CN105910318B - A kind of compression condensation system with injector - Google Patents
A kind of compression condensation system with injector Download PDFInfo
- Publication number
- CN105910318B CN105910318B CN201610243722.9A CN201610243722A CN105910318B CN 105910318 B CN105910318 B CN 105910318B CN 201610243722 A CN201610243722 A CN 201610243722A CN 105910318 B CN105910318 B CN 105910318B
- Authority
- CN
- China
- Prior art keywords
- injector
- valve
- condenser
- compressor
- refrigeration compressor
- 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
Classifications
-
- 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
- F25B1/06—Compression machines, plants or systems with non-reversible cycle with compressor of jet type, e.g. using liquid under pressure
-
- 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
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
-
- 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
- F25B39/00—Evaporators; Condensers
- F25B39/04—Condensers
-
- 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
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
-
- 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
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Jet Pumps And Other Pumps (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
A kind of band ejector refrigerant recovery system of the present invention, including being recovered container, refrigeration compressor, injector, condenser and returnable, being recovered container.When for refrigerant recovery system, compressor air-discharging is driven by injector enters condenser together by injection refrigerant, without all liquid refrigerants all being flashed to that gaseous state enters compressor compresses and increasing temperature and pressure, condensation load are few；Gaseous state, liquid refrigerant recycle simultaneously, and run time is short, and the compressor service life extends.The present invention also provides a kind of refrigeration system with injector, including gas-liquid separator, refrigeration compressor, injector, condenser, restricting element and evaporator.When for refrigeration system, the liquid refrigerant that compressor air-discharging passes through injector injection gas-liquid separator, under the constant requirement of refrigeration duty, compressor suction tolerance can be reduced, so as to reduce compressor power consumption, refrigerant by compressor without that all can enter condenser, so as to reduce condensation load.
Description
Technical field
The invention belongs to physics fields, are related to a kind of compression condensation system, specifically a kind of pressure with injector
Contracting condenser system.
Background technology
The refrigerant for being recovered container need to be all evaporated to gaseous refrigerant ability by gas recovery type refrigerant recovery system
It is recycled, all refrigerants that are recovered need to condense after the gaseous refrigerant that compressor compresses become high temperature and pressure, exist
The shortcomings that recovery time is long, and condensation load is big, compressor short life.
Liquid refrigerant recovery system needs compressor air-discharging to drain into and is recovered container pressurization, and refrigerant, which is depressed into recycling, to be held
Device, although run time is fast, recycling degree is not high, and it is clean that gaseous refrigerant fails recycling.
Compound recovery system need to first carry out liquid refrigerant recycling, then carry out gaseous refrigerant recycling, system complex, valve
It needs to switch.
There has been no reduce refrigerant-recovery run time and the technology of reduction condensation load by injector at present.
On the other hand, injector is applied to serve as the effect of compressor or recycling restriction loss in refrigerating field more（Ginseng
Examine document：Both vapor compression/injection refrigerating system injector designs and energy-saving analysis,《Freeze journal》, author：The big prestige willow of relative is built
Magnificent Zhang Liangjiang woodss woods）.
At present there has been no compressor air-discharging by injector injection liquid refrigerant so as to reduce the skill of itself suction tolerance
Art.
Invention content
For above-mentioned technical problem of the prior art, the present invention provides a kind of compression condensation system with injector,
This compression condensation system with injector will solve refrigerant recovery system or refrigeration system fortune of the prior art
The row time is long, condensation load is big, system complex, it is complicated for operation the technical issues of.
The present invention provides a kind of band ejector refrigerant recovery system, including being recovered container, refrigeration compressor, injection
Device, condenser and returnable, described is recovered container and the second shut-off valve connection, second shut-off valve and institute
The refrigeration compressor connection stated, the refrigeration compressor connects with the injector, the injector and described cold
Condenser connects, and the condenser is connected with the returnable, and the injector is also connected with check valve, the list
To valve and the first shut-off valve connection, first shut-off valve is connected with the container that is recovered.
Further, setting is there are one the 4th shut-off valve between refrigeration compressor and the injector, described
Setting is provided with one there are one parallel pipeline on the parallel pipeline on pipeline between refrigeration compressor and the 4th shut-off valve
A third shut-off valve, the pipeline between the other end of the parallel pipeline and the injector and the condenser connect
It is logical.
The present invention also provides another band ejector refrigerant recovery system, including being recovered container, refrigerant compression
Machine, injector, condenser, returnable, described to be recovered container and a shut-off valve connection, the shut-off valve and described
Refrigeration compressor connection, the refrigeration compressor connects with the injector, the injector and the condensation
Device connects, and the condenser is connected with the returnable, and the injector is also connected with a check valve, described
Pipeline connection between check valve and shut-off valve and refrigeration compressor.
The present invention also provides a kind of refrigeration system with injector, including gas-liquid separator, refrigeration compressor, injection
Device, condenser, restricting element and evaporator；The gas-liquid separator and the first regulating valve connection, described first adjusts
Section valve connect with the refrigeration compressor, the refrigeration compressor is connected with the injector, the injector with
The condenser connection, the condenser are connected with the restricting element, the restricting element and the evaporation
Device connects, and the evaporator is connected with the gas-liquid separator, and the injector is also connected with a check valve, described
Check valve and the connection of second regulating valve, second regulating valve connected with the gas-liquid separator.
When for refrigerant recovery system, compressor air-discharging is driven by injection refrigerant together the present invention by injector
Into condenser, enter compressor compresses and increasing temperature and pressure without all liquid refrigerants are all flashed to gaseous state, so as to nothing
All refrigerants need to be all compressed into high temperature and high pressure gas, condensation load is few；Gaseous state, liquid refrigerant recycle simultaneously, during operation
Between it is short, the compressor service life extend.
The present invention is when for refrigeration system, liquid refrigeration that compressor air-discharging passes through injector injection gas-liquid separator
Agent under the constant requirement of refrigeration duty, can reduce compressor suction tolerance, and so as to reduce compressor power consumption, refrigerant is without complete
All it can enter condenser by compressor, so as to reduce condensation load.
Description of the drawings
Fig. 1 is in the refrigerant recovery system of the embodiment of the present invention 1, is recovered the recycling system that container deposits liquid refrigerant
System schematic diagram；
Fig. 2 is to be recovered the recycling that container only deposits gaseous refrigerant in the refrigerant recovery system of the embodiment of the present invention 2
System schematic；
Fig. 3 is the recovery system schematic diagram of the gas recovery type refrigerant of the embodiment of the present invention 3；
Fig. 4 is recovery system schematic diagram of the embodiment of the present invention 4 with bypass refrigerant；
Fig. 5 is the compression injection condensation refrigerating system schematic diagram of the embodiment of the present invention 5；
Wherein, 1：It is recovered container；2：Refrigeration compressor；3：Injector；4：Condenser；5：Returnable；6：Check valve；
7：First shut-off valve；8：Second shut-off valve；9：Third shut-off valve；10：4th shut-off valve；11：Restricting element；12：Evaporator；
13：First regulating valve；14：Second regulating valve；15：Gas-liquid separator.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Embodiment is closed to be specifically addressed the compression condensation system of the present invention with attached drawing.
Embodiment 1
As shown in Figure 1, the present invention provides a kind of band ejector refrigerant recovery system, including being recovered container 1, refrigeration
Compressor 2, injector 3, condenser 4, returnable 5, it is described to be recovered container 1 and second shut-off valve 8 connects, it is described
The second shut-off valve 8 and the refrigeration compressor 2 connect, the refrigeration compressor 2 and the injector 3 connect, institute
The injector 3 and the condenser 4 stated connect, and the condenser 4 and the returnable 5 connect, the injection
Device 3 is also connected with a check valve 6, and the check valve 6 and first shut-off valve 7 connect, 7 He of the first shut-off valve
The container 1 that is recovered connects.
When be recovered have liquid refrigerant in container 1 when, as shown in Figure 1, the first shut-off valve 7, the second shut-off valve 8 are opened,
2 air intake duct of refrigeration compressor is connected with being recovered 1 flue of container, and 2 exhaust pipe of refrigeration compressor is connected with 3 entrance of injector,
The injector 3 is connected by the import of injection object through check valve 6 with being recovered 1 liquid line of container, the outlet of injector 3 and condensation
4 import of device is connected, and the outlet of condenser 4 is connected with returnable 5.
The principle of embodiment 1 is：Refrigeration compressor 2 is sucked to be compressed from the refrigerant for being recovered the evaporation of container 1, is arranged
Go out the nozzle that high temperature and high pressure gaseous refrigerant enters 3 import of injector, since runner becomes smaller, flow velocity is accelerated, and low pressure is generated, quilt
Liquid refrigerant in returnable 1 is pumped in injector 3 to be vented with refrigeration compressor 2 and be mixed in 3 mixing section of injector, mixes
The refrigerant closed out is condensed in 3 diffuser diffusion of injector and into condenser 4, and condensate liquid enters returnable 5.
Due to the use of injector 3 so that the refrigerant of container 1 is recovered without all being compressed by refrigeration compressor 2, one
Part can enter condenser 4 through the injection of injector 3；Simultaneously because this part does not have compressed refrigerant and through compressor pressure
The refrigeration mixing of contracting, without all refrigerants for being recovered container 1 are all condensed, 4 import of condenser is carried from being sprayed
Liquid refrigerant, this some refrigerant do not increase condensation load so that condensation load is reduced.
Gaseous refrigerant is conveyed by refrigeration compressor 2, and liquid refrigerant is conveyed by injector 3, realizes gaseous state, liquid system
Cryogen recycles simultaneously so that recovery time is reduced, and the energy saving and longevity is realized in refrigeration compressor 2, the reduction of condensation fan running time
Order extended effect.
Embodiment 2
When being recovered in container 1 only refrigerant moist steam or dry saturated steam, as shown in Figure 2.
System connection mode, operation logic are same as Example 1, and difference is that the substance that injector 3 sprays at this time is
Gaseous refrigerant.
Although fill-before-fire liquid refrigerant, 2 exhaust injection of refrigeration compressor are not recovered the gas in container 1 to injector 3
State refrigerant, the refrigerant sprayed need not move through refrigeration compressor 2 and are compressed into high temperature and pressure state, can obtain and embodiment 1 one
The advantageous effect of sample.
Embodiment 3
As shown in figure 3, the present invention also provides another band ejector refrigerant recovery system, including being recovered container
1st, refrigeration compressor 2, injector 3, condenser 4, returnable 5, it is described to be recovered container 1 and second shut-off valve 8 connects
It connects, second shut-off valve 8 and the refrigeration compressor 2 connect, the refrigeration compressor 2 and the injector 3
Connection, the injector 3 and the condenser 4 connect, and the condenser 4 and the returnable 5 connect, described
Injector 3 also and a check valve 6 connect, the pipe between 6 and second shut-off valve 8 of check valve and refrigeration compressor 2
Road connects.
When being recovered container 1 without liquid line or when be inconvenient to carry out liquids recovery, injector 3 by injection object entrance and
2 air intake duct of refrigeration compressor is in parallel, and other components, connection mode are same as Example 1.
Container 1 is being recovered without liquid line or in the case of being inconvenient to carry out liquids recovery, it equally can be by injection
The effect of device 3, while two strands of refrigerants are recycled, the effect of realization is as the effect of embodiment 2.
Embodiment 4
As shown in figure 4, the present invention provides a kind of band ejector refrigerant recovery system, including being recovered container 1, refrigeration
Compressor 2, injector 3, condenser 4, returnable 5, it is described to be recovered container 1 and second shut-off valve 8 connects, it is described
The second shut-off valve 8 and the refrigeration compressor 2 connect, the refrigeration compressor 2 and the injector 3 connect, institute
The injector 3 and the condenser 4 stated connect, and the condenser 4 and the returnable 5 connect, the injection
Device 3 is also connected with a check valve 6, and the check valve 6 and first shut-off valve 7 connect, 7 He of the first shut-off valve
The container 1 that is recovered connects, the 4th shut-off valve 10 there are one settings between refrigeration compressor 2 and the injector 3,
There are one parallel pipeline, the parallel transistors for setting on pipeline between 2 and the 4th shut-off valve 10 of refrigeration compressor
There are one third shut-off valve 9, the other end of the parallel pipeline and the injector 3 and the condensations for road setting
Pipeline connection between device 4.
Other than arriving condenser 4 in 2 exhaust pipe parallel pipeline of refrigeration compressor bypass injector 3, system connects the present embodiment
It is same as Example 1 to connect mode.
Be not enough to injection after refrigerant-recovery later stage refrigeration compressor 2 is vented through injector 3 by injection refrigerant and
When can not overcome flow resistance, the 4th shut-off valve 10 is closed, opens third shut-off valve 9, the exhaust of refrigeration compressor 2 is no longer pass through spraying
Emitter 3 is directly entered condenser 4, and flow resistance is opposite to be reduced.
Embodiment 5
As shown in figure 5, the present invention also provides a kind of refrigeration system with injector, including gas-liquid separator 15, refrigeration
Compressor 2, injector 3, condenser 4, restricting element 11 and evaporator 12；The gas-liquid separator 15 and one first adjusting
Valve 13 connects, and first regulating valve 13 and the refrigeration compressor 2 connect, the refrigeration compressor 2 and described
Injector 3 connects, and the injector 3 and the condenser 4 connect, the condenser 4 and the restricting element 11
Connection, the restricting element 11 and the evaporator 12 connect, the evaporator 12 and the gas-liquid separator 15
Connection, the injector 3 are also connected with a check valve 6, and the check valve 6 and second regulating valve 14 connect, institute
The second regulating valve 14 and the gas-liquid separator 15 stated connect.
2 air intake duct of refrigeration compressor is connected with 15 muffler of gas-liquid separator, 2 exhaust pipe of refrigeration compressor and injector 3
Entrance is connected, and the outlet of injector 3 is connected with 4 import of condenser, the outlet of condenser 4 and 11 import phase of restricting element
Even, the outlet of restricting element 11 connects with 12 import of evaporator, the outlet of evaporator 12 and 15 air inlet pipe of gas-liquid separator
Connect, the outlet tube of the gas-liquid separator 15 is connected through check valve 6 with injector 3 by injection object import, the second regulating valve 14
It adjusts by injection refrigeration dose, the first regulating valve 13 adjusts 2 inspiratory capacity of refrigeration compressor.
The exhaust of refrigeration compressor 2 is by 3 injection gas-liquid separator of injector, 15 liquid so that part of refrigerant without through
Condenser 4 can be entered by crossing refrigeration compressor 2, and under the constant requirement of refrigeration duty, 2 suction tolerance of refrigeration compressor can be reduced,
2 power of refrigeration compressor is reduced, and condensation load is reduced.
Claims (4)
1. a kind of band ejector refrigerant recovery system, it is characterised in that：Including be recovered container, refrigeration compressor, injector,
Condenser and returnable, described to be recovered container and the second shut-off valve connection, second shut-off valve and described
Refrigeration compressor connection, the refrigeration compressor connects with the injector, the injector and the condensation
Device connects, and the condenser is connected with the returnable, and the injector is also connected with check valve, and described is unidirectional
Valve and the first shut-off valve connection, first shut-off valve are connected with the container that is recovered.
2. a kind of band ejector refrigerant recovery system according to claim 1, it is characterised in that：In refrigeration compressor and
Setting is there are one the 4th shut-off valve between the injector, the pipeline between the refrigeration compressor and the 4th shut-off valve
Upper setting there are one parallel pipeline, on the parallel pipeline setting there are one third shut-off valve, the parallel pipeline it is another
Outer one end is arranged on the pipeline between the injector and the condenser.
3. a kind of band ejector refrigerant recovery system, it is characterised in that：Including be recovered container, refrigeration compressor, injector,
Condenser, returnable, described is recovered container and a shut-off valve connection, the shut-off valve and the refrigerant compression
Machine connects, and the refrigeration compressor is connected with the injector, and the injector is connected with the condenser, described
Condenser connected with the returnable, the injector is also connected with a check valve, the check valve with cut
The only pipeline connection between valve and refrigeration compressor.
4. a kind of refrigeration system with injector, it is characterised in that：Including gas-liquid separator, refrigeration compressor, injector, condensation
Device, restricting element and evaporator；The gas-liquid separator and the first regulating valve connection, first regulating valve and institute
The refrigeration compressor connection stated, the refrigeration compressor connects with the injector, the injector and described cold
Condenser connects, and the condenser is connected with the restricting element, and the restricting element is connected with the evaporator, institute
The evaporator stated is connected with the gas-liquid separator, and the injector is also connected with a check valve, the check valve
It is connected with second regulating valve, second regulating valve is connected with the gas-liquid separator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610243722.9A CN105910318B (en) | 2016-04-19 | 2016-04-19 | A kind of compression condensation system with injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610243722.9A CN105910318B (en) | 2016-04-19 | 2016-04-19 | A kind of compression condensation system with injector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105910318A CN105910318A (en) | 2016-08-31 |
| CN105910318B true CN105910318B (en) | 2018-06-26 |
Family
ID=56747338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610243722.9A Expired - Fee Related CN105910318B (en) | 2016-04-19 | 2016-04-19 | A kind of compression condensation system with injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105910318B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108344214B (en) * | 2017-01-23 | 2020-03-17 | 约克（无锡）空调冷冻设备有限公司 | Exhaust device, refrigeration air-conditioning system and exhaust method of non-condensable gas |
| CN210051019U (en) * | 2019-07-22 | 2020-02-11 | 北京市京科伦冷冻设备有限公司 | Differential pressure economizer and carbon dioxide refrigerating system comprising same |
| CN111397082B (en) * | 2020-04-01 | 2021-10-26 | 宁波奥克斯电气股份有限公司 | Refrigerant recovery system and control method |
| CN111397258B (en) * | 2020-04-01 | 2021-08-20 | 宁波奥克斯电气股份有限公司 | Refrigerant recovery system and control method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5161385A (en) * | 1991-03-18 | 1992-11-10 | Schumacher Ernest W | Refrigerant recovery and recycle system with flexible storage bag |
| JPH09159303A (en) * | 1995-12-07 | 1997-06-20 | Matsushita Electric Ind Co Ltd | Heating and cooling unit |
| JP2004125295A (en) * | 2002-10-03 | 2004-04-22 | Matsushita Refrig Co Ltd | Refrigerant recovering device and refrigerant recovering method |
| CN101017036A (en) * | 2007-03-08 | 2007-08-15 | 上海交通大学 | Refrigerating system using swirling flow ejector |
| CN101122427A (en) * | 2006-08-11 | 2008-02-13 | 株式会社电装 | Refrigerant cycle device with ejector |
| JP2012172918A (en) * | 2011-02-22 | 2012-09-10 | Toyo Eng Works Ltd | Refrigerant liquid forced circulation type refrigeration system |
| CN104251569A (en) * | 2014-09-30 | 2014-12-31 | 潘保林 | Refrigerant circulating device with ejector |
-
2016
- 2016-04-19 CN CN201610243722.9A patent/CN105910318B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5161385A (en) * | 1991-03-18 | 1992-11-10 | Schumacher Ernest W | Refrigerant recovery and recycle system with flexible storage bag |
| JPH09159303A (en) * | 1995-12-07 | 1997-06-20 | Matsushita Electric Ind Co Ltd | Heating and cooling unit |
| JP2004125295A (en) * | 2002-10-03 | 2004-04-22 | Matsushita Refrig Co Ltd | Refrigerant recovering device and refrigerant recovering method |
| CN101122427A (en) * | 2006-08-11 | 2008-02-13 | 株式会社电装 | Refrigerant cycle device with ejector |
| CN101017036A (en) * | 2007-03-08 | 2007-08-15 | 上海交通大学 | Refrigerating system using swirling flow ejector |
| JP2012172918A (en) * | 2011-02-22 | 2012-09-10 | Toyo Eng Works Ltd | Refrigerant liquid forced circulation type refrigeration system |
| CN104251569A (en) * | 2014-09-30 | 2014-12-31 | 潘保林 | Refrigerant circulating device with ejector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105910318A (en) | 2016-08-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105910318B (en) | A kind of compression condensation system with injector | |
| CN103069226B (en) | Ejector type refrigerating cycle and use the refrigerating plant of this circulation | |
| CN103003641B (en) | High efficiency ejector cycle | |
| CN105546863B (en) | A kind of Auto-cascade cycle list temperature or Duel-temperature refrigeration cycle system using injector synergy | |
| CN203964434U (en) | Heat pump air conditioner | |
| CN110410904A (en) | A kind of densification and high performance humiture independence control air conditioner system | |
| CN110345690A (en) | The dual jet synergism refrigerating circulatory system and working method for dual temperature refrigerator | |
| CN101825372A (en) | Device and method for combined ejection refrigeration and vapor compression refrigeration cycle | |
| CN109724283A (en) | A kind of carbon dioxide refrigerating system with injector | |
| CN104676943B (en) | CO2 high-temperature heat pump system | |
| CN110068180A (en) | The mixed work medium for throttling cooling cycle system and its working method of injector synergy | |
| CN110319612A (en) | The carbon dioxide two-stage refrigeration circulatory system and its working method of injector synergy | |
| CN108106048A (en) | A kind of injector expansion self-cascade refrigeration system system and the course of work | |
| CN104864622A (en) | Auto-cascade steam compression type refrigeration cycle system | |
| CN110345584A (en) | A kind of humiture independence control air conditioner system of injection throttling | |
| CN107101405B (en) | Compression circulation system | |
| CN103673424A (en) | Refrigerating system and air-conditioning system with same | |
| CN104792054A (en) | Ejector enhanced auto-cascade steam compressing type refrigeration cycle system | |
| CN102878715B (en) | Throttling liquid feeding refrigerating system with jet pump | |
| CN200982767Y (en) | Jet expansion two-section evaporation steam jet type refrigeration device | |
| CN204787383U (en) | From overlapping vapour pressure formula cooling cycle system that contracts | |
| CN108375233A (en) | A kind of folding type cooling system with backheat and injection decompression | |
| CN209672628U (en) | A kind of carbon dioxide refrigerating system with injector | |
| CN202902712U (en) | Jet pump liquid supply refrigeration system | |
| CN104075476B (en) | Turborefrigerator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180626 Termination date: 20210419 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |