CN208108570U - A kind of low temperature auxiliary refrigerant recovery system - Google Patents
A kind of low temperature auxiliary refrigerant recovery system Download PDFInfo
- Publication number
- CN208108570U CN208108570U CN201820184465.0U CN201820184465U CN208108570U CN 208108570 U CN208108570 U CN 208108570U CN 201820184465 U CN201820184465 U CN 201820184465U CN 208108570 U CN208108570 U CN 208108570U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- solenoid valve
- valve
- refrigerant
- heat exchanger
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of low temperature auxiliary refrigerant recovery systems, refrigerant including connecting with air conditioner refrigerating unit pumps out device, refrigerant liquefaction device and refrigerant collecting device, it includes the inlet manifold road connecting with air conditioner refrigerating unit and the pipeline being arranged in parallel one that refrigerant, which pumps out device, 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 that connect with heat exchanger；Temperature in heat exchanger can be reduced to -20 DEG C by recovery system disclosed by the utility model, smoothly recycle refrigerant liquefaction, have good market application prospect.
Description
Technical field
The utility model relates to a kind of refrigerant recovery system, in particular to a kind of low temperature auxiliary refrigerant recovery system.
Background technique
In general, the principle of recycling refrigerant is, the refrigerant in air conditioner refrigerating unit is inhaled using compressor (or pump)
Enter, enters storage cylinder fitted subsequently into cooling, the refrigerant after liquefaction in air-cooled condenser or water-cooled condenser.But it is returning
Receive some critical-temperatures are lower, critical pressure higher mesohigh refrigerant when, it is critical if R508B critical-temperature is 23.6 DEG C
Pressure 4060KPa uses common air-cooled (40 DEG C of condensation temperature or so) or water cooling (12-20 DEG C of condensation temperature or so), nothing
Method liquefies R508B.Meanwhile because pressure at expulsion will be far beyond pressure when critical pressure height uses common compressor compresses
The upper pressure limit that contracting machine is able to bear.Refrigerant R508B can be liquefied by being able to use common compressor therefore, it is necessary to one kind
Recovery system.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of low temperature auxiliary refrigerant recovery system, to reach
- 20 DEG C of low temperature can be produced by refrigeration system, the purpose that can smoothly recycle mesohigh refrigerant liquefaction.
In order to achieve the above objectives, the technical solution of the utility model is as follows：
A kind of low temperature auxiliary refrigerant recovery system, the refrigerant including connecting with air conditioner refrigerating unit pump out device, system
Cryogen liquefying plant and refrigerant collecting device, it includes that the entrance that connect with air conditioner refrigerating unit is total that the refrigerant, which pumps out device,
Pipeline and the pipeline one being arranged in parallel, pipeline two and pipeline three, 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 are set on mouth main pipe rail and control dress with inlet pressure
Total solenoid valve of electrical connection is set, 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 are set on two, solenoid valve three and air driven pump one are set on the pipeline three, set on the pipeline four
Set 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 that connect with heat exchanger, the heat exchange
The liquidometer 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, liquidometer are electrically connected by control system with solenoid valve four and air driven pump two.
In above scheme, the refrigeration system includes the gas-liquid separator connecting with heat exchanger, compressor two, oil eliminator
Two, 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 above scheme, the temperature sensing package of the expansion valve is closely attached on the outlet pipe connecting in refrigeration system with heat exchanger
On.
In above scheme, low-pressure meter and high pressure gauge one, and compressor two is respectively set in the front and rear sides of the compressor two
Both ends be arranged in parallel pressure control device two.
In above scheme, the refrigerant collecting device further includes the humidity visor one connecting with air driven pump two, unidirectional
Valve two, high-pressure control device two, high pressure gauge two and hand valve two.
In above scheme, humidity visor two is set between the filter and expansion valve.
In above scheme, the air driven pump one and air driven pump two pass through solenoid valve five and solenoid valve six and pneumatic three respectively
Part connection.
In above scheme, one bottom of oil eliminator connects drain line, and setting humidity regards on the drain line
Mirror three and draining valve.
In above scheme, 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 utility model can using refrigeration system
Temperature in heat exchanger is reduced to -20 DEG C, smoothly refrigerant liquefaction is recycled.Meanwhile using the entrance pipe being arranged in parallel,
When being recycled, by the way that the setup pressure value of pressure control device is arranged, different solenoid valves is opened, can control refrigerant
Glide path, can not only save energy consumption, protect air driven pump one and compressor one, allow to work normally, extend
Service life can also accurately control the refrigerant pressure into heat exchanger.Entire recovery system pressure, temperature, refrigerant
Flow, humidity are controllable, have good market application prospect.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described.
