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CN-121993771-A - Fourth type of injection-absorption steam generating system

CN121993771ACN 121993771 ACN121993771 ACN 121993771ACN-121993771-A

Abstract

The invention provides a fourth 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 low temperature generator and the throttle valve, the evaporator is communicated with the absorber, a liquid medium pipeline is arranged outside the evaporator 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 the evaporator 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 which is communicated with outside, and the high temperature generator, the evaporator and the low temperature condenser are respectively provided with a heat source medium channel which is communicated with outside, so as to form a fourth type of injection-absorption steam generating system.

Inventors

  • LI HONGRUI
  • LI HUAYU

Assignees

  • 李华玉

Dates

Publication Date
20260508
Application Date
20260111
Priority Date
20250121

Claims (10)

  1. 1. The fourth 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 high-temperature generator (9) through the low-pressure pump (11) and the evaporator (9), 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 condenser (7) is also provided with a cooling medium channel which is communicated with the outside, and the evaporator (9) is also provided with a low-temperature medium channel which is communicated with the outside, so that a fourth type of injection-absorption steam generation system is formed.
  2. 2. In the fourth 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 the steam generator (14) through the high-pressure pump (12) are omitted, the steam generator (14) and a heated 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 on the outside to be communicated with the high-pressure steam inlet of the injector (14) so as to form the fourth type of injection-absorption steam generation system.
  3. 3. In the fourth 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 diluted solution pipeline through the solution pump (2) and the solution heat exchanger (3), 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 solution heat exchanger (3) and the second solution heat exchanger (4) to form the fourth type of injection-absorption steam generation system.
  4. 4. In the fourth 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 fourth type of injection-absorption steam generation system.
  5. 5. A fourth type of injection-absorption steam generation system is formed by adding a compressor (a) to any one of the fourth type of injection-absorption steam generation 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 fourth type of injection-absorption steam generating system is formed by adding a compressor (a) to any one of the fourth 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 fourth 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 fourth type of injection-absorption steam generating systems according to claims 1 to 6.
  8. 8. A fourth type of injection-absorption steam generating system is characterized in that in any one of claims 1-5, a spray pipe (C) is added to replace a throttle valve (11), a diffusion pipe (D) is added, 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 diffusion pipe (D) to form the fourth type of injection-absorption steam generating system.
  9. 9. A fourth type of injection-absorption steam generating system is formed by adding a spray pipe (C) and a dual-energy compressor (E) instead of a throttle valve (11) in any one of the fourth type of injection-absorption steam generating systems described in claims 1-5, and adjusting the communication of the evaporator (9) with the refrigerant steam channel and the absorber (6) so that the evaporator (9) is communicated with the absorber (6) through the dual-energy compressor (E).
  10. 10. A fourth 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

Fourth 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. Absorption heat pump technology has advantages of low cost and direct application of heat energy as driving energy, however, when a user needs higher pressure steam, its ability to produce steam is limited due to the limitations of solution, refrigerant medium and heat source properties. Based on the principle of simply, actively, safely and efficiently utilizing energy sources to heat, the invention provides a fourth 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 fourth type of injection-absorption steam generating system, the specific summary of which is set forth in the following: 1. The fourth 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 the low temperature generator and a throttle valve, the evaporator is also provided with a refrigerant steam channel which is communicated with the absorber, the outside is provided with a liquid medium pipeline which is communicated with the steam generator through the 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 communicated with the outside, the high temperature generator and the steam generator are also respectively provided with a high temperature medium channel which is communicated with the outside, the low temperature condenser is also provided with a cooling medium channel which is communicated with the outside, the low temperature generator is also provided with the low temperature heat generator is also communicated with the low temperature generator, and the low temperature generator is also provided with the low temperature medium channel which is communicated with the low temperature generator is formed by the fourth type of the low temperature absorbing medium. 2. In the fourth type of injection-absorption steam generating system according to the claim 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 heated medium channel communicated with the outside of the steam generator and a working steam channel communicated with a high-pressure steam inlet of the injector are omitted, and the working steam channel is additionally arranged on the outside of the steam generator and is communicated with the high-pressure steam inlet of the injector, so that the fourth