CN115218549A - Thermally driven compression-absorption heat pump - Google Patents
Thermally driven compression-absorption heat pump Download PDFInfo
- Publication number
- CN115218549A CN115218549A CN202110263218.6A CN202110263218A CN115218549A CN 115218549 A CN115218549 A CN 115218549A CN 202110263218 A CN202110263218 A CN 202110263218A CN 115218549 A CN115218549 A CN 115218549A
- Authority
- CN
- China
- Prior art keywords
- generator
- communicated
- heat exchanger
- solution
- compressor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Sorption Type Refrigeration Machines (AREA)
Abstract
The invention provides a thermally driven compression-absorption heat pump, and belongs to the technical field of heat power/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 communicated with the condenser through the compressor, the high-temperature heat exchanger and the expander, the condenser is communicated with the evaporator through the third generator and the spray pipe, the second generator is communicated with the second condenser through the third generator, the second condenser is communicated with the evaporator through the refrigerant liquid pump, the evaporator is communicated with the absorber through the dual-energy compressor, the generator, the high-temperature heat exchanger, the absorber, the condenser, the second generator, the evaporator and the second condenser are respectively provided with different heat source medium pipelines to be communicated with the outside, and the expander is connected with the compressor and the dual-energy compressor and transmits power to form a heat-driven compression-absorption 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, a third generator, an absorber, a condenser, a second condenser, an evaporator, a spray pipe, a dual-energy compressor, a refrigerant liquid pump, a solution pump, a second solution pump, a solution heat exchanger, a second solution heat exchanger, a compressor, an expander and a high-temperature 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 through the second solution pump and the second solution heat exchanger, the generator is also provided with a refrigerant steam channel communicated with a compressor, the compressor is also provided with a refrigerant steam channel communicated with an expander through a high-temperature heat exchanger, the expander is also provided with a refrigerant steam channel communicated with a condenser, the condenser is also provided with a refrigerant steam channel 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 further provided with refrigerant steam channels communicated with a second condenser respectively, the second condenser is also provided with a refrigerant liquid pipeline communicated with the evaporator through a refrigerant liquid pump, the evaporator is also provided with an absorber through a dual-energy compressor, the generator and the high-temperature heat exchanger are also provided with a high-temperature heat medium pipeline communicated with the outside, the second condenser and the second generator are also communicated with an absorption medium pipeline, the second generator is also provided with an absorption heat exchanger, the second generator is also provided with an absorption heat exchanger, the absorption medium pipeline communicated with an absorption compressor, and an external heat exchanger, and an external heat transmission compressor, and an absorption compressor are also provided with a dual-absorption compressor, and a dual energy compressor are communicated with a heat transmission pipeline, and a dual energy compressor, and a heat transmission pipeline are communicated with a dual energy compressor, and a heat transmission pipeline.
2. The heat-driven compression-absorption heat pump mainly comprises a generator, a second generator, a third generator, an absorber, a condenser, an evaporator, a spray pipe, a dual-energy compressor, a solution pump, a second solution pump, a solution heat exchanger, a second absorber, a compressor, an expander and a high-temperature heat exchanger; the absorber is provided with a dilute solution pipeline which is communicated with a second absorber through a solution heat exchanger, the second absorber is also provided with a dilute solution pipeline which is communicated with a generator through a solution pump and a second solution heat exchanger, the generator is also provided with a concentrated solution pipeline which is communicated with a second generator through the second solution heat exchanger, the second generator is also provided with a concentrated solution pipeline which is communicated with a third generator, the third generator is also provided with a concentrated solution pipeline which is communicated with the absorber through the second solution pump and the solution heat exchanger, the 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 condenser, the condenser is also provided with a refrigerant liquid pipeline which is communicated with the third generator, then the third generator is provided with a refrigerant liquid pipeline which is communicated with the evaporator through a spray pipe, the second generator and the third generator are also respectively communicated with a second absorber through a refrigerant steam channel, the evaporator is also provided with a refrigerant steam channel which is communicated with the absorber through a dual-energy compressor, the generator and the high-temperature heat exchanger are also respectively communicated with the outside through a high-temperature heat medium pipeline, the absorber and the condenser are also respectively communicated with the outside through heated medium pipelines, the second generator and the evaporator are also respectively communicated with the outside through a low-temperature heat medium pipeline, the second absorber is also provided with a cooling medium pipeline which is communicated with the outside, and the expander is connected with the compressor and the dual-energy compressor and transmits power to form a thermal drive compression-absorption heat pump.
