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CN-121993917-A - Compression-injection steam generating system

CN121993917ACN 121993917 ACN121993917 ACN 121993917ACN-121993917-A

Abstract

The invention provides a compression-injection type steam generation 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 is communicated with an ejector high-pressure steam inlet, the evaporator is communicated with an ejector low-pressure steam inlet, the ejector is communicated with the compressor, the outside has a liquid medium pipeline communicated with the second steam generator by a second booster pump, the second steam generator is communicated with a second ejector high-pressure steam inlet, the outside has a heated medium channel communicated with the heater and then communicated with the second ejector low-pressure steam inlet, the second ejector has a user steam channel communicated with the outside, the steam generator and the second steam generator also have driving heat medium channels respectively communicated with the outside, and the evaporator also has a low-temperature heat medium channel communicated with the outside to form a compression-injection steam generation system.

Inventors

  • LI HUAYU
  • LI HONGRUI

Assignees

  • 李华玉

Dates

Publication Date
20260508
Application Date
20260203
Priority Date
20250212

Claims (14)

  1. 1. The compression-injection type steam generation system mainly comprises a compressor, a heat supplier, a booster pump, a steam generator, a throttle valve, an evaporator, an ejector, a second booster pump, a second steam generator and a second ejector, wherein the compressor (1) is provided with a refrigerant steam channel which is communicated with the heat supplier (2), a condensate pipeline which is communicated with the steam generator (4) through the booster pump (3), the heat supplier (2) is also provided with a condensate pipeline which is communicated with the evaporator (6) through the throttle valve (5), the steam generator (4) is also provided with a working steam channel which is communicated with a high-pressure steam inlet of the ejector (7), the evaporator (6) is also provided with a low-pressure steam leading-in port of the ejector (7), the ejector (7) is also provided with a medium-pressure refrigerant steam channel which is communicated with the compressor (1), the outside is provided with a liquid medium pipeline which is communicated with the second steam generator (9) through the second booster pump (8), the second steam generator (9) is also provided with a working steam channel which is communicated with a high-pressure steam inlet of the second ejector (10), the outside is also provided with a low-pressure steam channel which is communicated with the second steam generator (9) which is further communicated with the low-pressure steam channel which is respectively driven by the heat supplier (6) and the low-pressure steam generator (9), forming a compression-injection steam generating system.
  2. 2. The compression-injection type steam generation system mainly comprises a compressor, a heat supplier, a booster pump, a steam generator, a throttle valve, an evaporator, an ejector and a second ejector, 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 ejector (7) through a working steam channel, the evaporator (6) is also communicated with a refrigerant steam channel of the ejector (7) through a low-pressure steam inlet, the ejector (7) is also communicated with the compressor (1) through a medium-pressure refrigerant steam channel, the outside is also communicated with a high-pressure steam inlet of the second ejector (10), a heated medium channel is also communicated with the outside of the heat supplier (2) and then is communicated with a second ejector (10), the second ejector (10) is also communicated with a high-pressure steam inlet, the evaporator (6) is also communicated with a low-temperature heat medium channel of the user, and the evaporator (6) is also communicated with an external heat medium channel, and a compression system is also formed.
  3. 3. In the compression-injection type steam generation system according to claim 1 or claim 2, a regenerator (11) is added, a condensate pipe of the heat supplier (2) is communicated with the evaporator (6) through a throttle valve (5) and is adjusted to be communicated with the evaporator (6) through the regenerator (11) and the throttle valve (5), a medium-pressure refrigerant steam channel of the ejector (7) is communicated with the compressor (1) and is adjusted to be communicated with the compressor (1) through the regenerator (11), and the compression-injection type steam generation system is formed.
  4. 4. In the compression-injection type steam generation system according to claim 1 or claim 2, a regenerator (11) is added, a condensate pipe of the heat supplier (2) is communicated with the evaporator (6) through a throttle valve (5) and is adjusted to be communicated with the evaporator (6) through the regenerator (11) and the throttle valve (5), a low-pressure steam inlet of the ejector (7) is adjusted to be communicated with the low-pressure steam inlet of the ejector (7) after the evaporator (6) is communicated with the regenerator (11) through a refrigerant steam channel, and the compression-injection type steam generation system is formed.
  5. 5. In the compression-injection type steam generation system according to claim 1 or claim 2, a regenerator (11) and a second regenerator (12) are added, the communication between the evaporator (6) and the evaporator (2) through a throttle valve (5) is adjusted to be that the evaporator (2) is provided with a condensate pipeline, the evaporator (6) is communicated with the second regenerator (12) through the throttle valve (11), the evaporator (6) is provided with a refrigerant steam channel, the low-pressure steam inlet of the ejector (7) is adjusted to be that the evaporator (6) is provided with a refrigerant steam channel, the low-pressure steam inlet of the ejector (7) is communicated after the second regenerator (12), and the communication between the ejector (7) and the compressor (1) is adjusted to be that the ejector (7) is provided with a medium-pressure refrigerant steam channel, the medium-pressure refrigerant steam channel is communicated with the compressor (1) through the evaporator (11), so as to form the compression-injection type steam generation system.
  6. 6. In the compression-injection type steam generation system according to claim 1 or claim 2, a regenerator, an expander and a second heat supplier are added, the communication between the refrigerant steam channel of the compressor (1) and the heat supplier (2) is adjusted to be two paths after the refrigerant steam channel of the compressor (1) is communicated with the second heat supplier (14), the first path is communicated with the heat supplier (2) and the second path is communicated with the expander (13), the expander (13) is also communicated with the heat supplier (11) through an intermediate port after the refrigerant steam channel is communicated with the regenerator (11), the condensate pipe of the heat supplier (2) is communicated with the evaporator (6) through a throttle valve (5) to be adjusted to be the communication between the refrigerant medium pipe of the heat supplier (2) and the evaporator (6) through the throttle valve (11) and the throttle valve (5), and the second heat supplier (14) is also communicated with the outside through the heated medium channel, and the expander (13) is connected with the compressor (1) and transmits power to form the compression-injection type steam generation system.
  7. 7. In the compression-injection type steam generation system according to claim 1 or claim 2, a regenerator, a second regenerator, an expander and a second heater are added, the communication between the refrigerant steam channel of the compressor (1) and the heater (2) is adjusted to be two paths after the refrigerant steam channel of the compressor (1) is communicated with the second heater (14), namely, the first path is communicated with the heater (2) and the second path is communicated with the expander (13), the expander (13) is communicated with the compressor (1) through an intermediate port after the refrigerant steam channel is communicated with the regenerator (11), a condensate pipeline of the heater (2) is communicated with the evaporator (6) through a throttle valve (5) to be adjusted to be completely condensed or incompletely condensed, the refrigerant medium pipeline of the heater (2) is communicated with the evaporator (6) through the regenerator (11), the second regenerator (12) and the throttle valve (5), the low-pressure steam inlet of the evaporator (6) is adjusted to be the evaporator (7) through a low-pressure steam inlet of the evaporator (7), the low-pressure steam channel of the evaporator (7) is communicated with the second evaporator (14), and the refrigerant medium is further communicated with the power-expansion system after the refrigerant steam channel is formed, and the refrigerant medium is further communicated with the evaporator (1) through the second evaporator (14), and the power is further communicated with the power-pressure-expansion system.
  8. 8. In the compression-injection type steam generation system according to any one of claims 1to 7, a two-phase expander (15) is added to replace the throttle valve (5), and the two-phase expander (15) is connected with the compressor (1) and transmits power to form the compression-injection type steam generation system.
  9. 9. A compression-injection steam generating system, wherein a nozzle (16) is added to replace a throttle valve (5) in any one of the compression-injection steam generating systems according to claims 1 to 7, to form a compression-injection steam generating system.
  10. 10. In the compression-injection type steam generation system according to any one of claims 6 to 7, a spray pipe (16) is added to replace a throttle valve (5), a dual-energy compressor (17) is added to replace a compressor (1), and an expansion speed increaser (18) is added to replace an expander (13) to form the compression-injection type steam generation system.
  11. 11. In the compression-injection type steam generation system, a spray pipe and a steam dividing chamber are added in the compression-injection type steam generation system according to claim 1 or claim 2, a condensate pipe of a heat supplier (2) is communicated with an evaporator (6) through a throttle valve (5), the heat supplier (2) is communicated with the steam dividing chamber (19) through the spray pipe (16), the steam dividing chamber (19) is also communicated with the compressor (1) through an intermediate port, and the steam dividing chamber (19) is also communicated with the evaporator (6) through the throttle valve (5) to form the compression-injection type steam generation system.
  12. 12. In the compression-injection type steam generation system, a regenerator, a spray pipe and a steam dividing chamber are added in the compression-injection type steam generation system according to claim 1 or claim 2, a condensate pipe which is arranged on a heat supply device (2) is communicated with an evaporator (6) through a throttle valve (5) and is adjusted to be communicated with a steam dividing chamber (19) through a spray pipe (16) when the condensate pipe is arranged on the heat supply device (2), a refrigerant steam channel which is arranged on the steam dividing chamber (19) is also communicated with a compressor (1) through an intermediate port, the steam dividing chamber (19) is also communicated with the evaporator (6) through the regenerator (11) and the throttle valve (5), and a low-pressure steam inlet which is formed by the evaporator (6) and is communicated with the ejector (7) after the refrigerant steam channel is arranged on the evaporator (6) passes through the regenerator (11) is adjusted to be communicated with a low-pressure steam inlet of the ejector (7).
  13. 13. In the compression-injection type steam generation system according to any one of claims 11 to 12, a two-phase expander (15) is added to replace the throttle valve (5), and the two-phase expander (15) is connected with the compressor (1) and transmits power to form the compression-injection type steam generation system.
  14. 14. A compression-injection steam generating system, wherein a second nozzle (20) is added to replace the throttle valve (5) in any one of the compression-injection steam generating systems according to claims 11-12, so as to form the compression-injection steam generating system.

Description

Compression-injection steam generating system Technical field: the invention belongs to the technical field of thermodynamics and heat pumps. The background technology is as follows: the heat pump technology is used for producing steam, which is an important means for realizing high-efficiency and high-value utilization of energy, and in practical application, 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 so as to achieve the purposes of simple device, cost reduction and rationalization of the performance index. For a variable-temperature type driving heat source typified by industrially accompanied heat, achieving deep utilization is an effective means for improving its utilization efficiency and utilization value. The vapor compression heat pump technology driven by mechanical energy by taking the reverse Rankine cycle as the working principle has the advantages of realizing constant temperature and heat absorption, and has the defects that the irreversibility of the compressor is increased and the manufacturing cost is increased when the vapor is provided. 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. In order to meet the steam demand, the invention provides a compression-injection type steam generation system which combines the technical integration, the heat energy and the mechanical energy, has reasonable flow, simple structure and low cost, and realizes the deep utilization of driving heat resources and rationalization of performance indexes. The invention comprises the following steps: the main object of the present invention is to provide a compression-injection steam generating system, the specific summary of which is set forth in the following: 1. The compression-injection type steam generation system mainly comprises a compressor, a heat supplier, a booster pump, a steam generator, a throttle valve, an evaporator, an injector, a second booster pump, a second steam generator and a second 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 outside is provided with a liquid medium pipeline which is communicated with the second injector through the second booster pump, the outside is provided with a low-pressure steam inlet of the second injector after being communicated with the heat supplier by the heating medium channel, the second injector is also provided with a user steam channel which is communicated with the outside, the steam generator and the second steam generator are also respectively provided with a driving heat medium channel which is also communicated with the outside, and the evaporator is also provided with the low-pressure steam channel which is communicated with the outside, so as to form the compression-injection type steam generation system. 2. The compression-injection type steam generation system mainly comprises a compressor, a heat supply device, a booster pump, a steam generator, a throttle valve, an evaporator, an injector and a second injector, wherein a refrigerant steam channel is communicated with the heat supply device, a condensate pipeline is communicated with the steam generator through the booster pump, the heat supply device is also communicated with the evaporator through the throttle valve, a working steam channel is also communicated with a high-pressure steam inlet of the injector, the evaporator is also communicated with a low-pressure steam inlet of the injector, a medium-pressure refrigerant steam channel is also communicated with the compressor, the working steam channel is externally communicated with the high-pressure steam inlet of the second injector, a heated medium channel is externally communicated with the heat supply device and then is communicated with the low-pressure steam inlet of the second injector, a user steam channel is also communicated with the outside, a driving heat medium channel is also communicated with the outside, and the evaporator is also communicated with the low-temp