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CN-122015317-A - Compression-injection heat pump system

CN122015317ACN 122015317 ACN122015317 ACN 122015317ACN-122015317-A

Abstract

The invention provides a compression-injection type heat pump system, and belongs to the technical field of heat pumps. The compressor has a refrigerant steam channel communicated with the heater, the heater has a condensate pipeline communicated with the steam generator by a booster pump, the heater has a condensate pipeline communicated with the evaporator by a throttle valve, the steam generator has a working steam channel communicated with a high-pressure steam inlet of the ejector, the evaporator has a refrigerant steam channel communicated with a low-pressure steam inlet of the ejector, the ejector has a medium-pressure refrigerant steam channel communicated with the compressor, the heater has a heated medium channel communicated with the outside, the steam generator has a driving heat medium channel communicated with the outside, and the evaporator has a low-temperature heat medium channel communicated with the outside to form a compression-injection heat pump system.

Inventors

  • LI HUAYU
  • LI HONGRUI

Assignees

  • 李华玉

Dates

Publication Date
20260512
Application Date
20260205
Priority Date
20250212

Claims (14)

  1. 1. The compression-injection type heat pump system mainly comprises a compressor, a heat supplier, a booster pump, a steam generator, a throttle valve, an evaporator and an injector, wherein a refrigerant steam channel of the compressor (1) is communicated with the heat supplier (2), a condensate pipeline of the heat supplier (2) is communicated with the steam generator (4) through the booster pump (3), the heat supplier (2) is also communicated with the evaporator (6) through the throttle valve (5), the steam generator (4) is also communicated with a high-pressure steam inlet of the injector (7) through a working steam channel, the evaporator (6) is also communicated with a low-pressure steam inlet of the injector (7) through a refrigerant steam channel, the injector (7) is also communicated with the compressor (1), a heated medium channel of the heat supplier (2) is also communicated with the outside, a driving heat medium channel of the steam generator (4) is also communicated with the outside, and the evaporator (6) is also communicated with the low-temperature medium channel is also communicated with the outside, so as to form the compression-injection type heat pump system.
  2. 2. The compression-injection type heat pump system mainly comprises a compressor, a heat supply device, a throttle valve, an evaporator and an injector, wherein the compressor (1) is provided with a refrigerant steam channel which is communicated with the heat supply device (2), a condensate pipeline which is also communicated with the evaporator (6) through the throttle valve (5), the heat supply device (2) is also provided with a condensate pipeline which is communicated with the outside, the outside is provided with a working steam channel which is communicated with a high-pressure steam inlet of the injector (7), the evaporator (6) is also provided with a refrigerant steam channel which is communicated with a low-pressure steam inlet of the injector (7), the injector (7) is also provided with a medium-pressure refrigerant steam channel which is communicated with the compressor (1), the heat supply device (2) is also provided with a heated medium channel which is communicated with the outside, and the evaporator (6) is also provided with a low-temperature medium channel which is communicated with the outside, so as to form the compression-injection type heat pump system.
  3. 3. In the compression-injection type heat pump system according to claim 1 or claim 2, a regenerator (8) is added, a condensate pipe line of the heat supplier (2) is communicated with the evaporator (6) through a throttle valve (5) to be adjusted to a condensate pipe line of the heat supplier (2) which is communicated with the evaporator (6) through the regenerator (8) and the throttle valve (5), a medium-pressure refrigerant steam channel of the injector (7) is communicated with the compressor (1) to be adjusted to a medium-pressure refrigerant steam channel of the injector (7) which is communicated with the compressor (1) through the regenerator (8), and the compression-injection type heat pump system is formed.
  4. 4. In the compression-injection type heat pump system according to claim 1 or claim 2, a regenerator (8) is added, a condensate pipe line of the heat supplier (2) is communicated with the evaporator (6) through a throttle valve (5) to be adjusted to be a condensate pipe line of the heat supplier (2) which is communicated with the evaporator (6) through the regenerator (8) and the throttle valve (5), a low-pressure steam inlet of the evaporator (6) which is communicated with the ejector (7) is adjusted to be a low-pressure steam inlet of the evaporator (6) which is communicated with the ejector (7) after the refrigerant steam channel of the evaporator (6) is communicated with the regenerator (8), and the compression-injection type heat pump system is formed.
  5. 5. In the compression-injection type heat pump system according to claim 1 or claim 2, a regenerator (8) and a second regenerator (9) are added, the heat supply device (2) is communicated with the evaporator (6) through a throttle valve (5) to adjust the heat supply device (2) to be communicated with the evaporator (6) through the condensate pipe, the heat regenerator (8), the second regenerator (9) and the throttle valve (5), the evaporator (6) is communicated with the ejector (7) through a refrigerant steam channel to adjust the low-pressure steam inlet of the ejector (7) to be communicated with the low-pressure steam inlet of the ejector (6) after the evaporator (6) is communicated with the refrigerant steam channel through the second regenerator (9), and the ejector (7) is communicated with the compressor (1) through a medium-pressure refrigerant steam channel to be adjusted to be communicated with the compressor (1) through the regenerator (8), so as to form the compression-injection type heat pump system.
  6. 6. In the compression-injection type heat pump system according to claim 1 or claim 2, a regenerator, an expander and a second heater are added, the communication between the refrigerant vapor channel of the compressor (1) and the heater (2) is adjusted to be that the refrigerant vapor channel of the compressor (1) is communicated with the second heater (11), then the refrigerant vapor channel is divided into two paths, namely, the first path is communicated with the heater (2) and the second path is communicated with the expander (10), the expander (10) is communicated with the compressor (1) through an intermediate port after the refrigerant vapor channel is communicated with the regenerator (8), the heat heater (2) is communicated with the evaporator (6) through a throttle valve (5) to be that the heat heater (2) is communicated with the evaporator (6) through the regenerator (8) and the throttle valve (5), the second heat heater (11) is also communicated with the outside through a heated medium channel, and the expander (10) is connected with the compressor (1) and transmits power to form the compression-injection type heat pump system.
  7. 7. In the compression-injection type heat pump system according to claim 1 or claim 2, a regenerator, a second regenerator, an expander and a second heat supplier are added, the communication between a refrigerant vapor passage of the compressor (1) and the heat supplier (2) is adjusted to be divided into two paths after the communication between the refrigerant vapor passage of the compressor (1) and the second heat supplier (11), namely, a first path is communicated with the heat supplier (2) and a second path is communicated with the expander (10), the expander (10) is communicated with the compressor (1) through an intermediate port after the refrigerant vapor passage is communicated with the regenerator (8), a condensate pipe of the heat supplier (2) is communicated with the evaporator (6) through a throttle valve (5) to be adjusted to be communicated with the evaporator (6) through a full condensate or wet saturated steam pipe, the second evaporator (9) and the throttle valve (5), a low-pressure steam inlet of the evaporator (6) is adjusted to be communicated with the evaporator (6) through a low-pressure steam inlet of the ejector (7) and the evaporator (7) is communicated with the regenerator (7) through the second evaporator (9) and then is communicated with the heat supplier (1) through the low-pressure steam passage of the heat supplier (11), and the heat supplier is compressed and is further communicated with the heat supplier (1) through the power-compressed medium.
  8. 8. In the compression-injection type heat pump system according to any one of claims 1 to 7, a two-phase expander (12) is added to replace the throttle valve (5), and the two-phase expander (12) is connected with the compressor (1) and transmits power to form the compression-injection type heat pump system.
  9. 9. A compression-injection heat pump system, wherein a nozzle (13) is added to replace a throttle valve (5) in any one of the compression-injection heat pump systems according to claims 1 to 7, to form a compression-injection heat pump system.
  10. 10. In the compression-injection type heat pump system according to any one of claims 6 to 7, a spray pipe (13) is added to replace a throttle valve (5), a dual-energy compressor (14) is added to replace a compressor (1), and an expansion speed increaser (15) is added to replace an expander (10) to form the compression-injection type heat pump system.
  11. 11. In the compression-injection type heat pump system according to claim 1 or claim 2, a spray pipe and a steam separation chamber are added, a condensate pipe of the heat supplier (2) is communicated with the evaporator (6) through a throttle valve (5), the heat supplier (2) is communicated with the steam separation chamber (16) through a spray pipe (13), the steam separation chamber (16) is also communicated with the compressor (1) through an intermediate port, and the steam separation chamber (16) is also communicated with the evaporator (6) through the throttle valve (5), so that the compression-injection type heat pump system is formed.
  12. 12. In the compression-injection type heat pump system disclosed in claim 1 or claim 2, a regenerator, a spray pipe and a steam distribution chamber are added, a condensate pipe arranged on the heat supplier (2) is communicated with the evaporator (6) through a throttle valve (5), the heat supplier (2) is regulated to be communicated with the steam distribution chamber (16) through the spray pipe (13), the steam distribution chamber (16) is also communicated with the compressor (1) through an intermediate port, the steam distribution chamber (16) is also communicated with the evaporator (6) through the regenerator (8) and the throttle valve (5) through a condensate pipe, the evaporator (6) is regulated to be communicated with the low-pressure steam inlet of the ejector (7) after the evaporator (6) is communicated with the refrigerant steam channel through the regenerator (8), and the low-pressure steam inlet of the evaporator (7) is formed.
  13. 13. In the compression-injection type heat pump system according to any one of claims 11 to 12, a two-phase expander (12) is added to replace the throttle valve (5), and the two-phase expander (12) is connected with the compressor (1) and transmits power to form the compression-injection type heat pump system.
  14. 14. A compression-injection heat pump system, wherein the compression-injection heat pump system according to any one of claims 11 to 12 is formed by adding a second nozzle (17) instead of the throttle valve (5).

Description

Compression-injection heat pump system Technical field: The invention belongs to the technical field of thermodynamics and heat pumps. The background technology is as follows: In the mechanical energy driven vapor compression heat pump, a compressor is a core component forming the heat pump system, and two problems are associated with the compressor, namely ①, in order to achieve larger temperature rise, a compression process with a high pressure rise ratio is needed, the manufacturing difficulty of the compressor is increased, the manufacturing cost of the heat pump system is further increased, and the pressure rise ratio of the ② compressor and the flow rate of circulating working medium are mutually restricted, so that the construction of the heavy load heat pump system is adversely affected. In addition to mechanical energy, high temperature thermal energy is also an option or a necessary option for driving energy, however, it is not easy to use high temperature thermal energy as driving energy for a vapor compression heat pump-mechanical energy provides mechanical energy to a heat pump system by a compressor, but the high temperature thermal load cannot be used in this method, and in addition, while applying high temperature thermal load to a vapor compression heat pump system, it cannot be hooked with a task of reducing the compressor? It is recognized that the ejector has advantages of simple structure, reliable operation, low investment and long service life, and is also a booster component for effectively utilizing high-temperature heat resources, and driving heat energy is hopeful to be provided to the heat pump system through the ejector. If the ejector is used for acquiring high-temperature heat load and simultaneously bearing part of working medium boosting task, the two-purpose hydraulic booster has the effect of one purpose. Based on the principle of simply, actively and efficiently utilizing energy to perform refrigeration or heating, the invention creates the compression-injection heat pump which is integrated with technology, reasonable flow, simple structure, low cost, reasonable performance index and combined drive of heat energy and mechanical energy. The invention comprises the following steps: The main purpose of the present invention is to provide a compression-injection type heat pump system, and the specific summary of the invention is as follows: 1. The compression-injection heat pump system mainly comprises a compressor, a heat supplier, a booster pump, a steam generator, a throttle valve, an evaporator and an injector, wherein the compressor is provided with a refrigerant steam channel which is communicated with the heat supplier, a condensate pipeline which is communicated with the steam generator through the booster pump, the heat supplier is also provided with a condensate pipeline which is communicated with the evaporator through the throttle valve, the steam generator is also provided with a working steam channel which is communicated with a high-pressure steam inlet of the injector, the evaporator is also provided with a refrigerant steam channel which is communicated with a low-pressure steam inlet of the injector, the injector is also provided with a medium-pressure refrigerant steam channel which is communicated with the compressor, the heat supplier is also provided with a heated medium channel which is communicated with the outside, and the steam generator is also provided with a driving heat medium channel which is communicated with the outside, so that the compression-injection heat pump system is formed. 2. The compression-injection heat pump system mainly comprises a compressor, a heat supplier, a throttle valve, an evaporator and an injector, wherein the compressor is provided with a refrigerant steam channel which is communicated with the heat supplier, a condensate pipeline which is communicated with the evaporator through the throttle valve, the heat supplier is also provided with a condensate pipeline which is communicated with the outside, the outside is provided with a working steam channel which is communicated with a high-pressure steam inlet of the injector, the evaporator is also provided with a refrigerant steam channel which is communicated with a low-pressure steam inlet of the injector, the injector is also provided with a medium-pressure refrigerant steam channel which is communicated with the compressor, the heat supplier is also provided with a heated 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 the compression-injection heat pump system. 3. The compression-injection heat pump system according to claim 1 or 2 is characterized in that a regenerator is added, the heat supply device is provided with a condensate pipe which is communicated with the evaporator through a throttle valve, the heat supply device is