CN210861790U - Double-generator continuous refrigeration injection type refrigeration system - Google Patents
Double-generator continuous refrigeration injection type refrigeration system Download PDFInfo
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- CN210861790U CN210861790U CN201921820211.4U CN201921820211U CN210861790U CN 210861790 U CN210861790 U CN 210861790U CN 201921820211 U CN201921820211 U CN 201921820211U CN 210861790 U CN210861790 U CN 210861790U
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- generator
- electromagnetic valve
- valve
- ejector
- evaporator
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
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Abstract
The utility model discloses a double-generator continuous refrigeration's injection formula refrigerating system. The outlet of the evaporator of the utility model is respectively connected with two branches, the first branch is sequentially connected with the second generator, the electromagnetic valve F3, the pressure regulating valve and the nozzle of the ejector, the second branch is directly connected with the suction chamber of the ejector, and the outlet of the diffusion chamber of the ejector is connected with the inlet of the condenser; the liquid storage device is respectively connected with an electromagnetic valve F1 and an electromagnetic valve F2, an electromagnetic valve F2 is connected with a generator II, the generator II is connected with an electromagnetic valve F6 and a waste heat source, the electromagnetic valve F1 is connected with a generator I, the generator I is connected with the waste heat source through an electromagnetic valve F8, and the generator I is connected with a pressure regulating valve pipeline through an electromagnetic valve F4. The utility model discloses the energy consumption reduces, optimizes the heat transfer, also can use the generator in turn simultaneously with waste heat recovery utilization, energy-concerving and environment-protective.
Description
Technical Field
The utility model belongs to the technical field of refrigerating system, especially, relate to can utilize used heat to come cryogenic injection formula refrigerating system.
Background
Ejector refrigeration systems are systems that rely on the action of an ejector to accomplish the refrigeration. The low-pressure ejector is composed of an ejector, an evaporator, a condenser, a throttling element and the like, a low-pressure area can be formed in the system operation process by means of a nozzle of the ejector, so that refrigerant fluid in the evaporator is ejected, then the refrigerant fluid is mixed and pressurized to enter the condenser for condensation, and the suction action of the ejector maintains certain low pressure in the evaporator, so that the refrigerant is evaporated in the evaporator to be refrigerated. However, the ejector refrigeration system requires a high pressure of working fluid, requiring a pump to increase the pressure, and is inefficient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at, utilize used heat to optimize injection formula refrigerating system, provide two generator continuous refrigeration's injection formula refrigerating system.
The double-generator continuous refrigeration injection refrigeration system comprises a condenser, a liquid storage device, a throttle valve, an evaporator, an ejector, a pressure regulating valve, a first generator, a second generator, a solenoid valve F1, a solenoid valve F2, a solenoid valve F3, a solenoid valve F4, a solenoid valve F5, a solenoid valve F6, a solenoid valve F7 and a solenoid valve F8; the outlet of the evaporator is respectively connected with a first branch and a second branch, the first branch is sequentially connected with a second generator, an electromagnetic valve F3, a pressure regulating valve and a nozzle of an ejector, the second branch is directly connected with a suction chamber of the ejector, and the outlet of a diffusion chamber of the ejector is connected with the inlet of a condenser; the liquid storage device is respectively connected with an electromagnetic valve F1 and an electromagnetic valve F2, an electromagnetic valve F2 is connected with a second generator, a second generator through electromagnetic valve F6 is connected with a waste heat source, and a second generator through electromagnetic valve F5 is connected with a cooling water pipeline; solenoid valve F1 is connected with generator one, and generator one is connected with the waste heat source through solenoid valve F8, and generator one is connected with the cooling water pipeline through solenoid valve F7, and generator one is connected with the pressure regulating valve pipeline through solenoid valve F4.
The two cooling water pipelines in the double-generator continuous refrigeration jet refrigeration system are the same pipeline.
The utility model discloses following technological effect has:
1. the generator can be used for heating the liquid discharged from the evaporator by utilizing waste heat, a certain pressure difference can be maintained between the evaporator and the condenser, the two generators can be used for alternately and continuously refrigerating, cooling water is introduced into the generators, and the system can normally run without a pump.
2. The evaporator outlet is generally superheated steam, which results in a small effective heat exchange area of the evaporator and insufficient cooling capacity. The system can ensure that the evaporator supplies liquid in an over-doubling way, increase the effective heat exchange area and enhance the heat exchange capacity.
Drawings
Fig. 1 is a flow chart of the injection type refrigeration system with double generators for continuous refrigeration of the present invention.
Detailed Description
As shown in fig. 1, the ejector-type refrigeration system for dual-generator continuous refrigeration includes a condenser 5, an accumulator 6, a throttle valve 7, an evaporator 8, an ejector 4, a pressure regulating valve 3, a generator 1, a generator 2, a solenoid valve F1, a solenoid valve F2, a solenoid valve F3, a solenoid valve F4, a solenoid valve F5, a solenoid valve F6, a solenoid valve F7, and a solenoid valve F8; the outlet of the condenser 5 is connected with a liquid storage 6, a throttle valve 7 and an evaporator 8 in sequence, the outlet of the evaporator is divided into two parts, one part of the pipeline is connected with a second generator 2, a solenoid valve F3, a pressure regulating valve 3 and a nozzle of the ejector 4, the other part of the pipeline is directly connected with a suction chamber of the ejector 4, and the outlet of a diffusion chamber of the ejector 4 is connected with the inlet of the condenser 5. In addition, the liquid storage device 6 is respectively connected with an electromagnetic valve F1 and an electromagnetic valve F2, an electromagnetic valve F2 is connected with a second generator 2, the second generator 2 is connected with a waste heat source through an electromagnetic valve F6, and cooling water in the second generator 2 is used for cooling the second generator through an electromagnetic valve F5; the electromagnetic valve F1 is connected with the generator I1, the generator I1 is connected with the waste heat source through the electromagnetic valve F8, the generator I1 is connected with the cooling water pipeline through the electromagnetic valve F7, and the generator I1 is connected with the pressure regulating valve 3 through the electromagnetic valve F4.
The system firstly opens the electromagnetic valve F2, the electromagnetic valve F3 and the electromagnetic valve F5 to enable the generator II 2 to be filled with a proper amount of refrigerant, then closes the electromagnetic valve F5, opens the electromagnetic valve F6 to enable the waste heat source to heat the refrigerant entering the generator II 2 to become high-temperature high-pressure gas, after the high-temperature high-pressure gas is adjusted to a proper pressure through the pressure adjusting valve 3, the working medium as the ejector 4 enters a nozzle to form a low-pressure area so as to eject the gas at the outlet of the evaporator 8, the mixed refrigerant enters a condenser 5 to be condensed into liquid after being mixed in the ejector 4 and pressurized by a diffusion chamber, the liquid flows through a liquid storage device 6 to be divided into two parts, one part of the refrigerant liquid passes through a throttling valve 7, the other part of the refrigerant liquid enters a generator II 2 through an electromagnetic valve F2, the refrigerant passing through the throttling valve 7 is throttled into gas-liquid two phases, the refrigerant is evaporated into the gas-liquid two phases in an evaporator 8, the two phases are divided into two paths, and the gas refrigerant carrying less liquid drops enters the ejector 4 as an injection fluid; the liquid refrigerant flows through the second generator 2, is heated in the generator by the waste heat source, and circulates in turn.
When the refrigerant in the second generator 2 is found to be less, the solenoid valve F7 is opened, then the solenoid valves F2 and F3 are closed, the solenoid valves F1 and F4 are opened until the first generator 1 is filled with a proper amount of refrigerant, the solenoid valve F7 is closed, meanwhile, the electromagnetic valve F8 is opened to heat the refrigerant entering the generator I1 by the waste heat source to become high-temperature high-pressure gas, the high-temperature high-pressure gas is adjusted to proper pressure by the pressure adjusting valve 3 and then enters a nozzle as a working medium of the ejector 4 to inject the gas at the outlet of the evaporator 8, the mixed refrigerant enters a condenser 5 to be condensed into liquid after being mixed in an ejector 4 and pressurized by a diffusion chamber, the liquid flows through a liquid storage device 6 to be divided into two parts, one part of the refrigerant liquid is throttled by a throttle valve 7, the other part of the refrigerant liquid enters a generator I1 through an electromagnetic valve F1, the throttled refrigerant liquid is evaporated and absorbs heat in an evaporator 8, and then the refrigerant liquid is divided into two paths, and the gas refrigerant carrying less liquid drops enters the ejector 4 as an injection fluid; the liquid flows through the first generator 1 where it is heated by the waste heat source, and is circulated in turn to run for a period of time before the second generator 2 is used, as described above.
The foregoing is only a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the principles of the present system, and such modifications and improvements should be considered as within the scope of the present invention.
Claims (1)
1. A double-generator continuous refrigeration jet type refrigeration system is characterized by comprising a condenser (5), a liquid storage device (6), a throttle valve (7), an evaporator (8), an ejector (4), a pressure regulating valve (3), a generator I (1), a generator II (2), an electromagnetic valve F1, an electromagnetic valve F2, an electromagnetic valve F3, an electromagnetic valve F4, an electromagnetic valve F5, an electromagnetic valve F6, an electromagnetic valve F7 and an electromagnetic valve F8; an outlet of the condenser (5) is sequentially connected with a liquid storage device (6), a throttle valve (7) and an evaporator (8), an outlet of the evaporator is respectively connected with a first branch and a second branch, the first branch is sequentially connected with a second generator (2), an electromagnetic valve F3, a pressure regulating valve (3) and a nozzle of the ejector (4), the second branch is directly connected with a suction chamber of the ejector (4), and an outlet of a diffusion chamber of the ejector (4) is connected with an inlet of the condenser (5); the liquid storage device (6) is respectively connected with an electromagnetic valve F1 and an electromagnetic valve F2, the electromagnetic valve F2 is connected with the second generator (2), the second generator (2) is connected with a waste heat source through an electromagnetic valve F6, and the second generator (2) is connected with a cooling water pipeline through an electromagnetic valve F5; the electromagnetic valve F1 is connected with the generator I (1), the generator I (1) is connected with the waste heat source through the electromagnetic valve F8, the generator I (1) is connected with the cooling water pipeline through the electromagnetic valve F7, and the generator I (1) is connected with the pressure regulating valve (3) through the electromagnetic valve F4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921820211.4U CN210861790U (en) | 2019-10-28 | 2019-10-28 | Double-generator continuous refrigeration injection type refrigeration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921820211.4U CN210861790U (en) | 2019-10-28 | 2019-10-28 | Double-generator continuous refrigeration injection type refrigeration system |
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| Publication Number | Publication Date |
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| CN210861790U true CN210861790U (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921820211.4U Expired - Fee Related CN210861790U (en) | 2019-10-28 | 2019-10-28 | Double-generator continuous refrigeration injection type refrigeration system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113669956A (en) * | 2021-08-02 | 2021-11-19 | 北京工业大学 | Adjustable generator and control method thereof |
-
2019
- 2019-10-28 CN CN201921820211.4U patent/CN210861790U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113669956A (en) * | 2021-08-02 | 2021-11-19 | 北京工业大学 | Adjustable generator and control method thereof |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200626 Termination date: 20211028 |