Fig. 1 is a kind of low temperature auxiliary refrigerant recovery system schematic diagram disclosed in the utility model embodiment.
In figure, 1, inlet manifold road；2, pipeline one；3, pipeline two；4, pipeline three；5, pipeline four；6, hand valve one；7, dry
Filter；8, oil eliminator one；9, inlet pressure control device；10, high pressure gauge four；11, total solenoid valve；12, pressure control dress
Set one；13, solenoid valve one；14, compressor one；15, solenoid valve two；16, check valve one；17, solenoid valve three；18, air driven pump one；
19, high-pressure control device one；20, humidity visor three；21, draining valve；22, heat exchanger；23, liquidometer；24, safety valve；25,
High pressure gauge three；26, manual relief valve；27, gas-liquid separator；28, compressor two；29, oil eliminator two；30, condenser；31,
Filter；32, humidity visor two；33, expansion valve；34, temperature sensing package；35, thermometer；36, low-pressure meter；37, high pressure gauge one；
38, pressure control device two；39, solenoid valve four；40, air driven pump two；41, humidity visor one；42, check valve two；43, high pressure
Control device two；44, high pressure gauge two；45, hand valve two；46, solenoid valve five；47, solenoid valve six；48, pneumatic triple piece.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.
The utility model provides a kind of low temperature auxiliary refrigerant recovery system, as shown in Figure 1, the system includes and air-conditioning
The refrigerant of refrigeration 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 being arranged in parallel 1,
Pipeline 23 and pipeline 34, and the pipeline 45 being connect with refrigerant liquefaction device.On inlet manifold road 1 be arranged 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 are set on 23, solenoid valve 3 17 and air driven pump 1 be set 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 arranged on drain line
3 20 and draining valve 21.
Refrigerant liquefaction device includes heat exchanger 22 and the refrigeration system that connect with heat exchanger 22, is equipped at the top of heat exchanger 22
The liquidometer 23 extending into heat exchanger；Safety valve 24, high pressure gauge 3 25 and manual relief valve 26 are set at the top of heat exchanger 22.
Refrigeration system includes the gas-liquid separator 27 connecting 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.Thermometer 35 is set on the outlet pipe of heat exchanger 22.The front and rear sides of compressor 2 28 are respectively set low
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.
Refrigerant collecting device includes solenoid valve 4 39, air driven pump 2 40, the humidity view for being connected to 22 bottom of heat exchanger
Mirror 1, check valve 2 42, high-pressure control device 2 43, high pressure gauge 2 44 and hand valve 2 45.Liquidometer 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：
Firstly, refrigeration system starting starts to freeze, compressor 2 28 starts, and refrigerant is flowed out from heat exchanger 22, passes through
After gas-liquid separator 27 separates, 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, is 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 of monitoring is qualified, 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 reaching the pressure value of 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
When 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 pressure lower than setting value, solenoid valve 3 17, solenoid valve 5 46 are closed, pneumatically
1 are pumped to stop working, solenoid valve 1 is opened, and compressor 1 works, and refrigerant is entered in heat exchanger 22 by pipeline 1,
When inlet pressure control device 9 monitors shutdown pressure of the pressure lower than setting, solenoid valve 1 is closed, and compressor 1 stops
Only work.
In the process, liquidometer 23 continues to monitor the liquid level in heat exchanger 22, when reaching setting value, solenoid valve four
39, 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
When down to certain value, solenoid valve 6 47, hand valve 2 45 are closed, and air driven pump 2 40 stops working.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
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
Device, refrigerant liquefaction device and refrigerant collecting device out, it includes connecting with air conditioner refrigerating unit that the refrigerant, which pumps out device,
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 enter
Pressure control device one, solenoid valve one and compression is arranged on the pipeline one in total solenoid valve of mouthful pressure control device electrical connection
Solenoid valve two and check valve one are arranged on the pipeline two, solenoid valve three and air driven pump one, institute is arranged on the pipeline three for machine one
Setting high-pressure control device one on pipeline four is stated, the pressure control device one passes through control system and solenoid valve one, compressor
One, solenoid valve two and solenoid valve three are electrically connected；The refrigerant liquefaction device includes heat exchanger and the refrigeration that connect with heat exchanger
System, the heat exchanger top are equipped with the liquidometer extending into heat exchanger；The refrigerant collecting device includes being connected to change
The solenoid valve four and air driven pump two of hot device bottom, liquidometer are electrically connected by control system with solenoid valve four and air driven pump two.
2. a kind of low temperature auxiliary refrigerant recovery system according to claim 1, which is characterized in that the refrigeration system packet
Include the gas-liquid separator connecting 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.
3. a kind of 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 connecting 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
Low-pressure meter and high pressure gauge one is respectively set in front and rear sides, and the both ends of compressor two are arranged in parallel pressure control device two.
5. a kind of 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 connecting with air driven pump two, check valve two, high-pressure control device two, high pressure gauge two and hand valve
Two.
6. a kind of 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.
7. a kind of 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 by solenoid valve five and solenoid valve six with pneumatic triple piece respectively.
8. a kind of 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 is arranged 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 |
|---|---|---|---|
| CN201820184465.0U CN208108570U (en) | 2018-02-01 | 2018-02-01 | A kind of low temperature auxiliary refrigerant recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820184465.0U CN208108570U (en) | 2018-02-01 | 2018-02-01 | A kind of low temperature auxiliary refrigerant recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208108570U true CN208108570U (en) | 2018-11-16 |
Family
ID=64129086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820184465.0U Active CN208108570U (en) | 2018-02-01 | 2018-02-01 | A kind of low temperature auxiliary refrigerant recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208108570U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168166A (en) * | 2018-02-01 | 2018-06-15 | 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 CN201820184465.0U patent/CN208108570U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168166A (en) * | 2018-02-01 | 2018-06-15 | 青岛绿环工业设备有限公司 | A kind of low temperature auxiliary refrigerant recovery system |
| CN108168166B (en) * | 2018-02-01 | 2023-11-24 | 青岛绿环工业设备有限公司 | Low-temperature auxiliary refrigerant recovery system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205939467U (en) | Multi -split air conditioning system | |
| CN108168166B (en) | Low-temperature auxiliary refrigerant recovery system | |
| CN105004100B (en) | Vapor compression refrigeration/heat pump system of single refrigerant circuit, more pressures of inspiration(Pi) | |
| CN202927982U (en) | Air conditioning system | |
| CN102818406B (en) | Refrigerant recovery device and method of heat pump of air-conditioner and outdoor unit of air-conditioner | |
| CN103615836B (en) | A kind of screw total heat recovery air-cooled heat-pump air-conditioner group | |
| CN108343600A (en) | A kind of performance test bed and application method for compressor | |
| CN103615824B (en) | A kind of many warm areas cold acquisition methods and device reclaiming driving based on expansion work | |
| CN208108570U (en) | A kind of low temperature auxiliary refrigerant recovery system | |
| CN107726656A (en) | The refrigerant heat pump system of single twin-stage conversion can be carried out | |
| CN208751079U (en) | A kind of two alliance hot and cold water heat pump of air-source with the flow direction design of bridge-type refrigerant | |
| CN106871474A (en) | Air-cooled water-cooled combined air-conditioning system | |
| CN204247039U (en) | Energy recovery freezing type drier | |
| CN109210658A (en) | A kind of water source heat pump units and its control method with cold recovery function | |
| CN106352583B (en) | A kind of heat source tower heat pump system utilized based on freezing regeneration and reactivation heat | |
| CN208108616U (en) | A kind of halon fire agent recovery system | |
| CN206890922U (en) | Air energy thermal pumping system | |
| CN206113391U (en) | Cold chain heat recovery refrigerating system | |
| CN208419258U (en) | A kind of cascade superhigh temperature hot water air source heat pump system | |
| CN207584972U (en) | The energy saving quick cooling device of air-conditioning | |
| CN2208204Y (en) | Recovery, regenerative and recharging device for refrigerant | |
| CN208091008U (en) | A kind of Two-stage Compression low-temperature air source heat pump unit with refrigerating function | |
| CN209295330U (en) | The cold air-conditioning of the list of distributed arrangement | |
| CN208920648U (en) | A kind of refrigeration system | |
| CN206771791U (en) | Air-cooled water cooling combined air-conditioning system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |