CN115200255A - Thermally driven compression-absorption heat pump - Google Patents
Thermally driven compression-absorption heat pump Download PDFInfo
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- CN115200255A CN115200255A CN202110263547.0A CN202110263547A CN115200255A CN 115200255 A CN115200255 A CN 115200255A CN 202110263547 A CN202110263547 A CN 202110263547A CN 115200255 A CN115200255 A CN 115200255A
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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
- F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
- F25B25/02—Compression-sorption machines, plants, or systems
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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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Abstract
The invention provides a thermally driven compression-absorption heat pump, and belongs to the technical field of heat power and heat pumps. The generator is communicated with a second generator through a solution pump, a solution heat exchanger and a second solution heat exchanger, the second generator is communicated with an absorber through the second solution heat exchanger, the absorber is communicated with the generator through the solution heat exchanger, the generator is communicated with a condenser, the condenser is communicated with an evaporator through a refrigerant liquid pump, the second generator is communicated with a second condenser through a compressor, a high-temperature heat exchanger and an expander, the second condenser is provided with a refrigerant liquid pipeline communicated with the evaporator through a spray pipe, the evaporator is provided with a refrigerant vapor channel communicated with the absorber through a dual-energy compressor, the second generator and the high-temperature heat exchanger are provided with high-temperature heat medium pipelines, the absorber and the second condenser are provided with heated medium pipelines, the generator and the evaporator are provided with low-temperature heat medium pipelines, the condenser is provided with cooling medium pipelines respectively communicated with the outside, and the expander is connected with the compressor and the dual-energy compressor and transmits power to form a heat driving compression-absorption type heat pump.
Description
The technical field is as follows:
the invention belongs to the technical field of heat power and heat pump combination.
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 conditions will be faced, including the type, grade and amount of energy source, the type, grade and amount of user's demand, the ambient temperature, the type of working medium, the flow, structure and manufacturing cost of the apparatus, and so on.
The heat energy (temperature difference) utilization technology represented by the heat-driven compression-absorption heat pump technology is influenced by the properties of working media (solution and refrigerant media), the driving heat load cannot be reasonably applied to the flow process of the absorption heat pump, and the heat supply parameters are greatly restricted; how to realize the simplification and the high efficiency of the effective recovery of the pressure difference energy in the process of reducing the pressure of the refrigerant liquid and eliminate the negative influence is also the content worthy of research. Therefore, the invention provides the heat-driven compression-absorption heat pump which can effectively and deeply utilize and drive the heat load, effectively recover the pressure difference energy in the refrigerant liquid pressure reduction process, has wide range of heat supply parameters, is driven by multiple heat sources and has simple structure.
The invention content is as follows:
the invention mainly aims to provide a heat-driven compression-absorption heat pump capable of effectively utilizing high-temperature heat supply and condensation hydraulic pressure difference, and the specific contents of the invention are explained in different terms as follows:
1. the heat-driven compression-absorption heat pump mainly comprises a generator, a second generator, an absorber, a condenser, a second condenser, an evaporator, a spray pipe, a dual-energy compressor, a refrigerant liquid pump, a solution heat exchanger, a second solution heat exchanger, a compressor, an expander and a high-temperature heat exchanger; the generator is provided with a concentrated solution pipeline which is communicated with a second generator through a solution pump, a solution heat exchanger and a second solution heat exchanger, the second generator is also provided with a concentrated solution pipeline which is communicated with an absorber through the second solution heat exchanger, the absorber is also provided with a dilute solution pipeline which is communicated with the generator through the solution heat exchanger, the generator is also provided with a refrigerant steam channel which is communicated with a condenser, the condenser is also provided with a refrigerant liquid pipeline which is communicated with an evaporator through a refrigerant liquid pump, the second generator is also provided with a refrigerant steam channel which is communicated with a compressor, the compressor is also provided with a refrigerant steam channel which is communicated with an expander through a high-temperature heat exchanger, the expander is also provided with a refrigerant steam channel which is communicated with a second condenser, the second condenser is also provided with a refrigerant liquid pipeline which is communicated with the evaporator through a spray pipe, the evaporator is also provided with a refrigerant steam channel which is communicated with the absorber through a dual-energy compressor, the second generator and the high-temperature heat exchanger are also respectively communicated with the outside, the generator and the evaporator are also provided with a heated medium pipeline which are respectively communicated with the outside, and the condenser are also provided with a cooling medium pipeline which is communicated with the outside, and the expander is connected with the compressor and a dual-energy absorption-driven heat transfer pump to form a heat-compression heat pump.
