CN108168166A - A kind of low temperature auxiliary refrigerant recovery system - Google Patents
A kind of low temperature auxiliary refrigerant recovery system Download PDFInfo
- Publication number
- CN108168166A CN108168166A CN201810103120.2A CN201810103120A CN108168166A CN 108168166 A CN108168166 A CN 108168166A CN 201810103120 A CN201810103120 A CN 201810103120A CN 108168166 A CN108168166 A CN 108168166A
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- Prior art keywords
- pipeline
- solenoid valve
- valve
- connect
- refrigerant
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- 239000003507 refrigerant Substances 0.000 title claims abstract description 65
- 238000011084 recovery Methods 0.000 title claims abstract description 22
- 238000005057 refrigeration Methods 0.000 claims abstract description 13
- 238000001035 drying Methods 0.000 claims abstract description 4
- 238000001914 filtration Methods 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 17
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- F25B45/00—Arrangements for charging or discharging refrigerant
-
- 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
- F25B41/40—Fluid line arrangements
-
- 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
- F25B43/02—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat for separating lubricants from the refrigerant
Abstract
The invention discloses a kind of low temperature auxiliary refrigerant recovery systems, refrigerant including being connect with air conditioner refrigerating unit pumps out device, refrigerant liquefaction device and refrigerant collecting device, refrigerant pumps out device and includes the inlet manifold road being connect with air conditioner refrigerating unit and the pipeline one being arranged in parallel, pipeline two and pipeline three, and the pipeline four being connect with refrigerant liquefaction device, inlet manifold road setting hand valve one, device for drying and filtering, oil eliminator one, inlet pressure control device and total solenoid valve, pressure control device one is set on pipeline one, solenoid valve one and compressor one, solenoid valve two and check valve one are set on pipeline two, solenoid valve three and air driven pump one are set on pipeline three；Refrigerant liquefaction device includes heat exchanger and the refrigeration system being connect with heat exchanger；Temperature in heat exchanger can be reduced to 20 DEG C by recovery system disclosed by the invention, smoothly recycle refrigerant liquefaction, have good market application foreground.
Description
Technical field
The present invention relates to a kind of refrigerant recovery system, more particularly to a kind of low temperature auxiliary refrigerant recovery system.
Background technology
In general, the principle of recycling refrigerant is, the refrigerant in air conditioner refrigerating unit is inhaled using compressor (or pump)
Enter, subsequently into being cooled down in air-cooled condenser or water-cooled condenser, the refrigerant after liquefaction enters storage cylinder fitted.But it is returning
It is critical if R508B critical-temperatures are 23.6 DEG C when receiving the mesohigh refrigerant that some critical-temperatures are relatively low, critical pressure is higher
Pressure 4060KPa uses common air-cooled (40 DEG C or so of condensation temperature) or water cooling (12-20 DEG C or so of condensation temperature), nothing
Method liquefies R508B.Meanwhile because when critical pressure height uses common compressor compresses, pressure at expulsion will be far beyond pressure
The upper pressure limit that contracting machine can be born.Therefore, it is necessary to one kind can be liquefied refrigerant R508B using common compressor
Recovery system.
Invention content
In order to solve the above technical problems, the present invention provides a kind of low temperature auxiliary refrigerant recovery system, passed through with reaching
Refrigeration system can produce -20 DEG C of low temperature, the purpose that can smoothly recycle mesohigh refrigerant liquefaction.
In order to achieve the above objectives, technical scheme is as follows：
A kind of low temperature auxiliary refrigerant recovery system, the refrigerant including being connect with air conditioner refrigerating unit pump out device, system
Cryogen liquefying plant and refrigerant collecting device, it is total including the entrance being connect with air conditioner refrigerating unit that the refrigerant pumps out device
Pipeline and the pipeline one, pipeline two and the pipeline three that are arranged in parallel and the pipeline four being connect with refrigerant liquefaction device, it is described enter
Hand valve one, device for drying and filtering, oil eliminator one, inlet pressure control device on mouth main pipe rail are set and control dress with inlet pressure
Total solenoid valve of electrical connection is put, pressure control device one, solenoid valve one and compressor one, the pipeline are set on the pipeline one
Solenoid valve two and check valve 1 on two are set, solenoid valve three and air driven pump one on the pipeline three are set, set on the pipeline four
Put high-pressure control device one, the pressure control device one by control system and solenoid valve one, compressor one, solenoid valve two and
Solenoid valve three is electrically connected；The refrigerant liquefaction device includes heat exchanger and the refrigeration system being connect with heat exchanger, the heat exchange
The liquid level gauge extending into heat exchanger is equipped at the top of device；The refrigerant collecting device includes the electromagnetism for being connected to exchanger base
Valve four and air driven pump two, liquid level gauge are electrically connected by control system with solenoid valve four and air driven pump two.
In said program, the refrigeration system includes the gas-liquid separator, compressor two, the oil eliminator that are connect with heat exchanger
2nd, condenser, filter and expansion valve, the expansion valve are connect with heat exchanger, and two bottom of oil eliminator passes through petroleum pipeline
Road connect compressor two.
In said program, the temperature sensing package of the expansion valve is closely attached on the outlet pipe being connect in refrigeration system with heat exchanger
On.
In said program, the front and rear sides of the compressor two set low-pressure meter and high pressure gauge one, and compressor two respectively
Both ends be arranged in parallel pressure control device two.
In said program, the refrigerant collecting device further includes the humidity visor one being connect with air driven pump two, unidirectional
Valve two, high-pressure control device two, high pressure gauge two and hand valve two.
In said program, humidity visor two is set between the filter and expansion valve.
In said program, the air driven pump one and air driven pump two pass through solenoid valve five and solenoid valve six and pneumatic three respectively
Part connects.
In said program, one bottom of oil eliminator connects drain line, and setting humidity regards on the drain line
Mirror three and draining valve.
In said program, setting safety valve, high pressure gauge three and manual relief valve at the top of the heat exchanger.
Through the above technical solutions, low temperature auxiliary refrigerant recovery system provided by the invention can be incited somebody to action using refrigeration system
Temperature is reduced to -20 DEG C in heat exchanger, smoothly recycles refrigerant liquefaction.Meanwhile using the entrance pipe being arranged in parallel, into
During row recycling, by setting the setup pressure value of pressure control device, different solenoid valves is opened, the stream of refrigerant can be controlled
Dynamic route, can not only save energy consumption, protect air driven pump one and compressor one so that it can work normally, extend and use
Service life can also accurately control the refrigerant pressure into heat exchanger.Entire recovery system pressure, temperature, refrigerant flow,
Humidity is controllable, has good market application foreground.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described.
Fig. 1 is a kind of low temperature auxiliary refrigerant recovery system schematic diagram disclosed in the embodiment of the present invention.
In figure, 1, inlet manifold road；2nd, pipeline one；3rd, pipeline two；4th, pipeline three；5th, pipeline four；6th, hand valve one；7th, it is dry
Filter；8th, oil eliminator one；9th, inlet pressure control device；10th, high pressure gauge four；11st, total solenoid valve；12nd, pressure control dress
Put one；13rd, solenoid valve one；14th, compressor one；15th, solenoid valve two；16th, check valve one；17th, solenoid valve three；18th, air driven pump one；
19th, high-pressure control device one；20th, humidity visor three；21st, draining valve；22nd, heat exchanger；23rd, liquid level gauge；24th, safety valve；25、
High pressure gauge three；26th, manual relief valve；27th, gas-liquid separator；28th, compressor two；29th, oil eliminator two；30th, condenser；31、
Filter；32nd, humidity visor two；33rd, expansion valve；34th, temperature sensing package；35th, thermometer；36th, low-pressure meter；37th, high pressure gauge one；
38th, pressure control device two；39th, solenoid valve four；40th, air driven pump two；41st, humidity visor one；42nd, check valve two；43rd, high pressure
Control device two；44th, high pressure gauge two；45th, hand valve two；46th, solenoid valve five；47th, solenoid valve six；48th, pneumatic triple piece.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes.
The present invention provides a kind of low temperature auxiliary refrigerant recovery system, as shown in Figure 1, the system includes and air conditioner refrigerating
The refrigerant of unit connection pumps out device, refrigerant liquefaction device and refrigerant collecting device.
Refrigerant pump out device include the inlet manifold road 1 being connect with air conditioner refrigerating unit and the pipeline 1 being arranged in parallel,
Pipeline 23 and pipeline 34 and the pipeline 45 being connect with refrigerant liquefaction device.Set on inlet manifold road 1 hand valve 1,
Two devices for drying and filtering 7, oil eliminator 1, inlet pressure control device 9, high pressure gauge 4 10 and with inlet pressure control device 9
Total solenoid valve 11 of electrical connection；Pressure control device 1, solenoid valve 1 and compressor 1, pipeline are set on pipeline 1
Solenoid valve 2 15 and check valve 1 be set on 23, setting solenoid valve 3 17 and air driven pump 1 on pipeline 34, on pipeline 45
High-pressure control device 1 is set, and pressure control device 1 passes through control system and solenoid valve 1, compressor 1, electromagnetism
Valve 2 15 and solenoid valve 3 17 are electrically connected.One 8 bottom of oil eliminator connects drain line, and humidity visor is set on drain line
3 20 and draining valve 21.
Refrigerant liquefaction device includes heat exchanger 22 and the refrigeration system being connect with heat exchanger 22, and 22 top of heat exchanger is equipped with
The liquid level gauge 23 extending into heat exchanger；22 top setting safety valve 24 of heat exchanger, high pressure gauge 3 25 and manual relief valve 26.
Refrigeration system includes the gas-liquid separator 27 being connect with heat exchanger 22, compressor 2 28, oil eliminator 2 29, condensation
Device 30, filter 31, humidity visor 2 32 and expansion valve 33, expansion valve 33 are connect with heat exchanger 22,2 29 bottom of oil eliminator
Portion passes through pipeline road connect compressor 2 28.The temperature sensing package 34 of expansion valve 33 is closely attached in refrigeration system to be connect with heat exchanger 22
Outlet pipe on.Set temperature meter 35 on the outlet pipe of heat exchanger 22.The front and rear sides of compressor 2 28 set low respectively
Table 36 and high pressure gauge 1 are pressed, and the both ends of compressor 2 28 are arranged in parallel pressure control device 2 38.
The solenoid valve 4 39, air driven pump 2 40, humidity that refrigerant collecting device includes being connected to 22 bottom of heat exchanger regard
Mirror 1, check valve 2 42, high-pressure control device 2 43, high pressure gauge 2 44 and hand valve 2 45.Liquid level gauge 23 passes through control system
It is electrically connected with solenoid valve 4 39 and air driven pump 2 40.Air driven pump 1 and air driven pump 2 40 pass through solenoid valve 5 46 and electromagnetism respectively
Valve 6 47 is connect with pneumatic triple piece 48.
The course of work is as follows：
First, refrigeration system startup starts to freeze, and compressor 2 28 starts, and refrigerant is flowed out from heat exchanger 22, passes through
After gas-liquid separator 27 detaches, liquid refrigerant is stayed in gas-liquid separator 27, and gaseous refrigerant enters compressor 2 28, then
By oil eliminator 2 29, oil therein is removed, 2 28 repairing of compressor can be given by the pipeline road of bottom.Then into
Enter condenser 30, filter 31, returned in heat exchanger 22 by humidity visor 2 32 and expansion valve 33.The monitoring of thermometer 35 is changed
The temperature of hot device 22, after the cryogenic temperature qualification of monitoring, hand valve one is opened, and starts the recycling of refrigerant.
At this point, inlet pressure control device 9 monitors the pressure of air-conditioner set, when the pressure value for reaching setting, total electromagnetism
Valve 11 is opened, if not reaching the pressure value of setting, total solenoid valve 11 is automatically closed, even if at this moment manually pressing start button,
System will not work.After total solenoid valve 11 is opened, solenoid valve 2 15 is also opened, high-pressure refrigerant automatically by pipeline 23 into
Enter heat exchanger 22, after the time of setting, solenoid valve 2 15 is closed, and is higher than at this point, pressure control device 1 monitors pressure
During setting value, solenoid valve 3 17, solenoid valve 5 46 are opened, and air driven pump 1 works, and refrigerant enters heat exchanger by pipeline 34
In 22, when pressure control device 1 monitors that pressure is less than setting value, solenoid valve 3 17, solenoid valve 5 46 are closed, pneumatically
1 are pumped to be stopped, solenoid valve 1 is opened, and compressor 1 works, and refrigerant is entered by pipeline 1 in heat exchanger 22,
When inlet pressure control device 9 monitors shutdown pressure of the pressure less than setting, solenoid valve 1 is closed, and compressor 1 stops
Only work.
In the process, liquid level gauge 23 continues to monitor the liquid level in heat exchanger 22, when reaching setting value, solenoid valve four
39th, solenoid valve 6 47, hand valve 2 45 are opened, and air driven pump 2 40 works, and liquefied refrigerant is discharged in heat exchanger 22；Work as liquid level
During down to certain value, solenoid valve 6 47, hand valve 2 45 are closed, and air driven pump 2 40 is stopped.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use the present invention.
A variety of modifications of these embodiments will be apparent for those skilled in the art, it is as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and the principles and novel features disclosed herein phase one
The most wide range caused.
Claims (9)
1. a kind of low temperature auxiliary refrigerant recovery system, which is characterized in that including the refrigerated medium pump being connect with air conditioner refrigerating unit
Go out device, refrigerant liquefaction device and refrigerant collecting device, the refrigerant pumps out device and includes connecting with air conditioner refrigerating unit
The inlet manifold road connect and the pipeline one, pipeline two and the pipeline three that are arranged in parallel and the pipe being connect with refrigerant liquefaction device
Lu Si, inlet manifold road setting hand valve one, device for drying and filtering, oil eliminator one, inlet pressure control device and with entering
Total solenoid valve of mouthful pressure control device electrical connection, setting pressure control device one, solenoid valve one and compression on the pipeline one
Machine one, setting solenoid valve two and check valve one on the pipeline two, setting solenoid valve three and air driven pump one on the pipeline three, institute
It states setting high-pressure control device one, the pressure control device one on pipeline four and passes through control system and solenoid valve one, compressor
First, solenoid valve two and solenoid valve three are electrically connected；The refrigerant liquefaction device includes heat exchanger and the refrigeration being connect with heat exchanger
System, the heat exchanger top are equipped with the liquid level gauge extending into heat exchanger；The refrigerant collecting device includes being connected to changing
The solenoid valve four of hot device bottom and air driven pump two, liquid level gauge are electrically connected by control system with solenoid valve four and air driven pump two.
A kind of 2. low temperature auxiliary refrigerant recovery system according to claim 1, which is characterized in that the refrigeration system packet
Include the gas-liquid separator being connect with heat exchanger, compressor two, oil eliminator two, condenser, filter and expansion valve, the expansion
Valve is connect with heat exchanger, and two bottom of oil eliminator passes through pipeline road connect compressor two.
A kind of 3. low temperature auxiliary refrigerant recovery system according to claim 2, which is characterized in that the sense of the expansion valve
Thermometer bulb is closely attached on the outlet pipe being connect in refrigeration system with heat exchanger.
4. a kind of low temperature auxiliary refrigerant recovery system according to claim 2, which is characterized in that the compressor two
Front and rear sides set low-pressure meter and high pressure gauge one respectively, and the both ends of compressor two are arranged in parallel pressure control device two.
A kind of 5. low temperature auxiliary refrigerant recovery system according to claim 1, which is characterized in that the refrigerant collecting
Device further includes the humidity visor one being connect with air driven pump two, check valve two, high-pressure control device two, high pressure gauge two and hand valve
Two.
A kind of 6. low temperature auxiliary refrigerant recovery system according to claim 2, which is characterized in that the filter and swollen
Humidity visor two is set between swollen valve.
A kind of 7. low temperature auxiliary refrigerant recovery system according to claim 1, which is characterized in that one He of air driven pump
Air driven pump two is connect respectively by solenoid valve five and solenoid valve six with pneumatic triple piece.
A kind of 8. low temperature auxiliary refrigerant recovery system according to claim 1, which is characterized in that the oil eliminator one
Bottom connects drain line, and humidity visor three and draining valve are set on the drain line.
9. a kind of low temperature auxiliary refrigerant recovery system according to claim 1, which is characterized in that at the top of the heat exchanger
Safety valve, high pressure gauge three and manual relief valve are set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810103120.2A CN108168166B (en) | 2018-02-01 | 2018-02-01 | Low-temperature auxiliary refrigerant recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810103120.2A CN108168166B (en) | 2018-02-01 | 2018-02-01 | Low-temperature auxiliary refrigerant recovery system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108168166A true CN108168166A (en) | 2018-06-15 |
| CN108168166B CN108168166B (en) | 2023-11-24 |
Family
ID=62512973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810103120.2A Active CN108168166B (en) | 2018-02-01 | 2018-02-01 | Low-temperature auxiliary refrigerant recovery system |
Country Status (1)
| Country | Link |
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| CN (1) | CN108168166B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108592468A (en) * | 2018-05-02 | 2018-09-28 | 顾晓航 | A kind of low temperature auxiliary recycling unit |
| CN110542252A (en) * | 2019-09-27 | 2019-12-06 | 铜川安泰再生资源回收利用有限公司 | Self-induction automobile refrigerant extraction device and control method |
| CN111141541A (en) * | 2020-01-20 | 2020-05-12 | 上海交通大学 | Movable oil-containing refrigerant testing device and method |
| CN114183951A (en) * | 2021-12-16 | 2022-03-15 | 珠海格力电器股份有限公司 | Refrigerant purification recovery device and refrigerant purification system |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0397760A1 (en) * | 1988-01-28 | 1990-11-22 | Olsson Clas Ove | Method and Apparatus for Recovery of Refrigerant. |
| JPH08178477A (en) * | 1994-12-22 | 1996-07-12 | Hitachi Ltd | Refrigerant recoverying device |
| US5943867A (en) * | 1997-09-10 | 1999-08-31 | Refrigerant Services Inc. | Refrigerant reclamation system |
| JP2002031439A (en) * | 2000-07-14 | 2002-01-31 | Daikin Ind Ltd | Apparatus for recovering refrigerant |
| JP2002243318A (en) * | 2001-02-20 | 2002-08-28 | Fujitsu General Ltd | Refrigerant recovery device |
| CN1396424A (en) * | 2001-07-06 | 2003-02-12 | 松下电器产业株式会社 | Refrigerant recovery device |
| KR100883414B1 (en) * | 2008-04-02 | 2009-02-11 | (주)범석엔지니어링 | Refrigerant collection apparatus for high pressure refrigerating machine and refrigerant collection method using the same |
| CN101769655A (en) * | 2010-01-25 | 2010-07-07 | 大连三洋压缩机有限公司 | Automatic recovery and fill system of refrigeration system |
| KR101785415B1 (en) * | 2016-07-29 | 2017-10-13 | (주)쿨뱅크 | Refrigerant Recovery Method using A Refrigerant Recovery Filling Apparatuse |
| CN206626867U (en) * | 2017-04-14 | 2017-11-10 | 广东环境保护工程职业学院 | Pressure inductive high efficiency refrigerant recovery system |
| CN208108570U (en) * | 2018-02-01 | 2018-11-16 | 青岛绿环工业设备有限公司 | A kind of low temperature auxiliary refrigerant recovery system |
-
2018
- 2018-02-01 CN CN201810103120.2A patent/CN108168166B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0397760A1 (en) * | 1988-01-28 | 1990-11-22 | Olsson Clas Ove | Method and Apparatus for Recovery of Refrigerant. |
| JPH08178477A (en) * | 1994-12-22 | 1996-07-12 | Hitachi Ltd | Refrigerant recoverying device |
| US5943867A (en) * | 1997-09-10 | 1999-08-31 | Refrigerant Services Inc. | Refrigerant reclamation system |
| JP2002031439A (en) * | 2000-07-14 | 2002-01-31 | Daikin Ind Ltd | Apparatus for recovering refrigerant |
| JP2002243318A (en) * | 2001-02-20 | 2002-08-28 | Fujitsu General Ltd | Refrigerant recovery device |
| CN1396424A (en) * | 2001-07-06 | 2003-02-12 | 松下电器产业株式会社 | Refrigerant recovery device |
| KR100883414B1 (en) * | 2008-04-02 | 2009-02-11 | (주)범석엔지니어링 | Refrigerant collection apparatus for high pressure refrigerating machine and refrigerant collection method using the same |
| CN101769655A (en) * | 2010-01-25 | 2010-07-07 | 大连三洋压缩机有限公司 | Automatic recovery and fill system of refrigeration system |
| KR101785415B1 (en) * | 2016-07-29 | 2017-10-13 | (주)쿨뱅크 | Refrigerant Recovery Method using A Refrigerant Recovery Filling Apparatuse |
| CN206626867U (en) * | 2017-04-14 | 2017-11-10 | 广东环境保护工程职业学院 | Pressure inductive high efficiency refrigerant recovery system |
| CN208108570U (en) * | 2018-02-01 | 2018-11-16 | 青岛绿环工业设备有限公司 | A kind of low temperature auxiliary refrigerant recovery system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108592468A (en) * | 2018-05-02 | 2018-09-28 | 顾晓航 | A kind of low temperature auxiliary recycling unit |
| CN110542252A (en) * | 2019-09-27 | 2019-12-06 | 铜川安泰再生资源回收利用有限公司 | Self-induction automobile refrigerant extraction device and control method |
| CN111141541A (en) * | 2020-01-20 | 2020-05-12 | 上海交通大学 | Movable oil-containing refrigerant testing device and method |
| CN111141541B (en) * | 2020-01-20 | 2021-09-24 | 上海交通大学 | Movable oil-containing refrigerant testing device and method |
| CN114183951A (en) * | 2021-12-16 | 2022-03-15 | 珠海格力电器股份有限公司 | Refrigerant purification recovery device and refrigerant purification system |
| CN114183951B (en) * | 2021-12-16 | 2022-12-09 | 珠海格力电器股份有限公司 | Refrigerant purification recovery device and refrigerant purification system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108168166B (en) | 2023-11-24 |
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