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CN-121993922-A - Steam generation system based on injection-absorption heat pump

CN121993922ACN 121993922 ACN121993922 ACN 121993922ACN-121993922-A

Abstract

The invention provides a steam generation system based on an injection-absorption heat pump, and belongs to the technical field of refrigeration and heat pumps. The absorber is communicated with the generator through the solution pump and the solution heat exchanger, the generator is communicated with the absorber through the solution heat exchanger, the generator is communicated with the condenser, the condenser is communicated with the evaporator through the throttle valve, the evaporator is communicated with the low-pressure steam inlet of the ejector, the condenser is communicated with the steam generator through the booster pump, the steam generator is communicated with the high-pressure steam inlet of the ejector, the ejector is also communicated with the absorber through the medium-pressure refrigerant steam channel, the outside is provided with a working steam channel which is communicated with the high-pressure steam inlet of the second ejector, the outside is provided with a heated medium channel which is communicated with the low-pressure steam inlet of the second ejector after passing through the absorber and the condenser, the second ejector is provided with a user steam channel which is communicated with the outside, and the steam generator and the generator are provided with a low-temperature heat medium channel and the evaporator are respectively communicated with the outside, so as to form a steam generating system based on the jet-absorption heat pump.

Inventors

  • LI HUAYU
  • LI HONGRUI

Assignees

  • 李华玉

Dates

Publication Date
20260508
Application Date
20260110
Priority Date
20250115

Claims (18)

  1. 1. The vapor generation system based on the injection-absorption heat pump mainly comprises an absorber, a solution pump, a solution heat exchanger, a generator, a condenser, a throttle valve, an evaporator, a booster pump, a vapor generator, an ejector and a second ejector, wherein the absorber (1) is provided with a dilute solution pipeline which is communicated with the generator (4) through the solution pump (2) and the solution heat exchanger (3), the generator (4) is also provided with a concentrated solution pipeline which is communicated with the absorber (1) through the solution heat exchanger (3), the generator (4) is also provided with a refrigerant vapor channel which is communicated with the condenser (5), the condenser (5) is also provided with a condensate pipeline which is communicated with the evaporator (7) through the throttle valve (6), the evaporator (7) is also provided with a low-pressure vapor introducing port which is communicated with the ejector (10), the condenser (5) is also provided with a condensate pipeline which is communicated with the vapor generator (9) through the booster pump (8), the vapor generator (9) is also provided with a high-pressure vapor inlet which is communicated with the ejector (10), the ejector (10) is also provided with a medium-pressure refrigerant vapor channel which is also communicated with the absorber (1), the second ejector (11) is also communicated with the second ejector (11) through the second ejector, the steam generator (9) and the generator (4) are respectively provided with a high-temperature heat 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, so that a steam generating system based on the injection-absorption heat pump is formed.
  2. 2. In the steam generating system based on the injection-absorption heat pump, in the steam generating system based on the injection-absorption heat pump according to claim 1, a working steam channel which is externally communicated with a high-pressure steam inlet of a second injector (11) is canceled, a second booster pump (12) is added, a liquid medium channel is externally communicated with a steam generator (9) through the second booster pump (12), and a refrigerant steam channel is additionally arranged on the steam generator (9) to be communicated with the high-pressure steam inlet of the second injector (11), so that the steam generating system based on the injection-absorption heat pump is formed.
  3. 3. In the steam generating system based on the injection-absorption heat pump, in the steam generating system based on the injection-absorption heat pump according to claim 1, a working steam channel which is externally communicated with a high-pressure steam inlet of a second injector (11) is omitted, a second booster pump (12) and a second steam generator (13) are added, a liquid medium channel is externally communicated with the second steam generator (13) through the second booster pump (12), the second steam generator (13) is also communicated with a high-pressure steam inlet of the second injector (11) through a refrigerant steam channel, and the second steam generator (13) is also communicated with the outside through a high-temperature medium channel to form the steam generating system based on the injection-absorption heat pump.
  4. 4. In the steam generating system based on the injection-absorption heat pump, a second generator, a second throttle valve, a second solution pump and a second solution heat exchanger are added in any one of the steam generating systems based on the injection-absorption heat pump according to claims 1-3, a dilute solution pipeline is additionally arranged in the absorber (1) and is communicated with the second generator (14) through the second solution pump (16) and the second solution heat exchanger (17), the second generator (14) is also communicated with the absorber (1) through the second solution heat exchanger (17), the communication of a refrigerant steam channel of the generator (4) with the condenser (5) is adjusted to be that the refrigerant steam channel of the generator (4) is communicated with the second generator (14), and then the second generator (14) is further communicated with the condenser (5) through the second throttle valve (15), so that the steam generating system based on the injection-absorption heat pump is formed, or the second generator (14) is additionally communicated with an external high-temperature heat medium.
  5. 5. In the steam generating system based on the injection-absorption heat pump, a second generator, a second throttle valve and a second solution heat exchanger are added in any one of the steam generating systems based on the injection-absorption heat pump according to the claims 1-3, the connection between the absorber (1) and the generator (4) through the solution pump (2) and the solution heat exchanger (3) is adjusted to be that the absorber (1) is provided with the dilute solution pipeline through the solution pump (2), the solution heat exchanger (3) and the second solution heat exchanger (17) is connected with the generator (4), the generator (4) is provided with the concentrated solution pipeline through the solution heat exchanger (3) and the absorber (1) is adjusted to be that the generator (4) is provided with the concentrated solution pipeline through the second solution heat exchanger (17) and the second generator (14), the second generator (14) is further provided with the concentrated solution pipeline through the solution heat exchanger (3) and the absorber (1), the generator (4) is provided with the refrigerant steam channel and the condenser (5) is adjusted to be that the generator (4) is provided with the refrigerant steam channel and the second generator (14) through the solution heat exchanger (3) and the second generator (14) is further connected with the second generator (14) through the second throttle valve (14) and the second generator (5) is further connected with the condensate heat pump (5) through the second throttle valve, or the second generator (14) is additionally provided with a high-temperature heat medium channel which is communicated with the outside.
  6. 6. In the steam generating system based on the injection-absorption heat pump, a second generator, a second throttle valve, a second solution pump and a second solution heat exchanger are added in any one of the steam generating systems based on the injection-absorption heat pump according to the claims 1-3, the connection between the absorber (1) and the generator (4) through the solution pump (2) and the solution heat exchanger (3) is adjusted to be that the absorber (1) is provided with a thin solution pipeline, the second generator (14) is further connected with the second generator (14) through the solution pump (2) and the solution heat exchanger (3), the second generator (14) is further connected with the generator (4) through the second solution pump (16) and the second solution heat exchanger (17), the generator (4) is connected with the absorber (1) through the solution heat exchanger (3) through the solution heat exchanger (17) to be adjusted to be that the generator (4) is provided with a thick solution pipeline, the generator (4) is connected with the condenser (1) through the second solution heat exchanger (3) through the solution heat exchanger (17), the generator (4) is connected with a refrigerant steam channel and the condenser (5) through the second solution heat exchanger (5) to be that the second generator (14) is further connected with the second generator (14) through the second solution heat exchanger (17) and the second condenser (14) through the second throttle valve (14), and forming a steam generating system based on the injection-absorption heat pump, wherein a high-temperature heat medium channel is additionally arranged on the second generator (14) and communicated with the outside.
  7. 7. In any one of the steam generating systems based on the injection-absorption heat pump according to the claims 1-3, a second generator, a second solution pump, a second solution heat exchanger and a second absorber are added, the connection between the absorber (1) and the generator (4) through the solution pump (2) and the solution heat exchanger (3) is adjusted to be that the absorber (1) is provided with a thin solution pipeline which is connected with the second absorber (18) through the solution pump (2) and the solution heat exchanger (3), the second absorber (18) is further provided with a thin solution pipeline which is connected with the generator (4) through the second solution pump (16) and the second solution heat exchanger (17), the generator (4) is connected with the absorber (1) through the solution heat exchanger (3) to be adjusted to be that the generator (4) is provided with a thick solution pipeline which is connected with the second generator (14) through the second solution heat exchanger (17), the second generator (14) is further provided with a thick solution pipeline which is connected with the absorber (1) through the solution heat exchanger (3), the second generator (14) is further connected with the second generator (14) through the second solution heat exchanger (17), the second generator (14) is also connected with the second absorber (14) through the high-temperature medium channel, the low-pressure steam inlet of the second ejector (11) is adjusted to be communicated with the low-pressure steam inlet of the second ejector (11) after the heated medium passage outside passes through the absorber (1) and the condenser (5), and the steam generating system based on the jet-absorption heat pump is formed after the heated medium passage outside passes through the second absorber (18), the absorber (1) and the condenser (5).
  8. 8. In any steam generating system based on the injection-absorption heat pump, a third generator, a second throttle valve, a third solution pump and a third solution heat exchanger are added in any steam generating system based on the injection-absorption heat pump described in claim 7, a dilute solution pipeline is additionally arranged in the second absorber (18) and is communicated with the third generator (19) through the third solution pump (20) and the third solution heat exchanger (21), the third generator (19) is also communicated with the second generator (14) through the third solution heat exchanger (21), the communication of a refrigerant steam channel of the generator (4) with the condenser (5) is adjusted to be that after the generator (4) is communicated with the third generator (19), the third generator (19) is further communicated with the condenser (5) through the second throttle valve (15), and the third generator (19) is also communicated with the condenser (5) through the refrigerant steam channel to form the steam generating system based on the injection-absorption heat pump, or the third generator (19) is additionally communicated with an external medium through a high-temperature heat pump.
  9. 9. In any one of the steam generating systems based on the injection-absorption heat pump according to claim 7, a third generator, a second throttle valve and a third solution heat exchanger are added, the second absorber (18) is communicated with the generator (4) through a second solution pump (16) and a second solution heat exchanger (17) to be adjusted to be communicated with the generator (4) through the second solution pump (16), the second solution heat exchanger (17) and the third solution heat exchanger (21) through the second solution pump (16), the generator (4) is communicated with the generator (4) through the second solution heat exchanger (17) to be adjusted to be communicated with the generator (4) through the third solution heat exchanger (21) and the third generator (19), the third generator (19) is communicated with the second generator (14) through the second solution heat exchanger (17) through the second solution heat exchanger (19) again, the generator (4) is communicated with the condenser (5) through the second solution heat exchanger (17) and the third generator (19) through the third solution heat exchanger (19) again is communicated with the third generator (19) through the condenser (19) through the condensed fluid heat exchanger (19), and forming a steam generating system based on the injection-absorption heat pump, wherein a high-temperature heat medium channel is additionally arranged on the third generator (19) and communicated with the outside.
  10. 10. In any one of the steam generating systems based on the injection-absorption heat pump according to claim 7, a third generator, a second throttle valve, a third solution pump and a third solution heat exchanger are added, the second absorber (18) is communicated with the generator (4) through a second solution pump (16) and a second solution heat exchanger (17) and is regulated to be communicated with the second generator (14) through the second solution pump (16) and the second solution heat exchanger (17), the third generator (19) is communicated with the third generator (19) through a third solution pump (20) and a third solution heat exchanger (21) again, the generator (4) is communicated with the second generator (14) through the second solution heat exchanger (17) and is regulated to be communicated with the second generator (14) through the third solution heat exchanger (21) and the second solution heat exchanger (17), the generator (4) is communicated with the third generator (19) through the third solution heat exchanger (17) and is further communicated with the third generator (19) through a condensate passage (5) through the third solution pump (20) and the third solution heat exchanger (21) and is regulated to be communicated with the third generator (4) through a condensate passage (15) through the condensate passage (5), the third generator (19) is also communicated with the condenser (5) through a refrigerant steam channel to form a steam generation system based on the injection-absorption heat pump, wherein the third generator (19) is additionally provided with a high-temperature heat medium channel which is communicated with the outside.
  11. 11. In the steam generating system based on the injection-absorption heat pump, a second generator, a second solution pump, a second solution heat exchanger and a second absorber are added in any one of the steam generating systems based on the injection-absorption heat pump according to claims 1-3, the refrigerant vapor passage of the generator (4) is communicated with the condenser (5) and is regulated to be communicated with the second absorber (18) through the refrigerant vapor passage of the generator (4), the second absorber (18) is also communicated with the second generator (14) through the second solution pump (16) and the second solution heat exchanger (17), the second generator (14) is also communicated with the second absorber (18) through the second solution heat exchanger (17), the second generator (14) is also communicated with the condenser (5) through the refrigerant vapor passage, the second generator (14) is also communicated with the outside through the high temperature medium passage, the outside is also communicated with the second absorber (1) through the condenser (5), the low pressure steam is introduced into the second ejector (11) through the second absorber (11) through the second solution heat exchanger (17), and the low pressure steam is regulated to be introduced into the second absorber (11) through the second absorber heat pump.
  12. 12. In the steam generating system based on the injection-absorption heat pump, a second generator and a second solution heat exchanger are added in any one of the steam generating systems based on the injection-absorption heat pump according to claims 1-3, the absorber (1) is communicated with the generator (4) through a solution pump (2) and the solution heat exchanger (3) to adjust that the absorber (1) is communicated with the second generator (14) through the solution pump (2), the solution heat exchanger (3) and the second solution heat exchanger (17), the second generator (14) is further communicated with the generator (4) through a second solution heat exchanger (17) and the second generator (14) is also communicated with the condenser (5) through a refrigerant steam channel, and the second generator (14) is also communicated with the outside to form the steam generating system based on the injection-absorption heat pump.
  13. 13. In the steam generating system based on the injection-absorption heat pump, a second generator, a second solution pump and a second solution heat exchanger are added in any one of the steam generating systems based on the injection-absorption heat pump according to claims 1-3, the generator (4) is communicated with the absorber (1) through the solution heat exchanger (3) to adjust the concentrated solution pipeline of the generator (4) to be communicated with the second generator (14) through the second solution pump (16) and the second solution heat exchanger (17), the second generator (14) is further communicated with the absorber (1) through the second solution heat exchanger (17) and the solution heat exchanger (3), the second generator (14) is also communicated with the condenser (5) through a refrigerant steam channel, and the second generator (14) is also communicated with the outside to form the steam generating system based on the injection-absorption heat pump.
  14. 14. In any one of the steam generating systems based on the injection-absorption heat pump according to the claims 1-3, a second throttle valve, a second solution heat exchanger, a second absorber, a second evaporator and a third ejector are added, the absorber (1) is communicated with the generator (4) through the solution pump (2) and the solution heat exchanger (3) to be adjusted to be the absorber (1) through the solution pump (2), the solution heat exchanger (3) and the second solution heat exchanger (17) to be communicated with the generator (4), the generator (4) is communicated with the absorber (1) through the solution heat exchanger (3) to be adjusted to be the generator (4) through the solution heat exchanger (17) to be communicated with the second absorber (18), the second absorber (18) is further communicated with the absorber (1) through the solution heat exchanger (3) through the solution heat exchanger (5) or the evaporator (7) through the second throttle valve (15) to be communicated with the second evaporator (22), the second evaporator (22) is additionally provided with a high-pressure steam inlet port of the third ejector (23), the third ejector (23) is also communicated with the second absorber (18) through a medium-pressure refrigerant steam channel, the second evaporator (22) is also communicated with the outside through a low-temperature heat medium channel, the outside is provided with a heated medium channel, the heated medium channel is communicated with the second ejector (11) after passing through the absorber (1) and the condenser (5), and the low-pressure steam inlet is adjusted to be provided with a heated medium channel, the heated medium channel is communicated with the second ejector (11) after passing through the second absorber (18), the absorber (1) and the condenser (5), so that a steam generating system based on the jet-absorption heat pump is formed.
  15. 15. In any one of the steam generating systems based on the injection-absorption heat pump according to the claims 1-3, a second throttle valve, a second solution pump, a second solution heat exchanger, a second absorber, a second evaporator and a third ejector are added, the absorber (1) is communicated with the generator (4) through the solution pump (2) and the solution heat exchanger (3) to adjust that the absorber (1) is communicated with the second absorber (18) through the solution pump (2) and the solution heat exchanger (3), the second absorber (18) is further communicated with the generator (4) through the second solution pump (16) and the second solution heat exchanger (17) through the second solution pump (16), the generator (4) is communicated with the absorber (1) through the solution heat exchanger (3) to adjust that the generator (4) is communicated with the absorber (1) through the second solution heat exchanger (17) and the solution heat exchanger (3) through the solution pipeline, the condenser (5) or the evaporator (7) is additionally communicated with the second evaporator (23) through the second solution heat exchanger (17) and the second evaporator (23) through the second throttle valve, the high-pressure steam inlet of the third evaporator (23) is additionally connected with the steam generator (23), the third ejector (23) is also communicated with the second absorber (18) through a medium-pressure refrigerant steam channel, the second evaporator (22) is also communicated with the outside through a low-temperature heat medium channel, the outside heated medium channel is communicated with the second ejector (11) through the absorber (1) and the condenser (5), and the low-pressure steam inlet of the second ejector (11) through the absorber (18), the absorber (1) and the condenser (5) is adjusted to be communicated with the heated medium channel, so that a steam generating system based on the jet-absorption heat pump is formed.
  16. 16. A steam generating system based on a jet-absorption heat pump is formed by adding a spray pipe (A) and replacing a throttle valve (6) in any one of the steam generating systems based on jet-absorption heat pumps according to claims 1-3, 7 and 11-13.
  17. 17. A steam generating system based on a jet-absorption heat pump is formed by adding a spray pipe (A) and replacing a throttle valve (6), adding a second spray pipe (B) and replacing a second throttle valve (15) in any one of the steam generating systems based on the jet-absorption heat pump as claimed in claims 4-6, 8-10 and 14-15.
  18. 18. In the steam generating system based on the injection-absorption heat pump according to any one of claims 1 to 6, the low-pressure steam inlet of the second ejector (11) which is communicated with the heated medium passage outside after passing through the absorber (1) and the condenser (6) is adjusted to the low-pressure steam inlet of the second ejector (11) which is communicated with the heated medium passage outside after passing through the condenser (6) and the absorber (1), thereby forming the steam generating system based on the injection-absorption heat pump.

Description

Steam generation system based on injection-absorption heat pump Technical field: the invention belongs to the technical field of refrigeration and heat pump. The background technology is as follows: The energy source is needed to realize refrigeration and high-efficiency heat supply, advanced heat pump technology is needed, and the sectional utilization of the variable-temperature heat resource is an effective means for improving the utilization efficiency and the utilization value of the variable-temperature heat resource. Compared with the traditional steam production technology, obviously, the heat pump technology is an important means for realizing high-efficiency and high-value utilization of energy. In practice, the operating parameters, performance index, manufacturing cost and adaptability of the heat pump are required to be prioritized and emphasized. The ejector is a pressure boosting component which effectively utilizes high-temperature heat resources, has the advantages of simple structure, reliable operation, low investment and long service life, and has better adaptability to the compression of wet steam compared with a compressor. The absorption heat pump device has low manufacturing cost and directly uses heat energy as driving energy, however, when a user needs steam, the absorption heat pump device cannot directly produce steam in many cases due to the restriction of solution property, refrigerant medium property and low-temperature heat resource grade, and when the steam parameter required by the user is high, the absorption heat pump technology is more desirable. Based on the principle of simply, actively and efficiently utilizing energy sources to perform refrigeration/heating, the invention provides the steam generation system based on the injection-absorption heat pump, which has the advantages of reasonable flow, simple structure, low manufacturing cost and wide application range and can realize reasonable performance index. The invention comprises the following steps: the invention mainly aims at providing a steam generation system based on an injection-absorption heat pump, and the specific summary of the invention is as follows: 1. The steam generation system based on the injection-absorption heat pump mainly comprises an absorber, a solution pump, a solution heat exchanger, a generator, a condenser, a throttle valve, an evaporator, a booster pump, a steam generator, an ejector and a second ejector; the absorber is provided with a dilute solution pipeline which is communicated with the generator through a solution pump and a solution heat exchanger, the generator is also provided with a concentrated solution pipeline which is communicated with the absorber through the solution heat exchanger, the generator is also provided with a refrigerant steam channel which is communicated with the condenser, the condenser is also provided with a condensate pipeline which is communicated with the evaporator through a throttle valve, the evaporator is also provided with a low-pressure steam inlet of the ejector, the condenser is also provided with a condensate pipeline which is communicated with the steam generator through a booster pump, the steam generator is also provided with a refrigerant steam channel which is communicated with a high-pressure steam inlet of the ejector, the ejector is also provided with a medium-pressure refrigerant steam channel which is communicated with the absorber, the outside is provided with a working steam channel which is communicated with a high-pressure steam inlet of the second ejector, the outside is provided with a heated medium channel which is communicated with the low-pressure steam inlet of the second ejector after passing through the absorber and the condenser, the second ejector is also provided with a user steam channel which is respectively communicated with the outside, and the steam generator and the generator are also provided with a high-temperature heat medium channel which is communicated with the outside, and the evaporator is also provided with a low-temperature heat medium channel which is communicated with the outside, so as to form a steam generating system based on the jet-absorption heat pump. 2. In the steam generating system based on the injection-absorption heat pump according to the 1 st aspect, a working steam channel which is externally communicated with a high-pressure steam inlet of a second injector is canceled, a second booster pump is added, a liquid medium channel is externally communicated with a steam generator through the second booster pump, and a refrigerant steam channel is additionally arranged on the steam generator to be communicated with the high-pressure steam inlet of the second injector, so that the steam generating system based on the injection-absorption heat pump is formed. 3. In the steam generating system based on the injection-absorption heat pump according to the 1 st aspect, a working steam channel which