3. The heat-driven compression-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 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 third generator has a concentrated solution pipeline connected to the generator via the solution pump, the solution heat exchanger and the second solution heat exchanger, the 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 second generator via the solution heat exchanger, the second generator also has a concentrated solution pipeline connected to the third generator, the second generator and the third generator also have refrigerant vapor passage connected to the second condenser, the second condenser also has refrigerant liquid pipeline connected to the evaporator via the refrigerant liquid pump, the generator also has refrigerant vapor passage connected to the compressor, the compressor also has refrigerant vapor passage connected to the expander via the high temperature heat exchanger, the expander also has refrigerant vapor passage connected to the condenser, the third generator also has refrigerant liquid pipeline connected to the evaporator via the spray pipe after the condenser also has refrigerant liquid pipeline connected to the third generator, the evaporator also has refrigerant vapor passage connected to the absorber via the dual-energy compressor, the generator and the high temperature heat exchanger also have high temperature heat medium pipeline connected to the outside, the absorber and the condenser also have heated medium pipeline connected to the outside, the second generator and the evaporator also have a low temperature heat medium pipeline connected to the external heat exchanger, the compressor and the dual energy compressor, the absorption compressor also have a heat transfer pipeline connected to the external heat exchanger, and the compressor, and the absorber-driven double energy compressor, and the compressor.
4. 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 to 3, 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 the heat-driven compression-absorption heat pump is formed.
5. A heat-driven compression-absorption heat pump is characterized in that a second spray pipe and a second high-temperature heat exchanger are added in any one heat-driven compression-absorption heat pump in items 1 to 3, a compressor refrigerant steam channel is communicated with an expander through the high-temperature heat exchanger and 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 is also communicated with the outside through a high-temperature heat medium pipeline to form the heat-driven compression-absorption heat pump.
6. 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 one of the heat-driven compression-absorption heat pumps in items 1-3, a refrigerant steam channel of a compressor is communicated with an expander through the high-temperature heat exchanger and 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 is also communicated with the outside through a high-temperature heat medium pipeline to form the heat-driven compression-absorption heat pump.
Description of the drawings:
fig. 1 is a schematic view of the structure and flow of the 1 st 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 2 according to the present invention.
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 a 5 th structure and flow of the thermally driven compression-absorption heat pump according to the present invention.
Fig. 6 is a schematic view of a 6 th structure and flow of the thermally driven compression-absorption heat pump 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-dual-energy compressor, 10-refrigerant liquid pump, 11-solution pump, 12-second solution pump, 13-solution heat exchanger, 14-second solution heat exchanger, 15-second absorber; 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, a third generator, an absorber, a condenser, a second condenser, an evaporator, a spray pipe, a dual-energy compressor, a refrigerant liquid pump, a solution pump, a second solution pump, a solution heat exchanger, a second solution heat exchanger, a compressor, an expander and a high-temperature 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 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, the expander B is also provided with a refrigerant steam channel which is communicated with a 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 an evaporator 7 through a spray pipe 8, the second generator 2 and the third generator 3 are respectively communicated with a second condenser 6 through a refrigerant steam channel, the second condenser 6 is also communicated with an evaporator 7 through a refrigerant liquid pump 10 through a refrigerant liquid pipeline, the evaporator 7 is also communicated with an absorber 4 through a dual-energy compressor 9 through a dual-energy compressor, the generator 1 and the high-temperature heat exchanger C are respectively communicated with the outside through a high-temperature heat medium pipeline, the absorber 4 and the condenser 5 are respectively communicated with the outside through heated medium pipelines, the second generator 2 and the evaporator 7 are respectively communicated with the outside through a low-temperature heat medium pipeline, the second condenser 6 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 9 and transmits power.
