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CN-122015333-A - Steam generation system based on second-class injection-absorption heat pump

CN122015333ACN 122015333 ACN122015333 ACN 122015333ACN-122015333-A

Abstract

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

Inventors

  • LI HONGRUI
  • LI HUAYU

Assignees

  • 李华玉

Dates

Publication Date
20260512
Application Date
20260110
Priority Date
20250116

Claims (11)

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

Description

Steam generation system based on second-class injection-absorption heat pump Technical field: The invention belongs to the technical field of heat pumps. The background technology is as follows: compared with the traditional steam production technology, the heat pump technology is adopted to provide steam, which is an important means for realizing high-efficiency and high-value utilization of energy. 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 second type of absorption heat pump technology has the advantages of low manufacturing cost and capability of directly applying medium-temperature heat energy, however, the working range and the application field are limited due to the properties of the solution and the refrigerant medium, for example, when the medium-temperature heat resource is low in temperature and the user needs to be steam, the second type of absorption heat pump using lithium bromide aqueous solution as the working medium is often difficult to play a role. Based on the principle of simply, actively and efficiently utilizing energy to heat, the invention provides a steam generation system based on a second-class jet-absorption heat pump, which has reasonable flow, simple structure, technical integration and reasonable performance index by utilizing multiple energy sources. The invention comprises the following steps: the main object of the present invention is to provide a steam generating system based on a second type of injection-absorption heat pump, the specific summary of which is set forth in the following: 1. The steam generating system based on the second type injection-absorption heat pump mainly comprises a generator, a solution pump, a solution heat exchanger, an absorber, a condenser, a low-pressure pump, an evaporator, a high-pressure pump, a steam generator, an ejector and a second ejector, wherein a concentrated solution pipeline is communicated with the absorber through the solution pump and the solution heat exchanger, the absorber is also communicated with the generator through a dilute solution pipeline through the solution heat exchanger, the generator is also communicated with the condenser through a refrigerant steam channel, the condenser is also communicated with the evaporator through the low-pressure pump, the evaporator is also communicated with the steam generator through the high-pressure pump, the evaporator is also communicated with a low-pressure steam inlet of the ejector through the refrigerant steam channel, the steam generator is also communicated with a high-pressure steam inlet of the ejector, the ejector is also communicated with a medium-pressure steam channel, the outside is also communicated with a high-pressure steam inlet of the second ejector, the outside is also communicated with a low-pressure steam inlet of the second ejector through the absorber through the solution heat exchanger, the second ejector is also communicated with the outside through a medium channel to be heated, the second ejector is also communicated with the outside, the user steam channel is also communicated with the outside, the high-temperature medium channel is also respectively communicated with the outside, the high-temperature medium channel is also communicated with the external medium channel, and the second type injection type heat pump is formed, and the second type of the high-temperature steam generating system is communicated with the outside. 2. In the steam generating system based on the second-class jet-absorption heat pump according to the first aspect 1, a working steam channel which is externally communicated with a high-pressure steam inlet of the second ejector is canceled, a second high-pressure pump is added, a liquid medium channel is externally communicated with a steam generator through the second high-pressure pump, and the steam generator is additionally provided with the working steam channel which is communicated with the high-pressure steam inlet of the second ejector, so that the steam generating system based on the second-class jet-absorption heat pump is formed. 3. In the steam generating system based on the second-class jet-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 ejector is omitted, a second high-pressure pump and a second steam generator are added, a liquid medium channel is externally communicated with the second steam generator through the second high-pressure pump, the second steam generator is also communicated with the high-pressure steam inlet of the second ejector through the working steam channel, and the second steam generator is also communicated with the outside through the hi