CN104121735A - Flammable substance recovery device - Google Patents
Flammable substance recovery device Download PDFInfo
- Publication number
- CN104121735A CN104121735A CN201310144409.6A CN201310144409A CN104121735A CN 104121735 A CN104121735 A CN 104121735A CN 201310144409 A CN201310144409 A CN 201310144409A CN 104121735 A CN104121735 A CN 104121735A
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- compressor
- gas
- magnetic valve
- oil eliminator
- pipeline
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Abstract
The invention relates to a flammable substance recovery device which comprises a first oil separator and a second oil separator. An external air source is connected to one end of the first oil separator, the other end of the first oil separator is connected with an inlet of a compressor, and outlets of the compressor are connected with a gas recovery pipeline and a liquid recovery pipeline respectively. A recovery pipeline is further provided, and oil in the recovery pipeline can continue to be used in the compressor. A recovery device and the recovery pipelines are ingeniously designed to recover gas and liquid, free switching is achieved, and operation is convenient; when gas pressure is too high or too low, the recovery device automatically shuts down, and failures of the recovery device are avoided. Electric sparks in the device are all sealed or no sparks exist, leakage of pipelines is avoided, recovery is safe, clean and pollution free, and flammable gas and liquid can be safely and efficiently recovered.
Description
Technical field
The present invention relates to a kind of combustible material retracting device.
Background technology
Traditional air-conditioning refrigerator cold-producing medium is on the rise to the pollution of environment, therefore constantly there is new environmentally friendly cold-producing medium to be developed, but research is found, most environmentally friendly cold-producing mediums have inflammable and explosive shortcoming, present stage domestic refrigerator, refrigerator-freezer etc. all use be R600a cold-producing medium (novel carbon-hydrogen refrigerant), it belongs to flammable explosive gas, and the R290 cold-producing medium being about to for domestic air-conditioning system is also inflammable gas.So the refrigeration plant that adopts new flammable coolant system maintenance or when discarded refrigerant emission will be a breakneck job, when present stage keeps in repair, the mode of refrigerant processes is mainly direct discharge, in the process of discharge, refrigerant gas and air are blended in while running into spark and very easily occur to burn and explosion accident like this.Also there are some by recycling machine, to reclaim cold-producing medium, but traditional refrigerant recovering machine is mostly open-type structure, leakage point is many, and the interior a lot of device for switching of machine etc. produce spark, so traditional recycling machine inside leakage very easily occurs when reclaiming flammable coolant and likely blasts.
And combustible material is difficult to reclaim when liquid condition, in the market the rarely found retracting device that has gas and liquids recovery function concurrently.
Summary of the invention
The problem existing for solving prior art, the invention provides a kind of get final product gas recovery, also recyclable liquid, without leakage point, safety, combustible material retracting device that organic efficiency is high.
Combustible material retracting device of the present invention, it comprises the first oil eliminator and the second oil eliminator, described first oil eliminator one end external gas source, the other end connects compressor inlet, and compressor outlet divides gas recovery pipe road and liquids recovery pipeline; Gas recovery pipe road: the external source of the gas of described the first oil eliminator is the device of wanting gas recovery, described compressor outlet connects the second oil eliminator, described the second oil eliminator connects condenser, described condensator outlet connects storage steel bottle, after oil content being gone out through the second oil eliminator from compressor gases at high pressure out, enter condenser cooling, finally enter storage steel bottle and store; Liquids recovery pipeline: described compressor outlet directly connects wants withdrawal liquid device gas blanket, the external source of the gas of described the first oil eliminator is described storage steel bottle, described storage steel bottle inlet is wanted withdrawal liquid device liquid level described in connecting, from compressor gases at high pressure out, directly enter the device gas blanket of wanting withdrawal liquid, thereby the liquid of the liquid level of the described device of wanting withdrawal liquid is pressed into the inlet of described storage steel bottle; Described compressor is electrically connected to the first magnetic valve and the second magnetic valve respectively, the folding of compressor outlet place pipeline in gas recovery pipe road described in described the first solenoid control, the folding of compressor outlet place pipeline in liquids recovery pipeline described in described the second solenoid control.
Described the second oil eliminator is also connected with the import of described compressor, becomes return line; Described compression
Machine is electrically connected to the 3rd magnetic valve, the folding of return line described in described the 3rd solenoid control.
Described the first oil eliminator connects a fuel outlet valve, and described condensator outlet connects a check valve.
In described gas recovery pipe road, condensator outlet connects a check valve, and described check valve connects
Described holding bottle.
The import of described compressor is electrically connected to a low pressure controller, described compressor outlet is electrically connected to a high-pressure controller, described low pressure controller is all connected the second automatic switch with described high-pressure controller, when Compressor Inlet Pressure reaches the setting value of described low pressure controller, when compressor delivery pressure reaches the setting value of described high-pressure controller, described the second automatic switch disconnects, thereby disconnects operating circuit; Described low pressure controller two ends are electrically connected to a hand switch, in order in the situation that the lower hand off operating circuit of low pressure that operating pressure ratio is set.
Described compressor outlet arranges the first Pressure gauge.
Described the second magnetic valve and described the 3rd magnetic valve are connected in parallel, described the first magnetic valve with described in the second magnetic valve and the 3rd magnetic valve that are connected in parallel be all electrically connected to the first switch, thus, described the first switch is controlled the folding of described the first magnetic valve and the second magnetic valve, the 3rd magnetic valve.
Described low pressure controller and high-pressure controller are all electrically connected to the second automatic switch.
In described gas recovery pipe road, gas reclaims on source and described the first oil eliminator connecting line
The second Pressure gauge and intake valve are set.
Described gas recovery pipe road, liquids recovery pipeline and return line all adopt the pipeline of welding to connect, the coil of magnetic valve is all selected all-sealed structure Antiexplosive electromagnetic valve coil, compressor is selected totally-enclosed refrigerator or refrigerator-freezer PTC starter compressor, and switch is all selected totally-enclosed switch or flame-proof switch.
Combustible material retracting device of the present invention, its beneficial effect is:
By designing cleverly reclaimer and pipeline, both recyclable gas, also recyclable liquid, can freely change, easy to operate; Autostop when gas pressure is too high or too low, the equipment of preventing breaks down; Pipeline all adopts welding procedure to connect, the coil of magnetic valve is all selected all-sealed structure Antiexplosive electromagnetic valve coil, compressor is selected totally-enclosed refrigerator or refrigerator-freezer PTC starter compressor, switch is all selected totally-enclosed switch or flame-proof switch, the hermetically sealed isolated or no-spark of electric spark in machine, pipeline, without leakage, reclaims safety; In addition, also the oil separating can be recovered in compressor and use, machine automatically cleaning, makes to reclaim environment more clean, pollution-free, has also improved utilization rate, reclaims the gas obtaining very pure, and impurity is few.Thus, can reclaim safely, efficiently inflammable gas and liquid.
Accompanying drawing explanation
The picture that this accompanying drawing explanation provides is used for auxiliary to the further understanding of inventing, and forms the application's a part, does not form inappropriate limitation of the present invention, in the accompanying drawings:
Accompanying drawing 1 is the overall structure schematic diagram of combustible material retracting device of the present invention
Accompanying drawing 2 is the electrical block diagram of combustible material retracting device of the present invention
Accompanying drawing 3 is combustible material retracting device gas recovery pipe line structure schematic diagram of the present invention
Accompanying drawing 4 is combustible material retracting device liquids recovery pipeline structure schematic diagram of the present invention.
The specific embodiment
To describe the present invention in detail with specific embodiment below, in this illustrative examples of the present invention and explanation, be used for explaining the present invention, but not as a limitation of the invention.
Embodiment:
As shown in accompanying drawing 1 ~ 2, combustible material retracting device of the present invention, it comprises the first oil eliminator O1 and the second oil eliminator O2, described the first oil eliminator O1 is connect and is external to source of the gas by pipeline, the second Pressure gauge P4 and intake valve V1 are set on pipeline, in order to monitor gas feed pressure and adjusting gas flow, the oil export of the first oil eliminator O1 is connected to fuel outlet valve by pipeline, and then the oil containing in gas recovery is discharged, the gas outlet end of the first oil eliminator O1 is connected to compressor C1 import by pipeline, compressor C1 converts low-pressure gas to gases at high pressure, then be divided into two-way output, compressor outlet place arranges the first Pressure gauge P3 and detects compressor outlet place pressure, from compressor gases at high pressure out, be divided into gas recovery pipe road and liquids recovery pipeline, during gas recovery, from gas recovery pipe road, export, during withdrawal liquid, from liquids recovery pipeline, export:
Gas recovery pipe road: the external source of the gas of the first oil eliminator 01 is the device A that wants gas recovery, as air-conditioning, refrigerator etc., from the gases at high pressure of compressor C1 output, by pipeline, output to the second oil eliminator O2, enter the gases at high pressure of the second oil eliminator O2 after undue oil purification, by pipeline, be connected to condenser C2 again, condenser C2 connects a check valve E4, and gas flows to the air inlet of storage steel bottle B by check valve.
Liquids recovery pipeline: the external source of the gas of the first oil eliminator 01 is storage steel bottle, from the gas of compressor C1 output, directly by pipeline, be connected to the gas blanket of wanting withdrawal liquid device (air-conditioning, refrigerator etc.), withdrawal liquid device A(air-conditioning, refrigerator etc.) liquid level be connected to storage steel bottle B; Gas in storage steel bottle B enters the first oil eliminator 01, by after oily separation, gas enters compressor C1, from compressor C1 gases at high pressure out, enter device (air-conditioning, the refrigerator etc.) gas blanket of wanting withdrawal liquid, thereby the pressure of gas blanket raises, the cold-producing medium of lower floor's liquid state is pressed onto to the inlet of storage steel bottle B by pipeline, thereby reaches the object of withdrawal liquid cold-producing medium.
The second oil eliminator O2 is connected to the crankcase of compressor by ball-cock assembly V3 and pipeline, form return line, and the oil separating is supplied with to compressor crankcase, thereby compressor can not damaged because of oil starvation in the process of work.Also make the gas of recovery more clean simultaneously.
The control circuit of combustible material retracting device of the present invention is:
The first magnetic valve E1 controls the folding on described gas recovery pipe road, the first magnetic valve E1 controls the folding of liquids recovery pipeline, the 3rd magnetic valve E3 controls the folding of return line, the second magnetic valve E2 and the 3rd magnetic valve E3 are connected in parallel, compressor C1 is connected in series the first magnetic valve E1 and second, the circuit of the 3rd magnetic valve parallel connection, the first magnetic valve E1 and second, the circuit of the 3rd magnetic valve parallel connection connects the first K switch 1, when K1 connects the first electromagnetic valve circuit, the work of gas recovery pipe road, liquids recovery pipeline disconnects, K1 connects second, during the circuit of the 3rd magnetic valve parallel connection, liquids recovery pipeline and return line work, gas recovery pipe road disconnects, solenoid control pipeline folding thus.
Compressor C1 import department arranges a low pressure controller P1, P1 is electrically connected to compressor and the second automatic switch K2, equally, compressor C1 exit arranges a high-pressure controller P2, P2 is electrically connected to compressor and the second automatic switch K2, P1, P1 two ends are alarm lamp W1 and a W2 in parallel respectively, pressure controller P1, P2 arranges respectively low pressure lower limit and high pressure limit value, when reclaiming, approach when complete, pressure is very low, if Compressor Inlet Pressure reaches the low pressure lower limit of setting, alarm lamp W2 ring is reported to the police, low pressure controller disconnects automatically, now, machine quits work, gas reclaims complete, in like manner, if compressor delivery pressure reaches the high pressure limit value of setting, alarm lamp W1 ring is reported to the police, and high-pressure controller disconnects automatically, and machine quits work.
Low pressure controller P1 two ends are electrically connected to a manual K switch 3, and in order in the situation that the lower circuit use of manually connecting of low pressure that operating pressure ratio is set, that the system of being taken out can be taken out like this is cleaner.
During machine work, first, carry out gas recovery, the first K switch 1 is got to gas and reclaim shelves, the first magnetic valve E1 connects, the second magnetic valve E2 and the 3rd magnetic valve E3 disconnect, connect pipeline, the import of device is connected to the device A(air-conditioning of wanting gas recovery, refrigerator etc.), check valve E4 outlet connects storage steel bottle B, open recycling machine switch and intake valve V1, start air inlet, simultaneously, the second Pressure gauge P4 detects inlet pressure, the inflammable gas reclaiming enters the first oil eliminator O1 from pipeline, after oil content in gas is gone out, gas enters compressor C1 import from the outlet of the first oil eliminator O1 by pipeline, low pressure controller P1 detects Compressor Inlet Pressure, if pressure is greater than the low pressure of setting, work on, compressor C1 converts low-pressure gas to gases at high pressure, gases at high pressure are from compressor C1 outlet output, at this moment, high-pressure controller P2 detects compressor delivery pressure, if actual pressure is not more than high pressure setting value, device works on, from compressor gases at high pressure out, after pressure detecting, enter the second oil eliminator O2, the second oil eliminator 02 gas out enters into condenser C2 through pipeline, gas enters storage steel bottle B and stores after cooling.When gain quick return while finishing, Compressor Inlet Pressure is very little, and when low pressure controller P1 detects Compressor Inlet Pressure and reaches the low pressure setting, P1 disconnects automatically, and this timer quits work automatically; If P1 also wants after disconnecting to continue to take out for a moment more, now manually K3 connects, and while stopping, manual K3 stops machine work.
Gas recovery storage steel bottle B adopts the steel cylinder that can repeat to fill tank, general aeration quantity can not be higher than 80% of steel cylinder capacity, inflammable gas is 40%, liquid level sensor and switch are installed in steel cylinder, liquid level sensor is electrically connected to recycling machine, and when inflation/liquid measure reaches 80%, liquid level sensor gives recycling machine signal, switch action, cuts off recycling machine.
In addition, also can with an electronic scale, monitor in steel cylinder bottom the gross weight of steel cylinder, to guarantee that steel cylinder capacity is no more than 80% or 40% of its total capacity.
During withdrawal liquid, the first K switch 1 is got to liquids recovery shelves, the first magnetic valve E1 disconnects, the second magnetic valve E2 and the 3rd magnetic valve E3 connect, device import connection one is equipped with to the air inlet of the storage steel bottle of gas, the inlet of this storage steel bottle B is connected to the device A(air-conditioning of wanting withdrawal liquid, refrigerator etc.) bottom is liquid level, device for opening switch and intake valve V1, start air inlet, simultaneously, the second Pressure gauge P4 detects inlet pressure, gas enters the first oil eliminator O1 from pipeline, after oil content in gas is gone out, gas enters compressor C1 import from the outlet of the first oil eliminator O1 by pipeline, low pressure controller P1 detects Compressor Inlet Pressure, if pressure is greater than the low pressure of setting, work on, compressor C1 converts low-pressure gas to gases at high pressure, gases at high pressure are from compressor C1 outlet output, at this moment, high-pressure controller P2 detects compressor delivery pressure, if actual pressure is not more than high pressure setting value, device works on, from compressor gases at high pressure out, after pressure detecting, be directly connected to and want withdrawal liquid device A(air-conditioning, refrigerator etc.) upper gas layer, now, upper pressure increases, the liquid of lower liquid layer is pressed onto to the inlet of storage steel bottle B by pipeline, thereby liquid is also recovered in storage steel bottle B.
In the time of withdrawal liquid, the oil staying in the second oil eliminator O2 when gas recovery is got back to the crankcase of compressor C1 from pipeline.
When withdrawal liquid, must monitor with an electronic scale weight of storage steel bottle, when weight reaches the weight that 80% liquid is housed, because liquids recovery is a push-and-pull siphonic process, once start, it can carry out constantly and may make storage tank excessive filled, even if float liquid level sensor is housed on recycling can, even if shutdown siphon still can continue, now must people be that the valve of closing on storage tank and equipment is excessive to prevent.
Above-mentioned pipeline all adopts welding procedure to connect, the coil of magnetic valve is all selected all-sealed structure Antiexplosive electromagnetic valve coil, compressor is selected totally-enclosed refrigerator or refrigerator-freezer PTC starter compressor, switch is all selected totally-enclosed switch or flame-proof switch, thus, the hermetically sealed isolated or no-spark of electric spark in machine, pipeline, without leakage, reclaims safety.
The present invention is by designing cleverly reclaimer and pipeline, both recyclable gaseous mediums, and in gaseous mediums, also recyclable liquid media, conversion automatically, automaticity is very high; Autostop when gas pressure is too high or too low, the equipment of preventing breaks down; Pipeline all adopts welding procedure to connect, the coil of magnetic valve is all selected all-sealed structure Antiexplosive electromagnetic valve coil, compressor is selected totally-enclosed refrigerator or refrigerator-freezer PTC starter compressor, switch is all selected totally-enclosed switch or flame-proof switch, the hermetically sealed isolated or no-spark of electric spark in machine, pipeline, without leakage, reclaims safety; In addition, also the oil separating can be recovered in compressor and use, machine automatically cleaning, makes to reclaim environment more clean, pollution-free, has also improved utilization rate, reclaims the gas obtaining very pure, and impurity is few.Thus, can reclaim safely, efficiently inflammable gas.
The technical scheme above embodiment of the present invention being provided is described in detail, applied specific case herein the principle of the embodiment of the present invention and embodiment are set forth, the explanation of above embodiment is only applicable to help to understand the principle of the embodiment of the present invention; , for one of ordinary skill in the art, according to the embodiment of the present invention, in the specific embodiment and range of application, all will change, in sum, this description should not be construed as limitation of the present invention meanwhile.
Claims (10)
1. a combustible material retracting device, is characterized in that:
Comprise the first oil eliminator and the second oil eliminator, described first oil eliminator one end external gas source, the other end connects compressor inlet, and compressor outlet divides gas recovery pipe road and liquids recovery pipeline;
Gas recovery pipe road: the external source of the gas of described the first oil eliminator is the device of wanting gas recovery, described compressor outlet connects the second oil eliminator, described the second oil eliminator connects condenser, described condensator outlet connects storage steel bottle, after oil content being gone out through the second oil eliminator from compressor gases at high pressure out, enter condenser cooling, finally enter storage steel bottle and store;
Liquids recovery pipeline: described compressor outlet directly connects the gas blanket of wanting withdrawal liquid device, the gas blanket that the external source of the gas of described the first oil eliminator is described storage steel bottle, described in connecting, wants described storage steel bottle inlet the liquid level of withdrawal liquid device, from compressor gases at high pressure out, directly enter the device gas blanket of wanting withdrawal liquid, thereby the described liquid of wanting the liquid level of withdrawal liquid device is pressed into the inlet of described storage steel bottle;
Described compressor is electrically connected to the first magnetic valve and the second magnetic valve respectively, the folding of compressor outlet place pipeline in gas recovery pipe road described in described the first solenoid control, the folding of compressor outlet place pipeline in liquids recovery pipeline described in described the second solenoid control.
2. combustible material retracting device as claimed in claim 1, is characterized in that:
Described the second oil eliminator is also connected with the crankcase of described compressor, becomes return line; Described compressor is electrically connected to the 3rd magnetic valve, the folding of return line described in described the 3rd solenoid control.
3. combustible material retracting device as claimed in claim 2, is characterized in that:
Described the first oil eliminator connects a fuel outlet valve, and described condensator outlet connects a check valve.
4. combustible material retracting device as claimed in claim 1, is characterized in that:
In described gas recovery pipe road, condensator outlet connects a check valve, described in described check valve connects, deposits
Storage steel cylinder.
5. combustible material retracting device as claimed in claim 1, is characterized in that:
The import of described compressor is electrically connected to a low pressure controller, described compressor outlet is electrically connected to a high-pressure controller, described low pressure controller is all connected the second automatic switch with described high-pressure controller, when Compressor Inlet Pressure reaches the setting value of described low pressure controller, when compressor delivery pressure reaches the setting value of described high-pressure controller, described the second automatic switch disconnects, thereby disconnects operating circuit;
Described low pressure controller two ends are electrically connected to a hand switch, in order in the situation that the lower hand off operating circuit of low pressure that operating pressure ratio is set.
6. combustible material retracting device as claimed in claim 1, is characterized in that:
Described compressor outlet arranges the first Pressure gauge.
7. combustible material retracting device as claimed in claim 1, is characterized in that:
Described the second magnetic valve and described the 3rd magnetic valve are connected in parallel, described the first magnetic valve with described in the second magnetic valve and the 3rd magnetic valve that are connected in parallel be all electrically connected to the first switch, thus, described the first switch is controlled the folding of described the first magnetic valve and the second magnetic valve, the 3rd magnetic valve.
8. combustible material retracting device as claimed in claim 5, is characterized in that:
Described low pressure controller and high-pressure controller are all electrically connected to the second automatic switch.
9. combustible material retracting device as claimed in claim 1, is characterized in that:
In described gas recovery pipe road, gas reclaims on source and described the first oil eliminator connecting line the second Pressure gauge and intake valve is set.
10. combustible material retracting device as claimed in claim 1, is characterized in that:
Described gas recovery pipe road, liquids recovery pipeline and return line all adopt the pipeline of welding to connect, the coil of magnetic valve is all selected all-sealed structure Antiexplosive electromagnetic valve coil, compressor is selected totally-enclosed refrigerator or refrigerator-freezer PTC starter compressor, and switch is all selected totally-enclosed switch or flame-proof switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310144409.6A CN104121735B (en) | 2013-04-23 | 2013-04-23 | A kind of flammable coolant retracting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310144409.6A CN104121735B (en) | 2013-04-23 | 2013-04-23 | A kind of flammable coolant retracting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104121735A true CN104121735A (en) | 2014-10-29 |
| CN104121735B CN104121735B (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310144409.6A Active CN104121735B (en) | 2013-04-23 | 2013-04-23 | A kind of flammable coolant retracting device |
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| JP2008275273A (en) * | 2007-05-01 | 2008-11-13 | Dengen Kk | Refrigerant recovery device and refrigerant recovery unit |
| 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 |
| CN201628430U (en) * | 2010-01-25 | 2010-11-10 | 大连三洋压缩机有限公司 | Automatic recovering and charging device of refrigerating system |
| CN203231597U (en) * | 2013-04-23 | 2013-10-09 | 李兴银 | Flammable substance recovery device |
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2013
- 2013-04-23 CN CN201310144409.6A patent/CN104121735B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07190568A (en) * | 1993-12-28 | 1995-07-28 | Matsuda Sangyo Kk | Refrigerant recovering apparatus |
| US5617731A (en) * | 1995-04-19 | 1997-04-08 | Mainstream Engineering Corporation | Refrigerant recovery/recycling system |
| CN2742351Y (en) * | 2004-10-27 | 2005-11-23 | 深圳市元征科技股份有限公司 | Cold medium recovery and refilling device |
| JP2008275273A (en) * | 2007-05-01 | 2008-11-13 | Dengen Kk | Refrigerant recovery device and refrigerant recovery unit |
| 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 |
| CN201628430U (en) * | 2010-01-25 | 2010-11-10 | 大连三洋压缩机有限公司 | Automatic recovering and charging device of refrigerating system |
| CN203231597U (en) * | 2013-04-23 | 2013-10-09 | 李兴银 | Flammable substance recovery device |
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| CN104121735B (en) | 2016-08-31 |
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Effective date of registration: 20180118 Address after: Kylin Gutianquan Road Industrial Park in Jiangning District of Nanjing City, Jiangsu Province, No. 15 210000 Patentee after: Nanjing Buddha Levin Pml Precision Mechanism Ltd Address before: Jianye District of Nanjing City, Jiangsu province 210000 chating Street No. 186 Building 2 Room 303 Patentee before: Li Xingyin |
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