CN112944715A - Absorption heat pump - Google Patents
Absorption heat pump Download PDFInfo
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- CN112944715A CN112944715A CN202110242661.5A CN202110242661A CN112944715A CN 112944715 A CN112944715 A CN 112944715A CN 202110242661 A CN202110242661 A CN 202110242661A CN 112944715 A CN112944715 A CN 112944715A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B15/00—Sorption machines, plants or systems, operating continuously, e.g. absorption type
- F25B15/02—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
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- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Sorption Type Refrigeration Machines (AREA)
Abstract
The invention provides an absorption heat pump, and belongs to the technical field of absorption heat pumps. The absorber is communicated with the generator through the solution pump and the solution heat exchanger, the generator is communicated with the second generator through the solution heat exchanger and the second solution heat exchanger, the second generator is communicated with the third generator, the third generator is communicated with the absorber through the second solution pump and the second solution heat exchanger, the generator is provided with a refrigerant steam channel communicated with the condenser, the condenser is provided with a refrigerant liquid pipeline communicated with the evaporator through the third generator and the spray pipe, the second generator and the third generator are provided with a refrigerant steam channel communicated with the second condenser, the second condenser is communicated with the evaporator through a refrigerant liquid pump, the evaporator is communicated with the absorber through a diffuser pipe, the generator is provided with a high-temperature heat medium pipeline communicated with the outside, the absorber and the condenser are provided with a heated medium pipeline communicated with the outside, the second generator and the evaporator are provided with a low-temperature heat medium pipeline communicated with the outside, and the second condenser is provided with a cooling medium pipeline communicated with.
Description
The technical field is as follows:
the invention belongs to the technical field of absorption heat pumps.
Background art:
the requirements of cold, heat, power and the like are common in human life and production; in reality, people often need to use high-temperature heat energy to realize refrigeration, heat supply or power conversion, and also need to use power to refrigerate or use power and combine low-temperature heat energy to supply heat, or use heat energy and mechanical energy to refrigerate. In achieving the above objects, various considerations or conditional limitations are faced, including the type, grade and quantity of energy sources, the type, grade and quantity of user demands, ambient temperature, the type of working medium, the flow, structure and manufacturing cost of the equipment, and so on.
A heat energy (temperature difference) utilization technology represented by an absorption heat pump technology utilizes a high-temperature heat load to realize heat supply or refrigeration, and a single machine has larger load generally; the condensate depressurization process not only relates to the recovery of the pressure difference energy of the condensate, but also is related to the acquisition of the low-temperature heat load, and influences the requirement on the latent heat of the refrigerant liquid to a certain extent, so that the problem of the recovery of the condensed hydraulic pressure difference energy is more and more an important factor which is worthy of attention in the technical field of absorption heat pumps. According to the invention, by adopting a technical measure of combining the spray pipe and the diffuser pipe, the high-efficiency recovery of the condensed hydraulic pressure difference energy is realized, and the effect of multiple purposes, namely simple technology and high recovery efficiency, is achieved, the low-temperature heat load acquisition amount is increased, the latent heat influence of a refrigerant medium is reduced, and the system performance index is improved.
The invention content is as follows:
the invention mainly aims to provide an absorption heat pump for realizing effective utilization of refrigerant hydraulic pressure difference by combining a spray pipe and a diffuser pipe, and the specific invention contents are set forth in different terms as follows
1. The absorption heat pump mainly comprises a generator, a second generator, a third generator, an absorber, a condenser, a second condenser, an evaporator, a spray pipe, a diffuser pipe, a refrigerant liquid pump, a solution pump, a second solution pump, a solution heat exchanger and a second solution heat exchanger; the absorber is provided with a dilute solution pipeline communicated with the generator through a solution pump and a solution heat exchanger, the generator is also provided with a concentrated solution pipeline communicated with the second generator through the solution heat exchanger and a second solution heat exchanger, the second generator is also provided with a concentrated solution pipeline communicated with a third generator, the third generator is also provided with a concentrated solution pipeline communicated with the absorber through the second solution pump and the second solution heat exchanger, the generator is also provided with a refrigerant steam channel communicated with a condenser, the condenser is also provided with a refrigerant liquid pipeline communicated with the third generator, then the third generator is further provided with a refrigerant liquid pipeline communicated with an evaporator through a spray pipe, the second generator and the third generator are also respectively provided with a refrigerant steam channel communicated with the second condenser, the second condenser is further provided with a refrigerant liquid pipeline communicated with the evaporator through a liquid pump, the evaporator is further provided with a refrigerant steam channel communicated with an evaporator through a diffuser pipe, and the generator is further provided with a high-temperature heat medium pipeline communicated with the outside, the absorber and the condenser are also respectively communicated with the outside through a heated medium pipeline, the second generator and the evaporator are also respectively communicated with the outside through a low-temperature heat medium pipeline, and the second condenser and a cooling medium pipeline are also communicated with the outside to form the absorption heat pump.
2. The absorption heat pump mainly comprises a generator, a second generator, a third generator, an absorber, a condenser, an evaporator, a spray pipe, a diffuser pipe, a solution pump, a second solution pump, a solution heat exchanger, a second solution heat exchanger and a second absorber; the absorber is provided with a dilute solution pipeline communicated with a second absorber through a solution heat exchanger, the second absorber is also provided with a dilute solution pipeline communicated with a generator through a solution pump and a second solution heat exchanger, the generator is also provided with a concentrated solution pipeline communicated with a second generator through the second solution heat exchanger, the second generator is also provided with a concentrated solution pipeline communicated with a third generator, the third generator is also provided with a concentrated solution pipeline communicated with the absorber through the second solution pump and the solution heat exchanger, the generator is also provided with a refrigerant steam channel communicated with a condenser, the third generator is also provided with a refrigerant liquid pipeline communicated with the third generator, the third generator is further provided with a refrigerant liquid pipeline communicated with an evaporator through a spray pipe, the second generator and the third generator are also respectively provided with a refrigerant steam channel communicated with the second absorber, the evaporator is also provided with a refrigerant steam channel communicated with the absorber through a diffuser pipe, and the generator is also provided with a high-temperature heat medium pipeline communicated with the outside, the absorber and the condenser are also respectively communicated with the outside through a heated medium pipeline, the second generator and the evaporator are also respectively communicated with the outside through a low-temperature heat medium pipeline, and the second absorber and the cooling medium pipeline are also communicated with the outside to form the absorption heat pump.
3. The absorption heat pump mainly comprises a generator, a second generator, a third generator, an absorber, a condenser, a second condenser, an evaporator, a spray pipe, a diffuser pipe, a refrigerant liquid pump, a solution heat exchanger and a second solution heat exchanger; the third generator is provided with a concentrated solution pipeline communicated with the generator through a solution pump, a solution heat exchanger and a second solution heat exchanger, the generator is also provided with a concentrated solution pipeline communicated with the absorber through the second solution heat exchanger, the absorber is also provided with a dilute solution pipeline communicated with the second generator through the solution heat exchanger, the second generator is also provided with a concentrated solution pipeline communicated with the third generator, the second generator and the third generator are also respectively provided with a refrigerant steam channel communicated with a second condenser, the second condenser is also provided with a refrigerant liquid pipeline communicated with an evaporator through a refrigerant liquid pump, the generator is also provided with a refrigerant steam channel communicated with the condenser, the third generator is also provided with a refrigerant liquid pipeline communicated with the evaporator through a spray pipe after the condenser is also provided with the refrigerant liquid pipeline communicated with the third generator, the evaporator is also provided with a refrigerant steam channel communicated with the absorber through a diffusion pipe, and the generator is also provided with a high-temperature heat medium pipeline communicated with the outside, the absorber and the condenser are also respectively communicated with the outside through a heated medium pipeline, the second generator and the evaporator are also respectively communicated with the outside through a low-temperature heat medium pipeline, and the second condenser and a cooling medium pipeline are also communicated with the outside to form the absorption heat pump.
Description of the drawings:
fig. 1 is a schematic view of a structure and a flow of an absorption heat pump 1 according to the present invention.
Fig. 2 is a schematic view of the structure and flow of the absorption heat pump 2 according to the present invention.
Fig. 3 is a schematic view of the structure and flow of the absorption heat pump 3 according to the present invention.
In the figure, 1-generator, 2-second generator, 3-third generator, 4-absorber, 5-condenser, 6-second condenser, 7-evaporator, 8-spray pipe, 9-diffuser pipe, 10-refrigerant liquid pump, 11-solution pump, 12-second solution pump, 13-solution heat exchanger, 14-second solution heat exchanger, 15-second absorber.
The specific implementation mode is as follows:
it is to be noted that, in the description of the structure and the flow, the repetition is not necessary; obvious flow is not described. The invention is described in detail below with reference to the figures and examples.
The absorption heat pump shown in fig. 1 is realized by:
(1) structurally, the system mainly comprises a generator, a second generator, a third generator, an absorber, a condenser, a second condenser, an evaporator, a spray pipe, a diffuser pipe, a refrigerant liquid pump, a solution pump, a second solution pump, a solution heat exchanger and a second solution heat exchanger; the absorber 4 is provided with a dilute solution pipeline which is communicated with the generator 1 through a solution pump 11 and a solution heat exchanger 13, the generator 1 is also provided with a concentrated solution pipeline which is communicated with the second generator 2 through the solution heat exchanger 13 and a second solution heat exchanger 14, the second generator 2 is also provided with a concentrated solution pipeline which is communicated with the third generator 3, the third generator 3 is also provided with a concentrated solution pipeline which is communicated with the absorber 4 through a second solution pump 12 and a second solution heat exchanger 14, the generator 1 is also provided with a refrigerant vapor channel which is communicated with the condenser 5, the condenser 5 is also provided with a refrigerant liquid pipeline which is communicated with the third generator 3, then the third generator 3 is provided with a refrigerant liquid pipeline which is communicated with the evaporator 7 through a spray pipe 8, the second generator 2 and the third generator 3 are also provided with a refrigerant vapor channel which is communicated with the second condenser 6 respectively, the second condenser 6 is also provided with a refrigerant liquid pipeline which is communicated with the evaporator 7 through a, the evaporator 7 is also provided with a refrigerant steam channel which is communicated with the absorber 4 through a diffuser pipe 9, the generator 1 is also provided with a high-temperature heat medium pipeline which is communicated with the outside, the absorber 4 and the condenser 5 are also respectively provided with a heated medium pipeline which is communicated with the outside, the second generator 2 and the evaporator 7 are also respectively provided with a low-temperature heat medium pipeline which is communicated with the outside, and the second condenser 6 is also provided with a cooling medium pipeline which is communicated with the outside.
(2) In the process, dilute solution in the absorber 4 enters the generator 1 through the solution pump 11 and the solution heat exchanger 13, high-temperature heat medium flows through the generator 1, heats the solution entering the generator 1 to release refrigerant vapor and provide the refrigerant vapor to the condenser 5, concentrated solution in the generator 1 enters the second generator 2 through the solution heat exchanger 13 and the second solution heat exchanger 14, low-temperature heat medium flows through the second generator 2, heats the solution entering the generator to release refrigerant vapor and provide the refrigerant vapor to the second condenser 6, concentrated solution in the second generator 2 enters the third generator 3, absorbs heat to release refrigerant vapor and provides the refrigerant vapor to the second condenser 6, and concentrated solution in the third generator 3 enters the absorber 4 through the second solution pump 12 and the second solution heat exchanger 14, absorbs heat to the heated medium; the refrigerant steam of the condenser 5 releases heat to a heated medium to form refrigerant liquid, the refrigerant liquid of the condenser 5 releases heat and cools through the third generator 3, then is reduced in pressure and accelerated through the spray pipe 8 and enters the evaporator 7, the refrigerant steam of the second condenser 6 releases heat to a cooling medium to form refrigerant liquid, the refrigerant liquid of the second condenser 6 is pressurized through the refrigerant liquid pump 10 and enters the evaporator 7, and the refrigerant liquid of the evaporator 7 obtains low-temperature heat load to form refrigerant steam; the refrigerant steam generated by the evaporator 7 flows through the diffuser pipe 9 to reduce the speed and increase the pressure, and then is supplied to the absorber 4 to form an absorption heat pump.
The absorption heat pump shown in fig. 2 is realized by:
(1) structurally, the system mainly comprises a generator, a second generator, a third generator, an absorber, a condenser, an evaporator, a spray pipe, a diffuser pipe, a solution pump, a second solution pump, a solution heat exchanger, a second solution heat exchanger and a second absorber; the absorber 4 is provided with a dilute solution pipeline which is communicated with a second absorber 15 through a solution heat exchanger 13, the second absorber 15 is also provided with a dilute solution pipeline which is communicated with the generator 1 through a solution pump 11 and a second solution heat exchanger 14, the generator 1 is also provided with a concentrated solution pipeline which is communicated with a second generator 2 through the second solution heat exchanger 14, the second generator 2 is also provided with a concentrated solution pipeline which is communicated with a third generator 3, the third generator 3 is also provided with a concentrated solution pipeline which is communicated with the absorber 4 through a second solution pump 12 and the solution heat exchanger 13, the generator 1 is also provided with a refrigerant steam channel which is communicated with a condenser 5, the third generator 3 is also provided with a refrigerant liquid pipeline which is communicated with an evaporator 7 through a spray pipe 8 after the condenser 5 is also provided with the third generator 3, the second generator 2 and the third generator 3 are also provided with a refrigerant steam channel which is communicated with the second absorber 15 respectively, the evaporator 7 is also provided with a refrigerant steam channel which is communicated with the absorber 4 through a diffuser pipe, the generator 1 is also communicated with the outside through a high-temperature heat medium pipeline, the absorber 4 and the condenser 5 are also respectively communicated with the outside through a heated medium pipeline, the second generator 2 and the evaporator 7 are also respectively communicated with the outside through a low-temperature heat medium pipeline, and the second absorber 15 is also communicated with the outside through a cooling medium pipeline.
(2) In the process, the dilute solution in the absorber 4 enters the second absorber 15 through the solution heat exchanger 13, absorbs refrigerant vapor and releases heat to the cooling medium, the dilute solution in the second absorber 15 enters the generator 1 through the solution pump 11 and the second solution heat exchanger 14, the high-temperature heat medium flows through the generator 1, heats the solution entering the generator 1 to release the refrigerant vapor and provides the refrigerant vapor to the condenser 5, the concentrated solution in the generator 1 enters the second generator 2 through the second solution heat exchanger 14, the low-temperature heat medium flows through the second generator 2, heating the solution entering the generator to release refrigerant steam and provide the refrigerant steam to a second absorber 15, enabling the concentrated solution of the second generator 2 to enter a third generator 3, absorbing heat to release refrigerant steam and provide the refrigerant steam to the second absorber 15, enabling the concentrated solution of the third generator 3 to enter an absorber 4 through a second solution pump 12 and a solution heat exchanger 13, absorbing the refrigerant steam and releasing heat to a heated medium; the refrigerant steam of the condenser 5 releases heat to the heated medium to form refrigerant liquid, the refrigerant liquid flows through the third generator 3 to release heat and reduce the temperature, the refrigerant liquid after being reduced in pressure and increased in speed through the spray pipe 8 and enters the evaporator 7 to obtain low-temperature heat load to form refrigerant steam; the refrigerant steam released by the evaporator 7 flows through the diffuser pipe 9 to reduce the speed and increase the pressure, and then is supplied to the absorber 4 to form an absorption heat pump.
The absorption heat pump shown in fig. 3 is realized by:
(1) structurally, the system mainly comprises a generator, a second generator, a third generator, an absorber, a condenser, a second condenser, an evaporator, a spray pipe, a diffuser pipe, a refrigerant liquid pump, a solution heat exchanger and a second solution heat exchanger; the third generator 3 is provided with a concentrated solution pipeline which is communicated with the generator 1 through a solution pump 11, a solution heat exchanger 13 and a second solution heat exchanger 14, the generator 1 is also provided with a concentrated solution pipeline which is communicated with the absorber 4 through the second solution heat exchanger 14, the absorber 4 is also provided with a dilute solution pipeline which is communicated with the second generator 2 through the solution heat exchanger 13, the second generator 2 is also provided with a concentrated solution pipeline which is communicated with the third generator 3, the second generator 2 and the third generator 3 are also respectively provided with a refrigerant steam channel which is communicated with the second condenser 6, the second condenser 6 is also provided with a refrigerant liquid pipeline which is communicated with the evaporator 7 through a refrigerant liquid pump 10, the generator 1 is also provided with a refrigerant steam channel which is communicated with the condenser 5, the third generator 3 is also provided with a refrigerant liquid pipeline which is communicated with the evaporator 7 through a spray pipe 8 after the condenser 5 is also provided with the third generator 3, the evaporator 7 is also provided with a refrigerant steam channel which is communicated with the absorber 4 through a diffuser, the generator 1 is also communicated with the outside through a high-temperature heat medium pipeline, the absorber 4 and the condenser 5 are also respectively communicated with the outside through a heated medium pipeline, the second generator 2 and the evaporator 7 are also respectively communicated with the outside through a low-temperature heat medium pipeline, and the second condenser 6 is also communicated with the outside through a cooling medium pipeline.
