Fourth type compression-injection-absorption heat pump

Abstract

The invention provides a fourth-class compression-injection-absorption heat pump, and belongs to the technical field of heat pumps. A low-temperature generator is communicated with a high-temperature generator through a solution pump, a solution heat exchanger and a second solution heat exchanger, the high-temperature generator is communicated with the low-temperature generator through the second solution heat exchanger, an absorber and the solution heat exchanger, the low-temperature generator is communicated with a low-temperature condenser, a low-pressure pump and an evaporator, and the high-temperature generator is communicated with a low-pressure steam inlet of an ejector. The high-temperature condenser is communicated with a low-temperature generator and then communicated with an evaporator through a throttling valve, the evaporator is communicated with an absorber through a compressor, the high-temperature condenser is communicated with a steam generator through a high-pressure pump, and the steam generator is communicated with a high-pressure steam inlet of the ejector. The high-temperature generator and the steam generator are communicated with the outside through high-temperature heat medium channels, the absorber and the high-temperature condenser are communicated with the outside through heated medium channels, the low-temperature condenser is communicated with the outside through a cooling medium channel, and the evaporator is communicated with the outside through a low-temperature heat medium channel.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of refrigeration and heat pump. BACKGROUND

[0002] People need to use energy to achieve refrigeration and efficient heating, in which the use of heat energy for refrigeration / heat is a conventional technical means. In practical application, the working parameters, performance index and manufacturing cost of heat pump need to be considered first and emphatically.

[0003] In the technology of using heat energy to achieve refrigeration / heat, the steam injection type refrigeration device has the advantages of simple structure, reliable operation, low investment and long service life; the disadvantages are that the utilization efficiency of driving steam needs to be improved, and the heating temperature is restricted.

[0004] In the technology of using heat energy to achieve refrigeration / heat, the absorption type refrigeration / heat pump technology also has the advantages of low manufacturing cost and can directly use heat energy as driving energy; however, due to the nature of the working medium, its working range is greatly limited.

[0005] From the principle of simple, active and efficient utilization of heat energy and mechanical energy combined driving refrigeration / heat, the fourth type of compression-ejection-absorption heat pump with reasonable process, simple structure, low cost, wide working range, technical integration and reasonable performance index is proposed. SUMMARY

[0006] The main purpose of the present application is to provide a fourth type of compression-ejection-absorption heat pump, and the specific invention content is described as follows:

[0007] 1. The fourth type of compression-ejection-absorption heat pump, mainly composed of a low temperature generator, a solution pump, a solution heat exchanger, a second solution heat exchanger, a high temperature generator, an absorber, a low temperature condenser, a low pressure pump, an evaporator, an ejector, a high temperature condenser, a throttle valve, a high pressure pump, a steam generator and a compressor; the low temperature generator has a concentrated solution pipeline connected with the high temperature generator through the solution pump, the solution heat exchanger and the second solution heat exchanger, the high temperature generator also has a concentrated solution pipeline connected with the absorber through the second solution heat exchanger, the absorber also has a dilute solution pipeline connected with the low temperature generator through the solution heat exchanger, the low temperature generator also has a refrigerant vapor channel connected with the low temperature condenser, the low temperature condenser also has a refrigerant liquid pipeline connected with the evaporator through the low pressure pump, the high temperature generator also has a refrigerant vapor channel connected with the low pressure steam inlet of the ejector, the ejector also has a medium pressure refrigerant vapor channel connected with the high temperature condenser, the high temperature condenser also has a refrigerant liquid pipeline connected with the low temperature generator, and then the low temperature generator has a refrigerant liquid pipeline connected with the evaporator through the throttle valve, the evaporator also has a refrigerant vapor channel connected with the absorber through the compressor, the high temperature condenser also has a refrigerant liquid pipeline connected with the steam generator through the high pressure pump, the steam generator also has a refrigerant vapor channel connected with the high pressure steam inlet of the ejector, the high temperature generator and the steam generator also have high temperature heat medium channels connected with the outside respectively, the absorber and the high temperature condenser also have heated medium channels connected with the outside respectively, the low temperature condenser also has a cooling medium channel connected with the outside, and the evaporator also has a low temperature heat medium channel connected with the outside, forming the fourth type of compression-ejection-absorption heat pump.

[0008] 2. The fourth type of compression-ejection-absorption heat pump, mainly composed of a low temperature generator, a solution pump, a solution heat exchanger, a second solution heat exchanger, a high temperature generator, an absorber, a low temperature condenser, a low pressure pump, an evaporator, an ejector, a high temperature condenser, a throttle valve and a compressor; the low temperature generator has a concentrated solution pipeline connected with the high temperature generator through the solution pump, the solution heat exchanger and the second solution heat exchanger, the high temperature generator has a concentrated solution pipeline connected with the absorber through the second solution heat exchanger, the absorber has a dilute solution pipeline connected with the low temperature generator through the solution heat exchanger, the low temperature generator has a refrigerant vapor channel connected with the low temperature condenser, the low temperature condenser has a refrigerant liquid pipeline connected with the evaporator through the low pressure pump, the high temperature generator has a refrigerant vapor channel connected with the low pressure steam inlet of the ejector, the outside has a working steam channel connected with the high pressure steam inlet of the ejector, the ejector has a medium pressure refrigerant vapor channel connected with the high temperature condenser, the high temperature condenser has a refrigerant liquid pipeline connected with the low temperature generator, and then the low temperature generator has a refrigerant liquid pipeline connected with the evaporator through the throttle valve, the evaporator has a refrigerant vapor channel connected with the absorber through the compressor, the high temperature condenser has a refrigerant liquid pipeline connected with the outside, the high temperature generator has a high temperature heat medium channel connected with the outside, the absorber and the high temperature condenser respectively have heated medium channels connected with the outside, the low temperature condenser has a cooling medium channel connected with the outside, the evaporator has a low temperature heat medium channel connected with the outside, forming the fourth type of compression-ejection-absorption heat pump.

[0009] 3. The fourth type of compression-ejection-absorption heat pump, mainly composed of a low temperature generator, a solution pump, a solution heat exchanger, a second solution heat exchanger, a high temperature generator, an absorber, a low temperature condenser, a low pressure pump, an evaporator, an ejector, a high temperature condenser, a throttle valve, a high pressure pump, a steam generator, a compressor and a second solution pump; the absorber has a dilute solution pipeline connected with the high temperature generator through the solution pump and the solution heat exchanger, the high temperature generator has a concentrated solution pipeline connected with the low temperature generator through the second solution heat exchanger and the second solution pump, the low temperature generator has a concentrated solution pipeline connected with the absorber through the second solution pump and the second solution heat exchanger, the low temperature generator has a refrigerant vapor passage connected with the low temperature condenser, the low temperature condenser has a refrigerant liquid pipeline connected with the evaporator through the low pressure pump, the high temperature generator has a refrigerant vapor passage connected with the low pressure steam inlet of the ejector, the ejector has a medium pressure refrigerant vapor passage connected with the high temperature condenser, the high temperature condenser has a refrigerant liquid pipeline connected with the low temperature generator, and the low temperature generator has a refrigerant liquid pipeline connected with the evaporator through the throttle valve, the evaporator has a refrigerant vapor passage connected with the absorber through the compressor, the high temperature condenser has a refrigerant liquid pipeline connected with the steam generator through the high pressure pump, the steam generator has a refrigerant vapor passage connected with the high pressure steam inlet of the ejector, the high temperature generator and the steam generator have high temperature heat medium passages connected with the outside respectively, the absorber and the high temperature condenser have heated medium passages connected with the outside respectively, the low temperature condenser has a cooling medium passage connected with the outside, and the evaporator has a low temperature heat medium passage connected with the outside, thus forming the fourth type of compression-ejection-absorption heat pump.

[0010] 4. The fourth type of compression-ejection-absorption heat pump, mainly composed of a low temperature generator, a solution pump, a solution heat exchanger, a second solution heat exchanger, a high temperature generator, an absorber, a low temperature condenser, a low pressure pump, an evaporator, an ejector, a high temperature condenser, a throttle valve, a compressor and a second solution pump; the absorber has a dilute solution pipeline connected with the high temperature generator through the solution pump and the solution heat exchanger, the high temperature generator has a concentrated solution pipeline connected with the low temperature generator through the second solution heat exchanger and the second solution pump, the low temperature generator has a concentrated solution pipeline connected with the absorber through the second solution pump and the second solution heat exchanger, the low temperature generator has a refrigerant vapor channel connected with the low temperature condenser, the low temperature condenser has a refrigerant liquid pipeline connected with the evaporator through the low pressure pump, the high temperature generator has a refrigerant vapor channel connected with the low pressure steam inlet of the ejector, the outside has a working steam channel connected with the high pressure steam inlet of the ejector, the ejector has a medium pressure refrigerant vapor channel connected with the high temperature condenser, the high temperature condenser has a refrigerant liquid pipeline connected with the low temperature generator, and the low temperature generator has a refrigerant liquid pipeline connected with the evaporator through the throttle valve, the evaporator has a refrigerant vapor channel connected with the absorber through the compressor, the high temperature condenser has a refrigerant liquid pipeline connected with the outside, the high temperature generator has a high temperature heat medium channel connected with the outside, the absorber and the high temperature condenser have heated medium channels connected with the outside respectively, the low temperature condenser has a cooling medium channel connected with the outside, and the evaporator has a low temperature heat medium channel connected with the outside, forming the fourth type of compression-ejection-absorption heat pump.

[0011] 5. The fourth type of compression-ejection-absorption heat pump, mainly composed of a low temperature generator, a solution pump, a solution heat exchanger, a second solution heat exchanger, a high temperature generator, an absorber, an evaporator, an ejector, a high temperature condenser, a throttle valve, a high pressure pump, a steam generator, a compressor, a second solution pump and a second absorber; the absorber has a dilute solution pipeline connected with the second absorber through the solution heat exchanger, the second absorber has a dilute solution pipeline connected with the high temperature generator through the solution pump and the second solution heat exchanger, the high temperature generator has a concentrated solution pipeline connected with the low temperature generator through the second solution heat exchanger, the low temperature generator has a concentrated solution pipeline connected with the absorber through the second solution pump and the solution heat exchanger, the low temperature generator has a refrigerant vapor passage connected with the second absorber, the high temperature generator has a refrigerant vapor passage connected with the low pressure vapor inlet of the ejector, the ejector has a medium pressure refrigerant vapor passage connected with the high temperature condenser, the high temperature condenser has a refrigerant liquid pipeline connected with the low temperature generator, the low temperature generator has a refrigerant liquid pipeline connected with the evaporator through the throttle valve, the evaporator has a refrigerant vapor passage connected with the absorber through the compressor, the high temperature condenser has a refrigerant liquid pipeline connected with the steam generator through the high pressure pump, the steam generator has a refrigerant vapor passage connected with the high pressure vapor inlet of the ejector, the high temperature generator and the steam generator have high temperature heat medium passages connected with the outside respectively, the absorber and the high temperature condenser have heated medium passages connected with the outside respectively, the evaporator has a low temperature heat medium passage connected with the outside, the second absorber has a cooling medium passage connected with the outside, forming the fourth type of compression-ejection-absorption heat pump.

[0012] 6. The fourth type of compression-ejection-absorption heat pump, mainly composed of a low-temperature generator, a solution pump, a solution heat exchanger, a second solution heat exchanger, a high-temperature generator, an absorber, an evaporator, an ejector, a high-temperature condenser, a throttle valve, a compressor, a second solution pump and a second absorber; the absorber has a dilute solution pipeline connected with the second absorber through the solution heat exchanger, the second absorber has a dilute solution pipeline connected with the high-temperature generator through the solution pump and the second solution heat exchanger, the high-temperature generator has a concentrated solution pipeline connected with the low-temperature generator through the second solution heat exchanger, the low-temperature generator has a concentrated solution pipeline connected with the absorber through the second solution pump and the solution heat exchanger, the low-temperature generator has a refrigerant vapor passage connected with the second absorber, the high-temperature generator has a refrigerant vapor passage connected with the low-pressure steam inlet of the ejector, the outside has a working vapor passage connected with the high-pressure steam inlet of the ejector, the ejector has a medium-pressure refrigerant vapor passage connected with the high-temperature condenser, the high-temperature condenser has a refrigerant liquid pipeline connected with the low-temperature generator, and the low-temperature generator has a refrigerant liquid pipeline connected with the evaporator through the throttle valve, the evaporator has a refrigerant vapor passage connected with the absorber through the compressor, the high-temperature condenser has a refrigerant liquid pipeline connected with the outside, the high-temperature generator has a high-temperature heat medium passage connected with the outside, the absorber and the high-temperature condenser have heated medium passages connected with the outside respectively, the evaporator has a low-temperature heat medium passage connected with the outside, the second absorber has a cooling medium passage connected with the outside, thereby forming the fourth type of compression-ejection-absorption heat pump.

[0013] 7. The fourth type of compression-ejection-absorption heat pump, which is any one of the fourth type of compression-ejection-absorption heat pumps described in the first to sixth items, wherein a nozzle is added and replaces the throttle valve, and a double-energy compressor is added and replaces the compressor, thereby forming the fourth type of compression-ejection-absorption heat pump. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the first type of structure and flow diagram of the fourth type of compression-ejection-absorption heat pump provided by the present application.

[0015] Figure 2 It is the second type of structure and flow diagram of the fourth type of compression-ejection-absorption heat pump provided by the present application.

[0016] Figure 3 It is the third type of structure and flow diagram of the fourth type of compression-ejection-absorption heat pump provided by the present application.

[0017] Figure 4 It is the fourth type of structure and flow diagram of the fourth type of compression-ejection-absorption heat pump provided by the present application.

[0018] Figure 5 It is the fifth type of structure and flow diagram of the fourth type of compression-ejection-absorption heat pump provided by the present application.

[0019] Figure 6 This is a schematic diagram of the sixth structure and process of the fourth type of compression-ejection-absorption heat pump provided by the present invention.

[0020] Figure 7 This is a schematic diagram of the seventh structure and process of the fourth type of compression-ejection-absorption heat pump provided by the present invention.

[0021] In the diagram, 1-low temperature generator, 2-solution pump, 3-solution heat exchanger, 4-second solution heat exchanger, 5-high temperature generator, 6-absorber, 7-low temperature condenser, 8-low pressure pump, 9-evaporator, 10-ejector, 11-high temperature condenser, 12-throttle valve, 13-high pressure pump, 14-steam generator, 15-compressor, 16-second solution pump, 17-second absorber, A-nozzle, B-dual-energy compressor. Detailed implementation method:

[0022] First, it should be noted that the structure and process are not repeated unless necessary; obvious processes are not described. The invention will now be described in detail with reference to the accompanying drawings and examples.

[0023] Figure 1 The fourth type of compression-ejection-absorption heat pump shown is implemented as follows:

[0024] (1) Structurally, it mainly consists of a low-temperature generator, a solution pump, a solution heat exchanger, a second solution heat exchanger, a high-temperature generator, an absorber, a low-temperature condenser, a low-pressure pump, an evaporator, an ejector, a high-temperature condenser, a throttling valve, a high-pressure pump, a steam generator, and a compressor; the low-temperature generator 1 has a concentrated solution pipeline connected to the high-temperature generator 5 via the solution pump 2, the solution heat exchanger 3, and the second solution heat exchanger 4; the high-temperature generator 5 also has a concentrated solution pipeline connected to the absorber 6 via the second solution heat exchanger 4; the absorber 6 also has a dilute solution pipeline connected to the low-temperature generator 1 via the solution heat exchanger 3; the low-temperature generator 1 also has a refrigerant vapor channel connected to the low-temperature condenser 7; the low-temperature condenser 7 also has a refrigerant liquid pipeline connected to the evaporator 9 via the low-pressure pump 8; and the high-temperature generator 5 also has a refrigerant vapor channel connected to the ejector 10. The ejector 10 has a high-pressure steam inlet, a medium-pressure refrigerant steam channel connected to the high-temperature condenser 11, a refrigerant liquid line connected to the low-temperature generator 1, and a refrigerant liquid line connected to the evaporator 9 via the throttle valve 12. The evaporator 9 has a refrigerant steam channel connected to the absorber 6 via the compressor 15. The high-temperature condenser 11 has a refrigerant liquid line connected to the steam generator 14 via the high-pressure pump 13. The steam generator 14 has a refrigerant steam channel connected to the high-pressure steam inlet of the ejector 10. The high-temperature generator 5 and the steam generator 14 also have high-temperature heat medium channels connected to the outside. The absorber 6 and the high-temperature condenser 11 also have heated medium channels connected to the outside. The low-temperature condenser 7 has a cooling medium channel connected to the outside. The evaporator 9 also has a low-temperature heat medium channel connected to the outside.

[0025] (2) In terms of process, the concentrated solution from the low-temperature generator 1 enters the high-temperature generator 5 via the solution pump 2, solution heat exchanger 3, and second solution heat exchanger 4. The high-temperature heat medium flows through the high-temperature generator 5, heating the solution inside and releasing refrigerant vapor, which is then supplied by the ejector 10. The concentrated solution from the high-temperature generator 5 enters the absorber 6 via the second solution heat exchanger 4, absorbing refrigerant vapor from the compressor 15 and releasing heat to the heated medium. The dilute solution from the absorber 6 enters the low-temperature generator 1 via the solution heat exchanger 3, absorbing heat and releasing refrigerant vapor, which is then supplied to the low-temperature condenser 7. The refrigerant vapor from the low-temperature condenser 7 releases heat to the cooling medium to form refrigerant liquid. The refrigerant liquid from the low-temperature condenser 7 is pressurized by the low-pressure pump 8, flows through the evaporator 9 to absorb heat and vaporize, flows through the compressor 15 to increase pressure and temperature, and is then supplied to the absorber 6. The refrigerant vapor discharged from the steam generator 14 is supplied to the ejector 10 as working steam. The working steam enters the ejector 10, flows through the nozzle to decrease pressure and increase speed, and forms a low-pressure system. The refrigerant vapor generated by the high-temperature generator 5... The two streams of steam are drawn into the low-pressure zone of the injector 10, mixed, and then flow through the diffuser to reduce speed and increase pressure to form medium-pressure steam, which is then supplied to the high-temperature condenser 11. The refrigerant vapor in the high-temperature condenser 11 releases heat to the heated medium to form a refrigerant liquid. The first stream of refrigerant liquid discharged from the high-temperature condenser 11 flows through the generator 1 to release heat and cool down, flows through the throttle valve 12 to reduce pressure and cool down, flows through the evaporator 9 to absorb heat and vaporize, flows through the compressor 15 to increase pressure and temperature, and is then supplied to the absorber 6. The second stream of refrigerant liquid discharged from the high-temperature condenser 11 flows through the high-pressure pump 13 to increase pressure and then enters the steam generator 14 to absorb heat, increase temperature, and vaporize. The high-temperature heat medium provides high-temperature driving heat load through the high-temperature generator 5 and the steam generator 14, and externally provides driving mechanical energy through the compressor 15. The heated medium obtains medium-temperature heating load through the absorber 6 and the high-temperature condenser 11. The low-temperature heat medium provides low-temperature heat load through the evaporator 9. The cooling medium carries away the low-temperature discharged heat load through the low-temperature condenser 7, forming a fourth type of compression-ejection-absorption heat pump.

[0026] Figure 2 The fourth type of compression-ejection-absorption heat pump shown is implemented as follows:

[0027] (1) Structurally, it mainly consists of a low-temperature generator, a solution pump, a solution heat exchanger, a second solution heat exchanger, a high-temperature generator, an absorber, a low-temperature condenser, a low-pressure pump, an evaporator, an ejector, a high-temperature condenser, a throttling valve, and a compressor; the low-temperature generator 1 has a concentrated solution pipeline connected to the high-temperature generator 5 via the solution pump 2, the solution heat exchanger 3, and the second solution heat exchanger 4; the high-temperature generator 5 also has a concentrated solution pipeline connected to the absorber 6 via the second solution heat exchanger 4; the absorber 6 also has a dilute solution pipeline connected to the low-temperature generator 1 via the solution heat exchanger 3; the low-temperature generator 1 also has a refrigerant vapor channel connected to the low-temperature condenser 7; the low-temperature condenser 7 also has a refrigerant liquid pipeline connected to the evaporator 9 via the low-pressure pump 8; and the high-temperature generator 5 also has a refrigerant vapor channel. The low-pressure steam inlet of the ejector 10 is connected to the external working steam channel, which is connected to the high-pressure steam inlet of the ejector 10. The ejector 10 also has a medium-pressure refrigerant steam channel connected to the high-temperature condenser 11. The high-temperature condenser 11 also has a refrigerant liquid pipeline connected to the low-temperature generator 1. The low-temperature generator 1 then has a refrigerant liquid pipeline connected to the evaporator 9 via the throttle valve 12. The evaporator 9 also has a refrigerant steam channel connected to the absorber 6 via the compressor 15. The high-temperature condenser 11 also has a refrigerant liquid pipeline connected to the outside. The high-temperature generator 5 also has a high-temperature heat medium channel connected to the outside. The absorber 6 and the high-temperature condenser 11 also have heated medium channels connected to the outside. The low-temperature condenser 7 also has a cooling medium channel connected to the outside. The evaporator 9 also has a low-temperature heat medium channel connected to the outside.

[0028] (2) In terms of process, with Figure 1 Compared to the fourth type of compression-ejection-absorption heat pump shown, the difference is that the refrigerant liquid discharged from the high-temperature condenser 11 is divided into two paths - the first path is provided to the low-temperature generator 1 as the driving heat medium and the second path is discharged to the outside, and the outside provides working steam to the ejector 10, thus forming the fourth type of compression-ejection-absorption heat pump.

[0029] Figure 3 The fourth type of compression-ejection-absorption heat pump shown is implemented as follows:

[0030] (1) Structurally, it mainly consists of a low-temperature generator, a solution pump, a solution heat exchanger, a second solution heat exchanger, a high-temperature generator, an absorber, a low-temperature condenser, a low-pressure pump, an evaporator, an ejector, a high-temperature condenser, a throttle valve, a high-pressure pump, a steam generator, a compressor, and a second solution pump; the absorber 6 has a dilute solution pipeline connected to the high-temperature generator 5 via the solution pump 2 and the solution heat exchanger 3; the high-temperature generator 5 also has a concentrated solution pipeline connected to the low-temperature generator 1 via the solution heat exchanger 3 and the second solution heat exchanger 4; the low-temperature generator 1 also has a concentrated solution pipeline connected to the absorber 6 via the second solution pump 16 and the second solution heat exchanger 4; the low-temperature generator 1 also has a refrigerant vapor channel connected to the low-temperature condenser 7; the low-temperature condenser 7 also has a refrigerant liquid pipeline connected to the evaporator 9 via the low-pressure pump 8; and the high-temperature generator 5 also has a refrigerant vapor channel connected to... The ejector 10 has a low-pressure steam inlet, and the ejector 10 also has a medium-pressure refrigerant steam channel connected to the high-temperature condenser 11. The high-temperature condenser 11 also has a refrigerant liquid line connected to the low-temperature generator 1. The low-temperature generator 1 then has a refrigerant liquid line connected to the evaporator 9 via the throttle valve 12. The evaporator 9 also has a refrigerant steam channel connected to the absorber 6 via the compressor 15. The high-temperature condenser 11 also has a refrigerant liquid line connected to the steam generator 14 via the high-pressure pump 13. The steam generator 14 also has a refrigerant steam channel connected to the high-pressure steam inlet of the ejector 10. The high-temperature generator 5 and the steam generator 14 also have high-temperature heat medium channels connected to the outside. The absorber 6 and the high-temperature condenser 11 also have heated medium channels connected to the outside. The low-temperature condenser 7 also has a cooling medium channel connected to the outside. The evaporator 9 also has a low-temperature heat medium channel connected to the outside.

[0031] (2) In terms of process, the dilute solution of absorber 6 enters high-temperature generator 5 via solution pump 2 and solution heat exchanger 3. The high-temperature heat medium flows through high-temperature generator 5, heats the solution inside, releases refrigerant vapor, and supplies it to ejector 10. The concentrated solution of high-temperature generator 5 enters low-temperature generator 1 via solution heat exchanger 3 and second solution heat exchanger 4, absorbs heat, releases refrigerant vapor, and supplies it to low-temperature condenser 7. The concentrated solution of low-temperature generator 1 enters absorber 6 via second solution pump 15 and second solution heat exchanger 4, absorbs refrigerant vapor from compressor 15, and releases heat to the heated medium. The refrigerant vapor of low-temperature condenser 7 releases heat to the cooling medium to form refrigerant liquid. The refrigerant liquid of low-temperature condenser 7 is pressurized by low-pressure pump 8 and enters evaporator 9 to absorb heat and vaporize. It flows through compressor 15 to increase pressure and temperature, and then supplies it to absorber 6. The refrigerant vapor discharged by steam generator 14 is supplied to ejector 10 as working steam. The working steam enters ejector 10, flows through nozzles to decrease pressure and increase speed, and forms low pressure. The refrigerant generated by high-temperature generator 5... Steam is drawn into the low-pressure zone of ejector 10. After the two steam streams are mixed, they flow through the diffuser to reduce speed and increase pressure to form medium-pressure steam, which is then supplied to the high-temperature condenser 11. The refrigerant vapor in the high-temperature condenser 11 releases heat to the heated medium to form refrigerant liquid. The first stream of refrigerant liquid discharged from the high-temperature condenser 11 flows through the generator 1 to release heat and reduce temperature, flows through the throttle valve 12 to reduce pressure and reduce temperature, flows through the evaporator 9 to absorb heat and vaporize, flows through the compressor 15 to increase pressure and temperature, and is then supplied to the absorber 6. The second stream of refrigerant liquid discharged from the high-temperature condenser 11 flows through the high-pressure pump 13 to increase pressure, enters the steam generator 14 to absorb heat and vaporize, and is supplied to the ejector 10. The high-temperature heat medium provides high-temperature driving heat load through the high-temperature generator 5 and the steam generator 14, and externally provides driving mechanical energy through the compressor 15. The heated medium obtains medium-temperature heating load through the absorber 6 and the high-temperature condenser 11. The low-temperature heat medium provides low-temperature heat load through the evaporator 9. The cooling medium carries away the low-temperature discharged heat load through the low-temperature condenser 7, forming a fourth type of compression-ejection-absorption heat pump.

[0032] Figure 4 The fourth type of compression-ejection-absorption heat pump shown is implemented as follows:

[0033] (1) Structurally, it mainly consists of a low-temperature generator, a solution pump, a solution heat exchanger, a second solution heat exchanger, a high-temperature generator, an absorber, a low-temperature condenser, a low-pressure pump, an evaporator, an ejector, a high-temperature condenser, a throttle valve, a compressor, and a second solution pump; the absorber 6 has a dilute solution pipeline connected to the high-temperature generator 5 via the solution pump 2 and the solution heat exchanger 3; the high-temperature generator 5 also has a concentrated solution pipeline connected to the low-temperature generator 1 via the solution heat exchanger 3 and the second solution heat exchanger 4; the low-temperature generator 1 also has a concentrated solution pipeline connected to the absorber 6 via the second solution pump 16 and the second solution heat exchanger 4; the low-temperature generator 1 also has a refrigerant vapor channel connected to the low-temperature condenser 7; the low-temperature condenser 7 also has a refrigerant liquid pipeline connected to the evaporator 9 via the low-pressure pump 8; the high-temperature generator 5 also... There is a refrigerant vapor channel connecting to the low-pressure steam inlet of the ejector 10, and an external working steam channel connecting to the high-pressure steam inlet of the ejector 10. The ejector 10 also has a medium-pressure refrigerant vapor channel connecting to the high-temperature condenser 11. The high-temperature condenser 11 also has a refrigerant liquid pipeline connecting to the low-temperature generator 1. The low-temperature generator 1 then has a refrigerant liquid pipeline connecting to the evaporator 9 via the throttle valve 12. The evaporator 9 also has a refrigerant vapor channel connecting to the absorber 6 via the compressor 15. The high-temperature condenser 11 also has a refrigerant liquid pipeline connecting to the outside. The high-temperature generator 5 also has a high-temperature heat medium channel connecting to the outside. The absorber 6 and the high-temperature condenser 11 also have heated medium channels connecting to the outside. The low-temperature condenser 7 also has a cooling medium channel connecting to the outside. The evaporator 9 also has a low-temperature heat medium channel connecting to the outside.

[0034] (2) In terms of process, with Figure 4 Compared to the fourth type of compression-ejection-absorption heat pump shown, the difference is that the refrigerant liquid discharged from the high-temperature condenser 11 is divided into two paths - the first path is provided to the low-temperature generator 1 as the driving heat medium and the second path is discharged to the outside, and the outside provides working steam to the ejector 10, thus forming the fourth type of compression-ejection-absorption heat pump.

[0035] Figure 5 The fourth type of compression-ejection-absorption heat pump shown is implemented as follows:

[0036] (1) Structurally, it mainly consists of a low-temperature generator, a solution pump, a solution heat exchanger, a second solution heat exchanger, a high-temperature generator, an absorber, an evaporator, an ejector, a high-temperature condenser, a throttling valve, a high-pressure pump, a steam generator, a compressor, a second solution pump, and a second absorber; the absorber 6 has a dilute solution pipeline connected to the second absorber 17 via the solution heat exchanger 3, the second absorber 17 also has a dilute solution pipeline connected to the high-temperature generator 5 via the solution pump 2 and the second solution heat exchanger 4, the high-temperature generator 5 also has a concentrated solution pipeline connected to the low-temperature generator 1 via the second solution heat exchanger 4, the low-temperature generator 1 also has a concentrated solution pipeline connected to the absorber 6 via the second solution pump 16 and the solution heat exchanger 3, the low-temperature generator 1 also has a refrigerant vapor channel connected to the second absorber 17, and the high-temperature generator 5 also has a refrigerant vapor channel connected to the ejector. The ejector 10 has a low-pressure steam inlet, and the ejector 10 also has a medium-pressure refrigerant steam channel connected to the high-temperature condenser 11. The high-temperature condenser 11 also has a refrigerant liquid line connected to the low-temperature generator 1. The low-temperature generator 1 then has a refrigerant liquid line connected to the evaporator 9 via the throttle valve 12. The evaporator 9 also has a refrigerant steam channel connected to the absorber 6 via the compressor 15. The high-temperature condenser 11 also has a refrigerant liquid line connected to the steam generator 14 via the high-pressure pump 13. The steam generator 14 also has a refrigerant steam channel connected to the high-pressure steam inlet of the ejector 10. The high-temperature generator 5 and the steam generator 14 also have high-temperature heat medium channels connected to the outside. The absorber 6 and the high-temperature condenser 11 also have heated medium channels connected to the outside. The evaporator 9 also has a low-temperature heat medium channel connected to the outside. The second absorber 17 also has a cooling medium channel connected to the outside.

[0037] (2) In terms of process, the dilute solution of the absorber enters the second absorber 16 through the solution heat exchanger 3, absorbs refrigerant vapor and releases heat to the cooling medium. The dilute solution of the second absorber 16 enters the high-temperature generator 5 through the solution pump 2 and the second solution heat exchanger 4. The high-temperature heat medium flows through the high-temperature generator 5, heats the solution inside, releases refrigerant vapor and enters the low-pressure zone of the ejector 10. The concentrated solution of the high-temperature generator 5 enters the low-temperature generator 1 through the second solution heat exchanger 4, absorbs heat and releases refrigerant vapor and supplies it to the second absorber 16. The concentrated solution of the low-temperature generator 1 enters the absorber 6 through the second solution pump 15 and the solution heat exchanger 3, absorbs refrigerant vapor from the compressor 15 and releases heat to the heated medium. The refrigerant vapor discharged by the steam generator 14 is supplied to the ejector 10 as working steam. The working steam enters the ejector 10, flows through the nozzle to reduce pressure and increase speed and form a low pressure. The refrigerant vapor generated by the high-temperature generator 5 is drawn into the low-pressure zone of the ejector 10. The two steam... After the steam and gas are mixed, the vapor flows through the diffuser to slow down and increase in pressure to form medium-pressure steam, which is then supplied to the high-temperature condenser 11. The refrigerant vapor in the high-temperature condenser 11 releases heat to the heated medium to form refrigerant liquid. The first stream of refrigerant liquid discharged from the high-temperature condenser 11 flows through the generator 1 to release heat and cool down, flows through the throttle valve 12 to decrease pressure and temperature, flows through the evaporator 9 to absorb heat and vaporize, flows through the compressor 15 to increase pressure and temperature, and is then supplied to the absorber 6. The second stream of refrigerant liquid discharged from the high-temperature condenser 11 flows through the high-pressure pump 13 to increase pressure, enters the steam generator 14 to absorb heat and vaporize, and is supplied to the ejector 10. The high-temperature heat medium provides high-temperature driving heat load through the high-temperature generator 5 and the steam generator 14, and externally provides driving mechanical energy through the compressor 15. The heated medium obtains medium-temperature heating load through the absorber 6 and the high-temperature condenser 11. The low-temperature heat medium provides low-temperature heat load through the evaporator 9. The cooling medium carries away the low-temperature discharged heat load through the second absorber 16, forming a fourth type of compression-ejection-absorption heat pump.

[0038] Figure 6 The fourth type of compression-ejection-absorption heat pump shown is implemented as follows:

[0039] (1) Structurally, it mainly consists of a low-temperature generator, a solution pump, a solution heat exchanger, a second solution heat exchanger, a high-temperature generator, an absorber, an evaporator, an ejector, a high-temperature condenser, a throttling valve, a compressor, a second solution pump, and a second absorber; the absorber 6 has a dilute solution pipeline connected to the second absorber 17 via the solution heat exchanger 3, the second absorber 17 also has a dilute solution pipeline connected to the high-temperature generator 5 via the solution pump 2 and the second solution heat exchanger 4, the high-temperature generator 5 also has a concentrated solution pipeline connected to the low-temperature generator 1 via the second solution heat exchanger 4, the low-temperature generator 1 also has a concentrated solution pipeline connected to the absorber 6 via the second solution pump 16 and the solution heat exchanger 3, the low-temperature generator 1 also has a refrigerant vapor channel connected to the second absorber 17, and the high-temperature generator 5 also has a refrigerant vapor channel connected to the second absorber 17. The refrigerant vapor passage connects to the low-pressure steam inlet of the ejector 10, and the external working steam passage connects to the high-pressure steam inlet of the ejector 10. The ejector 10 also has a medium-pressure refrigerant vapor passage connected to the high-temperature condenser 11. The high-temperature condenser 11 also has a refrigerant liquid pipeline connected to the low-temperature generator 1. The low-temperature generator 1 then has a refrigerant liquid pipeline connected to the evaporator 9 via the throttle valve 12. The evaporator 9 also has a refrigerant vapor passage connected to the absorber 6 via the compressor 15. The high-temperature condenser 11 also has a refrigerant liquid pipeline connected to the outside. The high-temperature generator 5 also has a high-temperature heat medium passage connected to the outside. The absorber 6 and the high-temperature condenser 11 also have heated medium passages connected to the outside. The evaporator 9 also has a low-temperature heat medium passage connected to the outside. The second absorber 17 also has a cooling medium passage connected to the outside.

[0040] (2) In terms of process, with Figure 7 Compared to the fourth type of compression-ejection-absorption heat pump shown, the difference is that the refrigerant liquid discharged from the high-temperature condenser 11 is divided into two paths - the first path is provided to the low-temperature generator 1 as the driving heat medium and the second path is discharged to the outside, and the outside provides working steam to the ejector 10, thus forming the fourth type of compression-ejection-absorption heat pump.

[0041] Figure 7 The fourth type of compression-ejection-absorption heat pump shown is implemented as follows:

[0042] exist Figure 5 In the fourth type of compression-ejection-absorption heat pump shown, a nozzle A is added and replaces the throttle valve 12, and a dual-energy compressor B is added and replaces the compressor 15; the refrigerant liquid in the high-temperature condenser 11 is divided into two paths - the first path flows through the low-temperature generator 1 to release heat and cool down, flows through the nozzle A to reduce pressure and increase speed, and enters the evaporator 9 to absorb heat and vaporize, and the second path enters the steam generator 14 through the high-pressure pump 13 to absorb heat and vaporize; the refrigerant vapor discharged from the evaporator 9 flows through the dual-energy compressor B to increase pressure and temperature and reduce speed, and then is provided to the absorber 6 to form the fourth type of compression-ejection-absorption heat pump.

[0043] The effects achievable by this invention—the fourth type of compression-ejection-absorption heat pump proposed in this invention has the following effects and advantages:

[0044] (1) A new technology for refrigeration / heating driven by a combination of high-temperature thermal energy, low-temperature thermal energy and mechanical energy was proposed, which enriched the refrigeration / heating technology.

[0045] (2) Effectively improve the working parameters of refrigerant vapor, significantly expand the working parameter range of heat pump, and facilitate the realization of cooling and heating over a larger temperature range.

[0046] (3) The process is reasonable and the performance index is reasonable.

[0047] (4) Simple structure, reducing manufacturing costs.

[0048] (5) It is conducive to the full utilization of high-grade thermal energy and reduces the irreversible loss of systemic temperature difference.

[0049] (6) The ejector is simple to manufacture, durable, and has little irreversible loss, which is beneficial to improving the performance index of the heat pump.

[0050] (7) It makes up for the shortcomings of absorption heat pump technology, can significantly increase the heating temperature, and effectively avoid the conflict between the parameters of medium-temperature heat medium and the properties of the solution.

[0051] (8) It provides a variety of specific technical solutions, which can cope with many different actual situations and has a wide range of applications, which is conducive to expanding the application scope and value of compression-jet-absorption heat pump technology.

Claims

1. The fourth type of compression-ejection-absorption heat pump is mainly composed of a low-temperature generator, a solution pump, a solution heat exchanger, a second solution heat exchanger, a high-temperature generator, an absorber, a low-temperature condenser, a low-pressure pump, an evaporator, an ejector, a high-temperature condenser, a throttle valve, a high-pressure pump, a steam generator, and a compressor. The low-temperature generator (1) has a concentrated solution pipeline connected to the high-temperature generator (5) via the solution pump (2), the solution heat exchanger (3), and the second solution heat exchanger (4). The high-temperature generator (5) also has a concentrated solution pipeline connected to the absorber (6) via the second solution heat exchanger (4). The absorber (6) also has a dilute solution pipeline connected to the low-temperature generator (1) via the solution heat exchanger (3). The low-temperature generator (1) also has a refrigerant vapor channel connected to the low-temperature condenser (7). The low-temperature condenser (7) also has a refrigerant liquid pipeline connected to the evaporator (9) via the low-pressure pump (8). The high-temperature generator (5) also has a refrigerant vapor channel connected to the low-pressure steam inlet of the ejector (10). The ejector (10) is connected to the high-temperature condenser (11) via a medium-pressure refrigerant vapor channel. The high-temperature condenser (11) is connected to the low-temperature generator (1) via a refrigerant liquid pipeline. The low-temperature generator (1) is then connected to the evaporator (9) via a refrigerant liquid pipeline through a throttle valve (12). The evaporator (9) is connected to the absorber (6) via a refrigerant vapor channel through a compressor (15). The high-temperature condenser (11) is connected to the steam generator (14) via a high-pressure pump (13). The steam generator (14) is connected to the high-pressure steam inlet of the ejector (10) via a refrigerant vapor channel. The high-temperature generator (5) and the steam generator (14) are also connected to the outside via high-temperature heat medium channels. The absorber (6) and the high-temperature condenser (11) are also connected to the outside via heated medium channels. The low-temperature condenser (7) is connected to the outside via a cooling medium channel. The evaporator (9) is connected to the outside via a low-temperature heat medium channel, forming a fourth type of compression-ejection-absorption heat pump.

2. The fourth type of compression-ejection-absorption heat pump mainly consists of a low-temperature generator, a solution pump, a solution heat exchanger, a second solution heat exchanger, a high-temperature generator, an absorber, a low-temperature condenser, a low-pressure pump, an evaporator, an ejector, a high-temperature condenser, a throttling valve, and a compressor. The low-temperature generator (1) has a concentrated solution pipeline connected to the high-temperature generator (5) via the solution pump (2), the solution heat exchanger (3), and the second solution heat exchanger (4). The high-temperature generator (5) also has a concentrated solution pipeline connected to the absorber (6) via the second solution heat exchanger (4). The absorber (6) also has a dilute solution pipeline connected to the low-temperature generator (1) via the solution heat exchanger (3). The low-temperature generator (1) also has a refrigerant vapor channel connected to the low-temperature condenser (7). The low-temperature condenser (7) also has a refrigerant liquid pipeline connected to the evaporator (9) via the low-pressure pump (8). The high-temperature generator (5) also has a refrigerant vapor channel connected to the ejector. (10) Low-pressure steam inlet, external working steam channel connected to ejector (10) high-pressure steam inlet, ejector (10) also has medium-pressure refrigerant steam channel connected to high-temperature condenser (11), high-temperature condenser (11) also has refrigerant liquid pipeline connected to low-temperature generator (1) after low-temperature generator (1) has refrigerant liquid pipeline connected to evaporator (9) via throttle valve (12), evaporator (9) also has refrigerant steam channel connected to absorber (6) via compressor (15), high-temperature condenser (11) also has refrigerant liquid pipeline connected to the outside, high-temperature generator (5) also has high-temperature heat medium channel connected to the outside, absorber (6) and high-temperature condenser (11) also have heated medium channel connected to the outside respectively, low-temperature condenser (7) also has cooling medium channel connected to the outside, evaporator (9) also has low-temperature heat medium channel connected to the outside, forming a fourth type of compression-ejection-absorption heat pump.

3. The fourth type of compression-ejection-absorption heat pump mainly consists of a low-temperature generator, a solution pump, a solution heat exchanger, a second solution heat exchanger, a high-temperature generator, an absorber, a low-temperature condenser, a low-pressure pump, an evaporator, an ejector, a high-temperature condenser, a throttle valve, a high-pressure pump, a steam generator, a compressor, and a second solution pump; the absorber (6) has a dilute solution pipeline connected to the high-temperature generator (5) via the solution pump (2) and the solution heat exchanger (3), and the high-temperature generator (5) also has a concentrated solution pipeline connected to the high-temperature generator (5) via the solution pump (2) and the solution heat exchanger (3). The solution heat exchanger (3) and the second solution heat exchanger (4) are connected to the low-temperature generator (1). The low-temperature generator (1) also has a concentrated solution pipeline connected to the absorber (6) via the second solution pump (16) and the second solution heat exchanger (4). The low-temperature generator (1) also has a refrigerant vapor channel connected to the low-temperature condenser (7). The low-temperature condenser (7) also has a refrigerant liquid pipeline connected to the evaporator (9) via the low-pressure pump (8). The high-temperature generator (5) also has a refrigerant vapor channel connected to the ejector (10). The low-pressure steam inlet, ejector (10), and medium-pressure refrigerant steam channel are connected to the high-temperature condenser (11). The high-temperature condenser (11) is also connected to the low-temperature generator (1) via a refrigerant liquid line. The low-temperature generator (1) is then connected to the evaporator (9) via a refrigerant liquid line through a throttle valve (12). The evaporator (9) is also connected to the absorber (6) via a compressor (15). The high-temperature condenser (11) is also connected to the steam generator (14) via a high-pressure pump (13). The steam generator (14) is connected to the high-pressure steam inlet of the ejector (10), the high-temperature generator (5) and the steam generator (14) are connected to the outside through high-temperature heat medium channels, the absorber (6) and the high-temperature condenser (11) are connected to the outside through heated medium channels, the low-temperature condenser (7) is connected to the outside through cooling medium channels, and the evaporator (9) is connected to the outside through low-temperature heat medium channels, forming a fourth type of compression-ejection-absorption heat pump.

4. The fourth type of compression-ejection-absorption heat pump mainly consists of a low-temperature generator, a solution pump, a solution heat exchanger, a second solution heat exchanger, a high-temperature generator, an absorber, a low-temperature condenser, a low-pressure pump, an evaporator, an ejector, a high-temperature condenser, a throttle valve, a compressor, and a second solution pump. The absorber (6) has a dilute solution pipeline connected to the high-temperature generator (5) via the solution pump (2) and the solution heat exchanger (3). The high-temperature generator (5) also has a concentrated solution pipeline connected to the low-temperature generator (1) via the solution heat exchanger (3) and the second solution heat exchanger (4). The low-temperature generator (1) also has a concentrated solution pipeline connected to the absorber (6) via the second solution pump (16) and the second solution heat exchanger (4). The low-temperature generator (1) also has a refrigerant vapor channel connected to the low-temperature condenser (7). The low-temperature condenser (7) also has a refrigerant liquid pipeline connected to the evaporator (9) via the low-pressure pump (8). The high-temperature generator (5) also has a refrigerant vapor channel. The steam passage connects to the low-pressure steam inlet of the ejector (10), and the external working steam passage connects to the high-pressure steam inlet of the ejector (10). The ejector (10) also has a medium-pressure refrigerant steam passage connected to the high-temperature condenser (11). The high-temperature condenser (11) also has a refrigerant liquid pipeline connected to the low-temperature generator (1). The low-temperature generator (1) then has a refrigerant liquid pipeline connected to the evaporator (9) via a throttle valve (12). The evaporator (9) also has a refrigerant steam passage connected to the absorber (6) via a compressor (15). The high-temperature condenser (11) also has a refrigerant liquid pipeline connected to the outside. The high-temperature generator (5) also has a high-temperature heat medium passage connected to the outside. The absorber (6) and the high-temperature condenser (11) also have heated medium passages connected to the outside. The low-temperature condenser (7) also has a cooling medium passage connected to the outside. The evaporator (9) also has a low-temperature heat medium passage connected to the outside, forming a fourth type of compression-ejection-absorption heat pump.

5. The fourth type of compression-ejection-absorption heat pump mainly consists of a low-temperature generator, a solution pump, a solution heat exchanger, a second solution heat exchanger, a high-temperature generator, an absorber, an evaporator, an ejector, a high-temperature condenser, a throttling valve, a high-pressure pump, a steam generator, a compressor, a second solution pump, and a second absorber. The absorber (6) has a dilute solution pipeline connected to the second absorber (17) via the solution heat exchanger (3). The second absorber (17) also has a dilute solution pipeline connected to the high-temperature generator (5) via the solution pump (2) and the second solution heat exchanger (4). The high-temperature generator (5) also has a concentrated solution pipeline connected to the low-temperature generator (1) via the second solution heat exchanger (4). The low-temperature generator (1) also has a concentrated solution pipeline connected to the absorber (6) via the second solution pump (16) and the solution heat exchanger (3). The low-temperature generator (1) also has a refrigerant vapor channel connected to the second absorber (17). The high-temperature generator (5) also has a refrigerant vapor channel connected to the low-pressure steam of the ejector (10). The ejector (10) has a medium-pressure refrigerant vapor channel connected to the high-temperature condenser (11). The high-temperature condenser (11) has a refrigerant liquid pipeline connected to the low-temperature generator (1). The low-temperature generator (1) then has a refrigerant liquid pipeline connected to the evaporator (9) via a throttle valve (12). The evaporator (9) also has a refrigerant vapor channel connected to the absorber (6) via a compressor (15). The high-temperature condenser (11) also has a refrigerant liquid pipeline connected to the steam generator (14) via a high-pressure pump (13). The steam generator (14) also has a refrigerant vapor channel connected to the high-pressure steam inlet of the ejector (10). The high-temperature generator (5) and the steam generator (14) also have high-temperature heat medium channels connected to the outside. The absorber (6) and the high-temperature condenser (11) also have heated medium channels connected to the outside. The evaporator (9) also has a low-temperature heat medium channel connected to the outside. The second absorber (17) also has a cooling medium channel connected to the outside, forming a fourth type of compression-ejection-absorption heat pump.

6. The fourth type of compression-ejection-absorption heat pump mainly consists of a low-temperature generator, a solution pump, a solution heat exchanger, a second solution heat exchanger, a high-temperature generator, an absorber, an evaporator, an ejector, a high-temperature condenser, a throttle valve, a compressor, a second solution pump, and a second absorber. The absorber (6) has a dilute solution pipeline connected to the second absorber (17) via the solution heat exchanger (3). The second absorber (17) also has a dilute solution pipeline connected to the high-temperature generator (5) via the solution pump (2) and the second solution heat exchanger (4). The high-temperature generator (5) also has a concentrated solution pipeline connected to the low-temperature generator (1) via the second solution heat exchanger (4). The low-temperature generator (1) also has a concentrated solution pipeline connected to the absorber (6) via the second solution pump (16) and the solution heat exchanger (3). The low-temperature generator (1) also has a refrigerant vapor channel connected to the second absorber (17). The high-temperature generator (5) also has a refrigerant vapor channel. The low-pressure steam inlet of the ejector (10) is connected to the external working steam channel, the high-pressure steam inlet of the ejector (10) is connected to the medium-pressure refrigerant steam channel and the high-temperature condenser (11), the high-temperature condenser (11) is connected to the low-temperature generator (1) through the refrigerant liquid pipeline, the low-temperature generator (1) is connected to the evaporator (9) through the throttle valve (12), the evaporator (9) is connected to the absorber (6) through the compressor (15), the high-temperature condenser (11) is connected to the outside through the refrigerant liquid pipeline, the high-temperature generator (5) is connected to the outside through the high-temperature heat medium channel, the absorber (6) and the high-temperature condenser (11) are connected to the outside through the heated medium channel, the evaporator (9) is connected to the outside through the low-temperature heat medium channel, and the second absorber (17) is connected to the outside through the cooling medium channel, forming a fourth type of compression-ejection-absorption heat pump.

7. The fourth type of compression-ejection-absorption heat pump is formed by adding a nozzle (A) and replacing the throttle valve (12) to any of the fourth type of compression-ejection-absorption heat pumps described in claims 1-6, and adding a dual-energy compressor (B) and replacing the compressor (15).

Images