase the pressure and rise to a certain extent, and then divides into two paths-the first path flows through The second heater 7 releases heat, flows through the expander 2 to reduce pressure and enters the regenerator 9.
  • the second path continues to increase pressure and rises, flows through the heater 6 to release heat, and flows through the second compressor 3 liters
  • the pressure rises flows through the regenerator 9 to release heat and condenses, flows through the throttle valve 4 to throttle and depressurize, and enters the evaporator 8; the circulating working fluid entering the evaporator 8 absorbs heat and vaporizes, and flows through the third compressor 5 to boost the pressure
  • the external and expander 2 jointly provide the compressor 1.
  • the second compressor 3 and the third compressor 5 provide power to form a single working fluid combined cycle heat pump device.
  • the compressor 1 also has a second circulating working medium passage that communicates with the second heat supplier 7, and the second heat supplier 7 also has a circulating working medium passage through the expander 2 and the regenerator 9 is connected, the evaporator 8 has a circulating working medium channel that communicates with the heat regenerator 9 through the third compressor 5, and the regenerator 9 has a circulating working medium channel that communicates with the compressor 1; the heat supply 6 and the second heat supply
  • the evaporator 7 also has a medium to be heated channel to communicate with the outside, the evaporator 8 also has a low-temperature heating medium channel to communicate with the outside, and the expander 2 is connected to the compressor 1 and transmits power.
  • the circulating working fluid discharged from the expander 2 and the third compressor 5 enters the regenerator 9 to absorb heat and rises, and enters the compressor 1 to increase the pressure and rise to a certain extent, and then divides into two paths-the first path flows through Heater 6 dissipates heat, flows through the second compressor 3 to increase the pressure, flows through the regenerator 9 to release heat and condenses, flows through the throttle valve 4 to throttle and reduce pressure, and enters the evaporator 8, the second path continues to boost pressure Heat up, flow through the second heat supply device 7 to release heat, flow through the expander 2 to reduce pressure and enter the regenerator 9; the circulating working fluid entering the evaporator 8 absorbs heat and vaporizes, and flows through the third compressor 5 to boost the pressure The temperature rises, and then enters the regenerator 9; the heated medium obtains high temperature heat load through the heat supply 6 and the second heat supply 7, and the low temperature heat medium provides low temperature heat load through the evaporator 8.
  • the external and expander 2 jointly provide the
  • Compressor 1 has a circulating working medium channel that communicates with the second compressor 3 through a heat supplier 6, and the second compressor 3 also has a circulating working medium channel that communicates with the regenerator 9, after which there is condensate in the regenerator 9
  • the pipeline communicates with the evaporator 8 through the throttle valve 4, the evaporator 8 also has a circulating working medium channel that communicates with the regenerator 9 through the third compressor 5, and the regenerator 9 also has a circulating working medium channel respectively connected to the compressor 1 It is connected to the newly added compressor A, and the newly added compressor A has a circulating working medium channel which is connected to the second heat supply device 7, and the second heat supply device 7 also has a circulating working medium channel which is connected to the heat regenerator 9 through the expander 2
  • the heat supply 6 and the second heat supply 7 also respectively have a medium to be heated channel
  • the circulating working fluid discharged from the expander 2 and the third compressor 5 enters the regenerator 9 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 7, and it flows through the expander 2 to reduce the pressure and enters the regenerator 9.
  • the second path flows through the compressor 1 to increase the pressure and raises the pressure, flows through the heat supply device 6 to release heat, and flows through the first
  • the second compressor 3 boosts pressure, heats up, flows through the regenerator 9 to release heat and condenses, flows through the throttle valve 4 to throttle and depressurize, and enters the evaporator 8; the circulating working fluid entering the evaporator 8 absorbs heat and vaporizes, and flows through the third Compressor 5 is boosted and heated, and then enters regenerator 9; the heated medium obtains high temperature heat load through heat supply 6 and second heat supply 7, and low temperature heat medium provides low temperature heat load through evaporator 8, external and expander 2 together to provide power to the compressor 1, the second compressor 3, the third compressor 5 and the newly added compressor A to form a single working fluid combined cycle heat pump device.
  • the medium to be heated through which the second heater 7 communicates with the outside is eliminated, and the regenerator 9 is adjusted to communicate with the compressor 1 with a circulating working fluid.
  • the heat exchanger 9 has a circulating working fluid that communicates with the compressor 1 through the second heat supply 7; the circulating working fluid discharged from the regenerator 9 flows through the second heat supply 7 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 in the external vapor state flows through the third compressor 5 after being boosted and heated, and then enters the regenerator 9, the circulating working fluid discharged from the expander 2 enters the regenerator 9, and the two-way circulating working fluid is absorbed After the heat is warmed up, it enters the compressor 1 to increase the pressure; the circulating working fluid discharged from the compressor 1 flows through the heat supply 6 and releases heat, and then is divided into two paths-the first path flows through the expander 2 and then enters the return circuit after the pressure is reduced.
  • Heater 9 the second path flows through the second heater 7 to dissipate heat, flows through the second compressor 3 to increase the pressure, and flows through the regenerator 9 to dissipate heat and condense before being discharged to the outside; the heated medium passes through the heater 6 Get the high temperature heat load with the second heater 7, the external steam provides low temperature heat load through the in and out process, and the outside and the expander 2 together provide power to the compressor 1, the second compressor 3 and the third compressor 5, forming a simplex Mass combined cycle heat pump device.
  • the circulating working fluid discharged from expander 2 and the newly added dual-energy compressor E enters the regenerator 9 to absorb heat and increase the temperature, and then enters the compressor 1 to increase the pressure; the circulating working fluid discharged from the compressor 1 flows through The heater 6 releases heat, and then it is divided into two paths—the first path flows through the expander 2 to reduce pressure and then enters the regenerator 9, and the second path flows through the second heater 7 to release heat and flow through
  • the second compressor 3 boosts pressure and raises temperature, flows through the regenerator 9 to release heat and condenses, flows through the newly added nozzle D to decrease the pressure and speed and enters the evaporator 8; the circulating working fluid entering the evaporator 8 absorbs heat and vaporizes, and flows through
  • the newly added dual-energy compressor E increases the pressure and decreases the speed, and then enters the regenerator 9; the heated medium obtains high temperature heat load through the heat supply 6 and the second heat supply 7, and the low temperature heat medium provides low temperature through the evaporator 8.
  • a single working fluid is conducive to production and storage; 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.

Landscapes

  • 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 dispositif de pompe à chaleur à cycle combiné à fluide de travail unique, se rapportant au domaine technique de la réfrigération et des pompes à chaleur. Un compresseur (1) est pourvu d'un canal de fluide de travail en circulation destiné à être en communication avec un dispositif de chauffage (6) puis deux trajets sont formés - un premier trajet est en communication avec un régénérateur de chaleur (9) au moyen d'un détendeur (2) et un second trajet est en communication avec un deuxième compresseur (3) au moyen d'un second dispositif de chauffage (7) ; le deuxième compresseur (3) est en outre pourvu d'un canal de fluide de travail en circulation destiné à être en communication avec le régénérateur de chaleur (9), puis le régénérateur de chaleur (9) est en outre pourvu d'une conduite de condensat destinée à être en communication avec un évaporateur (8) au moyen d'un robinet d'étranglement (4) ; l'évaporateur (8) est en outre pourvu d'un canal de fluide de travail en circulation destiné à être en communication avec le régénérateur de chaleur (9) au moyen d'un troisième compresseur (5) ; le régénérateur de chaleur (9) est en outre pourvu d'un canal de fluide de travail en circulation destiné à être en communication avec le compresseur (1) ; le dispositif de chauffage (6) et le second dispositif de chauffage (7) sont pourvus séparément d'un canal de fluide chauffé destiné à être en communication avec l'extérieur ; l'évaporateur (8) est en outre pourvu d'un canal de fluide caloporteur à basse température destiné à être en communication avec l'extérieur ; le détendeur (2) est raccordé au compresseur (1) et transmet de l'énergie. Le dispositif de pompe à chaleur à cycle combiné à fluide de travail unique est ainsi formé.
PCT/CN2020/000254 2019-10-17 2020-10-16 Dispositif de pompe à chaleur à cycle combiné à fluide de travail unique WO2021072990A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201911010174 2019-10-17
CN201911010677.2 2019-10-17
CN201911010677 2019-10-17
CN201911010174.5 2019-10-17

Publications (1)

Publication Number Publication Date
WO2021072990A1 true WO2021072990A1 (fr) 2021-04-22

Family

ID=75537651

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/000254 WO2021072990A1 (fr) 2019-10-17 2020-10-16 Dispositif de pompe à chaleur à cycle combiné à fluide de travail unique

Country Status (1)

Country Link
WO (1) WO2021072990A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4528823A (en) * 1982-04-14 1985-07-16 Hitachi, Ltd. Heat pump apparatus
JPH03125863A (ja) * 1989-10-06 1991-05-29 Matsushita Electric Ind Co Ltd ２段圧縮冷凍サイクル装置
CN205245610U (zh) * 2015-10-26 2016-05-18 王超颖 一种多用途泵系统
CN106225321A (zh) * 2016-04-17 2016-12-14 李华玉 第二类热驱动压缩式热泵
CN107893685A (zh) * 2016-10-12 2018-04-10 李华玉 单工质蒸汽联合循环与联合循环蒸汽动力装置
CN108662809A (zh) * 2017-03-30 2018-10-16 李华玉 双工质联合循环压缩式热泵

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4528823A (en) * 1982-04-14 1985-07-16 Hitachi, Ltd. Heat pump apparatus
JPH03125863A (ja) * 1989-10-06 1991-05-29 Matsushita Electric Ind Co Ltd ２段圧縮冷凍サイクル装置
CN205245610U (zh) * 2015-10-26 2016-05-18 王超颖 一种多用途泵系统
CN106225321A (zh) * 2016-04-17 2016-12-14 李华玉 第二类热驱动压缩式热泵
CN107893685A (zh) * 2016-10-12 2018-04-10 李华玉 单工质蒸汽联合循环与联合循环蒸汽动力装置
CN108662809A (zh) * 2017-03-30 2018-10-16 李华玉 双工质联合循环压缩式热泵

Similar Documents

Publication Publication Date Title
WO2020224284A1 (fr) Centrale à cycle combiné
WO2021068431A1 (fr) Dispositif de pompe à chaleur à cycle combiné à fluide de travail unique
WO2021072990A1 (fr) Dispositif de pompe à chaleur à cycle combiné à fluide de travail unique
WO2021072993A1 (fr) Dispositif de pompe à chaleur à cycle combiné à fluide de travail unique
WO2021068428A1 (fr) Dispositif pompe à chaleur à cycle combiné à fluide de travail unique
WO2020224283A1 (fr) Dispositif de puissance à cycle combiné
WO2021072994A1 (fr) Dispositif de pompe à chaleur à cycle combiné à fluide de travail unique
WO2021072989A1 (fr) Dispositif de pompe à chaleur à cycle combiné à fluide de travail unique
WO2020220726A1 (fr) Équipement de production d'énergie à cycle combiné
CN110542242B (zh) 联合循环热泵装置
WO2021072991A1 (fr) Dispositif pompe à chaleur à cycle combiné à fluide de travail unique
WO2021068429A1 (fr) Dispositif de pompe à chaleur à cycle combiné à fluide de travail unique
WO2021072992A1 (fr) Dispositif de pompe à chaleur à circulation combinée de fluide de travail unique
CN112344586A (zh) 单工质联合循环热泵装置
WO2021244028A1 (fr) Dispositif de pompe à chaleur à cycle combiné à entraînement thermique de premier type
CN113686043A (zh) 双工质联合循环热泵装置
CN112344583A (zh) 单工质联合循环热泵装置
WO2022193795A1 (fr) Appareil de pompe à chaleur à cycle combiné à entraînement thermique de premier type
WO2022105044A1 (fr) Appareil de pompe à chaleur à cycle combiné à entraînement thermique de premier type
WO2021258716A1 (fr) Dispositif de pompe à chaleur à cycle combiné à milieu de travail unique de seconde classe
WO2020224286A1 (fr) Dispositif de puissance à cycle combiné
CN115218524A (zh) 单工质联合循环热泵装置
CN112344587A (zh) 单工质联合循环热泵装置
CN114234483A (zh) 双工质联合循环热泵装置
CN112344585A (zh) 单工质联合循环热泵装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20877585

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20877585

Country of ref document: EP

Kind code of ref document: A1