CN208332729U - Recycle the one machine dual temperature refrigeration system of second level injection of expansion work - Google Patents
Recycle the one machine dual temperature refrigeration system of second level injection of expansion work Download PDFInfo
- Publication number
- CN208332729U CN208332729U CN201820566946.8U CN201820566946U CN208332729U CN 208332729 U CN208332729 U CN 208332729U CN 201820566946 U CN201820566946 U CN 201820566946U CN 208332729 U CN208332729 U CN 208332729U
- Authority
- CN
- China
- Prior art keywords
- outlet
- connect
- entrance
- evaporator
- fluid
- Prior art date
- 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.)
- Expired - Fee Related
Links
Landscapes
- Sorption Type Refrigeration Machines (AREA)
Abstract
The utility model discloses a kind of one machine dual temperature refrigeration system of second level injection for recycling expansion work, the outlet of its refrigeration compressor is connect with condenser inlet, and condensator outlet is connect with two-stage injection injector main fluid entrance all the way, another way and regenerator high pressure fluid entrances connect；Regenerator high pressure fluid output is connect with the first expander inlet, first expander outlet is connect with the first evaporator inlet, the outlet of two-stage injection injector diffuser is connect with gas-liquid separator fluid-mixing entrance, gas-liquid separator gas vent is connect with regenerator cry-fluid inlet, regenerator cryogenic fluid outlet is connect with refrigeration compressor entrance, gas-liquid separator liquid outlet is connect with the second expander inlet, and the second expander outlet is connect with the second evaporator inlet；The outlet of first evaporator and the second evaporator is connect with the first, second driving fluid entrance of two-stage injection injector respectively.The utility model can improve performance of refrigerant systems.
Description
Technical field
The utility model relates to Cold Chain Logistics freezing and refrigeration technical fields, and in particular to it is a kind of recycle expansion work second level draw
Penetrate a machine dual temperature refrigeration system.
Background technique
In Cold Chain Logistics freezing and refrigeration field, refrigerating plant stores different articles, needs cold different temperature, and two
Different cold of evaporating temperature can use two library refrigeration system of a machine, usually be evaporated using thermal expansion valve regulation difference
The feed flow of temperature evaporator, the return-air to guarantee each evaporator is unobstructed, and high pressure evaporator does not occur and collaborates to low pressure evaporator,
Evaporating pressure regulating valve need to be set in the evaporator outlet of higher evaporating temperature, the evaporator outlet of relatively low evaporating temperature is set
Check valve is set, system is relative complex, and cryogenic vaporizer pressure is low, and the pressure ratio of compressor is big, and wasted work is more, meanwhile, thermal expansion
Valve reducing pressure by regulating flow causes high-pressure energy to lose, performance of refrigerant systems decline.
Utility model content
The purpose of this utility model is that it is cold to provide a kind of Cold Chain Logistics freezing for technological deficiency existing in the prior art
The one machine dual temperature refrigeration system of second level injection of the recycling expansion work in hiding field.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
Recycle the one machine dual temperature refrigeration system of second level injection of expansion work, including condenser, refrigeration compressor, regenerator, the
One expanding machine, gas-liquid separator, the second expanding machine, the second evaporator, two-stage injection injector, the first evaporator；The refrigeration
The entrance of the outlet of compressor and condenser connects, and the outlet of condenser is divided into two-way, all the way with the master of two-stage injection injector
The high pressure fluid entrances of fluid inlet connection, another way and regenerator connect；The high pressure fluid output of regenerator and the first expansion
The entrance of machine connects, and the outlet of the first expanding machine is connect with the entrance of the first evaporator, and the outlet of the first evaporator and second level are sprayed
Penetrate the first driving fluid entrance connection of injector, the mixed flow of the diffuser outlet and gas-liquid separator of two-stage injection injector
The connection of body entrance, the gas vent of gas-liquid separator and the cry-fluid inlet of regenerator connect, and the cryogen of regenerator goes out
Mouth is connect with the entrance of refrigeration compressor, and the liquid outlet of gas-liquid separator is connect with the entrance of the second expanding machine, the second expansion
The outlet of machine is connect with the entrance of the second evaporator, the outlet of the second evaporator and the second driving fluid of two-stage injection injector
Entrance connection.
The two-stage injection injector includes axially being sequentially connected in series the first mixing chamber, the second mixing chamber and diffusion to connect
Section；Be equipped with respectively in axial direction in first mixing chamber and the second mixing chamber nozzle, it is radial be respectively equipped with the first driving fluid entrance with
And the second driving fluid entrance；First mixing chamber is axially arranged with main fluid entrance.
Compared with prior art, the utility model has the beneficial effects that
1. the one machine dual temperature refrigeration system of second level injection of the recycling expansion work of the utility model, utilizes drawing for second injector
Two kinds of different evaporating temperatures are realized in the effect of penetrating, and are cold cooling supply of different storage temperature demands, are improved conventional refrigerant system
Using evaporating pressure regulating valve, the pressure of the evaporator outlet return-air of relatively high evaporating temperature is reduced, reduces refrigeration compressor
Suction pressure.And diffuser diffusion is utilized, the pressure of the evaporator outlet return-air of relatively low evaporating temperature is improved, system is improved
The suction pressure of cold compressor reduces pressure ratio, reduces power consumption, improves the performance of refrigeration system.
2. the one machine dual temperature refrigeration system of second level injection of the recycling expansion work of the utility model recycles high pressure using expanding machine
The expansion work of gas expansion reduces expansion energy loss, and the highly pressurised liquid supercooling before expanding machine is made using regenerator reduces evaporation
Device entrance enthalpy improves refrigerating capacity, and system structure is simple, economizes on resources.
Detailed description of the invention
Fig. 1 show the one machine dual temperature refrigeration system schematic diagram of second level injection of the recycling expansion work of the utility model；
Specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
It is shown in Figure 1, a kind of one machine dual temperature refrigeration system of second level injection recycling expansion work, comprising:
Condenser 1, refrigeration compressor 2, regenerator 3, the first expanding machine 4, gas-liquid separator 5, the second expanding machine 6, second
Evaporator 7, two-stage injection injector 8, the first evaporator 9；
The outlet of the 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
The main fluid entrance of two-stage injection injector 8 connects, and another way is connect with the high pressure fluid entrances of regenerator 3, the height of regenerator 3
Pressure fluid outlet is connect with the entrance of the first expanding machine 4, and the outlet of the first expanding machine 4 is connect with the entrance of the first evaporator 9, the
The outlet of one evaporator 9 is connect with the first driving fluid entrance of two-stage injection injector 8, the diffusion of two-stage injection injector 8
Section outlet is connect with the fluid-mixing entrance of gas-liquid separator 5, the gas vent of gas-liquid separator 5 and the low temperature stream of regenerator 3
The connection of body entrance, the cryogenic fluid outlet of regenerator 3 are connect with the entrance of refrigeration compressor 2, the liquid outlet of gas-liquid separator 5
It is connect with the entrance of the second expanding machine 6, the outlet of the second expanding machine 6 is connect with the entrance of the second evaporator 7, the second evaporator 7
Outlet connect with the second driving fluid entrance of two-stage injection injector 8.
The two-stage injection injector 8 includes axially being sequentially connected in series the first mixing chamber, the second mixing chamber and diffusion to connect
Section is equipped with nozzle in the first mixing chamber and the second mixing chamber respectively in axial direction, be radially respectively equipped with the first driving fluid entrance and
Second driving fluid entrance, the first mixing chamber are axially arranged with main fluid entrance.
Specifically, the diffusion ratio of the nozzle orifice size of the two-stage injection injector 8, diffuser, according to refrigeration system
Operating condition and load setting.
When refrigeration system operation, 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, and all the way after regenerator is subcooled, into the first expanding machine 4, another way enters through main fluid
Mouthful enter two-stage injection injector 8, through the first mixing chamber inner nozzle expand be depressured, injection through the first expanding machine 4 expansion decompression after,
It is to be risen after first cold cooling supply is absorbed heat at gas, through the second mixing chamber after being mixed in the first mixing chamber into the first evaporator 9
Inner nozzle expansion decompression, the exit gas of the second evaporator of injection 7, through two-stage injection injection after being mixed in the second mixing chamber
The diffuser of device 8, diffusion fluid enter gas-liquid separator 5, and isolated gas enters refrigeration compressor 2 after the heat absorption of regenerator 3,
Isolated liquid enters the second evaporator 7 through the second expanding machine 6, is second cold cooling supply.
The above is only the preferred embodiment of the utility model, it is noted that for the general of the art
For logical technical staff, without departing from the principle of this utility model, several improvements and modifications can also be made, these change
It also should be regarded as the protection scope of the utility model into retouching.
Claims (2)
1. recycling the one machine dual temperature refrigeration system of second level injection of expansion work, characterized in that including condenser, refrigeration compressor, return
Hot device, the first expanding machine, gas-liquid separator, the second expanding machine, the second evaporator, two-stage injection injector, the first evaporator；Institute
The entrance of the outlet and condenser of stating refrigeration compressor connects, and the outlet of condenser is divided into two-way, all the way with two-stage injection injection
The main fluid entrance of device connects, and the high pressure fluid entrances of another way and regenerator connect；The high pressure fluid output of regenerator and
The entrance of one expanding machine connects, and the outlet of the first expanding machine is connect with the entrance of the first evaporator, the outlet of the first evaporator and
First driving fluid entrance of two-stage injection injector connects, diffuser outlet and the gas-liquid separator of two-stage injection injector
The connection of fluid-mixing entrance, the gas vent of gas-liquid separator and the cry-fluid inlet of regenerator connect, the low temperature of regenerator
The connection of the entrance of fluid outlet and refrigeration compressor, the liquid outlet of gas-liquid separator are connect with the entrance of the second expanding machine, the
The outlet of two expanding machines is connect with the entrance of the second evaporator, and the outlet of the second evaporator is drawn with the second of two-stage injection injector
The connection of jet body entrance.
2. recycling the one machine dual temperature refrigeration system of second level injection of expansion work according to claim 1, characterized in that the second level
Injection injector includes axially being sequentially connected in series the first mixing chamber, the second mixing chamber and diffuser to connect；First mixing chamber and
In two mixing chambers respectively in axial direction be equipped with nozzle, radial direction is respectively equipped with the first driving fluid entrance and the second driving fluid enters
Mouthful；First mixing chamber is axially arranged with main fluid entrance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820566946.8U CN208332729U (en) | 2018-04-20 | 2018-04-20 | Recycle the one machine dual temperature refrigeration system of second level injection of expansion work |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820566946.8U CN208332729U (en) | 2018-04-20 | 2018-04-20 | Recycle the one machine dual temperature refrigeration system of second level injection of expansion work |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208332729U true CN208332729U (en) | 2019-01-04 |
Family
ID=64781970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820566946.8U Expired - Fee Related CN208332729U (en) | 2018-04-20 | 2018-04-20 | Recycle the one machine dual temperature refrigeration system of second level injection of expansion work |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208332729U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242623A (en) * | 2019-07-09 | 2019-09-17 | 西安交通大学 | It is a kind of to utilize high-pressure natural gas hydraulic recovery system and its operation method |
| CN111692770A (en) * | 2019-03-15 | 2020-09-22 | 开利公司 | Ejector and refrigeration system |
-
2018
- 2018-04-20 CN CN201820566946.8U patent/CN208332729U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111692770A (en) * | 2019-03-15 | 2020-09-22 | 开利公司 | Ejector and refrigeration system |
| CN111692770B (en) * | 2019-03-15 | 2023-12-19 | 开利公司 | Ejector and refrigeration system |
| CN110242623A (en) * | 2019-07-09 | 2019-09-17 | 西安交通大学 | It is a kind of to utilize high-pressure natural gas hydraulic recovery system and its operation method |
| CN110242623B (en) * | 2019-07-09 | 2023-08-01 | 西安交通大学 | System for recycling residual pressure of high-pressure natural gas and operation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103069226B (en) | Ejector type refrigerating cycle and use the refrigerating plant of this circulation | |
| CN110345690B (en) | Double-ejector synergistic refrigeration cycle system for double-temperature refrigerator and working method | |
| CN105546863B (en) | A kind of Auto-cascade cycle list temperature or Duel-temperature refrigeration cycle system using injector synergy | |
| CN103954061B (en) | The one-stage steam compressed formula circulatory system of cold synergy crossed by a kind of injector | |
| CN102128508A (en) | Ejector throttling and vapor supplementing system and heat pump or refrigerating system vapor supplementing method | |
| CN101000180B (en) | Two-stage and three-stage absorption refrigeration machine | |
| CN103759449B (en) | The two-stage steam compression type circulatory system of dual jet synergy | |
| CN103148629A (en) | Gas-liquid phase ejector synergy refrigeration system for double temperature direct cooling-type refrigerator | |
| CN110319612A (en) | The carbon dioxide two-stage refrigeration circulatory system and its working method of injector synergy | |
| CN201666686U (en) | Throttling air supply system with ejectors | |
| CN101464069A (en) | Thermal injection and vortex flow combined air conditioner | |
| CN103776189A (en) | Gas-supplying enthalpy-increasing type heat pump circulating system with ejector for heat pump device | |
| CN108344195A (en) | Recycle the one machine dual temperature refrigeration system of two level injection of expansion work | |
| CN104019579A (en) | Mixed working medium low-temperature refrigerating cycle system driving ejector through waste heat | |
| CN208332729U (en) | Recycle the one machine dual temperature refrigeration system of second level injection of expansion work | |
| CN110030756A (en) | A kind of Trans-critical cycle CO with injector2Multi-temperature zone supermarket cold-hot combined supply system | |
| CN109506383A (en) | The direct condensation by contact cooling cycle system of three-level overlapping | |
| CN201047685Y (en) | Energy-saving type marine injector refrigerating cycle device | |
| CN108375233A (en) | A kind of folding type cooling system with backheat and injection decompression | |
| CN108507208A (en) | Three temp, refrigerating system of a machine of three-level injection | |
| CN101586482B (en) | Low-temperature type engine and heat regenerating method thereof | |
| CN208222897U (en) | A kind of folding type cooling system with backheat and injection decompression | |
| CN108679878A (en) | Using the self-cascade refrigeration system system and refrigerating and circulating method of dual jet synergy | |
| CN211120091U (en) | Cascade refrigeration system with supercooling and injection depressurization | |
| CN208222890U (en) | Three temp, refrigerating system of a machine of three-level injection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190104 Termination date: 20190420 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |