Third-class compression-injection-absorption heat pump

By designing a third type of compression-ejection-absorption heat pump, which combines concentrated and dilute solution exchange and steam injection of various components, the problems of low efficiency of steam jet refrigeration devices and limited operating range of absorption refrigeration/heat pumps are solved, achieving efficient and low-cost cooling/heating effects.

CN121855086APending Publication Date: 2026-04-14李华玉
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-11-22
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

Existing steam jet refrigeration devices have low steam utilization efficiency and limited heating temperature, while absorption refrigeration/heat pumps have working fluid properties that limit their operating range, making it difficult to achieve efficient cooling/heating.

Method used

The third type of compression-ejection-absorption heat pump is designed, which combines components such as a low-temperature generator, a solution pump, a solution heat exchanger, a high-temperature generator, and an absorber. It achieves combined drive and a wide operating range through the exchange of concentrated and dilute solutions and the injection of steam by the ejector.

Benefits of technology

It improved drive efficiency, expanded the heating temperature range, reduced costs, and achieved process rationalization and performance index optimization.

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Abstract

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

Technical fields:

[0001] This invention belongs to the field of refrigeration and heat pump technology. Background technology:

[0002] People need to utilize energy for cooling and efficient heating, with heat energy being a conventional technology. In practical applications, the operating parameters, performance index, and manufacturing cost of heat pumps need to be given priority and emphasis.

[0003] Among technologies that utilize thermal energy for heating, steam jet refrigeration devices have the advantages of simple structure, reliable operation, low investment, and long service life; however, their disadvantages are that the utilization efficiency of the driving steam needs to be improved, and the heating temperature is limited.

[0004] Among technologies that utilize thermal energy for cooling / heating, absorption cooling / heat pump technology also has the advantages of low manufacturing cost and the ability to directly use thermal energy as a driving energy source; however, its operating range is greatly limited due to the properties of the working fluid.

[0005] Based on the principle of simple, proactive, and efficient utilization of thermal and mechanical energy to jointly drive refrigeration / heating, this invention proposes a third type of compression-ejection-absorption heat pump with a reasonable process, simple structure, low cost, wide operating range, and rationalized performance index, achieving technological integration. Summary of the Invention:

[0006] The main objective of this invention is to provide a third type of compression-ejection-absorption heat pump, the specific contents of which are described below:

[0007] 1. The third 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, a high-temperature condenser, a throttling valve, a high-pressure pump, a steam generator, an ejector, and a compressor. The low-temperature generator has a concentrated solution pipeline connected to the high-temperature generator via the solution pump, the solution heat exchanger, and the second solution heat exchanger. The high-temperature generator also has a concentrated solution pipeline connected to the absorber via the second solution heat exchanger. The absorber also has a dilute solution pipeline connected to the low-temperature generator via the solution heat exchanger. The low-temperature generator also has a refrigerant vapor channel connected to the low-temperature condenser. The low-temperature condenser also has a refrigerant liquid pipeline connected to the evaporator via the low-pressure pump. The high-temperature generator also has a refrigerant vapor channel. The steam channel is connected to the high-temperature condenser via the compressor. The high-temperature condenser also has a refrigerant liquid line connected to the evaporator via a throttling valve. The high-temperature condenser also has a refrigerant liquid line connected to the steam generator via a high-pressure pump. The steam generator also has a refrigerant steam channel connected to the high-pressure steam inlet of the ejector. The evaporator also has a refrigerant steam channel connected to the low-pressure steam inlet of the ejector. The ejector also has a medium-pressure refrigerant steam channel connected to the absorber. The high-temperature generator and the steam generator also have high-temperature heat medium channels connected to the outside. The absorber and the high-temperature condenser also have heated medium channels connected to the outside. The low-temperature condenser also has a cooling medium channel connected to the outside. The low-temperature generator and the evaporator also have low-temperature heat medium channels connected to the outside, forming a third type of compression-ejection-absorption heat pump.

[0008] 2. The third 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, a high-temperature condenser, a throttling valve, an ejector, and a compressor. The low-temperature generator has a concentrated solution pipeline connected to the high-temperature generator via the solution pump, the solution heat exchanger, and the second solution heat exchanger. The high-temperature generator also has a concentrated solution pipeline connected to the absorber via the second solution heat exchanger. The absorber also has a dilute solution pipeline connected to the low-temperature generator via the solution heat exchanger. The low-temperature generator also has a refrigerant vapor channel connected to the low-temperature condenser. The low-temperature condenser also has a refrigerant liquid pipeline connected to the evaporator via the low-pressure pump. The high-temperature generator… Furthermore, the refrigerant vapor passage connects to the high-temperature condenser via the compressor. The high-temperature condenser also has a refrigerant liquid line connected to the evaporator via a throttling valve. The high-temperature condenser also has a refrigerant liquid line connected to the outside. The outside has a working steam passage connected to the high-pressure steam inlet of the ejector. The evaporator also has a refrigerant vapor passage connected to the low-pressure steam inlet of the ejector. The ejector also has a medium-pressure refrigerant vapor passage connected to the absorber. The high-temperature generator also has a high-temperature heat medium passage connected to the outside. The absorber and the high-temperature condenser also have heating medium passages connected to the outside. The low-temperature condenser also has a cooling medium passage connected to the outside. The low-temperature generator and the evaporator also have low-temperature heat medium passages connected to the outside, forming a third type of compression-ejection-absorption heat pump.

[0009] 3. The third 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, a high-temperature condenser, a throttling valve, an ejector, and a compressor. The low-temperature generator has a concentrated solution pipeline connected to the high-temperature generator via the solution pump, the solution heat exchanger, and the second solution heat exchanger. The high-temperature generator also has a concentrated solution pipeline connected to the absorber via the second solution heat exchanger. The absorber also has a dilute solution pipeline connected to the low-temperature generator via the solution heat exchanger. The low-temperature generator also has a refrigerant vapor passage connected to the low-temperature condenser. The low-temperature condenser also has a refrigerant liquid pipeline connected to the evaporator via the low-pressure pump. The high-temperature generator also has a refrigerant vapor channel connected to the high-temperature condenser via the compressor. The high-temperature condenser also has a refrigerant liquid pipeline connected to the evaporator via a throttling valve. The high-temperature generator also has a refrigerant vapor channel connected to the high-pressure steam inlet of the ejector. The evaporator also has a refrigerant vapor channel connected to the low-pressure steam inlet of the ejector. The ejector also has a medium-pressure refrigerant vapor channel connected to the absorber. The high-temperature generator also has a high-temperature heat medium channel connected to the outside. The absorber and the high-temperature condenser also have heating medium channels connected to the outside. The low-temperature condenser also has a cooling medium channel connected to the outside. The low-temperature generator and the evaporator also have low-temperature heat medium channels connected to the outside, forming a third type of compression-ejection-absorption heat pump.

[0010] 4. The third type, 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, a high-temperature condenser, a throttling valve, a high-pressure pump, a steam generator, an ejector, a compressor, and a second solution pump. The absorber has a dilute solution pipeline connected to the high-temperature generator via the solution pump and the solution heat exchanger. The high-temperature generator also has a concentrated solution pipeline connected to the low-temperature generator via the solution heat exchanger and the second solution heat exchanger. The low-temperature generator also has a concentrated solution pipeline connected to the absorber via the second solution pump and the second solution heat exchanger. The low-temperature generator also has a refrigerant vapor channel connected to the low-temperature condenser. The low-temperature condenser also has a refrigerant liquid pipeline connected to the evaporator via the low-pressure pump. The high-temperature generator... The generator also has a refrigerant vapor channel connected to the high-temperature condenser via the compressor. The high-temperature condenser also has a refrigerant liquid line connected to the evaporator via a throttling valve. The high-temperature condenser also has a refrigerant liquid line connected to the steam generator via a high-pressure pump. The steam generator also has a refrigerant vapor channel connected to the high-pressure steam inlet of the ejector. The evaporator also has a refrigerant vapor channel connected to the low-pressure steam inlet of the ejector. The ejector also has a medium-pressure refrigerant vapor channel connected to the absorber. The high-temperature generator and the steam generator also have high-temperature heat medium channels connected to the outside. The absorber and the high-temperature condenser also have heated medium channels connected to the outside. The low-temperature condenser also has a cooling medium channel connected to the outside. The low-temperature generator and the evaporator also have low-temperature heat medium channels connected to the outside, forming a third type of compression-ejection-absorption heat pump.

[0011] 5. The third 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, a high-temperature condenser, a throttling valve, an ejector, a compressor, and a second solution pump. The absorber has a dilute solution pipeline connected to the high-temperature generator via the solution pump and the solution heat exchanger. The high-temperature generator also has a concentrated solution pipeline connected to the low-temperature generator via the solution heat exchanger and the second solution heat exchanger. The low-temperature generator also has a concentrated solution pipeline connected to the absorber via the second solution pump and the second solution heat exchanger. The low-temperature generator also has a refrigerant vapor channel connected to the low-temperature condenser. The low-temperature condenser also has a refrigerant liquid pipeline connected to the evaporator via the low-pressure pump. The high-temperature generator also has a refrigerant vapor channel connected to the high-temperature condenser via the compressor. The high-temperature condenser also has a refrigerant liquid line connected to the evaporator via a throttling valve. The high-temperature condenser also has a refrigerant liquid line connected to the outside. The outside has a working steam channel connected to the high-pressure steam inlet of the ejector. The evaporator also has a refrigerant vapor channel connected to the low-pressure steam inlet of the ejector. The ejector also has a medium-pressure refrigerant vapor channel connected to the absorber. The high-temperature generator also has a high-temperature heat medium channel connected to the outside. The absorber and the high-temperature condenser also have heating medium channels connected to the outside. The low-temperature condenser also has a cooling medium channel connected to the outside. The low-temperature generator and the evaporator also have low-temperature heat medium channels connected to the outside, forming a third type of compression-ejection-absorption heat pump.

[0012] 6. The third 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, a high-temperature condenser, a throttling valve, an ejector, a compressor, and a second solution pump. The absorber has a dilute solution pipeline connected to the high-temperature generator via the solution pump and the solution heat exchanger. The high-temperature generator also has a concentrated solution pipeline connected to the low-temperature generator via the solution heat exchanger and the second solution heat exchanger. The low-temperature generator also has a concentrated solution pipeline connected to the absorber via the second solution pump and the second solution heat exchanger. The low-temperature generator also has a refrigerant vapor channel connected to the low-temperature condenser. The low-temperature condenser also has a refrigerant liquid pipeline connected to the low-pressure pump. The pump is connected to the evaporator. The high-temperature generator also has a refrigerant vapor channel that connects to the high-temperature condenser via the compressor. The high-temperature condenser also has a refrigerant liquid line that connects to the evaporator via a throttling valve. The high-temperature generator also has a refrigerant vapor channel that connects to the high-pressure steam inlet of the ejector. The evaporator also has a refrigerant vapor channel that connects to the low-pressure steam inlet of the ejector. The ejector also has a medium-pressure refrigerant vapor channel that connects to the absorber. The high-temperature generator also has a high-temperature heat medium channel that connects to the outside. The absorber and the high-temperature condenser also have heating medium channels that connect to the outside. The low-temperature condenser also has a cooling medium channel that connects to the outside. The low-temperature generator and the evaporator also have low-temperature heat medium channels that connect to the outside, forming a third type of compression-ejection-absorption heat pump.

[0013] 7. The third 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, a high-temperature condenser, a throttling valve, a high-pressure pump, a steam generator, an ejector, a compressor, a second solution pump, and a second absorber. The absorber has a dilute solution pipeline connected to the second absorber via the solution heat exchanger. The second absorber also has a dilute solution pipeline connected to the high-temperature generator via the solution pump and the second solution heat exchanger. The high-temperature generator also has a concentrated solution pipeline connected to the low-temperature generator via the second solution heat exchanger. The low-temperature generator also has a concentrated solution pipeline connected to the absorber via the second solution pump and the solution heat exchanger. The low-temperature generator also has a refrigerant vapor channel connected to the second absorber. The high-temperature generator also... A refrigerant vapor channel connects to the compressor and high-temperature condenser. The high-temperature condenser also has a refrigerant liquid line connected to the evaporator via a throttling valve. The high-temperature condenser also has a refrigerant liquid line connected to the steam generator via a high-pressure pump. The steam generator also has a refrigerant vapor channel connected to the high-pressure steam inlet of the ejector. The evaporator also has a refrigerant vapor channel connected to the low-pressure steam inlet of the ejector. The ejector also has a medium-pressure refrigerant vapor channel connected to the absorber. The high-temperature generator and the steam generator also have high-temperature heat medium channels connected to the outside. The absorber and the high-temperature condenser also have heated medium channels connected to the outside. The low-temperature generator and the evaporator also have low-temperature heat medium channels connected to the outside. The second absorber also has a cooling medium channel connected to the outside, forming a third type of compression-ejection-absorption heat pump.

[0014] 8. The third 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, a high-temperature condenser, a throttling valve, an ejector, a compressor, a second solution pump, and a second absorber. The absorber has a dilute solution pipeline connected to the second absorber via the solution heat exchanger. The second absorber also has a dilute solution pipeline connected to the high-temperature generator via the solution pump and the second solution heat exchanger. The high-temperature generator also has a concentrated solution pipeline connected to the low-temperature generator via the second solution heat exchanger. The low-temperature generator also has a concentrated solution pipeline connected to the absorber via the second solution pump and the solution heat exchanger. The low-temperature generator also has a refrigerant vapor channel connected to the second absorber. The generator also has a refrigerant vapor channel connected to the compressor and the high-temperature condenser. The high-temperature condenser also has a refrigerant liquid line connected to the evaporator via a throttling valve. The high-temperature condenser also has a refrigerant liquid line connected to the outside. The outside has a working steam channel connected to the high-pressure steam inlet of the ejector. The evaporator also has a refrigerant vapor channel connected to the low-pressure steam inlet of the ejector. The ejector also has a medium-pressure refrigerant vapor channel connected to the absorber. The high-temperature generator also has a high-temperature heat medium channel connected to the outside. The absorber and the high-temperature condenser also have heating medium channels connected to the outside. The low-temperature generator and the evaporator also have low-temperature heat medium channels connected to the outside. The second absorber also has a cooling medium channel connected to the outside, forming a third type of compression-ejection-absorption heat pump.

[0015] 9. The third 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, a high-temperature condenser, a throttling valve, an ejector, a compressor, a second solution pump, and a second absorber. The absorber has a dilute solution pipeline connected to the second absorber via the solution heat exchanger. The second absorber also has a dilute solution pipeline connected to the high-temperature generator via the solution pump and the second solution heat exchanger. The high-temperature generator also has a concentrated solution pipeline connected to the low-temperature generator via the second solution heat exchanger. The low-temperature generator also has a concentrated solution pipeline connected to the absorber via the second solution pump and the solution heat exchanger. The low-temperature generator also has a refrigerant vapor channel connected to the second absorber. The absorber is connected to the high-temperature generator, which also has a refrigerant vapor channel connected to the high-temperature condenser via the compressor. The high-temperature condenser also has a refrigerant liquid line connected to the evaporator via a throttling valve. The high-temperature generator also has a refrigerant vapor channel connected to the high-pressure steam inlet of the ejector. The evaporator also has a refrigerant vapor channel connected to the low-pressure steam inlet of the ejector. The ejector also has a medium-pressure refrigerant vapor channel connected to the absorber. The high-temperature generator also has a high-temperature heat medium channel connected to the outside. The absorber and the high-temperature condenser also have heating medium channels connected to the outside. The low-temperature generator and the evaporator also have low-temperature heat medium channels connected to the outside. The second absorber also has a cooling medium channel connected to the outside, forming a third type of compression-ejection-absorption heat pump.

[0016] 10. A third type of compression-ejection-absorption heat pump is formed in any of the third type of compression-ejection-absorption heat pumps described in items 3, 6, and 9 by adjusting the high-temperature generator's refrigerant vapor channel to be connected to the high-temperature condenser via the compressor, and adjusting the high-temperature generator's refrigerant vapor channel to be connected to the high-temperature condenser via the compressor, thereby forming a third type of compression-ejection-absorption heat pump.

[0017] 11. A third type of compression-ejection-absorption heat pump is formed by adding a nozzle and replacing the throttle valve in any of the third type of compression-ejection-absorption heat pumps described in items 1-10. Attached image description:

[0018] Figure 1 This is a schematic diagram of the first structure and process of the third type of compression-ejection-absorption heat pump provided by the present invention.

[0019] Figure 2 This is a schematic diagram of the second structure and process of the third type of compression-ejection-absorption heat pump provided by the present invention.

[0020] Figure 3 This is a schematic diagram of the third type of compression-ejection-absorption heat pump structure and process provided by the present invention.

[0021] Figure 4 This is a schematic diagram of the fourth structure and process of the third type of compression-ejection-absorption heat pump provided by the present invention.

[0022] Figure 5 This is a schematic diagram of the fifth structure and process of the third type of compression-ejection-absorption heat pump provided by the present invention.

[0023] Figure 6 This is a schematic diagram of the sixth structure and process of the third type of compression-ejection-absorption heat pump provided by the present invention.

[0024] Figure 7 This is a schematic diagram of the seventh structure and process of the third type of compression-ejection-absorption heat pump provided by the present invention.

[0025] Figure 8 This is a schematic diagram of the eighth structure and process of the third type of compression-ejection-absorption heat pump provided by the present invention.

[0026] Figure 9 This is a schematic diagram of the ninth structure and process of the third type of compression-ejection-absorption heat pump provided by the present invention.

[0027] Figure 10 This is a schematic diagram of the tenth structure and process of the third type of compression-ejection-absorption heat pump provided by the present invention.

[0028] Figure 11 This is a schematic diagram of the 11th structure and process of the third type of compression-ejection-absorption heat pump provided by the present invention.

[0029] 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-high temperature condenser, 11-throttle valve, 12-high pressure pump, 13-steam generator, 14-ejector, 15-compressor, 16-second solution pump, 17-second absorber, A-nozzle. Detailed implementation method:

[0030] 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.

[0031] Figure 1 The third type of compression-ejection-absorption heat pump shown is implemented as follows:

[0032] (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, a high-temperature condenser, a throttle valve, a high-pressure pump, a steam generator, an ejector, 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 evaporator 9 via the low-pressure pump 8. Compressor 15 is connected to high-temperature condenser 10. High-temperature condenser 10 also has a refrigerant liquid pipeline connected to evaporator 9 via throttle valve 11. High-temperature condenser 10 also has a refrigerant liquid pipeline connected to steam generator 13 via high-pressure pump 12. Steam generator 13 also has a refrigerant vapor channel connected to high-pressure steam inlet of ejector 14. Evaporator 9 also has a refrigerant vapor channel connected to low-pressure steam inlet of ejector 14. Ejector 14 also has a medium-pressure refrigerant vapor channel connected to absorber 6. High-temperature generator 5 and steam generator 13 also have high-temperature heat medium channels connected to the outside. Absorber 6 and high-temperature condenser 10 also have heated medium channels connected to the outside. Low-temperature condenser 7 also has a cooling medium channel connected to the outside. Low-temperature generator 1 and evaporator 9 also have low-temperature heat medium channels connected to the outside.

[0033] (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, heats the solution inside, releases refrigerant vapor, and is then supplied to the high-temperature condenser 10 after being pressurized and heated by the compressor 15. The concentrated solution from the high-temperature generator 5 enters the absorber 6 via the second solution heat exchanger 4, absorbs refrigerant vapor, and releases heat to the heated medium. The dilute solution from the absorber 6 enters the low-temperature generator 1 via the solution heat exchanger 3. The low-temperature heat medium flows through the low-temperature generator 1, heats the solution inside, releases refrigerant vapor, and is supplied to the low-temperature condenser 7. The refrigerant vapor in the low-temperature condenser 7 releases heat to the cooling medium to form refrigerant liquid. The refrigerant liquid in the low-temperature condenser 7 is pressurized by the low-pressure pump 8 and enters the evaporator 9 to absorb heat and vaporize. The refrigerant vapor in the high-temperature condenser 10 releases heat to the heated medium to form refrigerant liquid. The first path of refrigerant liquid discharged from the high-temperature condenser 10 flows through the throttle valve 11 to reduce pressure. The refrigerant liquid, cooled and vaporized in the evaporator 9, flows through the high-pressure pump 12 to increase its pressure and then enters the steam generator 13 to absorb heat, increase its temperature, and vaporize. The refrigerant steam discharged from the steam generator 13 is provided to the ejector 14 as working steam. The working steam enters the ejector 14, flows through the nozzle to decrease its pressure and increase its speed to form a low pressure. The refrigerant steam generated by the evaporator 9 is drawn into the low-pressure zone of the ejector 14. After the two steam streams are mixed, they flow through the diffuser to decrease their speed and increase their pressure to form medium-pressure steam and are supplied to the absorber 6. The high-temperature heat medium provides high-temperature driving heat load through the high-temperature generator 5 and the steam generator 13, and external driving mechanical energy is provided by the compressor 15. The heated medium obtains medium-temperature heating load through the absorber 6 and the high-temperature condenser 10. The low-temperature heat medium provides low-temperature heat load through the low-temperature generator 1 and the evaporator 9. The cooling medium carries away the low-temperature discharge heat load through the low-temperature condenser 7, forming a third type of compression-ejection-absorption heat pump.

[0034] Figure 2 The third type of compression-ejection-absorption heat pump shown is implemented as follows:

[0035] (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, a high-temperature condenser, a throttle valve, an ejector, 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... There is also a refrigerant vapor passage connected to the high-temperature condenser 10 via the compressor 15. The high-temperature condenser 10 also has a refrigerant liquid pipeline connected to the evaporator 9 via the throttle valve 11. The high-temperature condenser 10 also has a refrigerant liquid pipeline connected to the outside. The outside has a working steam passage connected to the high-pressure steam inlet of the ejector 14. The evaporator 9 also has a refrigerant vapor passage connected to the low-pressure steam inlet of the ejector 14. The ejector 14 also has a medium-pressure refrigerant vapor passage connected to the absorber 6. 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 10 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 low-temperature generator 1 and the evaporator 9 also have low-temperature heat medium passages connected to the outside.

[0036] (2) In terms of process, with Figure 1 Compared to the third type of compression-ejection-absorption heat pump shown, the difference is that the refrigerant liquid discharged from the high-temperature condenser 10 is divided into two paths: the first path enters the evaporator 9 through the throttling valve 11 to absorb heat and vaporize, and the second path is discharged to the outside, providing working steam to the ejector 14, thus forming the third type of compression-ejection-absorption heat pump.

[0037] Figure 3 The third type of compression-ejection-absorption heat pump shown is implemented as follows:

[0038] (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, a high-temperature condenser, a throttle valve, an ejector, 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; and 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 passage connected to the high-temperature condenser 10 via the compressor 15. The high-temperature condenser 10 also has a refrigerant liquid pipeline connected to the evaporator 9 via the throttle valve 11. The high-temperature generator 5 also has a refrigerant vapor passage connected to the high-pressure steam inlet of the ejector 14. The evaporator 9 also has a refrigerant vapor passage connected to the low-pressure steam inlet of the ejector 14. The ejector 14 also has a medium-pressure refrigerant vapor passage connected to the absorber 6. 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 10 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 low-temperature generator 1 and the evaporator 9 also have low-temperature heat medium passages connected to the outside.

[0039] (2) In terms of process, with Figure 1 Compared to the third type of compression-ejection-absorption heat pump shown, the difference is that: the refrigerant liquid in the high-temperature condenser 10 enters the evaporator 9 through the throttling valve 11 to absorb heat and vaporize, and the refrigerant vapor released by the high-temperature generator 5 is divided into two paths - the first path enters the compressor 15 to increase pressure and temperature, and the second path is provided to the ejector 14 as working steam, thus forming the third type of compression-ejection-absorption heat pump.

[0040] Figure 4 The third type of compression-ejection-absorption heat pump shown is implemented as follows:

[0041] (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, a high-temperature condenser, a throttle valve, a high-pressure pump, a steam generator, an ejector, 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... The refrigerant vapor passage is connected to the high-temperature condenser 10 via the compressor 15. The high-temperature condenser 10 also has a refrigerant liquid line connected to the evaporator 9 via the throttle valve 11. The high-temperature condenser 10 also has a refrigerant liquid line connected to the steam generator 13 via the high-pressure pump 12. The steam generator 13 also has a refrigerant vapor passage connected to the high-pressure steam inlet of the ejector 14. The evaporator 9 also has a refrigerant vapor passage connected to the low-pressure steam inlet of the ejector 14. The ejector 14 also has a medium-pressure refrigerant vapor passage connected to the absorber 6. The high-temperature generator 5 and the steam generator 13 also have high-temperature heat medium passages connected to the outside. The absorber 6 and the high-temperature condenser 10 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 low-temperature generator 1 and the evaporator 9 also have low-temperature heat medium passages connected to the outside.

[0042] (2) In terms of process, the dilute solution from 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 is then supplied to high-temperature condenser 10 after being pressurized and heated by compressor 15. The concentrated solution from high-temperature generator 5 enters low-temperature generator 1 via solution heat exchanger 3 and second solution heat exchanger 4. The low-temperature heat medium flows through low-temperature generator 1, heats the solution inside, releases refrigerant vapor, and is supplied to low-temperature condenser 7. The concentrated solution from low-temperature generator 1 enters absorber 6 via second solution pump 16 and second solution heat exchanger 4, absorbs refrigerant vapor, and releases heat to the heated medium. The refrigerant vapor from low-temperature condenser 7 releases heat to the cooling medium to form refrigerant liquid. The refrigerant liquid from low-temperature condenser 7 is pressurized by low-pressure pump 8 and enters evaporator 9 to absorb heat and vaporize. The refrigerant vapor from high-temperature condenser 10 releases heat to the heated medium to form refrigerant liquid. The first path of refrigerant liquid discharged from high-temperature condenser 10 flows through a throttling device. Valve 11 reduces pressure and temperature, then enters evaporator 9 to absorb heat and vaporize. The second stream of refrigerant liquid discharged from high-temperature condenser 10 flows through high-pressure pump 12 to increase pressure and enters steam generator 13 to absorb heat, increase temperature, and vaporize. The refrigerant steam discharged from steam generator 13 is provided to ejector 14 as working steam. The working steam enters ejector 14, flows through nozzles to reduce pressure and increase speed, and forms low pressure. The refrigerant steam generated by evaporator 9 is drawn into the low-pressure zone of ejector 14. After the two streams of steam are mixed, they flow through diffuser to reduce speed and increase pressure to form medium-pressure steam and are supplied to absorber 6. High-temperature heat medium provides high-temperature driving heat load through high-temperature generator 5 and steam generator 13, and external driving mechanical energy is provided by compressor 15. The heated medium obtains medium-temperature heating load through absorber 6 and high-temperature condenser 10. Low-temperature heat medium provides low-temperature heat load through low-temperature generator 1 and evaporator 9. The cooling medium carries away low-temperature discharge heat load through low-temperature condenser 7, forming a third type of compression-ejection-absorption heat pump.

[0043] Figure 5 The third type of compression-ejection-absorption heat pump shown is implemented as follows:

[0044] (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, a high-temperature condenser, a throttle valve, an ejector, 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; and 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 high-temperature condenser 10 via the compressor 15. The high-temperature condenser 10 also has a refrigerant liquid line connected to the evaporator 9 via the throttle valve 11. The high-temperature condenser 10 also has a refrigerant liquid line connected to the outside. The outside has a working steam channel connected to the high-pressure steam inlet of the ejector 14. The evaporator 9 also has a refrigerant vapor channel connected to the low-pressure steam inlet of the ejector 14. The ejector 14 also has a medium-pressure refrigerant vapor channel connected to the absorber 6. 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 10 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 low-temperature generator 1 and the evaporator 9 also have low-temperature heat medium channels connected to the outside.

[0045] (2) In terms of process, with Figure 4 Compared to the third type of compression-ejection-absorption heat pump shown, the difference is that the refrigerant liquid discharged from the high-temperature condenser 10 is divided into two paths: the first path enters the evaporator 9 through the throttling valve 11 to absorb heat and vaporize, and the second path is discharged to the outside, providing working steam to the ejector 14, thus forming the third type of compression-ejection-absorption heat pump.

[0046] Figure 6 The third type of compression-ejection-absorption heat pump shown is implemented as follows:

[0047] (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, a high-temperature condenser, a throttle valve, an ejector, 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 low-pressure pump 8 is connected to evaporator 9. High-temperature generator 5 also has a refrigerant vapor channel connected to high-temperature condenser 10 via compressor 15. High-temperature condenser 10 also has a refrigerant liquid pipeline connected to evaporator 9 via throttle valve 11. High-temperature generator 5 also has a refrigerant vapor channel connected to high-pressure steam inlet of ejector 14. Evaporator 9 also has a refrigerant vapor channel connected to low-pressure steam inlet of ejector 14. Ejector 14 also has a medium-pressure refrigerant vapor channel connected to absorber 6. High-temperature generator 5 also has a high-temperature heat medium channel connected to the outside. Absorber 6 and high-temperature condenser 10 also have heated medium channels connected to the outside. Low-temperature condenser 7 also has a cooling medium channel connected to the outside. Low-temperature generator 1 and evaporator 9 also have low-temperature heat medium channels connected to the outside.

[0048] (2) In terms of process, with Figure 4 Compared to the third type of compression-ejection-absorption heat pump shown, the difference is that: the refrigerant liquid in the high-temperature condenser 10 enters the evaporator 9 through the throttling valve 11 to absorb heat and vaporize, and the refrigerant vapor released by the high-temperature generator 5 is divided into two paths - the first path enters the compressor 15 to increase pressure and temperature, and the second path is provided to the ejector 14 as working steam, thus forming the third type of compression-ejection-absorption heat pump.

[0049] Figure 7 The third type of compression-ejection-absorption heat pump shown is implemented as follows:

[0050] (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, a high-temperature condenser, a throttle valve, a high-pressure pump, a steam generator, an ejector, 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. The steam passage is connected to the high-temperature condenser 10 via the compressor 15. The high-temperature condenser 10 also has a refrigerant liquid line connected to the evaporator 9 via the throttle valve 11. The high-temperature condenser 10 also has a refrigerant liquid line connected to the steam generator 13 via the high-pressure pump 12. The steam generator 13 also has a refrigerant steam passage connected to the high-pressure steam inlet of the ejector 14. The evaporator 9 also has a refrigerant steam passage connected to the low-pressure steam inlet of the ejector 14. The ejector 14 also has a medium-pressure refrigerant steam passage connected to the absorber 6. The high-temperature generator 5 and the steam generator 13 also have high-temperature heat medium passages connected to the outside. The absorber 6 and the high-temperature condenser 10 also have heated medium passages connected to the outside. The low-temperature generator 1 and the evaporator 9 also have low-temperature heat medium passages connected to the outside. The second absorber 17 also has a cooling medium passage connected to the outside.

[0051] (2) In terms of process, the dilute solution of absorber 6 enters the second absorber 17 through solution heat exchanger 3, absorbs refrigerant vapor and releases heat to the cooling medium. The dilute solution of the second absorber 17 enters the high-temperature generator 5 through solution pump 2 and 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 is then supplied to the high-temperature condenser 10 after being pressurized and heated by compressor 15. The concentrated solution of the high-temperature generator 5 enters the low-temperature generator 1 through the second solution heat exchanger 4. The low-temperature heat medium flows through the low-temperature generator 1, heats the solution inside, releases refrigerant vapor and supplies it to the second absorber 17. The concentrated solution of the low-temperature generator 1 enters the absorber 6 through the second solution pump 16 and solution heat exchanger 3, absorbs refrigerant vapor and releases heat to the heated medium. The refrigerant vapor of the high-temperature condenser 10 releases heat to the heated medium to form refrigerant liquid. The first path of refrigerant liquid discharged from the high-temperature condenser 10 flows through the throttle valve 11 to reduce pressure and temperature. The refrigerant liquid entering the evaporator 9 absorbs heat and vaporizes. The second refrigerant liquid discharged from the high-temperature condenser 10 flows through the high-pressure pump 12 to increase its pressure and then enters the steam generator 13 to absorb heat, increase its temperature, and vaporize. The refrigerant steam discharged from the steam generator 13 is provided to the ejector 14 as working steam. The working steam enters the ejector 14, flows through the nozzle to decrease its pressure and increase its speed, and forms a low pressure. The refrigerant steam generated by the evaporator 9 is drawn into the low-pressure zone of the ejector 14. After the two steams are mixed, they flow through the diffuser to decrease their speed and increase their pressure to form medium-pressure steam and are supplied to the absorber 6. The high-temperature heat medium provides high-temperature driving heat load through the high-temperature generator 5 and the steam generator 13, 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 10. The low-temperature heat medium provides low-temperature heat load through the low-temperature generator 1 and the evaporator 9. The cooling medium carries away the low-temperature discharged heat load through the second absorber 17, forming a third type of compression-ejection-absorption heat pump.

[0052] Figure 8 The third type of compression-ejection-absorption heat pump shown is implemented as follows:

[0053] (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, a high-temperature condenser, a throttle valve, an ejector, 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 passage connected to high-temperature condenser 10 via compressor 15. High-temperature condenser 10 also has a refrigerant liquid line connected to evaporator 9 via throttle valve 11. High-temperature condenser 10 also has a refrigerant liquid line connected to the outside. The outside has a working steam passage connected to the high-pressure steam inlet of ejector 14. Evaporator 9 also has a refrigerant vapor passage connected to the low-pressure steam inlet of ejector 14. Ejector 14 also has a medium-pressure refrigerant vapor passage connected to absorber 6. High-temperature generator 5 also has a high-temperature heat medium passage connected to the outside. Absorber 6 and high-temperature condenser 10 also have heated medium passages connected to the outside. Low-temperature generator 1 and evaporator 9 also have low-temperature heat medium passages connected to the outside. Second absorber 17 also has a cooling medium passage connected to the outside.

[0054] (2) In terms of process, with Figure 7 Compared to the third type of compression-ejection-absorption heat pump shown, the difference is that the refrigerant liquid discharged from the high-temperature condenser 10 is divided into two paths: the first path enters the absorber 9 through the throttling valve 11 to absorb heat and vaporize, and the second path is discharged to the outside, providing working steam to the ejector 14, thus forming the third type of compression-ejection-absorption heat pump.

[0055] Figure 9 The third type of compression-ejection-absorption heat pump shown is implemented as follows:

[0056] (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, a high-temperature condenser, a throttle valve, an ejector, 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, and the low-temperature generator 1 also has a refrigerant vapor channel connected to the second absorber. The high-temperature generator 5 is connected to the compressor 15 and the high-temperature condenser 10. The high-temperature condenser 10 is connected to the evaporator 9 via the throttle valve 11. The high-temperature generator 5 is also connected to the high-pressure steam inlet of the ejector 14 via the refrigerant vapor channel. The evaporator 9 is also connected to the low-pressure steam inlet of the ejector 14 via the refrigerant vapor channel. The ejector 14 is also connected to the absorber 6 via the medium-pressure refrigerant vapor channel. The high-temperature generator 5 is also connected to the outside via the high-temperature heat medium channel. The absorber 6 and the high-temperature condenser 10 are also connected to the outside via the heated medium channel. The low-temperature generator 1 and the evaporator 9 are also connected to the outside via the low-temperature heat medium channel. The second absorber 17 is also connected to the outside via the cooling medium channel.

[0057] (2) In terms of process, with Figure 7 Compared to the third type of compression-ejection-absorption heat pump shown, the difference is that: the refrigerant liquid in the high-temperature condenser 10 enters the evaporator 9 through the throttling valve 11 to absorb heat and vaporize, and the refrigerant vapor released by the high-temperature generator 5 is divided into two paths - the first path enters the compressor 15 to increase pressure and temperature, and the second path is provided to the ejector 14 as working steam, thus forming the third type of compression-ejection-absorption heat pump.

[0058] Figure 10 The third type of compression-ejection-absorption heat pump shown is implemented as follows:

[0059] (1) Structurally, in Figure 9 In the third type of compression-ejection-absorption heat pump shown, the refrigerant vapor passage of the high-temperature generator 5 is connected to the high-temperature condenser 10 via the compressor 15, and the refrigerant vapor passage of the high-temperature generator 5 is connected to the high-temperature condenser 10. The high-temperature generator 5 is connected to the high-pressure steam inlet of the ejector 14 via the refrigerant vapor passage of the high-temperature generator 5 via the compressor 15, and then connected to the high-pressure steam inlet of the ejector 14.

[0060] (2) In terms of process, with Figure 9Compared to the third type of compression-ejection-absorption heat pump shown, the difference is that the refrigerant vapor emitted by the high-temperature generator 5 is divided into two paths: the first path enters the high-temperature condenser 10 to release heat and condense, and the second path flows through the compressor 15 to increase pressure and temperature and then provides it to the ejector 14 as working vapor, thus forming the third type of compression-ejection-absorption heat pump.

[0061] Figure 11 The third type of compression-ejection-absorption heat pump shown is implemented as follows:

[0062] exist Figure 7 In the third type of compression-ejection-absorption heat pump shown, a nozzle A is added and replaces the throttle valve 11; the refrigerant liquid discharged from the high-temperature condenser 10 is divided into two paths - the first path 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 is pressurized by the high-pressure pump 12 and then enters the steam generator 13 to absorb heat, increase temperature and vaporize, thus forming the third type of compression-ejection-absorption heat pump.

[0063] The effects achievable by this invention—the third type of compression-ejection-absorption heat pump proposed in this invention has the following effects and advantages:

[0064] (1) A new technology for combined thermal and mechanical energy-driven heating was proposed, which enriched the heat pump heating technology.

[0065] (2) Effectively improve the working parameters of refrigerant vapor, significantly expand the range of heat pump working parameters, and facilitate heating over a larger temperature span.

[0066] (3) The process is reasonable and the performance index is reasonable.

[0067] (4) Simple structure, reducing manufacturing costs.

[0068] (5) It is conducive to the full utilization of high-grade thermal energy and reduces the irreversible loss of systemic temperature difference.

[0069] (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.

[0070] (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.

[0071] (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 third 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, a high-temperature condenser, a throttle valve, a high-pressure pump, a steam generator, an ejector, 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 compressor (15). The high-temperature condenser (10) is connected, and the high-temperature condenser (10) also has a refrigerant liquid pipeline connected to the evaporator (9) via a throttle valve (11). The high-temperature condenser (10) also has a refrigerant liquid pipeline connected to the steam generator (13) via a high-pressure pump (12). The steam generator (13) also has a refrigerant vapor channel connected to the high-pressure steam inlet of the ejector (14). The evaporator (9) also has a refrigerant vapor channel connected to the low-pressure steam inlet of the ejector (14). The ejector (14) also has a medium-pressure refrigerant vapor channel connected to the absorber (6). The high-temperature generator (5) and the steam generator (13) also have high-temperature heat medium channels connected to the outside. The absorber (6) and the high-temperature condenser (10) 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 low-temperature generator (1) and the evaporator (9) also have low-temperature heat medium channels connected to the outside, forming a third type of compression-ejection-absorption heat pump.

2. The third 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, a high-temperature condenser, a throttle valve, an ejector, 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 evaporator (9). The steam channel is connected to the high-temperature condenser (10) via the compressor (15). The high-temperature condenser (10) also has a refrigerant liquid pipeline connected to the evaporator (9) via the throttle valve (11). The high-temperature condenser (10) also has a refrigerant liquid pipeline connected to the outside. The outside has a working steam channel connected to the high-pressure steam inlet of the ejector (14). The evaporator (9) also has a refrigerant steam channel connected to the low-pressure steam inlet of the ejector (14). The ejector (14) also has a medium-pressure refrigerant steam channel connected to the absorber (6). 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 (10) 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 low-temperature generator (1) and the evaporator (9) also have low-temperature heat medium channels connected to the outside, forming a third type of compression-ejection-absorption heat pump.

