CN103306110A - Household dry cleaning device, dry cleaning method and dry cleaning solvent recovery method - Google Patents

Household dry cleaning device, dry cleaning method and dry cleaning solvent recovery method Download PDF

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Publication number
CN103306110A
CN103306110A CN2012100569193A CN201210056919A CN103306110A CN 103306110 A CN103306110 A CN 103306110A CN 2012100569193 A CN2012100569193 A CN 2012100569193A CN 201210056919 A CN201210056919 A CN 201210056919A CN 103306110 A CN103306110 A CN 103306110A
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solvent
dry
filter
cleaning
dry cleaning
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CN2012100569193A
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CN103306110B (en
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郝世龙
何政保
劳春峰
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Qingdao Haier Drum Washing Machine Co Ltd
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Haier Group Corp
Haier Group Technology Research and Development Center
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Abstract

The invention relates to a household dry cleaning device, a dry cleaning method and a dry cleaning solvent recovery method. A used dry cleaning solvent sequentially passes through a plurality of stages of filtering units, which are connected in series, to be filtered stage by stage so as to reach the standard of cleaning clothes, thereby circularly recovering and recycling the solvent. According to the invention, purification and recovery processing of a distiller on the solvent in the prior art are omitted; and not only can the washing flow be simplified and the solvent is simple, rapid and convenient to recover, but also structures of the distiller and the like in the prior art are omitted, so that the complete machine has a simple structure, equipment volume is reduced and the popularization and application of the dry cleaning machine in families are facilitated.

Description

Household dry cleaning device, dry-cleaning method and dry-cleaning solvent recovery method
Technical field
The present invention relates to a kind ofly use solvent that clothing is cleaned and dry Household dry cleaning device, dry-cleaning method and dry-cleaning solvent recovery method, belong to the dry cleaning technology field.
Background technology
Existing use solvent comprises the dry cleaner that clothing cleans: solvent tank, solvent pump, cleaning-drum, fluid reservoir, fan, heater, condenser, distiller, oil water separator, vavuum pump etc.Its dry-cleaning process is roughly: the solvent in the solvent tank in pump enters cleaning-drum, is realized the feed liquor washing of solvent through pipeline, wash complete after, dry and take off liquid, solvent is through flowing to fluid reservoir, the realization solvent separates with clothes.During oven dry, fan work, the cold wind heater via becomes hot-air and enters in the cylinder, hot blast is taken away solvent vapo(u)r by leakage fluid dram, enter the air duct of condenser, vapours is behind condenser, and the solvent cooling stream is to the solvent liquid reserve tank, air is circulating in the air channel repeatedly constantly, thus the recovery of solvent when realizing oven dry.During distillating recovering solvent, waste liquid is pumped out from fluid reservoir, enters in the distiller, and in still-process, solvent vapo(u)r is cooled to liquid from the gas outlet through stram condenser, flow to the purification that realizes solvent in the liquid reserve tank through oil water separator and reclaims.Before distillation, should distiller be vacuumized by vavuum pump, thereby realize decompression distillation, reduce the vapo(u)rizing temperature of solvent.
In existing dry cleaner, condenser is with circulating water, heater adopts steam under pressure realization work, and adopt independent distiller will wash solvent for use and distill, behind condenser and oil water separator multi_layer extraction removal moisture, reuse, flow process connects more complicated, equipment volume is also very huge, complex structure, and system is numerous.
Summary of the invention
Main purpose of the present invention is to address the above problem and is not enough, provides a kind of complete machine structure simple, and volume reduces, and the solvent recovery simple and fast is suitable for the Household dry cleaning device that family uses.
Another main purpose of the present invention is, but a kind of simple flow is provided, and can make complete machine structure simple, reduce volume, be suitable for the dry-cleaning method that family uses.
Another main purpose of the present invention is, but a kind of dry-cleaning solvent recovery method of simple flow is provided.
For achieving the above object, technical scheme of the present invention is:
A kind of Household dry cleaning device comprises cylindric washer and solvent filter recovery system, and described solvent filter recovery system is comprised of solvent liquid reserve tank, multistage filtering unit and connecting pipe, and described multistage filtering unit is connected in series connection mutually.
Further, described multistage filtering unit comprise at least centrifugal filter, be used for the single filter unit of filtering particle impurity, the cascade filtration unit of the oil removing that is used for dewatering.
Further, described single filter unit is stainless steel cloth or nonwoven fabric or Nomex or PP plastics.
Further, described cascade filtration unit is composed in series by in active carbon filter, activated alumina filter, filtered through silica gel device, silica filter, anhydrous chlorine water calcium filter, molecular sieve, the super absorbent resin one or more.
Further, described dry-cleaning apparatus also comprises fan, heater, condenser and oil water separator, have inlet at described urceolus, leakage fluid dram, air inlet and exhaust outlet, described inlet is communicated with described solvent liquid reserve tank by feed tube, at described feed tube solvent pump is set, described leakage fluid dram is communicated with described solvent liquid reserve tank by discharging tube, described air inlet is communicated with intake channel, described fan and heater are arranged in the described intake channel, described exhaust outlet is communicated with condenser pipe, the other end of described condenser pipe is communicated with described solvent liquid reserve tank, and described condenser and oil water separator series connection are arranged in the described condenser pipe.
Further, described condenser is air-cooled condenser, is arranged in the current path of described fan.
Further, be provided with the button filter at described discharging tube.
Further, described condenser pipe branches out a vacuum line, and a vavuum pump is set in described vacuum line, and the other end of described vacuum line is communicated with described solvent liquid reserve tank.
Further, a vacuum buffer device is set again in described vacuum line.
Further, described dry-cleaning apparatus also comprises the solvent purification recovery system, and described solvent purification recovery system comprises that described heater is arranged in the described cylindric washer for the heater of solvent evaporation.
Further, described cylindric washer comprises inner core and urceolus, and described heater is arranged between described inner core barrel and the urceolus barrel.
Another technical scheme of the present invention is:
A kind of dry-cleaning method comprises the steps:
In cylindric washer, throw in solvent, carry out the washing of clothing;
Dry and take off liquid, with solvent and clothing initial gross separation, solvent discharge is extremely in the described solvent liquid reserve tank;
Carry hot-air in cylindric washer, make solvent evaporation residual in the cylindric washer, drying clothes is back in the described solvent liquid reserve tank after solvent vapo(u)r process condensation and the water-oil separating simultaneously;
Used solvent is filtered step by step by the multistage filtering recovery system, and the solvent after the filtration is recycled in the solvent liquid reserve tank again and waits to utilize.
Further, also comprise the step that solvent purification is reclaimed, will be arranged in the cylindric washer for the heater of purifying recovery dry-cleaning solvent, the dry-cleaning solvent of recovery to be purified is thrown in again to cylindric washer, is solvent vapo(u)r through described heater heating evaporation.
Further, reclaim after the process condensation of the solvent vapo(u)r behind the described heating evaporation and the water-oil separating.
Another technical scheme of the present invention is:
A kind of dry-cleaning solvent recovery method filters used dry-cleaning solvent by the multistage filtering unit successively step by step, makes its standard that reaches cleaning clothes, and then with the solvent recycling that circulates.
Further, described multistage filtering unit comprise at least centrifugal filter, be used for the single filter unit of filtering particle impurity, the cascade filtration unit of the oil removing that is used for dewatering.
Further, described single filter unit is stainless steel cloth or nonwoven fabric or Nomex or PP plastics.
Further, described cascade filtration unit is composed in series by in active carbon filter, activated alumina filter, filtered through silica gel device, silica filter, anhydrous chlorine water calcium filter, molecular sieve, the super absorbent resin one or more.
Content to sum up, a kind of Household dry cleaning device of the present invention, dry-cleaning method and dry-cleaning solvent recovery method, utilize the multistage filtering system that used dry-cleaning solvent is filtered with recycling, the distiller that has omitted the independent setting of industrial dry cleaner in the prior art carries out the purifying recycling to solvent, not only can simplify washing flow, solvent recovery is simple and fast also, the structures such as distiller of the independent setting of industrial dry cleaner of the prior art have also been omitted, make complete machine structure simple, reduce equipment volume, be conducive to dry cleaner universal use in the family.
Description of drawings
Fig. 1 is the embodiment of the invention one dry-cleaning apparatus structural representation;
Fig. 2 is the embodiment of the invention two dry-cleaning apparatus structural representations.
As depicted in figs. 1 and 2, inner core 1, urceolus 2, inlet 3, leakage fluid dram 4, air inlet 5, exhaust outlet 6, fan 7, heater 8, intake channel 9, solvent liquid reserve tank 10, solvent pump 11, condenser 12, oil water separator 13, feed tube 14, liquid flowing valve 15, discharging tube 16, button filter 17, draining valve 18, condenser pipe 19, valve 20, electromagnetic valve 21, vacuum line 22, vavuum pump 23, vacuum buffer device 24, pipeline 25, centrifugal filter 26, single filter unit 27, active carbon filter 28, activated alumina filter 29, filtered through silica gel device 30, heater 31, valve 32.
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment the present invention is described in further detail:
Embodiment one:
As shown in Figure 1, a kind of dry cleaner comprises supply air system, solvent condenses recovery system, solvent filter recovery system and cylindric washer.
Wherein, cylindric washer comprises inner core 1 and urceolus 2, barrel at inner core 1 has the perforate (not shown) that several pass through for solvent, need the clothing of washing to be placed on solvent required with dry-cleaning in the inner core 1, inner core 1 drives rotation by drive unit, clothing is constantly rolling in inner core 1, finishes the washing of clothing.Barrel at urceolus 2 has inlet 3, leakage fluid dram 4, air inlet 5 and the exhaust outlet 6 that is communicated with the inner space of urceolus 2.Smooth and easy for guaranteeing into discharge opeing and turnover gas, inlet 3 is positioned at the top of urceolus 2, and leakage fluid dram 4 is positioned at the bottom of urceolus 2, and air inlet 5 is positioned at the top of urceolus 2, and exhaust outlet 6 is positioned at the top of urceolus 2.
Supply air system comprises fan 7, heater 8 and intake channel 9, and fan 7 and heater 8 are arranged in the intake channel 9, and fan 7 adopts centrifugal fan, and heater 8 is positioned at the air draft side of fan 7, and intake channel 9 is connected with air inlet 5.In the time need to drying the clothing in the inner core 1 and solvent, start fan 7 and heater 8, form hot-air after 8 heating of cold air heater via, enter in inner core 1, the urceolus 2 through air inlet 5 along intake channel 9, wash used solvent and under the heat effect of hot-air, evaporate.
As shown in Figure 1, the solvent condenses recovery system comprises solvent liquid reserve tank 10, solvent pump 11, condenser 12 and oil water separator 13, and solvent liquid reserve tank 10 is divided into 10a and 10b two parts.For simplifying complete machine structure, in the present embodiment, condenser 12 preferably adopts air-cooled condensers, and be arranged in the current path of fan 7, condenser 12 is arranged on the inlet side of fan 7, utilizes 7 pairs of condensers 12 of fan to lower the temperature, and then the solvent vapo(u)r in the cooler condenser 12.
Inlet 3 on the urceolus 2 is communicated with solvent liquid reserve tank 10a by feed tube 14, whole feed tube 14 is divided into B section, L section and E section, solvent pump 11 is arranged between the L section and E section of feed tube 14, the entrance of B section stretches to the bottom of solvent liquid reserve tank 10a, solvent in the solvent liquid reserve tank 10a is all thrown under the effect of solvent pump 11 to urceolus 2, the liquid flowing valve 15 of its switching of control is set at inlet 3 places.
Leakage fluid dram 4 on the urceolus 2 is communicated with solvent liquid reserve tank 10b by discharging tube 16, the draining valve 18 of one its switching of control is set at leakage fluid dram 4 places, the outlet of discharging tube 16 stretches to the bottom of solvent liquid reserve tank 10b, and used solvent is disposed to temporarily storage in the solvent liquid reserve tank 10b by discharging tube 16.At discharging tube 16 a button filter 17 is set, be used for filters washing process at clothes and fall to article such as button in the solvent, button filter 17 in use for some time can periodic cleaning.
Exhaust outlet 6 is communicated with condenser pipe 19, whole condenser pipe 19 is divided into G section, H section and D section, condenser 12 is between G section and H section, oil water separator 13 is arranged on the H section, the valve 20 of one timing switching function is set between H section and D section, when the solvent liquid in the oil water separator 13 reached a certain amount of, valve 20 was opened the solvent liquid after discharging separates.Solvent vapo(u)r in the cylindric washer enters condenser pipe 19 by exhaust outlet 6 G section, enter again condenser 12 coolings, be condensed into liquid and flow into the H section, after process oil water separator 13 is isolated solvent interior oil and water again, enter in the solvent liquid reserve tank 10b by D section condenser pipe 19.At exhaust outlet 6 places one electromagnetic valve 21 is set, is used for the switching of control exhaust outlet 6.
Go out a vacuum line 22 in condenser pipe 19 top sets, one vavuum pump 23 is set in the vacuum line 22, the other end of vacuum line 22 is communicated with solvent liquid reserve tank 10b, utilize vavuum pump 23 in condenser pipe 19 and urceolus 2 interior formation negative pressure, and then the flow direction of the solvent vapo(u)r in the restriction urceolus 2, solvent vapo(u)r is discharged from exhaust outlet 6 smoothly.In addition, the solvent gas of total condensation of failing in the solvent liquid reserve tank 10b also can be discharged by vavuum pump 23.
One vacuum buffer device 24 is set in vacuum line 22 again, and a small amount of residual gas in the pipeline carries out emptying through vacuum buffer device 24.
As shown in Figure 1, the solvent filter recovery system is comprised of solvent liquid reserve tank 10, multistage filtering unit and connecting pipe 25, and the multistage filtering unit is connected in series connection mutually, and connecting pipe 25 is divided into the F section of liquid feeding end and the A section of fluid section.
The multistage filtering unit comprises centrifugal filter 26 at least, be used for the single filter unit 27 of filtering particle impurity, the cascade filtration unit of the oil removing that is used for dewatering.
Wherein, centrifugal filter 26 can with solvent sucking-off from solvent liquid reserve tank 10b, carry out primary filter to the impurity in the solvent simultaneously.
Single filter unit 27 is used for the fine particle impurity of filter solvents, can adopt stainless steel cloth or nonwoven fabric or Nomex or PP plastic or other material, can by simple manner of cleaning up regeneration, can realize reusing after use a period of time.
The cascade filtration unit can adopt the filters such as active carbon filter, activated alumina filter, filtered through silica gel device, silica filter, anhydrous chlorine water calcium filter, molecular sieve, super absorbent resin, with the water in the desolventizing, oil and other organic matter.The cascade filtration unit is selected a kind of filter wherein at least, reaches Application standard after making solvent filter, and is preferred, adopts filter more than two kinds in above-mentioned mutually to composing in series.Super absorbent resin is polymer-function material, and material is poly-polyvinyl alcohol, acetate ethylene copolymer class, polyurethanes, poly(ethylene oxide) class or starch graft copolymer class etc.
In the present embodiment, select 30 3 kinds of active carbon filter 28, activated alumina filter 29 and filtered through silica gel devices, solvent filters by above-mentioned three kinds of filters successively.Wherein, active carbon filter 28 adopts bulk filters, fills quartz sand and active carbon and carries out double medium filtration, be mainly used in to solvent decolour, oil removing and other organic matter etc.Activated alumina filter 29 is mainly used in removing micro-content organism in the solvent, and the part moisture in the lyosoption.Filtered through silica gel device 30 is mainly used in further removing the moisture in the solvent.
Used solvent once, or through the solvent after repeatedly using, in the time of need to carrying out filter regeneration to it, start centrifugal filter 26, solvent sucking-off from solvent liquid reserve tank 10b along connecting pipe 25, is passed through single filter unit 27, active carbon filter 28, activated alumina filter 29 and filtered through silica gel device 30 successively, A section via connecting pipe 25 is back in the solvent liquid reserve tank 10a again, waits to recycle.After the above-mentioned step by step filtration of solvent process, can reach Application standard fully, and then make the solvent cycling and reutilization.The described dry-cleaning apparatus of the present embodiment has omitted distiller of the prior art, not only can simplify washing flow, solvent recovery is simple and fast also, the structures such as distiller of the prior art have also been omitted, make complete machine structure simple, reduce equipment volume, be conducive to dry cleaner universal use in the family.Activated alumina filter 29 also can be replaced by the super absorbent resin filter.
The below describes the dry-cleaning method of this dry-cleaning apparatus in detail according to shown in Figure 1, specifically comprises the steps:
The input of step 1, solvent:
Valve 15 is opened, solvent pump 11 is opened, other valve is all closed, solvent in solvent liquid reserve tank 10a, enter from the porch of the B section of feed tube 14, pass through successively B section feed tube 14, L section feed tube 14, solvent pump 11, E section feed tube 14, enter in the urceolus 2 finally by the inlet 3 of crossing on the urceolus 2, solvent passes perforate on inner core 1 barrel and enters in the inner core 1 and mix with clothing.
Step 2, clothes washing:
After feed liquor finished, solvent pump 11 was closed, and valve 15 is closed, and drove inner core 1 rotation by drive unit, and clothing is finished the washing of clothing in inner core 1 interior upset.
Step 3, dry and take off liquid:
After washing finished, valve 18 was opened, and other valve is all closed, and the solvent waste liquids in the urceolus 2 enter in the discharging tube 16 by leakage fluid dram 4, and the solvent waste liquid is through button filter 17, after enter in the solvent liquid reserve tank 10b, finish the initial gross separation of solvent and clothing.
Step 4, evaporation and oven dry:
Valve 18 is closed, electromagnetic valve 21 is opened, fan 7 and heater 8 start, cold air enters in the urceolus 2 by air inlet 5 through 8 one-tenth hot-airs of heater, hot-air is with the solvent heating evaporation that reaches in urceolus 2 and the inner core 1 on the clothing, solvent vapo(u)r enters the G section of condenser pipe 19 by exhaust outlet 6 and electromagnetic valve 21, after condenser 12 condensations, the H section of condensed solvent liquid by condenser pipe 19 entered oil water separator 13, filtration through oil water separator 13, condenser pipe 19 through the D section enters in the solvent liquid reserve tank 10b again, just clothing can be taken out afterwards.
In this process, vavuum pump 23 is opened, and under the effect of vavuum pump 23, in condenser pipe 19 interior formation negative pressure, is conducive to limit the flow direction of the solvent vapo(u)r in the urceolus 2, and solvent vapo(u)r is entered in the condenser pipe 19 smoothly.A small amount of residual gas carries out emptying through vacuum buffer device 24 to be processed.
Step 5, filtered and recycled are processed:
When using described dry-cleaning solvent repeatedly (filtered and recycled of certainly carrying out dry-cleaning solvent can be carried out according to user's needs) behind the washing clothes, in the time of need to carrying out filtration treatment to dry-cleaning solvent, start centrifugal filter 26, solvent sucking-off from solvent liquid reserve tank 10b, along connecting pipe 25, pass through successively single filter unit 27, active carbon filter 28, activated alumina filter 29 and filtered through silica gel device 30, A section via connecting pipe 25 is back in the solvent liquid reserve tank 10a again, thereby the filtered and recycled that realizes solvent is waited to utilize.
Embodiment two:
As shown in Figure 2, be with embodiment one difference, in dry-cleaning apparatus, also be provided with the solvent purification recovery system, before filtration or after filtering, again solvent is carried out purification process.
The solvent purification recovery system comprises a heater 31 that solvent is carried out the heating evaporation processing, and heater 31 adopts electric heaters, is arranged in the space between inner core 1 barrel and urceolus 2 barrels, and is arranged at the bottom position of urceolus 2.
When needs carry out purification process to solvent, the feed liquor path of solvent before washing thrown in again to urceolus 2, heater 31 starts, solvent evaporates in urceolus 2, electromagnetic valve 21 is opened, solvent vapo(u)r enters the G section of condenser pipe 19 by exhaust outlet 6 and electromagnetic valve 21, after condenser 12 condensations, the H section of condensed solvent liquid by condenser pipe 19 entered oil water separator 13, through the filtration of oil water separator 13, the condenser pipe 19 through the D section enters in the solvent liquid reserve tank 10b again.
Solvent liquid after the purification process is stored in the solvent liquid reserve tank 10b, and feed tube 14 and discharging tube 16 are by multiway valve 32 interconnections.Solvent in the solvent liquid reserve tank 10b, can directly leave in the solvent liquid reserve tank 10b, before washing, open valve 32, the lower semisection of discharging tube 16 is communicated with the L section of feed tube 14, and solvent liquid reserve tank 10b enters in the urceolus 2 along the E section of L section, solvent pump 11 and the feed tube 14 of discharging tube 16, valve 32, feed tube 14.
Solvent in the solvent liquid reserve tank 10b also can be back to by the B section of discharging tube 16, valve 32, feed tube 14 in the solvent liquid reserve tank 10a.
As mentioned above, given scheme content can derive similar technical scheme by reference to the accompanying drawings.In every case be the content that does not break away from technical solution of the present invention,, all still belong in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment does according to technical spirit of the present invention.

Claims (18)

1. Household dry cleaning device, it is characterized in that: comprise cylindric washer and solvent filter recovery system, described solvent filter recovery system is comprised of solvent liquid reserve tank, multistage filtering unit and connecting pipe, and described multistage filtering unit is connected in series connection mutually.
2. Household dry cleaning device according to claim 1 is characterized in that: described multistage filtering unit comprises centrifugal filter at least, be used for the single filter unit of filtering particle impurity, the cascade filtration unit of the oil removing that is used for dewatering.
3. Household dry cleaning device according to claim 2, it is characterized in that: described single filter unit is stainless steel cloth or nonwoven fabric or Nomex or PP plastics.
4. Household dry cleaning device according to claim 2 is characterized in that: described cascade filtration unit is composed in series by in active carbon filter, activated alumina filter, filtered through silica gel device, silica filter, anhydrous chlorine water calcium filter, molecular sieve, the super absorbent resin one or more.
5. Household dry cleaning device according to claim 1, it is characterized in that: described dry-cleaning apparatus also comprises fan, heater, condenser and oil water separator, have inlet at described urceolus, leakage fluid dram, air inlet and exhaust outlet, described inlet is communicated with described solvent liquid reserve tank by feed tube, at described feed tube solvent pump is set, described leakage fluid dram is communicated with described solvent liquid reserve tank by discharging tube, described air inlet is communicated with intake channel, described fan and heater are arranged in the described intake channel, described exhaust outlet is communicated with condenser pipe, the other end of described condenser pipe is communicated with described solvent liquid reserve tank, and described condenser and oil water separator series connection are arranged in the described condenser pipe.
6. Household dry cleaning device according to claim 5, it is characterized in that: described condenser is air-cooled condenser, is arranged in the current path of described fan.
7. Household dry cleaning device according to claim 5 is characterized in that: be provided with the button filter at described discharging tube.
8. Household dry cleaning device according to claim 5, it is characterized in that: described condenser pipe branches out a vacuum line, and a vavuum pump is set in described vacuum line, and the other end of described vacuum line is communicated with described solvent liquid reserve tank.
9. Household dry cleaning device according to claim 8 is characterized in that: a vacuum buffer device is set in described vacuum line again.
10. Household dry cleaning device according to claim 1, it is characterized in that: described dry-cleaning apparatus also comprises the solvent purification recovery system, described solvent purification recovery system comprises that described heater is arranged in the described cylindric washer for the heater of solvent evaporation.
11. Household dry cleaning device according to claim 10 is characterized in that: described cylindric washer comprises inner core and urceolus, described heater is arranged between described inner core barrel and the urceolus barrel.
12. a dry-cleaning method is characterized in that, comprises the steps:
In cylindric washer, throw in solvent, carry out the washing of clothing;
Dry and take off liquid, with solvent and clothing initial gross separation, solvent discharge is extremely in the described solvent liquid reserve tank;
Carry hot-air in cylindric washer, make solvent evaporation residual in the cylindric washer, drying clothes is back in the described solvent liquid reserve tank after solvent vapo(u)r process condensation and the water-oil separating simultaneously;
Used solvent is filtered step by step by the multistage filtering recovery system, and the solvent after the filtration is recycled in the solvent liquid reserve tank again and waits to utilize.
13. dry-cleaning method according to claim 12: it is characterized in that: also comprise the step that solvent purification is reclaimed, to be arranged in the cylindric washer for the heater of purifying recovery dry-cleaning solvent, the dry-cleaning solvent of recovery to be purified is thrown in again to cylindric washer, is solvent vapo(u)r through described heater heating evaporation.
14. method according to claim 13 is characterized in that: reclaim after the solvent vapo(u)r process condensation behind the described heating evaporation and the water-oil separating.
15. a dry-cleaning solvent recovery method is characterized in that: used dry-cleaning solvent is filtered step by step by the multistage filtering unit successively, make its standard that reaches cleaning clothes, and then with the solvent recycling that circulates.
16. dry-cleaning solvent recovery method according to claim 15 is characterized in that: described multistage filtering unit comprises centrifugal filter at least, be used for the single filter unit of filtering particle impurity, the cascade filtration unit of the oil removing that is used for dewatering.
17. dry-cleaning solvent recovery method according to claim 16 is characterized in that: described single filter unit is stainless steel cloth or nonwoven fabric or Nomex or PP plastics.
18. dry-cleaning solvent recovery method according to claim 16 is characterized in that: described cascade filtration unit is composed in series by in active carbon filter, activated alumina filter, filtered through silica gel device, silica filter, anhydrous chlorine water calcium filter, molecular sieve, the super absorbent resin one or more.
CN201210056919.3A 2012-03-06 2012-03-06 Family expenses dry-cleaning apparatus, dry-cleaning method and DC naphtha recovery method Active CN103306110B (en)

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CN104652084A (en) * 2013-11-20 2015-05-27 海尔集团技术研发中心 Household dry cleaning machine and control method thereof
CN104894818A (en) * 2014-03-03 2015-09-09 海尔集团技术研发中心 Dry cleaning machine and dry cleaning solvent regeneration method used by dry cleaning machine
CN110541276A (en) * 2019-09-19 2019-12-06 苏州佳瓦智能科技有限公司 Dry-cleaning and washing independent-separated integrated double-drum washing machine
CN111058252A (en) * 2020-01-19 2020-04-24 诸暨潘达纺织科技有限公司 Clothes dry-cleaning device
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CN115433057A (en) * 2022-09-08 2022-12-06 嘉兴学院 Resourceful treatment method for tetrachloroethylene in fur dry-cleaning waste

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CN104652084A (en) * 2013-11-20 2015-05-27 海尔集团技术研发中心 Household dry cleaning machine and control method thereof
CN104894818A (en) * 2014-03-03 2015-09-09 海尔集团技术研发中心 Dry cleaning machine and dry cleaning solvent regeneration method used by dry cleaning machine
CN110541276A (en) * 2019-09-19 2019-12-06 苏州佳瓦智能科技有限公司 Dry-cleaning and washing independent-separated integrated double-drum washing machine
CN111058252A (en) * 2020-01-19 2020-04-24 诸暨潘达纺织科技有限公司 Clothes dry-cleaning device
CN113026310A (en) * 2021-03-01 2021-06-25 李英宏 Dry cleaning machine, dry cleaning solvent purification method and decolorant powder adding method
CN115433057A (en) * 2022-09-08 2022-12-06 嘉兴学院 Resourceful treatment method for tetrachloroethylene in fur dry-cleaning waste
CN115433057B (en) * 2022-09-08 2023-12-22 嘉兴学院 Method for recycling tetrachloroethylene in fur dry-cleaning waste

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