2. The heat-driven compression-absorption heat pump mainly comprises a generator, a second generator, an absorber, a condenser, a second condenser, an evaporator, a spray pipe, a dual-energy compressor, a refrigerant liquid pump, a solution heat exchanger, a second solution heat exchanger, a compressor, an expander and a high-temperature heat exchanger; the generator is provided with a concentrated solution pipeline which is communicated with a second generator through a solution pump, a solution heat exchanger and a second solution heat exchanger, the second generator is also provided with a concentrated solution pipeline which is communicated with an absorber through the second solution heat exchanger, the absorber is also provided with a dilute solution pipeline which is communicated with the generator through the solution heat exchanger, the generator is also provided with a refrigerant steam channel which is communicated with a condenser, the condenser is also provided with a refrigerant liquid pipeline which is communicated with an evaporator through a refrigerant liquid pump, the second generator is also provided with a refrigerant steam channel which is communicated with a compressor, the compressor is also provided with a refrigerant steam channel which is communicated with an expander through a high-temperature heat exchanger, the expander is also provided with a refrigerant steam channel which is communicated with a second condenser, the generator is also provided with a refrigerant liquid pipeline which is communicated with the evaporator through a spray pipe after the second condenser is also communicated with the generator, the evaporator is also provided with a refrigerant steam channel which is communicated with the outside through a dual-energy compressor, the second generator and the high-temperature heat exchanger are also provided with a high-temperature heat medium pipeline which are communicated with the outside, the absorber and the low-temperature heat exchanger are connected with the dual-energy compressor and form a heat transfer-driven heat-compressor-absorption pump.
3. A heat-driven compression-absorption heat pump is characterized in that a heat regenerator is added in any one of the heat-driven compression-absorption heat pumps in items 1-2, a refrigerant steam channel of a compressor is communicated with an expander through a high-temperature heat exchanger and adjusted to be communicated with the expander through the heat regenerator and the high-temperature heat exchanger, a refrigerant steam channel of the expander is communicated with a condenser and adjusted to be communicated with the expander through the refrigerant steam channel of the expander and the heat regenerator, and thus the heat-driven compression-absorption heat pump is formed.
4. A thermally driven compression-absorption heat pump is characterized in that a second spray pipe and a second high-temperature heat exchanger are added in any thermally driven compression-absorption heat pump in items 1-2, a refrigerant steam channel of a compressor is communicated with an expander through the high-temperature heat exchanger and is adjusted to be communicated with the expander through the high-temperature heat exchanger, the second spray pipe and the second high-temperature heat exchanger, and the second high-temperature heat exchanger and a high-temperature heat exchanger channel are communicated with the outside to form the compression-absorption heat pump driven by heat energy.
5. A heat-driven compression-absorption heat pump is characterized in that a second high-temperature heat exchanger and a diffuser pipe are added in any heat-driven compression-absorption heat pump in items 1-2, a refrigerant steam channel of a compressor is communicated with an expander through the high-temperature heat exchanger and is adjusted to be communicated with the expander through the high-temperature heat exchanger, the diffuser pipe and the second high-temperature heat exchanger, and the second high-temperature heat exchanger and the high-temperature heat exchanger are communicated with the outside to form the heat-driven compression-absorption heat pump.
6. A heat-driven compression-absorption heat pump is a heat-driven compression-absorption heat pump which is additionally provided with a working machine in any one of the heat-driven compression-absorption heat pumps in items 1 to 5, wherein an expansion machine is connected with the working machine and provides power for the working machine to form heat energy drive and additionally provide power load for the outside.
7. A heat-driven compression-absorption heat pump is characterized in that a power machine is added in any heat-driven compression-absorption heat pump in items 1-5, and the power machine is connected with a dual-energy compressor and provides power for the dual-energy compressor to form the heat-driven compression-absorption heat pump driven by both heat energy and mechanical energy.
Description of the drawings:
fig. 1 is a schematic view of a 1 st structure and flow of a thermally driven compression-absorption heat pump according to the present invention.
Fig. 2 is a schematic view of the structure and flow of the thermally driven compression-absorption heat pump according to the present invention in fig. 2.
Fig. 3 is a schematic view of the structure and flow of the thermally driven compression-absorption heat pump according to the present invention in 3 rd embodiment.
Fig. 4 is a schematic diagram of a 4 th structure and flow of the thermally driven compression-absorption heat pump according to the present invention.
Fig. 5 is a schematic diagram of the structure and flow of the thermally driven compression-absorption heat pump according to the present invention in fig. 5.
In the figure, 1-generator, 2-second generator, 3-absorber, 4-condenser, 5-second condenser, 6-evaporator, 7-spray pipe, 8-dual-energy compressor, 9-refrigerant liquid pump, 10-solution pump, 11-solution heat exchanger, 12-second solution heat exchanger; the system comprises an A-compressor, a B-expander, a C-high temperature heat exchanger, a D-heat regenerator, an E-second spray pipe, an F-second high temperature heat exchanger and a G-diffuser pipe.
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 thermally driven compression-absorption heat pump shown in fig. 1 is realized by:
(1) Structurally, the system mainly comprises a generator, a second generator, an absorber, a condenser, a second condenser, an evaporator, a spray pipe, a dual-energy compressor, a refrigerant liquid pump, a solution heat exchanger, a second solution heat exchanger, a compressor, an expander and a high-temperature heat exchanger; the generator 1 is provided with a concentrated solution pipeline which is communicated with the second generator 2 through a solution pump 10, a solution heat exchanger 11 and a second solution heat exchanger 12, the second generator 2 is also provided with a concentrated solution pipeline which is communicated with the absorber 3 through the second solution heat exchanger 12, the absorber 3 is also provided with a dilute solution pipeline which is communicated with the generator 1 through the solution heat exchanger 11, the generator 1 is also provided with a refrigerant steam channel which is communicated with the condenser 4, the condenser 4 is also provided with a refrigerant liquid pipeline which is communicated with the evaporator 6 through a refrigerant liquid pump 9, the second generator 2 is also provided with a refrigerant steam channel which is communicated with the compressor A, the compressor A is also provided with a refrigerant steam channel which is communicated with the expander B through a high-temperature heat exchanger C, the expander B is also provided with a refrigerant steam channel communicated with a second condenser 5, the second condenser 5 is also provided with a refrigerant liquid pipeline communicated with an evaporator 6 through a spray pipe 7, the evaporator 6 is also provided with a refrigerant steam channel communicated with an absorber 3 through a dual-energy compressor 8, the second generator 2 and the high-temperature heat exchanger C are also respectively provided with a high-temperature heat medium pipeline communicated with the outside, the absorber 3 and the second condenser 5 are respectively provided with a heated medium pipeline communicated with the outside, the generator 1 and the evaporator 6 are respectively provided with a low-temperature heat medium pipeline communicated with the outside, the condenser 4 is also provided with a cooling medium pipeline communicated with the outside, and the expander B is connected with the compressor A and the dual-energy compressor 8 and transmits power.
(2) In the process, a concentrated solution in a generator 1 enters a second generator 2 through a solution pump 10, a solution heat exchanger 11 and a second solution heat exchanger 12, a high-temperature heat medium flows through the second generator 2, heats the solution entering the second generator 2 to release refrigerant steam and provide the refrigerant steam for a compressor A, the concentrated solution in the second generator 2 enters an absorber 3 through the second solution heat exchanger 12, absorbs the refrigerant steam and releases heat to a heated medium, a dilute solution in the absorber 3 enters the generator 1 through the solution heat exchanger 11, and a low-temperature heat medium flows through the generator 1, heats the solution entering the generator 1 to release the refrigerant steam and provides the refrigerant steam for a condenser 4; the refrigerant steam of the condenser 4 releases heat to the cooling medium to form refrigerant liquid, and the refrigerant liquid of the condenser 4 is pressurized by a refrigerant liquid pump 9 and enters the evaporator 6; refrigerant steam flows through the compressor A to increase pressure and temperature, flows through the high-temperature heat exchanger C to absorb heat and increase temperature, flows through the expander B to reduce pressure and do work, and then enters the second condenser 5 to release heat to a heated medium to form refrigerant liquid; refrigerant liquid of the second condenser 5 flows through a spray pipe 7, is depressurized and accelerated, enters an evaporator 6, the refrigerant liquid of the evaporator 6 obtains low-temperature thermal load to form refrigerant steam, and the refrigerant steam released by the evaporator 6 flows through a dual-energy compressor 8, is depressurized and accelerated, and then is provided for an absorber 3; the work output by the expander B is provided to the compressor A and the dual-energy compressor 8 as power to form a heat-driven compression-absorption heat pump.
The thermally driven compression-absorption heat pump shown in fig. 2 is realized by:
(1) Structurally, the system mainly comprises a generator, a second generator, an absorber, a condenser, a second condenser, an evaporator, a spray pipe, a dual-energy compressor, a refrigerant liquid pump, a solution heat exchanger, a second solution heat exchanger, a compressor, an expander and a high-temperature heat exchanger; the generator 1 is provided with a concentrated solution pipeline which is communicated with a second generator 2 through a solution pump 10, a solution heat exchanger 11 and a second solution heat exchanger 12, the second generator 2 is also provided with a concentrated solution pipeline which is communicated with an absorber 3 through the second solution heat exchanger 12, the absorber 3 is also provided with a dilute solution pipeline which is communicated with the generator 1 through the solution heat exchanger 11, the generator 1 is also provided with a refrigerant steam channel which is communicated with a condenser 4, the condenser 4 is also provided with a refrigerant liquid pipeline which is communicated with an evaporator 6 through a refrigerant liquid pump 9, the second generator 2 is also provided with a refrigerant steam channel which is communicated with a compressor A, the compressor A is also provided with a refrigerant steam channel which is communicated with an expander B through a high-temperature heat exchanger C, and the expander B is also provided with a refrigerant steam channel which is communicated with a second condenser 5, the second condenser 5 is also provided with a refrigerant liquid pipeline which is communicated with the generator 1, then the generator 1 is provided with a refrigerant liquid pipeline which is communicated with the evaporator 6 through a spray pipe 7, the evaporator 6 is also provided with a refrigerant steam channel which is communicated with the absorber 3 through a dual-energy compressor 8, the second generator 2 and the high-temperature heat exchanger C are also provided with high-temperature heat medium pipelines which are communicated with the outside, the absorber 3 and the second condenser 5 are also respectively provided with heated medium pipelines which are communicated with the outside, the condenser 4 is also provided with a cooling medium pipeline which is communicated with the outside, the evaporator 6 is also provided with a low-temperature heat medium pipeline which is communicated with the outside, and the expander B is connected with the compressor A and the dual-energy compressor 8 and transmits power to form a heat-driven compression-absorption heat pump.
(2) In the process, the concentrated solution in the generator 1 enters the second generator 2 through the solution pump 10, the solution heat exchanger 11 and the second solution heat exchanger 12, the high-temperature heat medium flows through the second generator 2, heats the solution entering the second generator 2 to release refrigerant steam and provide the refrigerant steam for the compressor A, the concentrated solution in the second generator 2 enters the absorber 3 through the second solution heat exchanger 12, absorbs the refrigerant steam and releases heat to the heated medium, and the dilute solution in the absorber 3 enters the generator 1 through the solution heat exchanger 11, absorbs heat to release the refrigerant steam and provides the refrigerant steam for the condenser 4; the refrigerant steam of the condenser 4 releases heat to a cooling medium to form refrigerant liquid, and the refrigerant liquid of the condenser 4 is pressurized by a refrigerant liquid pump 9 and enters the evaporator 6; refrigerant vapor flows through the compressor A to increase the pressure and the temperature, flows through the high-temperature heat exchanger C to absorb heat and increase the temperature, flows through the expander B to reduce the pressure and do work, and then enters the second condenser 5 to release heat to a heated medium to form refrigerant liquid; refrigerant liquid of the second condenser 5 is subjected to heat release and temperature reduction through the generator 1, then is subjected to pressure reduction and speed increase through the spray pipe 7, enters the evaporator 6, obtains low-temperature thermal load to form refrigerant vapor from the refrigerant liquid of the evaporator 6, and is provided for the absorber 3 after the refrigerant vapor released by the evaporator 6 is subjected to speed reduction and pressure increase through the dual-energy compressor 8; the work output by the expander B is provided for the compressor A and the dual-energy compressor 8 as power, and a heat-driven compression-absorption heat pump is formed.
The thermally driven compression-absorption heat pump shown in fig. 3 is realized by:
in the thermally driven compression-absorption heat pump shown in fig. 1, a heat regenerator is added, a refrigerant steam channel of a compressor a is communicated with an expander B through a high-temperature heat exchanger C and adjusted to be communicated with the expander B through a heat regenerator D and the high-temperature heat exchanger C, and a refrigerant steam channel of the expander B is communicated with a condenser 5 and adjusted to be communicated with the expander B through a heat regenerator D and adjusted to be communicated with the condenser 5 through a refrigerant steam channel of the expander B; refrigerant steam flows through the compressor A to increase pressure and temperature, flows through the heat regenerator D and the high-temperature heat exchanger C to gradually absorb heat and increase temperature, flows through the expander B to reduce pressure and work, flows through the heat regenerator D to release heat and reduce temperature, and then enters the condenser 5 to release heat and condense to form a compression-absorption heat pump driven by heat energy.
The thermally driven compression-absorption heat pump shown in fig. 4 is realized by:
in the heat-driven compression-absorption heat pump shown in fig. 1, a second spray pipe and a second high-temperature heat exchanger are added, a refrigerant steam passage of a compressor A is communicated with an expander B through the high-temperature heat exchanger C, and is adjusted to be communicated with the expander B through the refrigerant steam passage of the compressor A, the high-temperature heat exchanger C, the second spray pipe E and a second high-temperature heat exchanger F, and the second high-temperature heat exchanger F is also communicated with the outside through a high-temperature heat exchanger passage; refrigerant steam discharged by the compressor A flows through the high-temperature heat exchanger C to absorb heat and raise the temperature, flows through the second spray pipe E to reduce the pressure and increase the speed, flows through the second high-temperature heat exchanger F to absorb heat and raise the temperature, flows through the expander B to reduce the pressure and do work or reduce the speed and reduce the pressure and do work, and then enters the condenser 5 to release heat and condense to form a compression-absorption heat pump driven by heat energy.
The thermally driven compression-absorption heat pump shown in fig. 5 is realized by:
in the thermally driven compression-absorption heat pump shown in fig. 1, a second high-temperature heat exchanger and a diffuser pipe are added, a refrigerant steam passage of the compressor a is communicated and adjusted with the expander B through the high-temperature heat exchanger C, the refrigerant steam passage of the compressor a is communicated with the expander B through the high-temperature heat exchanger C, the diffuser pipe G and a second high-temperature heat exchanger F, and the second high-temperature heat exchanger F is also communicated with the outside through the high-temperature heat exchanger passage; refrigerant steam discharged by the compressor A absorbs heat and heats through the high-temperature heat exchanger C, increases the pressure and heats through the diffuser pipe G, reduces the pressure and applies work through the expander B, and then enters the condenser 5 to release heat and condense to form a compression-absorption heat pump driven by heat energy.
The effect that the technology of the invention can realize-the heat drive compression-absorption heat pump proposed 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 heat-driven compression-absorption heat pump technology.
(2) The refrigerant hydraulic pressure difference utilization equipment is simplified.
(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 low-pressure refrigerant steam pressure boosting equipment is simplified.
(5) The pressure difference can be utilized, the low-temperature heat load acquisition amount is increased, and the performance index is effectively improved.
(6) The requirement on latent heat of refrigerant media is reduced, and the selection of working media is facilitated.
(7) The heat boosting technology is reasonably utilized, the contradiction between heat supply parameters and solution performance is solved to a great extent, and high-temperature and high-efficiency heat supply is realized.
(8) The technical means is simple, the deep utilization of high-temperature thermal load is realized, and the heat utilization value is improved.
(9) The heat pump technology is expanded, the types of the heat pump are enriched, and the high-efficiency utilization of heat energy and mechanical energy is favorably realized.
Claims (7)
1. The heat-driven compression-absorption heat pump mainly comprises a generator, a second generator, an absorber, a condenser, a second condenser, an evaporator, a spray pipe, a dual-energy compressor, a refrigerant liquid pump, a solution heat exchanger, a second solution heat exchanger, a compressor, an expander and a high-temperature heat exchanger; the generator (1) is provided with a concentrated solution pipeline which is communicated with the second generator (2) through a solution pump (10), a solution heat exchanger (11) and a second solution heat exchanger (12), the second generator (2) is also provided with a concentrated solution pipeline which is communicated with the absorber (3) through the second solution heat exchanger (12), the absorber (3) is also provided with a dilute solution pipeline which is communicated with the generator (1) through the solution heat exchanger (11), the generator (1) is also provided with a refrigerant steam channel which is communicated with the condenser (4), the condenser (4) is also provided with a refrigerant liquid pipeline which is communicated with the evaporator (6) through a refrigerant liquid pump (9), the second generator (2) is also provided with a refrigerant steam channel which is communicated with the compressor (A), the compressor (A) is also provided with a refrigerant steam channel which is communicated with the expander (B) through a high temperature heat exchanger (C), the expander (B) is also provided with a refrigerant steam channel which is communicated with the second condenser (5), the second condenser (5) is also provided with a refrigerant liquid pipeline which is communicated with the evaporator (6) through a spray pipe (7), the evaporator (6) is also provided with a steam channel which is communicated with the second heat exchanger (3) and a high temperature heat exchanger (3), and the second generator (3) and the external heat absorber (3) are respectively communicated with the high temperature heat exchanger (3), the generator (1) and the evaporator (6) are also respectively communicated with the outside through a low-temperature heat medium pipeline, the condenser (4) is also communicated with the outside through a cooling medium pipeline, and the expander (B) is connected with the compressor (A) and the dual-energy compressor (8) and transmits power to form a thermal drive compression-absorption heat pump.
2. The heat-driven compression-absorption heat pump mainly comprises a generator, a second generator, an absorber, a condenser, a second condenser, an evaporator, a spray pipe, a dual-energy compressor, a refrigerant liquid pump, a solution heat exchanger, a second solution heat exchanger, a compressor, an expander and a high-temperature heat exchanger; the generator (1) is provided with a concentrated solution pipeline which is communicated with the second generator (2) through a solution pump (10), a solution heat exchanger (11) and a second solution heat exchanger (12), the second generator (2) is also provided with a concentrated solution pipeline which is communicated with the absorber (3) through the second solution heat exchanger (12), the absorber (3) is also provided with a dilute solution pipeline which is communicated with the generator (1) through the solution heat exchanger (11), the generator (1) is also provided with a refrigerant steam channel which is communicated with the condenser (4), the condenser (4) is also provided with a refrigerant liquid pipeline which is communicated with the evaporator (6) through a refrigerant liquid pump (9), the second generator (2) is also provided with a refrigerant steam channel which is communicated with the compressor (A), the compressor (A) is also provided with a refrigerant steam channel which is communicated with the expander (B) through a high temperature heat exchanger (C), the expander (B) is also provided with the refrigerant steam channel which is communicated with the second condenser (5), the second condenser (5) is also provided with a refrigerant liquid pipeline which is communicated with the generator (1) through a spray pipe (7), the generator (1) is also provided with the refrigerant liquid pipeline which is communicated with the evaporator (6), the high temperature heat exchanger (3) and the high temperature heat exchanger (8), the absorber (3) and the second condenser (5) are also respectively communicated with the outside through a heated medium pipeline, the condenser (4) is also communicated with the outside through a cooling medium pipeline, the evaporator (6) is also communicated with the outside through a low-temperature heat medium pipeline, and the expander (B) is connected with the compressor (A) and the dual-energy compressor (8) and transmits power to form a heat-driven compression-absorption heat pump.
3. A heat-driven compression-absorption heat pump is characterized in that a heat regenerator is added in any heat-driven compression-absorption heat pump of claims 1-2, a refrigerant steam channel of a compressor (A) is communicated with an expander (B) through a high-temperature heat exchanger (C) and adjusted to be communicated with the expander (B) through the heat regenerator (D) and the high-temperature heat exchanger (C), a refrigerant steam channel of the expander (B) is communicated with a condenser (5) and adjusted to be communicated with the condenser (B) through the heat regenerator (D), and the heat-driven compression-absorption heat pump is formed.
4. A thermally driven compression-absorption heat pump is characterized in that a second spray pipe and a second high-temperature heat exchanger are added in the thermally driven compression-absorption heat pump according to any one of claims 1-2, a refrigerant steam channel of a compressor (A) is communicated with an expander (B) through the high-temperature heat exchanger (C) and is adjusted to be communicated with the expander (B) through the high-temperature heat exchanger (C), the second spray pipe (E) and the second high-temperature heat exchanger (F), the refrigerant steam channel of the compressor (A) is communicated with the expander (B) through the high-temperature heat exchanger (C), the second spray pipe (E) and the second high-temperature heat exchanger (F), and the second high-temperature heat exchanger (F) is also communicated with the outside to form the compression-absorption heat pump driven by heat energy.
5. A heat-driven compression-absorption heat pump is characterized in that a second high-temperature heat exchanger and a diffuser pipe are added in the heat-driven compression-absorption heat pump according to any one of claims 1 to 2, a refrigerant steam channel of a compressor (A) is communicated and adjusted with an expander (B) through a high-temperature heat exchanger (C), the refrigerant steam channel of the compressor (A) is communicated with the expander (B) through the high-temperature heat exchanger (C), the diffuser pipe (G) and a second high-temperature heat exchanger (F), and the second high-temperature heat exchanger (F) and the high-temperature heat exchanger channel are communicated with the outside to form the heat-driven compression-absorption heat pump.
6. A heat-driven compression-absorption heat pump is a heat-driven compression-absorption heat pump which is added with a working machine in any heat-driven compression-absorption heat pump of claims 1 to 5, wherein an expansion machine (B) is connected with the working machine and provides power for the working machine to form heat energy drive and additionally provide power load for the outside.
7. A heat-driven compression-absorption heat pump is characterized in that a power machine is added in any heat-driven compression-absorption heat pump in claims 1-5, the power machine is connected with a dual-energy compressor (8) and provides power for the dual-energy compressor (8), and the heat-driven compression-absorption heat pump driven by both heat energy and mechanical energy is formed.
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| CN106322821A (en) * | 2015-09-17 | 2017-01-11 | 李华玉 | Fourth-class thermally driven compression-absorption heat pump |
| CN106766352A (en) * | 2016-11-12 | 2017-05-31 | 浙江理工大学 | Steam jet type cooling device and its refrigerating method that heat/work(joint drives |
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2021
- 2021-03-01 CN CN202110263547.0A patent/CN115200255A/en active Pending
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| CN101105346A (en) * | 2007-08-23 | 2008-01-16 | 广东西屋康达空调有限公司 | Frequency conversion magnetic levitation compression expansion engine set |
| CN202630243U (en) * | 2012-03-27 | 2012-12-26 | 中南大学 | Domestic and commercial air conditioner return-air pressurization energy-saving device |
| CN104729136A (en) * | 2015-03-02 | 2015-06-24 | 无锡雪浪环境科技股份有限公司 | Circulating refrigerating method and refrigerating circulating system thereof |
| CN105953465A (en) * | 2015-05-06 | 2016-09-21 | 李华玉 | Fourth kind thermal-driving compression-absorption type heat pump |
| CN106322821A (en) * | 2015-09-17 | 2017-01-11 | 李华玉 | Fourth-class thermally driven compression-absorption heat pump |
| CN106766352A (en) * | 2016-11-12 | 2017-05-31 | 浙江理工大学 | Steam jet type cooling device and its refrigerating method that heat/work(joint drives |
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