3. The third 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, a high-temperature condenser, a throttle valve, an ejector, 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) There is also a refrigerant vapor channel connected to the high-temperature condenser (10) via the compressor (15), and the high-temperature condenser (10) is also connected to the evaporator (9) via the refrigerant liquid pipeline via the throttle valve (11). The high-temperature generator (5) is also connected to the high-pressure steam inlet of the ejector (14) via the refrigerant vapor channel. The evaporator (9) is also connected to the low-pressure steam inlet of the ejector (14) via the refrigerant vapor channel. The ejector (14) is also connected to the absorber (6) via the medium-pressure refrigerant vapor channel. The high-temperature generator (5) is also connected to the outside via the high-temperature heat medium channel. The absorber (6) and the high-temperature condenser (10) are also connected to the outside via the heated medium channel. The low-temperature condenser (7) is also connected to the outside via the cooling medium channel. The low-temperature generator (1) and the evaporator (9) are also connected to the outside via the low-temperature heat medium channel. This forms a third type of compression-ejection-absorption heat pump.

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

5. The third 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, a high-temperature condenser, a throttle valve, an ejector, 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... The heat pump (5) also has a refrigerant vapor channel connected to the high-temperature condenser (10) via the compressor (15), the high-temperature condenser (10) also has a refrigerant liquid pipeline connected to the evaporator (9) via the throttle valve (11), the high-temperature condenser (10) also has a refrigerant liquid pipeline connected to the outside, the outside has a working steam channel connected to the high-pressure steam inlet of the ejector (14), the evaporator (9) also has a refrigerant vapor channel connected to the low-pressure steam inlet of the ejector (14), the ejector (14) also has a medium-pressure refrigerant vapor channel connected to the absorber (6), 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 (10) 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 low-temperature generator (1) and the evaporator (9) also have low-temperature heat medium channels connected to the outside, forming a third type of compression-ejection-absorption heat pump.

6. The third 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, a high-temperature condenser, a throttle valve, an ejector, 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) is connected to the high-temperature condenser (10) via the compressor (15), the high-temperature condenser (10) is connected to the evaporator (9) via the throttle valve (11), the high-temperature generator (5) is connected to the high-pressure steam inlet of the ejector (14) via the refrigerant vapor channel, the evaporator (9) is connected to the low-pressure steam inlet of the ejector (14) via the refrigerant vapor channel, the ejector (14) is connected to the absorber (6) via the medium-pressure refrigerant vapor channel, the high-temperature generator (5) is connected to the outside via the high-temperature heat medium channel, the absorber (6) and the high-temperature condenser (10) are connected to the outside via the heated medium channel, the low-temperature condenser (7) is connected to the outside via the cooling medium channel, and the low-temperature generator (1) and the evaporator (9) are connected to the outside via the low-temperature heat medium channel, forming a third type of compression-ejection-absorption heat pump.

7. The third 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, a high-temperature condenser, a throttle valve, a high-pressure pump, a steam generator, an ejector, 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 compressor. (15) is connected to the high-temperature condenser (10). The high-temperature condenser (10) also has a refrigerant liquid pipeline connected to the evaporator (9) via a throttle valve (11). The high-temperature condenser (10) also has a refrigerant liquid pipeline connected to the steam generator (13) via a high-pressure pump (12). The steam generator (13) also has a refrigerant vapor channel connected to the high-pressure steam inlet of the ejector (14). The evaporator (9) also has a refrigerant vapor channel connected to the low-pressure steam inlet of the ejector (14). The ejector (14) also has a medium-pressure refrigerant vapor channel connected to the absorber (6). The high-temperature generator (5) and the steam generator (13) also have high-temperature heat medium channels connected to the outside. The absorber (6) and the high-temperature condenser (10) also have heated medium channels connected to the outside. The low-temperature generator (1) and the evaporator (9) also have low-temperature heat medium channels connected to the outside. The second absorber (17) also has a cooling medium channel connected to the outside, forming a third type of compression-ejection-absorption heat pump.

8. The third 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, a high-temperature condenser, a throttle valve, an ejector, 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) There is also a refrigerant vapor channel connected to the high-temperature condenser (10) via the compressor (15), and the high-temperature condenser (10) is also connected to the evaporator (9) via the throttle valve (11). The high-temperature condenser (10) is also connected to the outside via the refrigerant vapor channel. The outside has a working steam channel connected to the high-pressure steam inlet of the ejector (14). The evaporator (9) also has a refrigerant vapor channel connected to the low-pressure steam inlet of the ejector (14). The ejector (14) also has a medium-pressure refrigerant vapor channel connected to the absorber (6). 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 (10) also have heated medium channels connected to the outside. The low-temperature generator (1) and the evaporator (9) also have low-temperature heat medium channels connected to the outside. The second absorber (17) also has a cooling medium channel connected to the outside, forming a third type of compression-ejection-absorption heat pump.

9. The third 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, a high-temperature condenser, a throttle valve, an ejector, 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), and 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 high-temperature condenser (10) via the compressor (15). The high-temperature condenser (10) also has a refrigerant liquid pipeline connected to the evaporator (9) via the throttle valve (11). The high-temperature generator (5) also has a refrigerant vapor channel connected to the high-pressure steam inlet of the ejector (14). The evaporator (9) also has a refrigerant vapor channel connected to the low-pressure steam inlet of the ejector (14). The ejector (14) also has a medium-pressure refrigerant vapor channel connected to the absorber (6). 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 (10) also have heated medium channels connected to the outside. The low-temperature generator (1) and the evaporator (9) also have low-temperature heat medium channels connected to the outside. The second absorber (17) also has a cooling medium channel connected to the outside, forming a third type of compression-ejection-absorption heat pump.

10. A third type of compression-ejection-absorption heat pump is a third type of compression-ejection-absorption heat pump in any of the third type of compression-ejection-absorption heat pumps described in claims 3, 6, and 9, wherein the high-temperature generator (5) is connected to the high-temperature condenser (10) via the compressor (15) through a refrigerant vapor channel, and the high-temperature generator (5) is connected to the high-pressure steam inlet of the ejector (14) via the compressor (15), thereby forming a third type of compression-ejection-absorption heat pump.

11. A third type of compression-ejection-absorption heat pump is formed by adding a nozzle (A) and replacing the throttle valve (11) in any of the third type of compression-ejection-absorption heat pumps described in claims 1-10.