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CN-122015332-A - Fourth type heat driven compression-injection-absorption heat pump

CN122015332ACN 122015332 ACN122015332 ACN 122015332ACN-122015332-A

Abstract

The invention provides a fourth type of compression-injection-absorption heat pump, and belongs to the 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 low temperature generator through the second solution heat exchanger, the absorber and the solution heat exchanger, the low temperature generator is communicated with the low temperature condenser, the low pressure pump and the evaporator, the high temperature generator is communicated with the compressor, the high temperature heat exchanger, the expander and the high temperature condenser, the high temperature condenser is communicated with the evaporator through the low temperature generator and the throttle valve and is communicated with the steam generator through the high pressure pump and the high pressure steam port of the ejector, the evaporator is communicated with the low pressure steam port of the ejector, the ejector is communicated with the absorber, the high temperature generator, the high temperature heat exchanger and the steam generator are provided with a heated medium channel, the absorber and the high temperature condenser are provided with a cooling medium channel, the evaporator is provided with a low temperature medium pipeline which is communicated with the outside, and a fourth type of compression-ejection-absorption heat pump is formed.

Inventors

  • LI HONGRUI
  • LI HUAYU

Assignees

  • 李华玉

Dates

Publication Date
20260512
Application Date
20251225
Priority Date
20241226

Claims (11)

  1. 1. The fourth type of heat driven compression-injection-absorption heat pump 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 compressor, a high-temperature heat exchanger, an expander, 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 the refrigerant steam channel which is communicated with the evaporator (9) through the low-pressure pump (8), the high-temperature generator (5) is also provided with the refrigerant steam channel (10) which is also communicated with the high-temperature generator (12) through the high-temperature heat exchanger (12) which is also communicated with the high-temperature heat exchanger (12), the high-temperature condenser (13) is also communicated with the evaporator (9) through the low-temperature generator (1) and the throttle valve (14), the high-temperature condenser (13) is also communicated with the steam generator (16) through the high-pressure pump (15), the steam generator (16) is also communicated with the high-pressure steam inlet of the ejector (17) through the refrigerant steam channel, the evaporator (9) is also communicated with the low-pressure steam inlet of the ejector (17) through the refrigerant steam channel, the ejector (17) is also communicated with the absorber (6) through the medium-pressure refrigerant steam channel, the high-temperature generator (5), the high-temperature heat exchanger (11) and the steam generator (16) are also respectively communicated with the outside through the heated medium channel, the low-temperature condenser (7) is also communicated with the outside through the cooling medium channel, the evaporator (9) is also communicated with the outside through the low-temperature medium channel, and a fourth type of heat-driven compression-injection-absorption heat pump is formed.
  2. 2. In the fourth-type heat-driven compression-injection-absorption heat pump according to claim 1, a regenerator (18) is added, a refrigerant vapor channel of the compressor (10) is communicated with the expander (12) through the high-temperature heat exchanger (11) and is adjusted to be communicated with the expander (12) through the regenerator (18) and the high-temperature heat exchanger (11), and a refrigerant vapor channel of the expander (12) is communicated with the high-temperature condenser (13) and is adjusted to be communicated with the expander (12) through the regenerator (18) and the high-temperature condenser (13), so that the fourth-type heat-driven compression-injection-absorption heat pump is formed.
  3. 3. In the fourth-type heat-driven compression-injection-absorption heat pump according to claim 1, a regenerator (18) is added, a refrigerant vapor passage of the compressor (10) is communicated with the expander (12) through the high-temperature heat exchanger (11), the refrigerant vapor passage of the compressor (10) is communicated with the compressor (12) through the regenerator (18), then the refrigerant vapor passage of the compressor (10) is communicated with the expander (12) through the high-temperature heat exchanger (11), the refrigerant vapor passage of the expander (12) is communicated with the high-temperature condenser (13) and the refrigerant vapor passage of the expander (12) is communicated with the high-temperature condenser (13) through the regenerator (18), and the fourth-type heat-driven compression-injection-absorption heat pump is formed.
  4. 4. In the fourth-type heat-driven compression-injection-absorption heat pump according to claim 1, a regenerator (18) is added, a refrigerant vapor passage of the compressor (10) is communicated with the expander (12) through the high-temperature heat exchanger (11) and is adjusted to be communicated with the expander (12) through the regenerator (18) and the high-temperature heat exchanger (11), the refrigerant vapor passage of the expander (12) is communicated with the high-temperature condenser (13) and is adjusted to be communicated with the expander (12) through the regenerator (18) and then the refrigerant vapor passage of the expander (12) is communicated with the high-temperature condenser (13), and the fourth-type heat-driven compression-injection-absorption heat pump is formed.
  5. 5. In the fourth-type heat-driven compression-injection-absorption heat pump according to claim 1, a regenerator (18) and a second compressor (19) are added, a refrigerant steam channel of the compressor (10) is communicated with the expander (12) through the high-temperature heat exchanger (11) and is regulated to be communicated with the expander (12) through the regenerator (18) and the high-temperature heat exchanger (11), an intermediate steam extraction channel is additionally arranged in the expander (12) and is communicated with the second compressor (19) through the regenerator (18), the second compressor (19) is also communicated with the expander (12) through the high-temperature heat exchanger (11), and the expander (12) is connected with the compressor (10) and the second compressor (19) and transmits power to form the fourth-type heat-driven compression-injection-absorption heat pump.
  6. 6. In any one of the fourth-class heat driven compression-injection-absorption heat pump according to claims 1-5, a second solution pump (20) is added, 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 be adjusted to the state that the low-temperature generator (1) is communicated with the absorber (6) through the second solution pump (20) and the second solution heat exchanger (4), the absorber (6) is further communicated with the high-temperature generator (5) 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 be adjusted to the state that the high-temperature generator (5) is communicated with the low-temperature generator (1) through the solution heat exchanger (3) and the second solution heat exchanger (4) to form the fourth-class heat driven compression-absorption heat pump.
  7. 7. In the fourth-type heat-driven compression-injection-absorption heat pump, a low-temperature condenser (7) and a cooling medium channel communicated with the outside are omitted, a low-pressure pump (8) is omitted, a refrigerant liquid pipeline communicated with an evaporator (9) through the low-temperature condenser (7) is omitted, a second solution pump (20) and a second absorber (21) are added, the low-temperature generator (1) is provided with a concentrated solution pipeline 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 be adjusted, the low-temperature generator (1) is provided with a concentrated solution pipeline communicated with the absorber (6) through the second solution pump (20) and the solution heat exchanger (3), the absorber (6) is also provided with a dilute solution pipeline communicated with the second absorber (21) through the solution heat exchanger (3), the second absorber (21) is additionally provided with a dilute solution pipeline communicated with the high-temperature generator (5) through the solution pump (2) and the second solution heat exchanger (4) to be adjusted, the low-temperature generator (1) is communicated with the high-temperature generator (5) through the second solution heat exchanger (4) to be adjusted, 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 (21), and the second absorber (21) is also communicated with the outside through a cooling medium channel, thereby forming a fourth type of heat-driven compression-injection-absorption heat pump.
  8. 8. In the fourth-type heat pump, the high-pressure pump (15) and the steam generator (16) are omitted, the high-temperature condenser (11) is communicated with the steam generator (16) through the high-pressure pump (15) to adjust the high-temperature condenser (11) to be communicated with the outside through the refrigerant liquid pipeline, and the high-pressure steam inlet of the steam generator (16) is adjusted to be communicated with the high-pressure steam inlet of the ejector (10) through the refrigerant steam channel to form the fourth-type heat pump.
  9. 9. In the fourth-type heat pump, the high-pressure pump (15) and the steam generator (16) are omitted, a refrigerant liquid pipeline of the high-temperature condenser (13) communicated with the steam generator (16) through the high-pressure pump (15) is omitted, a refrigerant steam channel of the high-pressure steam inlet of the ejector (17) is omitted, and the refrigerant steam channel communicated with the high-temperature condenser (13) is divided into two paths, namely a first path communicated with the high-temperature condenser (13) and a second path communicated with the high-pressure steam inlet of the ejector (17), so that the fourth-type heat pump is formed.
  10. 10. In the fourth-type heat pump, the high-pressure pump (15) and the steam generator (16) are omitted, the refrigerant liquid pipeline of the high-temperature condenser (13) communicated with the steam generator (16) through the high-pressure pump (15) is omitted, the refrigerant steam channel of the steam generator (16) communicated with the high-pressure steam inlet of the ejector (17) is omitted, and the refrigerant steam channel communicated with the expander (12) is divided into two paths, namely a first-path communicated expander (12) and a second-path communicated ejector (17), so as to form the fourth-type heat pump.
  11. 11. A fourth type of heat-driven compression-injection-absorption heat pump, in which a spray pipe (a) is added and a throttle valve (14) is replaced in any one of claims 1 to 10, to form a fourth type of heat-driven compression-injection-absorption heat pump.

Description

Fourth type heat driven compression-injection-absorption heat pump Technical field: The invention belongs to the technical field of refrigeration and heat pump. The background technology is as follows: there is a need for energy utilization to achieve refrigeration and efficient heating, wherein the use of thermal energy for refrigeration/heating is a conventional technical means. In practice, the operating parameters, performance index and manufacturing costs of the heat pump are of priority and importance. In the refrigeration/heating technology, the steam jet type refrigeration device has the advantages of simple structure, reliable operation, low investment and long service life, and has the defects that the utilization efficiency of driving steam is required to be improved and the heating temperature is limited. Absorption refrigeration/heat pump technology also has the advantages of low manufacturing cost and capability of directly applying heat energy as driving energy, however, is influenced by the properties of solution and refrigerant media, and has a large limit on the working range and application field. Based on the principle of simply, actively and efficiently utilizing heat energy or combining heat energy and mechanical energy for refrigeration/heating, the invention provides a fourth type of heat-driven compression-injection-absorption heat pump which has reasonable flow, simple structure, low cost and wide working range and realizes technical integration and rationalization of performance indexes. The invention comprises the following steps: The invention mainly aims to provide a fourth type of heat driven compression-injection-absorption heat pump, and the specific summary of the invention is as follows: 1. The fourth type of heat driven compression-injection-absorption heat pump 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 compressor, a high-temperature heat exchanger, an expander, a high-temperature condenser, a throttle valve, a high-pressure pump, a steam generator and an injector; the low temperature generator has 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 also has a concentrated solution pipeline which is communicated with the absorber through the second solution heat exchanger, the absorber also has a dilute solution pipeline which is communicated with the low temperature generator through the solution heat exchanger, the low temperature generator also has a refrigerant steam channel which is communicated with the low temperature condenser, the low temperature condenser also has a refrigerant liquid pipeline which is communicated with the evaporator through a low pressure pump, the high temperature generator also has a refrigerant steam channel which is communicated with the compressor, the compressor also has a refrigerant steam channel which is communicated with the expander through the high temperature heat exchanger, the expander also has a refrigerant steam channel which is communicated with the high temperature condenser, the high temperature condenser also has a refrigerant liquid pipeline which is communicated with the evaporator through the low temperature generator and the throttle valve, the high temperature condenser also has a refrigerant steam channel which is communicated with the high pressure steam inlet of the ejector through the high pressure pump, the evaporator also has a low pressure steam introducing inlet of the ejector, the ejector also has a refrigerant steam channel which is communicated with the absorber, the high temperature generator, the high temperature heat exchanger and the high pressure heat exchanger are respectively communicated with the high temperature condenser through the high temperature channel and the high temperature condenser, the high temperature condenser also has the medium channel which is communicated with the medium outside medium and the medium, the evaporator is also communicated with the outside through a low-temperature heat medium channel to form a fourth type of heat driven compression-injection-absorption heat pump. 2. In the fourth heat-driven compression-injection-absorption heat pump according to the fourth aspect 1, a regenerator is added, the compressor-provided refrigerant vapor passage is communicated with the expander through the high-temperature heat exchanger and is adjusted to be communicated with the expander through the regenerator and the high-temperature heat exchanger, and the expander-provided refrigerant vapor passage is communicated with the high-temperature condenser and is adjusted to be communicated with the high-temperature condenser through the regene