(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 compressor a, 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 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, then enters the condenser 5 to release heat to a heated medium to form refrigerant liquid, the refrigerant liquid of the condenser 5 releases heat and reduces the temperature through the third generator 3, then enters the evaporator 7 through the spray pipe 8 to reduce the pressure and increase the speed, 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 the refrigerant liquid pump 10 to enter the evaporator 7, and the refrigerant liquid of the evaporator 7 obtains low-temperature heat load to form refrigerant steam; refrigerant steam generated by the evaporator 7 flows through the dual-energy compressor 9 to reduce the speed and increase the pressure, and then is supplied to the absorber 4; the work output by the expander B is provided for the compressor A and the dual-energy compressor 9 to be used as power, or the work output by the expander B is simultaneously provided for the compressor A, the dual-energy compressor 9 and external power, or the external power and the expander B jointly provide power for the compressor A and the dual-energy compressor 9 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, a third generator, an absorber, a condenser, an evaporator, a spray pipe, a dual-energy compressor, a solution pump, a second solution pump, a solution heat exchanger, a second absorber, a compressor, an expander and a high-temperature heat exchanger; 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 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 condenser 5, after the condenser 5 is also communicated with the third generator 3, the third generator 3 is further communicated with the evaporator 7 through a refrigerant liquid pipeline 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 dual-energy compressor 9, the generator 1 and the high-temperature heat exchanger C are also respectively communicated with the outside through high-temperature heat medium pipelines, the absorber 4 and the condenser 5 are also respectively communicated with the outside through heated medium pipelines, the second generator 2 and the evaporator 7 are also respectively communicated with the outside through low-temperature heat medium pipelines, the second absorber 15 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 9 and transmits power.
(2) In the flow, 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, releases refrigerant vapor and is provided for the compressor a, 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, heats the solution entering the generator 2, releases refrigerant vapor and is provided for the second absorber 15, the concentrated solution in the second generator 2 enters the third generator 3, absorbs heat, releases refrigerant vapor and is provided for the second absorber 15, and the concentrated solution in the third generator 3 enters the absorber 4 through the second solution pump 12 and the solution heat exchanger 13, absorbs refrigerant vapor and releases heat to the heated medium; refrigerant vapor flows through the compressor A to be boosted and heated, flows through the high-temperature heat exchanger C to absorb heat and be heated, flows through the expander B to be decompressed and work, then enters the condenser 5 to release 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 be cooled, the refrigerant liquid after being cooled is decompressed and accelerated through the spray pipe 8 to enter the evaporator 7 to obtain low-temperature heat load to form refrigerant vapor, and the refrigerant vapor released by the evaporator 7 flows through the dual-energy compressor 9 to be decelerated and boosted and then is provided for the absorber 4; the work output by the expander B is provided for the compressor A and the dual-energy compressor 9 to be used as power, or the work output by the expander B is simultaneously provided for the compressor A, the dual-energy compressor 9 and the external power, or the external power and the expander B jointly provide power for the compressor A and the dual-energy compressor 9 to form a heat-driven compression-absorption heat pump.
The thermally driven compression-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 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 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 compressor A, the compressor A is also provided with a refrigerant steam channel which is communicated with the refrigerant expander B through a high-temperature heat exchanger C, the expander B is also provided with a refrigerant steam channel communicated with the condenser 5, the condenser 5 is also provided with a refrigerant liquid pipeline communicated with the third generator 3, then the third generator 3 is further provided with a refrigerant liquid pipeline communicated with the evaporator 7 through a spray pipe 8, the evaporator 7 is also provided with a refrigerant steam channel communicated with the absorber 4 through a dual-energy compressor 9, the generator 1 and the high-temperature heat exchanger C are also respectively provided with a high-temperature heat medium pipeline communicated with the outside, the absorber 4 and the condenser 5 are respectively provided with a heated medium pipeline communicated with the outside, the second generator 2 and the evaporator 7 are respectively provided with a low-temperature heat medium pipeline communicated with the outside, the second condenser 6 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 9 and transmits power.
(2) In the process, a concentrated solution in a third generator 3 enters a generator 1 through a solution pump 11, a solution heat exchanger 13 and a second solution heat exchanger 14, a high-temperature heat medium flows through the generator 1, heats the solution entering the generator 1 to release refrigerant steam and is provided for a compressor A, the concentrated solution in the generator 1 enters an absorber 4 through the second solution heat exchanger 14, absorbs the refrigerant steam and releases heat to a heated medium, a dilute solution in the absorber 4 enters a second generator 2 through the solution heat exchanger 13, a low-temperature heat medium flows through the second generator 2, heats the solution entering the generator 2 to release the refrigerant steam and is provided for a second condenser 6, the concentrated solution in the second generator 2 enters the third generator 3, absorbs heat to release the refrigerant steam and is provided for the second condenser 6, the refrigerant steam in the second condenser 6 releases heat to a cooling medium to form refrigerant liquid, and the refrigerant liquid in the second condenser 6 is pressurized by a refrigerant liquid pump 10 and enters an evaporator 7; refrigerant vapor flows through the compressor A to be boosted and heated, flows through the high-temperature heat exchanger C to absorb heat and be heated, flows through the expander B to be decompressed and work, then enters the condenser 5 to release 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 be cooled, then enters the evaporator 7 through the spray pipe 8 to be decompressed and speeded up, the refrigerant liquid of the evaporator 7 obtains low-temperature heat load to form refrigerant vapor, and the refrigerant vapor released by the evaporator 7 flows through the dual-energy compressor 9 to be decelerated and pressurized and then is provided for the absorber 4; the work output by the expander B is provided for the compressor A and the dual-energy compressor 9 to be used as power, or the work output by the expander B is simultaneously provided for the compressor A, the dual-energy compressor 9 and the external power, or the external power and the expander B jointly provide power for the compressor A and the dual-energy compressor 9 to form a heat-driven compression-absorption heat pump.
The thermally driven compression-absorption heat pump shown in fig. 4 is realized by:
in the thermally driven compression-absorption heat pump shown in fig. 3, a heat regenerator is added, a refrigerant vapor channel of the compressor a is communicated with the expander B through a high-temperature heat exchanger C and adjusted to be communicated with the compressor a through a heat regenerator D and the high-temperature heat exchanger C, and a refrigerant vapor channel of the expander B is communicated with the 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 vapor channel of the expander B; refrigerant steam flows through the compressor A to increase the pressure and the temperature, flows through the heat regenerator D and the high-temperature heat exchanger C to gradually absorb heat and increase the temperature, flows through the expander B to reduce the pressure and do work, flows through the heat regenerator D to release heat and reduce the temperature, and then enters the condenser 5 to release heat and condense to form a heat-driven compression-absorption heat pump.
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. 3, a second spray pipe and a second high-temperature heat exchanger are added, a refrigerant vapor passage of the compressor a is communicated with the expander B through the high-temperature heat exchanger C and is adjusted to be communicated with the expander B through the refrigerant vapor passage of the compressor a, 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 through a high-temperature heat medium pipeline; refrigerant vapor 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 second spray pipe E to reduce pressure, increase speed and reduce temperature, flows through the second high-temperature heat exchanger F to absorb heat and increase temperature, flows through the expander B to reduce pressure and do work or reduce speed and reduce pressure and do work, and then enters the condenser 5 to release heat and condense to form heat to drive the compression-absorption heat pump.
The thermally driven compression-absorption heat pump shown in fig. 6 is realized by:
in the thermally driven compression-absorption heat pump shown in fig. 3, a second high-temperature heat exchanger and a diffuser pipe are added, and a refrigerant vapor passage of the compressor a is communicated with the expander B through the high-temperature heat exchanger C and adjusted to be communicated with the expander B through the refrigerant vapor passage of the compressor a, 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 a high-temperature heat medium pipeline; 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 diffuser pipe G to increase pressure and increase temperature and reduce speed, flows through the second high-temperature heat exchanger F to absorb heat and increase temperature, flows through the expander B to reduce pressure and do work, then enters the condenser 5 to release heat and condense, and forms a heat-driven compression-absorption heat pump.
The effect that the technology of the invention can realize-the heat drive compression-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 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 the refrigerant medium is reduced, and the selection of the working medium is facilitated.
(7) The heat boosting technology is reasonably utilized, the contradiction between heat supply parameters and solution performance is solved, 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 pumps are enriched, and efficient utilization of heat energy and mechanical energy is facilitated.
Claims (6)
1. The heat-driven compression-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 dual-energy compressor, a refrigerant liquid pump, a solution pump, a second solution pump, a solution heat exchanger, a second solution heat exchanger, a compressor, an expander and a high-temperature 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 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 condenser (5), the condenser (5) is also provided with a refrigerant liquid pipeline which is communicated with the third generator (3), the refrigerant liquid pipeline of the third generator (3) is communicated with the evaporator (7) through a spray pipe (8), the second generator (2) is also provided with a second evaporator (6), and a second evaporator (6) which are also communicated with the condenser (7), the generator (1) and the high-temperature heat exchanger (C) are respectively provided with a high-temperature heat medium pipeline communicated with the outside, the absorber (4) and the condenser (5) are respectively provided with a heated medium pipeline communicated with the outside, the second generator (2) and the evaporator (7) are respectively provided with a low-temperature heat medium pipeline communicated with the outside, the second condenser (6) 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 (9) and transmits power to form a heat-driven compression-absorption heat pump.
2. The heat-driven compression-absorption heat pump mainly comprises a generator, a second generator, a third generator, an absorber, a condenser, an evaporator, a spray pipe, a dual-energy compressor, a solution pump, a second solution pump, a solution heat exchanger, a second absorber, a compressor, an expander and a high-temperature heat exchanger; 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 vapor channel which is communicated with a refrigerant compressor (A), the compressor (A) is also provided with a refrigerant vapor channel which is communicated with an expander (B) through a high-temperature heat exchanger (C), the expander (B) is also provided with a refrigerant vapor channel which is communicated with a condenser (5), the condenser (5) is also provided with a refrigerant liquid pipeline which is communicated with the third generator (3) after being communicated with the third generator (3), the evaporator (7) is also provided with a refrigerant generator (7) through a refrigerant evaporator (7), and a second evaporator (7) and a refrigerant generator (7), the generator (1) and the high-temperature heat exchanger (C) are respectively provided with a high-temperature heat medium pipeline communicated with the outside, the absorber (4) and the condenser (5) are respectively provided with a heated medium pipeline communicated with the outside, the second generator (2) and the evaporator (7) are respectively provided with a low-temperature heat medium pipeline communicated with the outside, the second absorber (15) 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 (9) and transmits power to form a heat-driven compression-absorption heat pump.
3. The heat-driven compression-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 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 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 vapor 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 vapor channel which is communicated with the compressor (A), the compressor (A) is also provided with a refrigerant vapor channel which is communicated with the expander (B) through a high-temperature heat exchanger (C), the expander (B) is also provided with the vapor channel which is communicated with the condenser (5), the third generator (5) is also provided with the evaporator (7) and a third generator (3) which is also provided with a double-liquid pipeline which is communicated with the evaporator (7), the generator (1) and the high-temperature heat exchanger (C) are respectively provided with a high-temperature heat medium pipeline communicated with the outside, the absorber (4) and the condenser (5) are respectively provided with a heated medium pipeline communicated with the outside, the second generator (2) and the evaporator (7) are respectively provided with a low-temperature heat medium pipeline communicated with the outside, the second condenser (6) 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 (9) and transmits power to form a heat-driven compression-absorption heat pump.
4. A heat-driven compression-absorption heat pump is characterized in that a heat regenerator is added in any heat-driven compression-absorption heat pump in claims 1 to 3, 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 communicated with the condenser (5), and the heat-driven compression-absorption heat pump is formed.
5. A heat-driven compression-absorption heat pump is characterized in that a second spray pipe and a second high-temperature heat exchanger are added in any heat-driven compression-absorption heat pump in claims 1 to 3, a refrigerant steam channel of a compressor (A) is communicated with an expander (B) through the high-temperature heat exchanger (C) and adjusted to be communicated with the expander (B) through the refrigerant steam channel of the compressor (A) 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 through a high-temperature heat medium pipeline to form the heat-driven compression-absorption heat pump.
6. 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 claims 1 to 3, 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 refrigerant steam channel of the compressor (A) 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 a high-temperature heat medium pipeline to form the heat-driven compression-absorption heat pump.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020101844027 | 2020-03-04 | ||
| CN202010184402 | 2020-03-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115218549A true CN115218549A (en) | 2022-10-21 |
Family
ID=83605546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110263218.6A Pending CN115218549A (en) | 2020-03-04 | 2021-03-03 | Thermally driven compression-absorption heat pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115218549A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104807236A (en) * | 2014-03-30 | 2015-07-29 | 李华玉 | Class five absorption type heat pump |
| CN104807235A (en) * | 2014-03-24 | 2015-07-29 | 李华玉 | Fifth type absorption heat pump |
| CN105953464A (en) * | 2015-05-06 | 2016-09-21 | 李华玉 | Fourth kind thermal-driving compression-absorption type heat pump |
| CN106440493A (en) * | 2015-09-05 | 2017-02-22 | 李华玉 | Fourth-kind heat drive compression-absorption type 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 |
-
2021
- 2021-03-03 CN CN202110263218.6A patent/CN115218549A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104807235A (en) * | 2014-03-24 | 2015-07-29 | 李华玉 | Fifth type absorption heat pump |
| CN104807236A (en) * | 2014-03-30 | 2015-07-29 | 李华玉 | Class five absorption type heat pump |
| 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 |
| CN105953464A (en) * | 2015-05-06 | 2016-09-21 | 李华玉 | Fourth kind thermal-driving compression-absorption type heat pump |
| CN106440493A (en) * | 2015-09-05 | 2017-02-22 | 李华玉 | Fourth-kind heat drive compression-absorption type 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106016821B (en) | First-class thermally driven compression-absorption heat pump | |
| CN106440510B (en) | Second-class thermally-driven compression heat pump | |
| CN105841401B (en) | First-class thermally driven compression-absorption heat pump | |
| CN106247674B (en) | First-class thermally driven compression-absorption heat pump | |
| CN105953464B (en) | Fourth type thermal driving compression-absorption heat pump | |
| CN105928246B (en) | Fifth type thermal driving compression-absorption heat pump | |
| CN115218549A (en) | Thermally driven compression-absorption heat pump | |
| CN115218547A (en) | Thermally driven compression-absorption heat pump | |
| CN115218541A (en) | Thermally driven compression-absorption heat pump | |
| CN115200254A (en) | Thermally driven compression-absorption heat pump | |
| CN115218551A (en) | Thermally driven compression-absorption heat pump | |
| CN115218540A (en) | Compression-absorption heat pump | |
| CN115200255A (en) | Thermally driven compression-absorption heat pump | |
| CN115218550A (en) | Thermally driven compression-absorption heat pump | |
| CN115218548A (en) | Compression-absorption heat pump | |
| CN115218539A (en) | Thermally driven compression-absorption heat pump | |
| CN115218542A (en) | Compression-absorption heat pump | |
| CN105953463B (en) | First-class thermally driven compression-absorption heat pump | |
| CN106196710B (en) | First-class thermally driven compression-absorption heat pump | |
| CN115218535A (en) | Thermally driven compression-absorption heat pump | |
| CN115218536A (en) | Third/fourth type heat-driven absorption-compression heat pump | |
| CN115218544A (en) | First-class thermally driven compression-absorption heat pump | |
| CN115218543A (en) | Thermally driven compression-absorption heat pump | |
| CN115218537A (en) | Third and fourth class thermally driven absorption-compression heat pumps | |
| CN115218545A (en) | First-class thermally driven compression-absorption heat pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |