CN211854552U - Refrigerant recovery device - Google Patents
Refrigerant recovery device Download PDFInfo
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- CN211854552U CN211854552U CN202020167394.0U CN202020167394U CN211854552U CN 211854552 U CN211854552 U CN 211854552U CN 202020167394 U CN202020167394 U CN 202020167394U CN 211854552 U CN211854552 U CN 211854552U
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- refrigerant
- compressor
- condenser
- pipeline
- air inlet
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- 239000003507 refrigerant Substances 0.000 title claims abstract description 133
- 238000011084 recovery Methods 0.000 title claims abstract description 64
- 239000007788 liquid Substances 0.000 claims abstract description 42
- 238000010521 absorption reaction Methods 0.000 claims abstract description 15
- 230000006835 compression Effects 0.000 claims abstract description 8
- 238000007906 compression Methods 0.000 claims abstract description 8
- 230000005611 electricity Effects 0.000 claims description 16
- 238000001035 drying Methods 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 6
- 239000002699 waste material Substances 0.000 abstract description 7
- 239000003921 oil Substances 0.000 description 8
- 238000004064 recycling Methods 0.000 description 6
- 230000000007 visual effect Effects 0.000 description 6
- 241000269400 Sirenidae Species 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 239000010726 refrigerant oil Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010725 compressor oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a refrigerant recovery device, which comprises a refrigerant absorption pipeline, a refrigerant absorption pipe, a refrigerant liquefaction unit and a refrigerant recovery unit, wherein the refrigerant compression unit comprises a compressor, the gas outlet of the compressor is connected with a gas-liquid separator through a pipeline, an oil return pipe connected with the right side wall of the gas-liquid separator is connected with the oil inlet of the compressor, the refrigerant absorption pipe comprises an air inlet pipe, the air inlet pipe is connected with the air inlet of the compressor, the refrigerant liquefaction unit comprises a condenser, the air inlet of the condenser is connected with the gas outlet of the gas-liquid separator through a pipeline, the pipeline connected with the liquid outlet of the right side wall of the condenser is sequentially connected with a Y-shaped filter and a solenoid valve II, the refrigerant recovery unit comprises a, the refrigerant in the waste bottle is pumped into the condenser through the compressor for liquefaction, and the liquefied liquid refrigerant flows into the recovery tank for collection.
Description
Technical Field
The utility model relates to a refrigerant recovery technical field specifically is a refrigerant recovery unit.
Background
The refrigerant is commonly called as snow, is a substance which is easy to absorb heat to become gas and easy to release heat to become liquid, is a working fluid which is used for transferring heat energy in systems such as a refrigeration air conditioner and the like to generate a refrigeration effect, and the conventional refrigerant recovery device generally absorbs and recovers the refrigerant in a waste bottle through a compressor, but has the problems that the refrigerant in the waste bottle is not completely recovered, no prompt is given when the recovery is completed, the operation of workers is inconvenient, and the like.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to overcome current defect, provide a refrigerant recovery unit, this refrigerant recovery unit retrieves totally, retrieves and accomplishes suggestion occasionally, and staff convenient operation can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a refrigerant recovery device comprises a refrigerant recovery device bottom plate, a refrigerant absorption pipeline, a refrigerant absorption pipe, a refrigerant liquefaction unit and a refrigerant recovery unit;
refrigerant recovery unit bottom plate: the bottom plate of the refrigerant recovery device comprises a bottom plate body, the upper surface of the bottom plate body is provided with a PLC module, four corners of the lower surface of the bottom plate body are nested with rotatable pulleys, and the refrigerant recovery device can move conveniently through the pulleys arranged on the bottom plate body;
a refrigerant compression unit: the refrigerant compression unit comprises a compressor, the compressor is arranged on the upper surface of the bottom plate body, an air outlet of the compressor is connected with a gas-liquid separator through a pipeline, an oil return pipe connected with the right side wall of the gas-liquid separator is connected with an oil inlet of the compressor, and gas refrigerants in the compressor and refrigerant oil in the compressor can be separated for recycling through the gas-liquid separator and the oil return pipe;
refrigerant absorption tube: the refrigerant absorption pipe comprises an air inlet pipe, a first electromagnetic valve, a drying filter and a one-way pressure reducing valve are in threaded connection with the air inlet pipe from left to right at one time, the other end, away from the first electromagnetic valve, of the air inlet pipe is connected with an air inlet of the compressor, after the first electromagnetic valve is opened, the refrigerant in the waste bottle is recovered through the compressor and the air inlet pipe, the recovered refrigerant is filtered through the drying filter, and the one-way pressure reducing valve can prevent the burst caused by overhigh pressure in the air inlet pipe;
a refrigerant liquefaction unit: the refrigerant liquefaction unit comprises a condenser, the condenser is arranged at the right end of the compressor, an air inlet of the condenser is connected with an air outlet of the gas-liquid separator through a pipeline, a pipeline connected with an air outlet of the right side wall of the condenser is sequentially connected with a Y-shaped filter and a second electromagnetic valve, the second electromagnetic valve is opened, the refrigerant output from the air outlet of the gas-liquid separator is liquefied through the condenser, the liquefied refrigerant is conveyed into a recovery tank through the pipeline, the recovered refrigerant can be filtered through the Y-shaped filter, and the refrigerant is recovered to be purer;
a refrigerant recovery unit: the refrigerant recovery unit comprises a recovery tank, a transparent glass window is arranged on the front surface of the recovery tank, a liquid inlet of the recovery tank is connected with a pipeline connected with a liquid outlet of the condenser, and an operator can observe the amount of liquid refrigerant in the recovery tank conveniently through the transparent glass window;
wherein: the input end electricity of PLC module is connected the output of external power source, and the input of solenoid valve one, solenoid valve two, compressor and condenser all is connected with the output electricity of PLC module.
Further, the refrigerant recovery unit still contains level sensor and buzzer siren one, and level sensor sets up in the upper end position of retrieving the inside right side wall of jar, and buzzer siren one sets up in the right-hand member of retrieving the jar, and level sensor is connected with the PLC module electricity, and the output of PLC module is connected to the input electricity of buzzer siren one, and when the liquid level of retrieving the jar interior liquid refrigerant reached level sensor, the buzzer siren sent audible and visual alarm for a moment, the staff's of being convenient for operation.
Further, still include pressure alarm unit, pressure alarm unit contains pressure sensor, pressure sensor sets up drier-filter's rear end in the intake pipe, buzzer siren two sets up in position department in the middle of PLC module and compressor, pressure sensor is connected with the PLC module electricity, the output of compressor is connected to buzzer siren two's input electricity, when the pressure in the intake pipe reachs the value that pressure sensor set for, buzzer siren two can send audible and visual alarm, the suggestion staff refrigerant is retrieved and is accomplished or the circumstances such as putty appears, staff convenient operation, the refrigerant is retrieved totally.
Further, still include refrigerant circulation liquefaction unit, refrigerant circulation liquefaction unit contains the muffler, and threaded connection has one-way air outlet valve on the muffler, and the one end of muffler is connected with the right side wall of retrieving the jar, and the pipeline that the other end of muffler and condenser inlet end are connected can be carried the gas refrigerant that is not liquefied in retrieving the jar once more to the condenser liquefaction through muffler and one-way air outlet valve, and the refrigerant is retrieved totally.
Compared with the prior art, the beneficial effects of the utility model are that: this refrigerant recovery unit has following benefit:
1. the utility model discloses be equipped with level sensor, when the liquid level of retrieving jar interior liquid refrigerant reached level sensor, the audible-visual annunciator sent audible-visual annunciator for a while, the staff's of being convenient for operation.
2. The utility model discloses be equipped with pressure alarm unit, when the pressure in the intake pipe reachd the value that pressure sensor set for, audible-visual annunciator can send out audible-visual annunciator two, suggestion staff's refrigerant is retrieved and is accomplished or the circumstances such as putty appear, staff convenient operation, the refrigerant is retrieved totally.
3. The utility model discloses be equipped with muffler and one-way air outlet valve, can liquefy in carrying the condenser once more by liquefied gas refrigerant in the recovery tank through muffler and one-way air outlet valve, the refrigerant is retrieved totally.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is the schematic diagram of the internal structure of the recovery tank of the present invention.
In the figure: the refrigerant recycling device comprises a refrigerant recycling device base plate 1, a base plate 11 body, a PLC module 12, a refrigerant absorbing pipeline 2, a gas inlet pipe 21, a solenoid valve I22, a drying filter 23, a one-way pressure reducing valve 24, a refrigerant compression unit 3, a compressor 31, a gas-liquid separator 32, an oil return pipe 33, a refrigerant liquefaction unit 4, a condenser 41, a Y-type filter 42, a solenoid valve II 43, a refrigerant recycling unit 5, a recycling tank 51, a transparent glass window 52, a buzzer alarm I53, a liquid level sensor 54, a pressure alarm unit 6, a pressure sensor 61, a buzzer alarm II 62, a refrigerant circulating liquefaction unit 7, a gas return pipe 71 and a one-way gas outlet valve 72.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example one
Referring to fig. 1-2, the present invention provides a technical solution: a refrigerant recovery device comprises a refrigerant recovery device bottom plate 1, a refrigerant absorption pipeline 2, a refrigerant absorption pipe 3, a refrigerant liquefaction unit 4 and a refrigerant recovery unit 5;
refrigerant recovery device bottom plate 1: the refrigerant recovery device bottom plate 1 comprises a bottom plate body 11, a PLC module 12 is arranged on the upper surface of the bottom plate body 11, rotatable pulleys are nested at four corners of the lower surface of the bottom plate body 11, and the refrigerant recovery device can move conveniently through the pulleys arranged on the bottom plate body 11;
refrigerant compression unit 3: the refrigerant compression unit 3 comprises a compressor 31, the compressor 31 is arranged on the upper surface of the bottom plate body 11, an air outlet of the compressor 31 is connected with a gas-liquid separator 32 through a pipeline, an oil return pipe 33 connected with the right side wall of the gas-liquid separator 32 is connected with an oil inlet of the compressor 31, and gas refrigerants in the compressor 31 and refrigerant oil in the compressor can be separated for recycling through the gas-liquid separator 32 and the oil return pipe;
refrigerant absorption tube 2: the refrigerant absorption pipe 2 comprises an air inlet pipe 21, the air inlet pipe 21 is in threaded connection with a first electromagnetic valve 22, a drying filter 23 and a one-way pressure reducing valve 24 from left to right once, the other end, far away from the first electromagnetic valve 22, of the air inlet pipe 21 is connected with an air inlet of a compressor 31, after the first electromagnetic valve 22 is opened, the refrigerant in a waste bottle is recovered through the compressor 31 and the air inlet pipe 21, the recovered refrigerant is filtered through the drying filter 23, and the burst caused by overhigh pressure in the air inlet pipe 21 can be prevented through the one-way pressure reducing valve 24;
refrigerant liquefaction unit 4: the refrigerant liquefaction unit 4 comprises a condenser 41, the condenser 41 is arranged at the right end of the compressor 31, an air inlet of the condenser 41 is connected with an air outlet of the gas-liquid separator 32 through a pipeline, a pipeline connected with an air outlet on the right side wall of the condenser 41 is sequentially connected with a Y-shaped filter 42 and a second electromagnetic valve 43, the second electromagnetic valve 43 is opened, the refrigerant output from the air outlet of the gas-liquid separator 32 is liquefied through the condenser 41, the liquefied refrigerant is conveyed into a recovery tank 51 through a pipeline, the recovered refrigerant can be filtered through the Y-shaped filter 42, and the refrigerant is recovered to be purer;
refrigerant recovery unit 5: the refrigerant recovery unit 5 comprises a recovery tank 51, a transparent glass window 52 is arranged on the front surface of the recovery tank 51, a liquid inlet of the recovery tank 51 is connected with a pipeline connected with a liquid outlet of the condenser 41, and an operator can observe the amount of the liquid refrigerant in the recovery tank 51 conveniently through the transparent glass window 52;
wherein: the input end of the PLC module 12 is electrically connected with the output end of an external power supply, and the input ends of the first electromagnetic valve 22, the second electromagnetic valve 43, the compressor 31 and the condenser 41 are electrically connected with the output end of the PLC module 12.
Further, refrigerant recovery unit 5 still contains level sensor 54 and buzzer siren 53, level sensor 54 sets up in the upper end position of retrieving the inside right side wall of jar 51, buzzer siren 53 sets up in the right-hand member of retrieving jar 51, level sensor 54 is connected with PLC module 12 electricity, the output of PLC module 12 is connected to buzzer siren 53's input electricity, when the liquid level of the liquid refrigerant reaches level sensor 54 in retrieving jar 51, buzzer siren 53 can send audible and visual alarm, the staff's of being convenient for operation.
Further, still include pressure alarm unit 6, pressure alarm unit 6 contains pressure sensor 61, pressure sensor 61 sets up the rear end of drier-filter 23 in intake pipe 21, two 62 of buzzer sirens set up in position department in the middle of PLC module 12 and compressor 31, pressure sensor 61 is connected with PLC module 12 electricity, the output of compressor 31 is connected to two 62 of buzzer sirens's input electricity, when the pressure in intake pipe 21 reachd the value that pressure sensor 61 set for, two 62 of buzzer sirens can send audible and visual alarm, the suggestion staff refrigerant is retrieved and is accomplished or the circumstances such as putty appear, staff convenient operation, the refrigerant is retrieved totally.
Further, the refrigerant circulation liquefaction unit 7 is further included, the refrigerant circulation liquefaction unit 7 includes a gas return pipe 71, a one-way air outlet valve 72 is connected to the gas return pipe 71 through a thread, one end of the gas return pipe 71 is connected with the right side wall of the recovery tank 51, the other end of the gas return pipe 71 is connected with a pipeline connected with the air inlet end of the condenser 41, the gas refrigerant which is not liquefied in the recovery tank 51 can be conveyed into the condenser 41 again through the gas return pipe 71 and the one-way air outlet valve 72 for liquefaction, and the refrigerant is recovered completely.
When in use: after the air inlet pipe 21 is connected with the waste bottle, the first electromagnetic valve 22 is opened, the compressor 31 and the air inlet pipe 21 recover the refrigerant in the waste bottle, the drying filter 23 dries and filters the refrigerant in the air inlet pipe 21, the filtered gas refrigerant enters the compressor 31, the gas refrigerant in the compressor 31 flows into the gas-liquid separator 32 through a pipeline to separate the gas refrigerant from the refrigeration oil, the second electromagnetic valve 43 is opened, the condenser 41 liquefies the refrigerant output from the gas outlet of the gas-liquid separator 32, the liquefied refrigerant is conveyed into the recovery tank 51 through a pipeline, the recovered refrigerant can be filtered through the Y-shaped filter, the gas refrigerant which is not liquefied in the recovery tank 51 can be conveyed into the condenser 41 again through the air return pipe 71 and the one-way air outlet valve 72 to be liquefied, when the liquid level of the liquid refrigerant in the recovery tank 51 reaches the liquid level sensor 54, the first buzzer alarm 53 can give out an audible and visual alarm, the PLC module 12 controls the compressor 31 and the condenser 41 to stop working, when the pressure in the air inlet pipe 21 reaches a value set by the pressure sensor 61, the second buzzer alarm 62 can give out an audible and visual alarm, and the PLC module 12 controls the compressor 31 and the condenser 41 to stop working.
It should be noted that the model number of the PLC module 12 disclosed in this embodiment is S7-200, the model number of the pressure sensor 61 is MIK-P300, the model number of the liquid level sensor 54 is L053, and the PLC module 12 controls the first solenoid valve 22, the second solenoid valve 43, the compressor 31, the condenser 41, the first buzzer alarm 53, and the second buzzer alarm 62 according to the conventional technology.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A refrigerant recovery device is characterized in that: the refrigerant recovery device comprises a refrigerant recovery device bottom plate, a refrigerant absorption pipeline, a refrigerant absorption pipe, a refrigerant liquefaction unit and a refrigerant recovery unit;
refrigerant recovery unit bottom plate: the bottom plate of the refrigerant recovery device comprises a bottom plate body, the upper surface of the bottom plate body is provided with a PLC module, and four corners of the lower surface of the bottom plate body are respectively nested with a rotatable pulley;
a refrigerant compression unit: the refrigerant compression unit comprises a compressor, the compressor is arranged on the upper surface of the bottom plate body, an air outlet of the compressor is connected with a gas-liquid separator through a pipeline, and an oil return pipe connected with the right side wall of the gas-liquid separator is connected with an oil inlet of the compressor;
refrigerant absorption tube: the refrigerant absorption pipe comprises an air inlet pipe, a first electromagnetic valve, a drying filter and a one-way pressure reducing valve are in threaded connection with the air inlet pipe from left to right, and the other end, far away from the first electromagnetic valve, of the air inlet pipe is connected with an air inlet of the compressor;
a refrigerant liquefaction unit: the refrigerant liquefaction unit comprises a condenser, the condenser is arranged at the right end of the compressor, an air inlet of the condenser is connected with an air outlet of the gas-liquid separator through a pipeline, and a pipeline connected with a liquid outlet on the right side wall of the condenser is sequentially connected with a Y-shaped filter and a second electromagnetic valve;
a refrigerant recovery unit: the refrigerant recovery unit comprises a recovery tank, a transparent glass window is arranged on the front surface of the recovery tank, and a liquid inlet of the recovery tank is connected with a pipeline connected with a liquid outlet of the condenser;
wherein: the input end electricity of PLC module is connected the output of external power source, and the input of solenoid valve one, solenoid valve two, compressor and condenser all is connected with the output electricity of PLC module.
2. The refrigerant recovery device according to claim 1, wherein: the refrigerant recovery unit still contains level sensor and buzzer siren one, and level sensor sets up in the upper end position of retrieving the inside right side wall of jar, and buzzer siren one sets up in the right-hand member of retrieving the jar, and level sensor is connected with the PLC module electricity, and the output of PLC module is connected to the input electricity of buzzer siren one.
3. The refrigerant recovery device according to claim 1, wherein: still include pressure alarm unit, pressure alarm unit contains pressure sensor, and pressure sensor sets up drier-filter's rear end in the intake pipe, and buzzer siren two sets up in position department in the middle of PLC module and the compressor, and pressure sensor is connected with the PLC module electricity, and the output of compressor is connected to buzzer siren two's input electricity.
4. The refrigerant recovery device according to claim 1, wherein: still include refrigerant circulation liquefaction unit, refrigerant circulation liquefaction unit contains the muffler, and threaded connection has one-way air outlet valve on the muffler, and the one end of muffler is connected with the right side wall of recovery tank, and the pipeline that the other end and the condenser air inlet end of muffler are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020167394.0U CN211854552U (en) | 2020-02-13 | 2020-02-13 | Refrigerant recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020167394.0U CN211854552U (en) | 2020-02-13 | 2020-02-13 | Refrigerant recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211854552U true CN211854552U (en) | 2020-11-03 |
Family
ID=73249159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020167394.0U Expired - Fee Related CN211854552U (en) | 2020-02-13 | 2020-02-13 | Refrigerant recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211854552U (en) |
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2020
- 2020-02-13 CN CN202020167394.0U patent/CN211854552U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201103 |