(2) In the process, the concentrated solution in the third generator 3 enters the generator 1 through the solution pump 11, the solution heat exchanger 13 and the second solution heat exchanger 14, the high-temperature heat medium flows through the generator 1, heats the solution entering the generator 1 to release refrigerant steam and provide the refrigerant steam to the condenser 5, the concentrated solution in the generator 1 enters the absorber 4 through the second solution heat exchanger 14, absorbs the refrigerant steam and releases heat to the heated medium, the dilute solution in the absorber 4 enters the second generator 2 through the solution heat exchanger 13, the low-temperature heat medium flows through the second generator 2, heats the solution entering the generator 2 to release the refrigerant steam and provides the refrigerant steam to the second condenser 6, and the concentrated solution in the second generator 2 enters the third generator 3, absorbs heat to release the refrigerant steam and provides the refrigerant steam to the second condenser 6; the refrigerant steam of the second condenser 6 releases heat to a cooling medium to form refrigerant liquid, the refrigerant liquid of the second condenser 6 is pressurized by a refrigerant liquid pump 10 to enter the evaporator 7, the refrigerant steam of the condenser 5 releases heat to a heated medium to form refrigerant liquid, the refrigerant liquid of the condenser 5 flows through the third generator 3 to release heat and reduce temperature, then is depressurized and accelerated by the spray pipe 8 to enter the evaporator 7, and the refrigerant liquid of the evaporator 7 obtains low-temperature heat load to form refrigerant steam; the refrigerant steam released by the evaporator 7 flows through the diffuser pipe 9 to reduce the speed and increase the pressure, and then is supplied to the absorber 4 to form an absorption heat pump.
The effect that the technology of the invention can realize-the absorption heat pump provided by the invention has the following effects and advantages:
(1) provides a new idea and a new technology for utilizing the refrigerant hydraulic pressure difference in the absorption heat pump technology.
(2) The utilization equipment of the refrigerant hydraulic pressure difference is simplified and efficient.
(3) The adverse effect on low-temperature heat load acquisition after the pressure of the refrigerant liquid is reduced, and the low-temperature heat load acquisition amount is improved.
(4) The refrigerant hydraulic pressure difference is converted into low-pressure refrigerant steam for boosting, and the technology is simple and efficient.
(5) The pressure difference energy is utilized, the low-temperature heat load acquisition amount is increased, the external mechanical energy input is reduced, and the performance index is improved.
(6) The requirement on latent heat of the refrigerant medium is reduced, and the selection of the working medium is facilitated.
(7) The heat pump technology is expanded, the types of the absorption heat pumps are enriched, and the efficient utilization of heat energy is favorably realized.
Claims (3)
1. The absorption heat pump mainly comprises a generator, a second generator, a third generator, an absorber, a condenser, a second condenser, an evaporator, a spray pipe, a diffuser pipe, a refrigerant liquid pump, a solution pump, a second solution pump, a solution heat exchanger and a second solution heat exchanger; the absorber (4) is provided with a dilute solution pipeline which is communicated with the generator (1) through a solution pump (11) and a solution heat exchanger (13), the generator (1) is also provided with a concentrated solution pipeline which is communicated with the second generator (2) through the solution heat exchanger (13) and a second solution heat exchanger (14), the second generator (2) is also provided with a concentrated solution pipeline which is communicated with the third generator (3), the third generator (3) is also provided with a concentrated solution pipeline which is communicated with the absorber (4) through a second solution pump (12) and a second solution heat exchanger (14), the generator (1) is also provided with a refrigerant steam channel which is communicated with the condenser (5), the condenser (5) is also provided with a refrigerant liquid pipeline which is communicated with the third generator (3), then the third generator (3) is provided with a refrigerant liquid pipeline which is communicated with the evaporator (7) through a spray pipe (8), and the second generator (2) and the third generator (3) are also provided with a refrigerant steam channel which is communicated with the second condenser (6), the second condenser (6) is also provided with a refrigerant liquid pipeline which is communicated with the evaporator (7) through a refrigerant liquid pump (10), the evaporator (7) is also provided with a refrigerant steam channel which is communicated with the absorber (4) through a diffuser pipe (9), the generator (1) is also provided with a high-temperature heat medium pipeline which is communicated with the outside, the absorber (4) and the condenser (5) are also respectively provided with a heated medium pipeline which is communicated with the outside, the second generator (2) and the evaporator (7) are also respectively provided with a low-temperature heat medium pipeline which is communicated with the outside, and the second condenser (6) is also provided with a cooling medium pipeline which is communicated with the outside to form an absorption heat pump.
2. The absorption heat pump mainly comprises a generator, a second generator, a third generator, an absorber, a condenser, an evaporator, a spray pipe, a diffuser pipe, a solution pump, a second solution pump, a solution heat exchanger, a second solution heat exchanger and a second absorber; the absorber (4) is provided with a dilute solution pipeline which is communicated with a second absorber (15) through a solution heat exchanger (13), the second absorber (15) is also provided with a dilute solution pipeline which is communicated with the generator (1) through a solution pump (11) and a second solution heat exchanger (14), the generator (1) is also provided with a concentrated solution pipeline which is communicated with a second generator (2) through the second solution heat exchanger (14), the second generator (2) is also provided with a concentrated solution pipeline which is communicated with a third generator (3), the third generator (3) is also provided with a concentrated solution pipeline which is communicated with the absorber (4) through a second solution pump (12) and a solution heat exchanger (13), the generator (1) is also provided with a refrigerant steam channel which is communicated with the condenser (5), the condenser (5) is also provided with a refrigerant liquid pipeline which is communicated with the third generator (3), and then the third generator (3) is provided with a refrigerant liquid pipeline which is communicated with the evaporator (7) through a spray pipe (8), the second generator (2) and the third generator (3) are also respectively communicated with a refrigerant steam channel and a second absorber (15), the evaporator (7) is also communicated with the absorber (4) through a diffuser pipe (9), the generator (1) is also communicated with the outside through a high-temperature heat medium pipeline, the absorber (4) and the condenser (5) are also respectively communicated with the outside through a heated medium pipeline, the second generator (2) and the evaporator (7) are also respectively communicated with the outside through a low-temperature heat medium pipeline, and the second absorber (15) is also communicated with the outside through a cooling medium pipeline to form an absorption heat pump.
3. The absorption heat pump mainly comprises a generator, a second generator, a third generator, an absorber, a condenser, a second condenser, an evaporator, a spray pipe, a diffuser pipe, a refrigerant liquid pump, a solution heat exchanger and a second solution heat exchanger; the third generator (3) is provided with a concentrated solution pipeline which is communicated with the generator (1) through a solution pump (11), a solution heat exchanger (13) and a second solution heat exchanger (14), the generator (1) is also provided with a concentrated solution pipeline which is communicated with the absorber (4) through the second solution heat exchanger (14), the absorber (4) is also provided with a dilute solution pipeline which is communicated with the second generator (2) through the solution heat exchanger (13), the second generator (2) is also provided with a concentrated solution pipeline which is communicated with the third generator (3), the second generator (2) and the third generator (3) are also provided with a refrigerant steam channel which is communicated with the second condenser (6), the second condenser (6) is also provided with a refrigerant liquid pipeline which is communicated with the evaporator (7) through a refrigerant liquid pump (10), the generator (1) is also provided with a refrigerant steam channel which is communicated with the condenser (5), and the condenser (5) is also provided with a refrigerant liquid pipeline which is communicated with the third generator (3), and then the third generator (3) is provided with a refrigerant liquid pipeline which is communicated with the third The pipe (8) is communicated with the evaporator (7), the evaporator (7) is also provided with a refrigerant steam channel which is communicated with the absorber (4) through a diffuser pipe (9), the generator (1) is also provided with a high-temperature heat medium pipeline which is communicated with the outside, the absorber (4) and the condenser (5) are also respectively provided with a heated medium pipeline which is communicated with the outside, the second generator (2) and the evaporator (7) are also respectively provided with a low-temperature heat medium pipeline which is communicated with the outside, and the second condenser (6) is also provided with a cooling medium pipeline which is communicated with the outside to form an absorption heat pump.
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