CN106369865B - Double-effect fourth-class and fifth-class absorption heat pump - Google Patents
Double-effect fourth-class and fifth-class absorption heat pump Download PDFInfo
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- CN106369865B CN106369865B CN201610820457.6A CN201610820457A CN106369865B CN 106369865 B CN106369865 B CN 106369865B CN 201610820457 A CN201610820457 A CN 201610820457A CN 106369865 B CN106369865 B CN 106369865B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B15/00—Sorption machines, plants or systems, operating continuously, e.g. absorption type
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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
- F25B30/00—Heat pumps
- F25B30/04—Heat pumps of the sorption type
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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 double-effect fourth-class and fifth-class absorption heat pump, and belongs to the technical field of absorption heat pumps. A generator, a second generator, a third generator, an absorber, a second absorber and a solution pump, the second solution pump, the third solution pump and the three solution heat exchangers form a solution circulating system, the generator is provided with a refrigerant steam channel communicated with a condenser, the second generator is provided with a refrigerant steam channel communicated with a third generator, the third generator is provided with a refrigerant liquid pipeline communicated with an evaporator through a heat supply device, a generator and a throttle valve, the third generator is provided with a refrigerant steam channel communicated with a second absorber, the condenser is communicated with the evaporator through a refrigerant liquid pump, the evaporator is provided with a refrigerant steam channel communicated with the absorber, the second absorber and the heat supply device are provided with heated medium channels communicated with the outside, the second generator is provided with a high-temperature heat medium channel, the condenser is provided with a cooling medium channel, and the evaporator is provided with a low-temperature heat medium channel respectively communicated with the outside to form a fourth-type absorption heat pump.
Description
The technical field is as follows:
the invention belongs to the technical field of absorption heat pumps.
Background art:
in the technical field of absorption heat pumps, when latent heat of refrigerant steam is small, the high-temperature generator releases the refrigerant steam and releases heat in a condenser to form refrigerant with high temperature and relatively large sensible heat, so that the performance index of the absorption heat pump is very low, the high-grade heat energy is unreasonably utilized, the effective utilization of low-temperature heat is influenced, and the application of the absorption heat pump in the field of high-temperature heat supply is greatly limited; the inventor recognizes the above problems and develops various new technical solutions to solve the above problems, and forms a plurality of series of the fourth type absorption heat pump and the fifth type absorption heat pump.
The inventor provides a double-effect fourth-class absorption heat pump and a double-effect fifth-class absorption heat pump aiming at the situation that a generator and a condenser finish the utilization of the temperature difference between part of high-temperature heat load and a cold environment (cooling medium) and a second generator and a second absorber finish the utilization of the temperature difference between part of high-temperature heat load and a heated medium, so as to enrich the fourth-class absorption heat pump and the fifth-class absorption heat pump and realize the multiple and step-by-step utilization of the high-temperature heat load under specific conditions.
The invention content is as follows:
the invention mainly aims to provide a double-effect fourth-class and fifth-class absorption heat pump, and the specific contents of the invention are explained in terms of the following:
1. the double-effect fourth-class absorption heat pump mainly comprises a generator, a second generator, a third generator, an absorber, a second absorber, a condenser, an evaporator, a refrigerant liquid pump, a solution pump, a second solution pump, a third solution pump, a solution heat exchanger, a second solution heat exchanger, a third solution heat exchanger, a throttle valve and a heat supplier; the generator is provided with a concentrated solution pipeline which is communicated with a second generator through a solution pump and a solution heat exchanger, the second generator is also provided with a concentrated solution pipeline which is communicated with an absorber through a second solution heat exchanger, the generator is also provided with a concentrated solution pipeline which is communicated with a third generator through a third solution pump, a solution heat exchanger and a third solution heat exchanger, the third generator is also provided with a concentrated solution pipeline which is communicated with the absorber through a third solution heat exchanger, the absorber is also provided with a dilute solution pipeline which is communicated with a second absorber through the second solution pump and the second solution heat exchanger, the second 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 second generator is also provided with a refrigerant steam channel which is communicated with the third generator, and then the third generator is provided with a refrigerant liquid pipeline which is communicated with an, the third generator is also provided with a refrigerant steam channel communicated with the second absorber, the condenser is also provided with a refrigerant liquid pipeline communicated with the evaporator through a refrigerant liquid pump, the evaporator is also provided with a refrigerant steam channel communicated with the absorber, the second generator is also provided with a high-temperature heat medium channel communicated with the outside, the absorber, the second absorber and the heat supply device are also respectively provided with a heated medium channel communicated with the outside, the condenser is also provided with a cooling medium channel communicated with the outside, and the evaporator is also provided with a low-temperature heat medium channel communicated with the outside to form the double-effect fourth-class absorption heat pump.
2. A double-effect fourth-class absorption heat pump is characterized in that in the double-effect fourth-class absorption heat pump in item 1, a high-temperature heat medium channel is additionally arranged in a third generator and is communicated with the outside to form the double-effect fourth-class absorption heat pump.
3. The double-effect fourth-class absorption heat pump mainly comprises a generator, a second generator, a third generator, an absorber, a second absorber, a condenser, an evaporator, a refrigerant liquid pump, a solution pump, a second solution pump, a solution heat exchanger, a second solution heat exchanger, a third solution heat exchanger, a throttle valve and a heat supplier; 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 third solution heat exchanger, the second generator is also provided with a concentrated solution pipeline which is communicated with a third generator through the third solution heat exchanger, the third 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 a second absorber through the second solution pump and the second solution heat exchanger, the second 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 third generator is also provided with a refrigerant steam channel which is communicated with the third generator, then the refrigerant liquid pipeline of the third generator is communicated with an evaporator through a heat supplier, the generator and a throttle valve, the third generator is also provided with a refrigerant steam channel which is communicated with the second absorber, the condenser is also provided with a refrigerant, the evaporator is also provided with a refrigerant steam channel communicated with the absorber, the second generator is also provided with a high-temperature heat medium channel communicated with the outside, the absorber, the second absorber and the heat supply device are also respectively provided with a heated medium channel communicated with the outside, the condenser is also provided with a cooling medium channel communicated with the outside, and the evaporator is also provided with a low-temperature heat medium channel communicated with the outside to form the double-effect fourth-class absorption heat pump.
4. A double-effect fourth-class absorption heat pump is characterized in that in the double-effect fourth-class absorption heat pump in item 3, a high-temperature heat medium channel is additionally arranged in a third generator and is communicated with the outside to form the double-effect fourth-class absorption heat pump.
5. The double-effect fourth-class absorption heat pump mainly comprises a generator, a second generator, a third generator, an absorber, a second absorber, a condenser, an evaporator, a refrigerant liquid pump, a solution pump, a second solution pump, a third solution pump, a solution heat exchanger, a second solution heat exchanger, a third solution heat exchanger, a throttle valve and a heat supplier; the generator is provided with a concentrated solution pipeline which is communicated with a third generator through a solution pump and a solution heat exchanger, the third generator is also provided with a concentrated solution pipeline which is communicated with a second generator through a third solution pump and a third solution heat exchanger, the second generator is also provided with a concentrated solution pipeline which is communicated with an absorber through a third solution heat exchanger and a second solution heat exchanger, the absorber is also provided with a dilute solution pipeline which is communicated with a second absorber through a second solution pump and a second solution heat exchanger, the second 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 third generator is further provided with a refrigerant liquid pipeline which is communicated with an evaporator through a heat supplier, a generator and a throttle valve after the second generator is communicated with the third generator, the third generator is also provided with a refrigerant steam channel which is communicated with the second generator, the condenser is also provided with a refrigerant liquid pipeline which is communicated with, the evaporator is also provided with a refrigerant steam channel communicated with the absorber, the second generator is also provided with a high-temperature heat medium channel communicated with the outside, the absorber, the second absorber and the heat supply device are also respectively provided with a heated medium channel communicated with the outside, the condenser is also provided with a cooling medium channel communicated with the outside, and the evaporator is also provided with a low-temperature heat medium channel communicated with the outside to form the double-effect fourth-class absorption heat pump.
6. A double-effect absorption heat pump of the fourth kind is characterized in that in the double-effect absorption heat pump of the fourth kind in the item 5, a high-temperature heat medium channel is additionally arranged in a third generator and is communicated with the outside to form the double-effect absorption heat pump of the fourth kind.
7. A double-effect fourth-class absorption heat pump is characterized in that in any one of the double-effect fourth-class absorption heat pumps described in items 1-6, a third generator is communicated with an evaporator through a heat supply device, a generator and a throttle valve, and is adjusted to be communicated with the evaporator through a third generator refrigerant liquid pipeline, and the third generator refrigerant liquid pipeline is communicated with the evaporator through the heat supply device and the generator to form the double-effect fourth-class absorption heat pump.
8. A double-effect fifth-class absorption heat pump is characterized in that in any one of the double-effect fourth-class absorption heat pumps in items 1-7, a generator is additionally provided with a low-temperature heat medium channel communicated with the outside to form the double-effect absorption heat pump.
Description of the drawings:
figure 1 is a schematic view of a structure and a flow diagram of a 1 st double-effect fourth-type absorption heat pump according to the present invention.
Figure 2 is a schematic view of the structure and flow diagram of the second type of double effect absorption heat pump of the fourth type 2 according to the present invention.
Figure 3 is a schematic view of the structure and flow diagram of the type 3 double effect absorption heat pump of the fourth type according to the present invention.
Figure 4 is a schematic diagram of the structure and flow of the double-effect fifth-type absorption heat pump according to the present invention.
In the figure, 1-generator, 2-second generator, 3-third generator, 4-absorber, 5-second absorber, 6-condenser, 7-evaporator, 8-refrigerant liquid pump, 9-solution pump, 10-second solution pump, 11-third solution pump, 12-solution heat exchanger, 13-second solution heat exchanger, 14-third solution heat exchanger, 15-throttle valve, 16-heat supplier;
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 double-effect fourth-type absorption heat pump shown in the figure 1 is realized by the following steps:
(1) structurally, the system mainly comprises a generator, a second generator, a third generator, an absorber, a second absorber, a condenser, an evaporator, a refrigerant liquid pump, a solution pump, a second solution pump, a third solution pump, a solution heat exchanger, a second solution heat exchanger, a third solution heat exchanger and a heat supplier; the generator 1 is provided with a concentrated solution pipeline which is communicated with the second generator 2 through a solution pump 9 and a solution heat exchanger 12, the second generator 2 is also provided with a concentrated solution pipeline which is communicated with the absorber 4 through a second solution heat exchanger 13, the generator 1 is also provided with a concentrated solution pipeline which is communicated with the third generator 3 through a third solution pump 11, a solution heat exchanger 12 and a third solution heat exchanger 14, the third generator 3 is also provided with a concentrated solution pipeline which is communicated with the absorber 4 through a third solution heat exchanger 14, the absorber 4 is also provided with a dilute solution pipeline which is communicated with the second absorber 5 through a second solution pump 10 and a second solution heat exchanger 13, the second absorber 5 is also provided with a dilute solution pipeline which is communicated with the generator 1 through the solution heat exchanger 12, the generator 1 is also provided with a steam channel which is communicated with the condenser 6, the second generator 2 is also provided with a refrigerant steam channel which is communicated with the third generator 3, and the third generator 3 is also provided with a refrigerant liquid pipeline which is communicated with the evaporator 7 through a, the third generator 3 is also provided with a refrigerant steam channel communicated with the second absorber 5, the condenser 6 is also provided with a refrigerant liquid pipeline communicated with the evaporator 7 through a refrigerant liquid pump 8, the evaporator 7 is also provided with a refrigerant steam channel communicated with the absorber 4, the second generator 2 is also provided with a high-temperature heat medium channel communicated with the outside, the absorber 4, the second absorber 5 and the heat supplier 16 are also respectively provided with a heated medium channel communicated with the outside, the condenser 6 is also provided with a cooling medium channel communicated with the outside, and the evaporator 7 is also provided with a low-temperature heat medium channel communicated with the outside.
(2) In the flow, the concentrated solution of the generator 1 is divided into two paths, wherein the first path enters the second generator 2 through the solution pump 9 and the solution heat exchanger 12, and the second path enters the third generator 3 through the third solution pump 11, the solution heat exchanger 12 and the third solution heat exchanger 14; the high-temperature heat medium flows through the second generator 2, heats the solution entering the second generator 2 to release refrigerant steam and is supplied to the third generator 3 as a driving heat medium, and the concentrated solution in the second generator 2 enters the absorber 4 through the second solution heat exchanger 13, absorbs the refrigerant steam and releases heat to the heated medium; the refrigerant steam flows through the third generator 3, heats the solution entering the third generator to release the refrigerant steam and provide the refrigerant steam to the second absorber 5, and the concentrated solution in the third generator 3 enters the absorber 4 through the third solution heat exchanger 14, absorbs the refrigerant steam and releases heat to the heated medium; the dilute solution of the absorber 4 enters the second absorber 5 through the second solution pump 10 and the second solution heat exchanger 13, absorbs refrigerant vapor and releases heat to the heated medium, and the dilute solution of the second absorber 5 enters the generator 1 through the solution heat exchanger 12, absorbs heat, releases refrigerant vapor and provides the refrigerant vapor to the condenser 6; the refrigerant steam flowing through the third generator 3 releases heat to form refrigerant liquid, the refrigerant liquid flows through the heat supply device 16 and the generator 1 to gradually release heat and reduce pressure, and then enters the evaporator 7 to absorb heat to form refrigerant steam and provide the refrigerant steam to the absorber 4; the refrigerant steam of the condenser 6 releases heat to the cooling medium to form refrigerant liquid, the refrigerant liquid of the condenser 6 is pressurized by the refrigerant liquid pump 8 to enter the evaporator 6, absorbs heat to form refrigerant steam and provides the refrigerant steam for the absorber 4, and the double-effect fourth-class absorption heat pump is formed.
The double-effect fourth-type absorption heat pump shown in fig. 2 is realized by the following steps:
(1) structurally, the system mainly comprises a generator, a second generator, a third generator, an absorber, a second absorber, a condenser, an evaporator, a refrigerant liquid pump, a solution pump, a second solution pump, a solution heat exchanger, a second solution heat exchanger, a third solution heat exchanger, a throttle valve and a heat supplier; the generator 1 is provided with a concentrated solution pipeline which is communicated with the second generator 2 through a solution pump 9, a solution heat exchanger 12 and a third solution heat exchanger 14, the second generator 2 is also provided with a concentrated solution pipeline which is communicated with the third generator 3 through the third solution heat exchanger 14, the third generator 3 is also provided with a concentrated solution pipeline which is communicated with the absorber 4 through a second solution heat exchanger 13, the absorber 4 is also provided with a dilute solution pipeline which is communicated with the second absorber 5 through a second solution pump 10 and a second solution heat exchanger 13, the second absorber 5 is also provided with a dilute solution pipeline which is communicated with the generator 1 through the solution heat exchanger 12, the generator 1 is also provided with a refrigerant steam channel which is communicated with the condenser 6, the second generator 2 is also provided with a refrigerant steam channel which is communicated with the third generator 3, then the third generator 3 is provided with a refrigerant liquid pipeline which is communicated with the evaporator 7 through a heat supplier 16, the generator 1 and a throttle valve 15, the third generator 3 is also provided with a refrigerant steam channel which is communicated, the condenser 6 is also provided with a refrigerant liquid pipeline which is communicated with the evaporator 7 through a refrigerant liquid pump 8, the evaporator 7 is also provided with a refrigerant steam channel which is communicated with the absorber 4, the second generator 2 is also provided with a high-temperature heat medium channel which is communicated with the outside, the absorber 4, the second absorber 5 and the heat supplier 16 are also respectively provided with a heated medium channel which is communicated with the outside, the condenser 6 is also provided with a cooling medium channel which is communicated with the outside, and the evaporator 7 is also provided with a low-temperature heat medium channel which is communicated with the outside.
(2) In the process, the concentrated solution of the generator 1 enters the second generator 2 through the solution pump 9, the solution heat exchanger 12 and the third solution heat exchanger 14, the high-temperature heat medium flows through the second generator 2, heats the solution entering the second generator 2 to release refrigerant steam and provides the refrigerant steam to the third generator 3 as a driving heat medium, the concentrated solution of the second generator 2 enters the third generator 3 through the third solution heat exchanger 14, the refrigerant steam flows through the third generator 3, heats the solution entering the third generator to release refrigerant steam and provides the refrigerant steam to the second absorber 5, the concentrated solution of the third generator 3 enters the absorber 4 through the second solution heat exchanger 13, absorbs the refrigerant steam and releases heat to the heated medium, the dilute solution of the absorber 4 enters the second absorber 5 through the second solution pump 10 and the second solution heat exchanger 13, absorbs the refrigerant steam and releases heat to the heated medium, the dilute solution of the second absorber 5 enters the generator 1 through the solution heat exchanger 12, Absorbs heat to release refrigerant vapor and provides the refrigerant vapor to the condenser 6; the refrigerant steam flowing through the third generator 3 releases heat to form refrigerant liquid, the refrigerant liquid flows through the heat supply device 16 and the generator 1 and gradually releases heat, and then enters the evaporator 7 through the throttling valve 15 for throttling and pressure reduction, absorbs heat to form refrigerant steam and provides the refrigerant steam for the absorber 4; the refrigerant steam of the condenser 6 releases heat to the cooling medium to form refrigerant liquid, the refrigerant liquid of the condenser 6 is pressurized by the refrigerant liquid pump 8 to enter the evaporator 6, absorbs heat to form refrigerant steam and provides the refrigerant steam for the absorber 4, and the double-effect fourth-class absorption heat pump is formed.
The double-effect fourth-type absorption heat pump shown in fig. 3 is realized by the following steps:
(1) structurally, the system mainly comprises a generator, a second generator, a third generator, an absorber, a second absorber, a condenser, an evaporator, a refrigerant liquid pump, a solution pump, a second solution pump, a third solution pump, a solution heat exchanger, a second solution heat exchanger, a third solution heat exchanger, a throttle valve and a heat supplier; the generator 1 is provided with a concentrated solution pipeline which is communicated with a third generator 3 through a solution pump 9 and a solution heat exchanger 12, the third generator 3 is also provided with a concentrated solution pipeline which is communicated with a second generator 2 through a third solution pump 11 and a third solution heat exchanger 14, the second generator 2 is also provided with a concentrated solution pipeline which is communicated with an absorber 4 through a third solution heat exchanger 14 and a second solution heat exchanger 13, the absorber 4 is also provided with a dilute solution pipeline which is communicated with a second absorber 5 through a second solution pump 10 and a second solution heat exchanger 13, the second absorber 5 is also provided with a dilute solution pipeline which is communicated with the generator 1 through the solution heat exchanger 12, the generator 1 is also provided with a refrigerant steam channel which is communicated with a condenser 6, the third generator 3 is communicated with the third generator 3 through a refrigerant liquid pipeline which is communicated with an evaporator 7 through a heat supplier 16, the generator 1 and a throttle valve 15, the third generator 3 is also provided with a refrigerant steam channel communicated with the second absorber 5, the condenser 6 is also provided with a refrigerant liquid pipeline communicated with the evaporator 7 through a refrigerant liquid pump 8, the evaporator 7 is also provided with a refrigerant steam channel communicated with the absorber 4, the second generator 2 is also provided with a high-temperature heat medium channel communicated with the outside, the absorber 4, the second absorber 5 and the heat supplier 16 are also respectively provided with a heated medium channel communicated with the outside, the condenser 6 is also provided with a cooling medium channel communicated with the outside, and the evaporator 7 is also provided with a low-temperature heat medium channel communicated with the outside.
(2) In the flow, the concentrated solution in the generator 1 enters the third generator 3 through the solution pump 9 and the solution heat exchanger 12, the refrigerant vapor flows through the third generator 3, heats the solution entering the third generator 3 to release the refrigerant vapor and provide the refrigerant vapor to the second absorber 5, the concentrated solution in the third generator 3 enters the second generator 2 through the third solution pump 11 and the third solution heat exchanger 14, the high-temperature heat medium flows through the second generator 2, heats the solution entering the second generator 2 to release the refrigerant vapor and provide the refrigerant vapor to the third generator 3 as the driving heat medium, the concentrated solution in the second generator 2 enters the absorber 4 through the third solution heat exchanger 14 and the second solution heat exchanger 13, absorbs the refrigerant vapor and releases heat to the heated medium, the dilute solution in the absorber 4 enters the second generator 5 through the second solution pump 10 and the second solution heat exchanger 13, absorbs the refrigerant vapor and releases heat to the heated medium of the absorber, the dilute solution of the second absorber 5 enters the generator 1 through the solution heat exchanger 12, absorbs heat to release refrigerant vapor and is provided to the condenser 6; the refrigerant steam flowing through the third generator 3 releases heat to form refrigerant liquid, the refrigerant liquid flows through the heat supply device 16 and the generator 1 and gradually releases heat, and then enters the evaporator 7 through the throttling valve 15 for throttling and pressure reduction, absorbs heat to form refrigerant steam and provides the refrigerant steam for the absorber 4; the refrigerant steam of the condenser 6 releases heat to the cooling medium to form refrigerant liquid, the refrigerant liquid of the condenser 6 is pressurized by the refrigerant liquid pump 8 to enter the evaporator 6, absorbs heat to form refrigerant steam and provides the refrigerant steam for the absorber 4, and the double-effect fourth-class absorption heat pump is formed.
The double-effect fifth-type absorption heat pump shown in fig. 4 is realized by the following steps:
in the double-effect fourth-class absorption heat pump shown in fig. 3, a third generator 3 is additionally provided with a high-temperature heat medium channel communicated with the outside, and a generator 1 is additionally provided with a low-temperature heat medium channel communicated with the outside; the refrigerant steam and the high-temperature heat medium respectively flow through the third generator 3, heat the solution entering the third generator to release the refrigerant steam and provide the refrigerant steam to the second absorber 5, and the refrigerant liquid and the low-temperature heat medium respectively flow through the generator 1, heat the solution entering the third generator to release the refrigerant steam and provide the refrigerant steam to the condenser 6, so that the double-effect fifth-class absorption heat pump is formed.
The effect that the technology of the invention can realize-the double-effect fourth and fifth absorption heat pumps provided by the invention have the following effects and advantages:
(1) three double-effect fourth-class absorption heat pumps and three double-effect fifth-class absorption heat pumps are provided, and the absorption heat pump technology is enriched.
(2) The negative influence of the high-temperature refrigerant liquid on the waste heat utilization degree can be well solved, and the performance index and the heat energy utilization efficiency of the absorption heat pump are obviously improved.
(3) The utilization degree of the temperature difference is expanded to a low-temperature environment, the utilization level of the temperature difference is further improved, and the performance index reduction caused by the heat energy released to the environment by the refrigerant liquid is inhibited and compensated.
(4) The effective utilization of the high-temperature heat load is improved, the utilization degree of the low-temperature heat load is improved, or the low-temperature heat resource at lower temperature can be utilized.
(5) Various specific technical schemes are provided, the application range of the absorption heat pump can be expanded, and the absorption heat pump is favorably and better adopted to realize the full utilization of the temperature difference.
Claims (8)
1. The double-effect fourth-class absorption heat pump mainly comprises a generator, a second generator, a third generator, an absorber, a second absorber, a condenser, an evaporator, a refrigerant liquid pump, a solution pump, a second solution pump, a third solution pump, a solution heat exchanger, a second solution heat exchanger, a third solution heat exchanger, a throttle valve and a heat supplier; the generator (1) is provided with a concentrated solution pipeline which is communicated with the second generator (2) through a solution pump (9) and a solution heat exchanger (12), the second generator (2) is also provided with a concentrated solution pipeline which is communicated with the absorber (4) through a second solution heat exchanger (13), the generator (1) is also provided with a concentrated solution pipeline which is communicated with the third generator (3) through a third solution pump (11), a solution heat exchanger (12) and a third solution heat exchanger (14), the third generator (3) is also provided with a concentrated solution pipeline which is communicated with the absorber (4) through a third solution heat exchanger (14), the absorber (4) is also provided with a dilute solution pipeline which is communicated with the second absorber (5) through a second solution pump (10) and a second solution heat exchanger (13), the second absorber (5) is also provided with a dilute solution pipeline which is communicated with the generator (1) through the solution heat exchanger (12), and the generator (1) is also provided with a refrigerant steam channel which is communicated with the condenser (6), the second generator (2) is also provided with a refrigerant steam channel which is communicated with the third generator (3), then the third generator (3) is communicated with the evaporator (7) through a heat supplier (16), the generator (1) and a throttle valve (15), the third generator (3) is also provided with a refrigerant steam channel which is communicated with the second absorber (5), the condenser (6) is also provided with a refrigerant liquid pipeline which is communicated with the evaporator (7) through a refrigerant liquid pump (8), the evaporator (7) is also provided with a refrigerant steam channel which is communicated with the absorber (4), the second generator (2) is also provided with a high-temperature heat medium channel which is communicated with the outside, the absorber (4), the second absorber (5) and the heat supplier (16) are also provided with heated medium channels which are communicated with the outside respectively, the condenser (6) is also provided with a cooling medium channel which is communicated with the outside, the evaporator (7) is also provided with a low-temperature heat medium channel which is communicated with the outside, forming a double-effect fourth-class absorption heat pump.
2. A double-effect fourth-class absorption heat pump is characterized in that a high-temperature heat medium channel is additionally arranged in a third generator (3) and communicated with the outside to form the double-effect fourth-class absorption heat pump in claim 1.
3. The double-effect fourth-class absorption heat pump mainly comprises a generator, a second generator, a third generator, an absorber, a second absorber, a condenser, an evaporator, a refrigerant liquid pump, a solution pump, a second solution pump, a solution heat exchanger, a second solution heat exchanger, a third solution heat exchanger, a throttle valve and a heat supplier; the generator (1) is provided with a concentrated solution pipeline which is communicated with the second generator (2) through a solution pump (9), a solution heat exchanger (12) and a third solution heat exchanger (14), the second generator (2) is also provided with a concentrated solution pipeline which is communicated with the third generator (3) through the third solution heat exchanger (14), the third generator (3) is also provided with a concentrated solution pipeline which is communicated with the absorber (4) through a second solution heat exchanger (13), the absorber (4) is also provided with a dilute solution pipeline which is communicated with the second absorber (5) through a second solution pump (10) and a second solution heat exchanger (13), the second absorber (5) is also provided with a dilute solution pipeline which is communicated with the generator (1) through the solution heat exchanger (12), the generator (1) is also provided with a refrigerant steam channel which is communicated with the condenser (6), the second generator (2) is also provided with a refrigerant steam channel which is communicated with the third generator (3), and then the third generator (3) is provided with a refrigerant liquid pipeline through a heat supplier (16), The generator (1) and the throttle valve (15) are communicated with the evaporator (7), the third generator (3) is also communicated with the second absorber (5) through a refrigerant steam channel, the condenser (6) is also communicated with the evaporator (7) through a refrigerant liquid pump (8) through a refrigerant liquid pipeline, the evaporator (7) is also communicated with the absorber (4) through a refrigerant steam channel, the second generator (2) is also communicated with the outside through a high-temperature heat medium channel, the absorber (4), the second absorber (5) and the heat supply device (16) are also respectively communicated with the outside through a heated medium channel, the condenser (6) is also communicated with the outside through a cooling medium channel, and the evaporator (7) is also communicated with the outside through a low-temperature heat medium channel to form a double-effect fourth-type absorption heat pump.
4. A double-effect fourth-class absorption heat pump is characterized in that a high-temperature heat medium channel is additionally arranged in a third generator (3) and communicated with the outside to form the double-effect fourth-class absorption heat pump in claim 3.
5. The double-effect fourth-class absorption heat pump mainly comprises a generator, a second generator, a third generator, an absorber, a second absorber, a condenser, an evaporator, a refrigerant liquid pump, a solution pump, a second solution pump, a third solution pump, a solution heat exchanger, a second solution heat exchanger, a third solution heat exchanger, a throttle valve and a heat supplier; the generator (1) is provided with a concentrated solution pipeline which is communicated with a third generator (3) through a solution pump (9) and a solution heat exchanger (12), the third generator (3) is also provided with a concentrated solution pipeline which is communicated with a second generator (2) through a third solution pump (11) and a third solution heat exchanger (14), the second generator (2) is also provided with a concentrated solution pipeline which is communicated with an absorber (4) through a third solution heat exchanger (14) and a second solution heat exchanger (13), the absorber (4) is also provided with a dilute solution pipeline which is communicated with a second absorber (5) through a second solution pump (10) and a second solution heat exchanger (13), the second absorber (5) is also provided with a dilute solution pipeline which is communicated with the generator (1) through the solution heat exchanger (12), the generator (1) is also provided with a refrigerant steam channel which is communicated with a condenser (6), the second generator (2) is also provided with a refrigerant steam channel which is communicated with the third generator (3), and the refrigerant liquid pipeline of the third generator (3) is provided with a refrigerant steam channel The heat generator (16), the generator (1) and the throttle valve (15) are communicated with the evaporator (7), the third generator (3) is also communicated with the second absorber (5) through a refrigerant steam channel, the condenser (6) is also communicated with the evaporator (7) through a refrigerant liquid pump (8), the evaporator (7) is also communicated with the absorber (4) through a refrigerant steam channel, the second generator (2) is also communicated with the outside through a high-temperature heat medium channel, the absorber (4), the second absorber (5) and the heat supply device (16) are also respectively communicated with the outside through a heated medium channel, the condenser (6) is also communicated with the outside through a cooling medium channel, and the evaporator (7) is also communicated with the outside through a low-temperature heat medium channel to form a double-effect fourth-type absorption heat pump.
6. A double-effect fourth-class absorption heat pump is characterized in that a high-temperature heat medium channel is additionally arranged in a third generator (3) and communicated with the outside to form the double-effect fourth-class absorption heat pump in claim 5.
7. A double-effect fourth-class absorption heat pump is characterized in that in any one of the double-effect fourth-class absorption heat pumps disclosed by claims 1-6, a third generator (3) is communicated with an evaporator (7) through a heat supply device (16), the generator (1) and a throttle valve (15) and is adjusted to be communicated with the evaporator (7) through the heat supply device (16) and the generator (1), so that the double-effect fourth-class absorption heat pump is formed.
8. A double-effect fifth-class absorption heat pump is characterized in that in any one of the double-effect fourth-class absorption heat pumps disclosed by claims 1-7, a low-temperature heat medium channel is additionally arranged in a generator (1) and communicated with the outside to form the double-effect fifth-class absorption heat pump.
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| CN201610389430 | 2016-05-30 | ||
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| US8511111B2 (en) * | 2005-06-10 | 2013-08-20 | Michael A. Lambert | Automotive adsorption heat pump |
| US20100043462A1 (en) * | 2008-06-10 | 2010-02-25 | Oxicool, Inc. | Air Conditioning System |
| JP6044236B2 (en) * | 2012-09-28 | 2016-12-14 | 株式会社豊田中央研究所 | Water heater |
| CN104807238B (en) * | 2014-03-24 | 2017-07-21 | 李华玉 | 4th class absorption heat pump and the 5th class absorption heat pump |
| CN104807239B (en) * | 2014-03-27 | 2018-05-08 | 李华玉 | 4th class absorption heat pump and the 5th class absorption heat pump |
| CN104807241B (en) * | 2014-03-30 | 2017-10-13 | 李华玉 | 4th class absorption heat pump and the 5th class absorption heat pump |
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