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CN-121993770-A - Third type of injection-absorption steam generating system

CN121993770ACN 121993770 ACN121993770 ACN 121993770ACN-121993770-A

Abstract

The invention provides a third type of injection-absorption type steam generation system, and belongs to the technical field of heat pumps. The low temperature generator is communicated with the high temperature generator through the solution pump, the solution heat exchanger and the second solution heat exchanger, the high temperature generator is communicated with the absorber through the second solution heat exchanger, the absorber is communicated with the low temperature generator through the solution heat exchanger, the low temperature generator is communicated with the evaporator through the low temperature condenser and the low pressure pump, the high temperature generator is communicated with the high temperature condenser, the high temperature condenser is communicated with the evaporator through the throttle valve, the evaporator is communicated with the absorber, a liquid medium pipeline is arranged outside and is communicated with a high pressure steam inlet of the ejector through the high pressure pump and the steam generator, a heated medium channel is arranged outside and is communicated with a low pressure steam inlet of the ejector through the absorber and the high temperature condenser, the ejector is provided with a user steam channel and is communicated with the outside, and the high temperature generator, the steam generator, the low temperature generator, the evaporator and the low temperature condenser are respectively provided with a heat source medium channel and are communicated with the outside, so that a third type of injection-absorption steam generation system is formed.

Inventors

  • LI HONGRUI
  • LI HUAYU

Assignees

  • 李华玉

Dates

Publication Date
20260508
Application Date
20260111
Priority Date
20250121

Claims (10)

  1. 1. The third type of injection-absorption type steam generation system mainly comprises a low-temperature generator, a solution pump, a solution heat exchanger, a second solution heat exchanger, a high-temperature generator, an absorber, a low-temperature condenser, a low-pressure pump, an evaporator, a high-temperature condenser, a throttle valve, a high-pressure pump, a steam generator and an ejector, wherein the low-temperature generator (1) is provided with a concentrated solution pipeline which is communicated with the high-temperature generator (5) through the solution pump (2), the solution heat exchanger (3) and the second solution heat exchanger (4), the high-temperature generator (5) is also provided with a concentrated solution pipeline which is communicated with the absorber (6) through the second solution heat exchanger (4), the absorber (6) is also provided with a dilute solution pipeline which is communicated with the low-temperature generator (1) through the solution heat exchanger (3), the low-temperature generator (1) is also provided with a refrigerant steam channel which is communicated with the low-temperature condenser (7), the low-temperature condenser (7) is also provided with a condensate pipeline which is communicated with the evaporator (9) through the low-pressure pump (8), the high-temperature generator (5) is also provided with a refrigerant steam channel which is communicated with the high-temperature condenser (10), the high-temperature generator (10) is also provided with a refrigerant steam channel which is also communicated with the evaporator (9) through the throttle valve (12), the steam generator (13) is also provided with a high-pressure steam inlet of a working steam channel communicated with the ejector (14), a heated medium channel is arranged outside and is communicated with a low-pressure steam inlet of the ejector (14) after passing through the absorber (6) and the high-temperature condenser (10), the ejector (14) is also provided with a user steam channel which is communicated with the outside, the high-temperature generator (5) and the steam generator (13) are also respectively provided with a high-temperature medium channel which is communicated with the outside, the low-temperature generator (1) and the evaporator (9) are also respectively provided with a low-temperature medium channel which is communicated with the outside, and the low-temperature condenser (7) is also provided with a cooling medium channel which is communicated with the outside, so that a third type of injection-absorption steam generation system is formed.
  2. 2. In the third type of injection-absorption steam generation system according to claim 1, a high-pressure pump (12) and a liquid medium pipeline of which the outside is communicated with a steam generator (14) through the high-pressure pump (12) are omitted, the steam generator (14) and a high-temperature heat medium channel communicated with the outside and a working steam channel communicated with a high-pressure steam inlet of the injector (14) are omitted, and the working steam channel is additionally arranged outside to be communicated with the high-pressure steam inlet of the injector (14) so as to form the third type of injection-absorption steam generation system.
  3. 3. In the third type of injection-absorption steam generation system according to claim 1 or claim 2, the low-temperature generator (1) is communicated with the high-temperature generator (5) through a solution pump (2), a solution heat exchanger (3) and a second solution heat exchanger (4) to adjust the low-temperature generator (1) to be communicated with the absorber (6) through a concentrated solution pump (15) and a second solution heat exchanger (4), the absorber (6) is further communicated with the high-temperature generator (5) through a solution pump (2) and a solution heat exchanger (3), the high-temperature generator (5) to be communicated with the absorber (6) through a second solution heat exchanger (4) to adjust the high-temperature generator (5) to be communicated with the low-temperature generator (1) through a concentrated solution pipeline through the solution heat exchanger (3) and the second solution heat exchanger (4), and the third type of injection-absorption steam generation system is formed.
  4. 4. In the third type of injection-absorption steam generation system according to claim 1 or claim 2, the low-temperature generator (1) is communicated with the high-temperature generator (5) through a solution pump (2), the solution heat exchanger (3) and the second solution heat exchanger (4) to adjust the low-temperature generator (1) to be communicated with the low-temperature generator (6) through a second solution pump (15) and the solution heat exchanger (3), the absorber (6) is also communicated with the second absorber (16) through the solution heat exchanger (3), the second absorber (16) is further communicated with the high-temperature generator (5) through the solution pump (2) and the second solution heat exchanger (4), the high-temperature generator (5) is communicated with the absorber (6) through the second solution heat exchanger (4) to adjust the high-temperature generator (5) to be communicated with the low-temperature generator (1) through the second solution heat exchanger (4), the low-temperature generator (7) and the low-temperature pump (8) are canceled, the condensate (7) and the low-temperature pump (8) are canceled to be communicated with the external medium through the low-temperature pump (8), the low-temperature generator (1) is communicated with the low-temperature condenser (7) through a refrigerant steam channel, so that the low-temperature generator (1) is communicated with the second absorber (16), and the second absorber (16) is also communicated with the outside through a cooling medium channel, thereby forming a third type of injection-absorption steam generation system.
  5. 5. A third type of injection-absorption steam generating system is formed by adding a compressor (a) to any one of the third type of injection-absorption steam generating systems described in claims 1-4, and adjusting the communication between the high-temperature generator (5) with a refrigerant steam channel and the high-temperature condenser (10) to the communication between the high-temperature generator (5) with the refrigerant steam channel and the high-temperature condenser (10) through the compressor (a).
  6. 6. A third type of injection-absorption steam generating system is formed by adding a compressor (a) to any one of the third type of injection-absorption steam generating systems described in claims 1-4, and adjusting the communication between the evaporator (9) and the absorber (6) to the communication between the evaporator (9) and the absorber (6) through the compressor (a).
  7. 7. A third type of injection-absorption steam generating system is formed by adding a two-phase expander (B) in place of the throttle valve (11) in any one of the third type of injection-absorption steam generating systems according to claims 1 to 6.
  8. 8. A third type of injection-absorption steam generating system is formed by adding a spray pipe (C) and replacing a throttle valve (11) and adding a diffuser pipe (D) in any one of claims 1-5, and adjusting the communication between the evaporator (9) and the absorber (6) to the state that the evaporator (9) has a refrigerant steam channel and the absorber (6) is communicated with the diffuser pipe (D) through the diffuser pipe (D).
  9. 9. A third type of injection-absorption steam generating system is formed by adding a spray pipe (C) and a double-energy compressor (E) instead of a throttle valve (11) in any one of the third type of injection-absorption steam generating systems described in claims 1-5, and adjusting that the evaporator (9) is communicated with the absorber (6) through a refrigerant steam channel and the evaporator (9) is communicated with the absorber (6) through the double-energy compressor (E).
  10. 10. A third type of injection-absorption steam generating system, in any one of claims 1 to 9, is formed by connecting the external heated medium passage to the low-pressure steam inlet of the ejector (14) after passing through the absorber (6) and the high-temperature condenser (10), and adjusting the external heated medium passage to the low-pressure steam inlet of the ejector (14) after passing through the high-temperature condenser (10) and the absorber (6).

Description

Third type of injection-absorption steam generating system Technical field: the invention belongs to the technical field of refrigeration and heat pump. The background technology is as follows: The steam with different parameters is needed in the life and production process of people, and the heat pump technology is adopted to provide the steam, so that the energy is an important means for realizing high-efficiency and high-value utilization; in practical applications, the working parameters, performance index, manufacturing cost, adaptability, utilization level of heat resources and the like of the heat pump need to be comprehensively considered. 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 technology has advantages of low cost and direct application of heat energy as driving energy, however, when a user needs steam, the ability to produce steam is greatly limited due to the limitations of solution, refrigerant medium and heat source properties. For example, when the medium temperature heat source is low and the user needs high pressure steam, it is often difficult to directly produce suitable steam using a third type of absorption heat pump using lithium bromide aqueous solution as a working medium. Based on the principle of simply, actively, safely and efficiently utilizing energy sources to heat, the invention provides a third type of jet-absorption steam generation system which has the advantages of technical integration, reasonable flow, simple structure and low manufacturing cost and realizes reasonable performance index. The invention comprises the following steps: The main object of the present invention is to provide a third type of injection-absorption steam generating system, the specific summary of which is set forth in the following: 1. The third type of injection-absorption type steam generation system mainly comprises a low-temperature generator, a solution pump, a solution heat exchanger, a second solution heat exchanger, a high-temperature generator, an absorber, a low-temperature condenser, a low-pressure pump, an evaporator, a high-temperature condenser, a throttle valve, a high-pressure pump, a steam generator and an injector; the low temperature generator is provided with a concentrated solution pipeline which is communicated with the high temperature generator through a solution pump, a solution heat exchanger and a second solution heat exchanger, the high temperature generator is also provided with a concentrated solution pipeline which is communicated with the absorber through the second solution heat exchanger, the absorber is also provided with a dilute solution pipeline which is communicated with the low temperature generator through the solution heat exchanger, the low temperature generator is also provided with a refrigerant steam channel which is communicated with the low temperature condenser through a low pressure pump, the low temperature condenser is also provided with a condensate pipeline which is communicated with the evaporator through a low pressure pump, the evaporator is also provided with a refrigerant steam channel which is communicated with the absorber through a throttle valve, the outside is provided with a liquid medium pipeline which is communicated with the steam generator through a high pressure pump, the steam generator is also provided with a working steam channel which is communicated with a high pressure steam inlet of the ejector, the outside is communicated with a low pressure steam inlet of the ejector after passing through the absorber and the high temperature condenser, the ejector is also provided with a user steam channel which is respectively communicated with the outside, the high temperature generator and the steam generator are also provided with a low temperature medium channel which is respectively communicated with the outside, the low temperature generator and the evaporator are also provided with the low temperature medium channel which is respectively communicated with the outside, and the low temperature generator is formed into a third cooling medium channel which is communicated with the third cooling medium channel, and the third cooling medium channel is communicated with the outside cooling medium, and the third cooling medium system is formed by the cooling medium. 2. In the third type of injection-absorption steam generating system according to the third aspect 1, a high-pressure pump and a liquid medium pipeline, the outside of which is communicated with the steam generator through the high-pressure pump, are omitted, the steam generator, a high-temperature heat medium channel communicated with the outside and a working steam channel communicated with a high-pre