CN108507208A - Three temp, refrigerating system of a machine of three-level injection - Google Patents
Three temp, refrigerating system of a machine of three-level injection Download PDFInfo
- Publication number
- CN108507208A CN108507208A CN201810357517.4A CN201810357517A CN108507208A CN 108507208 A CN108507208 A CN 108507208A CN 201810357517 A CN201810357517 A CN 201810357517A CN 108507208 A CN108507208 A CN 108507208A
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- Prior art keywords
- connect
- entrance
- evaporator
- outlet
- way
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2341/00—Details of ejectors not being used as compression device; Details of flow restrictors or expansion valves
- F25B2341/001—Ejectors not being used as compression device
- F25B2341/0015—Ejectors not being used as compression device using two or more ejectors
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The present invention discloses a kind of three temp, refrigerating system of a machine of three-level injection, the outlet of its refrigeration compressor is connect with condenser inlet, and condensator outlet connect with the main fluid entrance of three-level injection injector, connect all the way with the first evaporator inlet through the first heating power expansion valve all the way；The outlet of three-level injection injector diffuser is connect with gas-liquid separator fluid-mixing entrance, gas-liquid separator gas vent is connect with refrigeration compressor entrance, and gas-liquid separator liquid outlet connect through the second heating power expansion valve with the second evaporator inlet all the way, is connect all the way with third evaporator inlet through third heating power expansion valve；Three driving fluid entrances that injector is sprayed in the outlet of three evaporators with three-level respectively are correspondingly connected with.The present invention can improve the performance of refrigeration system, and simple in structure.
Description
Technical field
The present invention relates to Cold Chain Logistics freezing and refrigeration technical fields, and in particular to the three temperature refrigeration system of a machine of three-level injection
System.
Background technology
Refrigerating plant in freezing and refrigeration field, especially large-scale centralized warehouse logistics distribution centre, it is often necessary to store
Different articles need cold different temperature, and evaporating temperature is also different, if with the system of a host, typically use heat
Power expands the feed flow of valve regulation difference evaporating temperature evaporator, and the return-air to ensure each evaporator is unobstructed, and high pressure steaming does not occur
Hair device is collaborated to low pressure evaporator, evaporating pressure regulating valve need to be arranged in the evaporator outlet of relatively high evaporating temperature, relatively
Check valve is arranged in the evaporator outlet of relatively low evaporating temperature, and system is relative complex, and cryogenic vaporizer pressure is low, the pressure of compressor
Than big, wasted work is more, and system performance declines.
Invention content
The purpose of the present invention is being directed to technological deficiency existing in the prior art, the three temperature refrigeration of a machine of three-level injection is provided
System.
The technical solution adopted by the present invention to solve the technical problems is：
Three temp, refrigerating system of a machine of three-level injection, including condenser, refrigeration compressor, gas-liquid separator, the second heating power
Expansion valve, third heating power expansion valve, third evaporator, the second evaporator, three-level injection injector, the first evaporator, the first heat
Power expansion valve；The outlet of refrigeration compressor and the entrance of condenser connect, and the outlet of condenser is divided into two-way, are sprayed all the way with three-level
The main fluid entrance connection for penetrating injector, connect through the first heating power expansion valve with the entrance of the first evaporator all the way；First evaporation
The first driving fluid entrance that injector is sprayed in the outlet of device with three-level is connect, and three-level sprays diffuser outlet and the gas of injector
The fluid-mixing entrance of liquid/gas separator connects, and the gas vent of gas-liquid separator and the entrance of refrigeration compressor connect, gas-liquid point
Liquid outlet from device is divided into two-way, is connect all the way with the entrance of the second evaporator through the second heating power expansion valve, all the way through third
Heating power expansion valve is connect with the entrance of third evaporator；Second flow type pump with injection of the outlet of the second evaporator and three-level injection injector
Body entrance connects, and the outlet of third evaporator is connect with the third driving fluid entrance of three-level injection injector.
The three-level injection injector includes that axial the first mixing chamber, the second mixing chamber, third to connect that be sequentially connected in series mixes
Close room and diffuser；First mixing chamber, the second mixing chamber are equipped with nozzle in third mixing chamber respectively in axial direction, radial to set respectively
There are the first driving fluid entrance, the second driving fluid entrance and third driving fluid entrance；First mixing chamber is axially arranged with
Main fluid entrance.
Compared with prior art, the beneficial effects of the invention are as follows：
Three temp, refrigerating system of a machine of the three-level injection of the present invention realizes three kinds using the ejector action of three-level injector
Different evaporating temperatures is cold cooling of different storage temperature demands, improves conventional refrigerant system and utilizes evaporating pressure tune
Valve is saved, the pressure of the evaporator outlet return-air of relatively high evaporating temperature is reduced, reduces the suction pressure of refrigeration compressor.And
Using diffuser diffusion, the pressure of the evaporator outlet return-air of relatively low evaporating temperature is improved, the suction of refrigeration compressor is improved
Enter pressure, reduce pressure ratio, reduces power consumption, improve the performance of refrigeration system, simultaneity factor is simple in structure, economizes on resources.
Description of the drawings
Fig. 1 show the three temp, refrigerating system schematic diagram of a machine of the three-level injection of the present invention；
Specific implementation mode
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
It is shown in Figure 1, three temp, refrigerating system of a machine of three-level injection, including：
Condenser 1, refrigeration compressor 2, gas-liquid separator 3, the second heating power expansion valve 4, third heating power expansion valve 5, third
Evaporator 6, the second evaporator 7, three-level injection injector 8, the first evaporator 9, the first heating power expansion valve 10.
The outlet of refrigeration compressor 2 is connect with the entrance of condenser 1, and the outlet of condenser 1 is divided into two-way, all the way with three-level
The main fluid entrance connection for spraying injector 8, connect through the first heating power expansion valve 10 with the entrance of the first evaporator 9 all the way, the
The first driving fluid entrance that injector 8 is sprayed in the outlet of one evaporator 9 with three-level is connect, and three-level sprays the diffusion of injector 8
Section outlet is connect with the fluid-mixing entrance of gas-liquid separator 3, the gas vent of gas-liquid separator 3 and entering for refrigeration compressor 2
Mouth connection, the liquid outlet of gas-liquid separator 3 are divided into two-way, all the way the entrance through the second heating power expansion valve 4 and the second evaporator 7
Connection, connect through third heating power expansion valve 5 with the entrance of third evaporator 6 all the way, and outlet and the three-level of the second evaporator 7 are sprayed
Second driving fluid entrance of injector 8 connects, the third flow type pump with injection of the outlet and three-level injection injector 8 of third evaporator 6
Body entrance connects.
The three-level injection injector 8 includes that axial the first mixing chamber, the second mixing chamber, third to connect that be sequentially connected in series mixes
Close room and diffuser, the first mixing chamber, the second mixing chamber are equipped with nozzle in third mixing chamber, radial set respectively respectively in axial direction
There is corresponding driving fluid entrance；First mixing chamber is axially arranged with main fluid entrance.
Wherein, in the specific implementation, in the present invention, the nozzle orifice size of three-level injection injector 8, diffuser
Diffusion ratio, according to the operating mode and load setting of refrigeration system.
When refrigeration system is run, the high temperature and high pressure gas that refrigeration compressor 2 is discharged enters condenser 1, and it is solidifying to release heat
The high temperature high pressure liquid of knot is divided into two-way, enters all the way through main fluid entrance in the first mixing chamber of three-level injection injector 8 and sprays
Mouth expansion decompression, injection after 10 reducing pressure by regulating flow of the first heating power expansion valve, into the first evaporator 9, be first cold for enfleurage
It is risen after heat into gas, expands and be depressured through the second mixing chamber inner nozzle after being mixed in the first mixing chamber, the second evaporator of injection 7
Exit gas is expanded through third mixing chamber inner nozzle after being mixed in the second mixing chamber and is depressured, the outlet of injection third evaporator 6
Gas sprays the diffuser of injector 8 after the mixing of third mixing chamber through three-level, and diffusion fluid enters gas-liquid separator 3, detaches
Gas enter refrigeration compressor 2, the liquid of separation is divided into two-way, all the way through the second heating power expansion valve 4 enter the second evaporator
7, it is second cold cooling, enters third evaporator 6 through third heating power expansion valve 5 all the way, is cold cooling of third.
The above is only a preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (2)
1. three temp, refrigerating system of a machine of three-level injection, characterized in that including condenser, refrigeration compressor, gas-liquid separator,
Two heating power expansion valves, third heating power expansion valve, third evaporator, the second evaporator, three-level injection injector, the first evaporator,
First heating power expansion valve；The entrance of the outlet of refrigeration compressor and condenser connects, and the outlet of condenser is divided into two-way, all the way with
Three-level sprays the main fluid entrance connection of injector, is connect all the way with the entrance of the first evaporator through the first heating power expansion valve；The
The first driving fluid entrance that injector is sprayed in the outlet of one evaporator with three-level is connect, and the diffuser of three-level injection injector goes out
Mouth is connect with the fluid-mixing entrance of gas-liquid separator, and the gas vent of gas-liquid separator and the entrance of refrigeration compressor connect,
The liquid outlet of gas-liquid separator is divided into two-way, is connect all the way with the entrance of the second evaporator through the second heating power expansion valve, all the way
It is connect with the entrance of third evaporator through third heating power expansion valve；The outlet of second evaporator and the second of three-level injection injector
Driving fluid entrance connects, and the outlet of third evaporator is connect with the third driving fluid entrance of three-level injection injector.
2. three temp, refrigerating system of a machine of three-level injection according to claim 1, characterized in that the three-level sprays injector
It is sequentially connected in series the first mixing chamber to connect, the second mixing chamber, third mixing chamber and diffuser including axial；First mixing chamber,
Nozzle is equipped in two mixing chambers, third mixing chamber respectively in axial direction, is radially respectively equipped with the first driving fluid entrance, the second injection
Fluid inlet and third driving fluid entrance；First mixing chamber is axially arranged with main fluid entrance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810357517.4A CN108507208A (en) | 2018-04-20 | 2018-04-20 | Three temp, refrigerating system of a machine of three-level injection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810357517.4A CN108507208A (en) | 2018-04-20 | 2018-04-20 | Three temp, refrigerating system of a machine of three-level injection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108507208A true CN108507208A (en) | 2018-09-07 |
Family
ID=63383123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810357517.4A Pending CN108507208A (en) | 2018-04-20 | 2018-04-20 | Three temp, refrigerating system of a machine of three-level injection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108507208A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109682101A (en) * | 2019-01-28 | 2019-04-26 | 天津商业大学 | Three warm cold supply systems of the direct condensation by contact with injector |
| CN109724283A (en) * | 2019-02-02 | 2019-05-07 | 天津商业大学 | A kind of carbon dioxide refrigerating system with injector |
| CN115540392A (en) * | 2022-11-29 | 2022-12-30 | 安徽普泛能源技术有限公司 | Anti-crystallization step decompression absorption equipment and absorption type refrigeration system and process thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101097100A (en) * | 2006-06-30 | 2008-01-02 | 富士电机零售设备系统株式会社 | Cold-producing medium loop |
| CN102563945A (en) * | 2012-02-16 | 2012-07-11 | 西安交通大学 | Refrigeration circulating system with double-stage-injection ejector |
| CN102778076A (en) * | 2012-07-12 | 2012-11-14 | 西安交通大学 | Novel compression/injection mixed refrigerating cyclic system used for double-temperature refrigerator |
| CN208222890U (en) * | 2018-04-20 | 2018-12-11 | 天津商业大学 | Three temp, refrigerating system of a machine of three-level injection |
-
2018
- 2018-04-20 CN CN201810357517.4A patent/CN108507208A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101097100A (en) * | 2006-06-30 | 2008-01-02 | 富士电机零售设备系统株式会社 | Cold-producing medium loop |
| CN102563945A (en) * | 2012-02-16 | 2012-07-11 | 西安交通大学 | Refrigeration circulating system with double-stage-injection ejector |
| CN102778076A (en) * | 2012-07-12 | 2012-11-14 | 西安交通大学 | Novel compression/injection mixed refrigerating cyclic system used for double-temperature refrigerator |
| CN208222890U (en) * | 2018-04-20 | 2018-12-11 | 天津商业大学 | Three temp, refrigerating system of a machine of three-level injection |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109682101A (en) * | 2019-01-28 | 2019-04-26 | 天津商业大学 | Three warm cold supply systems of the direct condensation by contact with injector |
| CN109724283A (en) * | 2019-02-02 | 2019-05-07 | 天津商业大学 | A kind of carbon dioxide refrigerating system with injector |
| CN109724283B (en) * | 2019-02-02 | 2024-05-28 | 天津商业大学 | Carbon dioxide refrigerating system with ejector |
| CN115540392A (en) * | 2022-11-29 | 2022-12-30 | 安徽普泛能源技术有限公司 | Anti-crystallization step decompression absorption equipment and absorption type refrigeration system and process thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180907 |
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| RJ01 | Rejection of invention patent application after publication |