CN103572559A - Dry cleaning method and dry cleaning device - Google Patents
Dry cleaning method and dry cleaning device Download PDFInfo
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- CN103572559A CN103572559A CN201210269239.XA CN201210269239A CN103572559A CN 103572559 A CN103572559 A CN 103572559A CN 201210269239 A CN201210269239 A CN 201210269239A CN 103572559 A CN103572559 A CN 103572559A
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- dry
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F43/00—Dry-cleaning apparatus or methods using volatile solvents
- D06F43/007—Dry cleaning methods
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F43/00—Dry-cleaning apparatus or methods using volatile solvents
- D06F43/08—Associated apparatus for handling and recovering the solvents
- D06F43/081—Reclaiming or recovering the solvent from a mixture of solvent and contaminants, e.g. by distilling
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- Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
Abstract
The invention relates to a dry cleaning method and a dry cleaning device. The dry cleaning method using mixture of lemon oil and water as dry cleaning solvent specifically includes: placing to-be-cleaned objects and the dry cleaning solvent in a cleaning barrel, and soaking the to-be-cleaned objects into the dry cleaning solvent; stirring the to-be-cleaned objects in the dry cleaning solvent for cleaning; separating the to-be-cleaned objects with the dry cleaning solvent. The method has the advantages that the mixture of pure natural environmental friendly plant varsol lemon oil and water is used as the dry cleaning solvent, the lemon oil is nontoxic, pollution-free and environmental friendly and has natural fragrance, the lemon oil mixed water can effectively remove dust and water-soluble stains, the mixture coordinated with detergent builder can effectively remove oil stains and dirt in clothes, the solvent is environment-friendly and safe to use, capable of increasing cleanness, and widely applicable to industrial dry cleaning machines and household dry cleaning machines.
Description
Technical field
The present invention relates to a kind of dry-cleaning solvent of using and clothing is cleaned and dry dry-cleaning method and dry-cleaning apparatus, belong to dry cleaning technology field.
Background technology
The dry-cleaning apparatus that existing use solvent cleans clothing comprises: solvent liquid reserve tank, solvent pump, cleaning-drum, fan, heater, cooling device, distiller, oil water separator, vavuum pump etc.Its dry-cleaning process is roughly: the solvent in solvent tank in pump enters cleaning-drum, is realized the feed liquor washing of solvent through pipeline, after washing, dries de-liquid, and solvent is through flowing to fluid reservoir, realizes the separated of solvent and clothes.During oven dry, fan work, cold wind heater via becomes hot-air and enters in cylinder, hot blast is taken away solvent vapo(u)r by leakage fluid dram, enter the air duct of condenser, vapours is after condenser, and solvent cooling stream is to solvent liquid reserve tank, air is circulating repeatedly constantly in air channel, thereby realize the recovery of solvent while drying.During distillating recovering solvent, waste liquid is pumped out from fluid reservoir, enters in distiller, and in still-process, solvent vapo(u)r is cooled to liquid from gas outlet through stram condenser, through oil water separator, flow to the purification recovery that realizes solvent in liquid reserve tank.
In existing dry-cleaning apparatus, dry-cleaning solvent adopts chlorinated hydrocarbon solvent (as tetrachloro-ethylene) more, hydrocarbon solvent, siloxy group solvent (as the decamethylcyclopentaandoxane of chemical synthesis (D5) solvent), liquid CO 2, several classes such as alcohol ether solvents, the feature of environmental protection that these dry-cleaning solvent exist, all there is some problems in the problem of security and clean aspect, the application of restriction Liao Qi family dry-cleaning.Specific as follows:
1, adopt chlorinated hydrocarbon solvent as the dry cleaner of tetrachloroethylene solvent as dry-cleaning solvent, but tetrachloroethylene solvent exists and is detrimental to health, contaminated environment, polluted underground water, infringement aquatic organism, cause the harm of kinds cancer, therefore many countries have started progressively to eliminate in year at following twenty or thirty this type of dry cleaner.
2, adopt hydrocarbon solvent as the dry cleaner namely what is often called petroleum dry-washer of dry-cleaning solvent, ability of cleaning greasy dirt is not as tetrachloro-ethylene, and water-based spot dirt-removing power is also very poor, flash-point is lower, gasoline taste is large, and secure context existing problems, make user have huge psychological pressure.This kind equipment must be equipped with the fire-proof and explosion-proof functions such as vacuum distillation, nitrogen covering.
3, adopt siloxy group solvent as the dry cleaner of dry-cleaning solvent, degreasing and water-based spot ability are poor, are difficult to wash clean compared with soiled clothes.
4, adopt liquid CO 2 solvent as the dry cleaner of dry-cleaning solvent, must have very high pressure compression arbon dioxide is liquid, and equipment needs high-pressure installation, and machine is huge and have a potential safety hazard.
Summary of the invention
Main purpose of the present invention is to address the above problem and is not enough, and a kind of dry-cleaning method and dry-cleaning apparatus that uses environmental protection, safety, also can improve wash degree is provided.
For achieving the above object, technical scheme of the present invention is:
, comprise the steps:
In cylindric washer, put into washings and dry-cleaning solvent, washings is immersed in described dry-cleaning solvent, described dry-cleaning solvent comprises the mixture of lemon oil and water;
Make described washings stir and wash in described dry-cleaning solvent;
Described washings is separated with described dry-cleaning solvent.
Further, the content of described water is equal to or less than 10%.
Further, the content of described water is 2%-5%.
Further, the content that comprises D-citrene composition in described lemon oil is more than or equal to 95%.
Further, the content of described D-citrene composition is 98%-99%.
Further, in described dry-cleaning solvent, also include washing assisant.
Further, described washing assisant comprises any one or the multiple combination thing in builder, cleaning agent, antistatic additive, surfactant, fabric softener, brightening agent, disinfectant, anti redeposition agent, essence.
Further, described washing assisant accounts for the 0.01%-10% of described dry-cleaning solvent gross weight.
Further, described washing assisant accounts for the 2%-5.5% of described dry-cleaning solvent gross weight.
Further, the weight ratio of described washings and dry-cleaning solvent is 1:5 to 1:15.
Further, the weight ratio of described washings and dry-cleaning solvent is 1:8 to 1:12.
Further, described wash time is 5-20 minute.
Further, by the mode of centrifugation, described washings is separated with described dry-cleaning solvent.
Further, after centrifugation, in described washings, the amount of remaining dry-cleaning solvent is less than 10% of described dry-cleaning solvent gross weight.
Further, after centrifugation, utilize the mode of distillation or filtration to carry out the regeneration purifying recovery of described dry-cleaning solvent.
Another technical scheme of the present invention is:
, in described dry-cleaning apparatus, use the mixture of lemon oil and water as dry-cleaning solvent.
Content to sum up, a kind of dry-cleaning method of the present invention and dry-cleaning apparatus, use department of botany's varsol lemon oil of pure natural environment protection and the mixture of water as dry-cleaning solvent, lemon oil is nontoxic, nuisanceless and free from environmental pollution, there is natural faint scent, more assist in removing dust and water miscible spot with aqueous mixtures, coordinate again washing assisant more can effectively remove oil stain and the dirt in clothing, use environmental protection, safety, also can improve wash degree, make it to be widely used in industrial dry cleaner and family's dry cleaner.
Accompanying drawing explanation
Fig. 1 is the washing flow figure of the embodiment of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment, the present invention is described in further detail:
The roller washing machine of take is below elaborated as example.
As shown in Figure 1, a kind of dry-cleaning method and dry-cleaning apparatus, utilize lemon oil washing washings, washings comprises various textile fabrics, and they comprise multiple natural and synthetic fiber, as cotton, wool, silk, artificial silk, polyester, nylon, acetate, polyolefin, acrylic fibers, spandex and similar blending have the product of this fibrid.Applicable fabric purposes comprises clothes and clothing annex, bedding, and furniture, carpet, wall cloth, curtain, napkin, tablecloth etc., the method also can be dry-cleaned separately the wool fibre for fabric.
Lemon oil is department of botany's hydro carbons dry-cleaning solvent, and its main chemical compositions is D-citrene, and the content of D-citrene composition is more than or equal to 95%, and optimum value is 98%-99%.Lemon oil distills to refine and obtains in oranges and tangerines, shaddock, lemon class fruit peel, in this pericarp, 90% is D-citrene, all the other are alcohol, aldehyde and fat etc., therefore D-citrene has oranges and tangerines (lemon) fruit aroma, and nontoxic, nuisanceless, free from environmental pollution, there is natural faint scent, it does not damage fabric, does not cause shrink.Lemon oil is very strong to the intermiscibility of grease, by cotton yarn, filters, can greasy dirt is separated, and the decontamination of deoiling is very capable, can effectively remove oil stain and dirt in clothing, and reusable.Waste liquid can biodegradation, can not pollute, and expenses of environmental protection is low.
Lemon oil itself is water insoluble, but after mixing with water, more assist in removing dust and water miscible spot in washings, in the present embodiment, the mixture that comprises lemon oil and water for the dry-cleaning solvent of dry-cleaning apparatus, but in dry-cleaning solvent, the content of moisture is difficult for too much, and excess moisture easily causes the shrink of a lot of fabrics (as cotton and wool), in the present embodiment, the content of water is preferably equal to or less than 10%, and optimum value is 2%-5%, and this ratio is weight percentage.For guaranteeing clean result, in dry-cleaning solvent, lemon oil proportion can not be lower than 90%.
The weight ratio of washings and dry-cleaning solvent is 1:5 to 1:15, and wherein, preferred weight ratio is 1:8 to 1:12, and optimum value is 1:10.
Washings is stirred in dry-cleaning solvent, and the wash time of washing is 5-20 minute, and wash time is relevant with the weight of washings and the material of washings.
Adopt that above-mentioned lemon oil and water mixes by a certain percentage mixture as dry-cleaning solvent, at aspects such as clean rate, washing shrinkage, aberration detections, all there is better clean result, this experimentation of tool and experimental data are as follows:
The mensuration of A, clean rate:
Use a kind of standard cotton cloth with 15 kinds of different spots, be made for the stainless steel wire screen cloth of 22 * 22 centimetres, be placed in the stirred vessel of three liters, add 600 grams of solvents.Rotation makes solvent penetrate wire side, 40 revs/min of stirrings of rotating speed 10 minutes.Dried overnight at room temperature after drying.Use APHA color as the clean detection index of spot.The result of total chroma removal rate is presented at table 1.
Table 1
The mensuration of B, clean rate:
By worsted flannel sample cloth (neutral oil content <0.5%; Testfabrics company provides) the upper square pattern (20 * 20 centimetres, measure warp thread and weft direction size) of drawing is immersed in 600g solvent, and 40 revs/min of rotating speeds stir 10 minutes.Take out sample cloth, wet cloth is dried 30 minutes at 50 ℃, then dried overnight at room temperature.By measuring the length variations of warp thread and weft yarn, the then change in size of definite square pattern.
Under every kind of condition, size changing rate (%)=[(A-B)/A] * 100%, wherein A is the size before cleaning, B is the size after cleaning.The result of shrinking test is presented at table 2.
Table 2
The detection of C, aberration, except measuring the method for APHA color, can also be used color difference meter CIE L*a*b*.Light source: D65.Observe
Angle: 10 degree.Mirror-reflection pattern is used in all measurements.
Whitness index (WI):
WI?=?0.01×L*（L*?-5.7?b*）
100=magnesia is white, 0=black.
Table 3
In order further to improve the clean result of dry-cleaning solvent, to remove the various dirts in washings, as remove ink, fat, paint, tar, water-soluble spot, coffee stain and the pitch etc. in washings, in the present embodiment, in dry-cleaning solvent, also optionally dosed various washing assisants, washing assisant can select to dry-clean the conventional washing assisant of industry.Washing assisant comprises any one or the multiple combination thing in builder, cleaning agent, antistatic additive, surfactant, fabric softener, brightening agent, disinfectant, anti redeposition agent, essence.Builder can be selected organic solvent, as glycol ether, and glycol ester class, glycol ether ester, alcohols (fatty alcohol such as ethanol), hydrocarbon, or similar compound and composition thereof.
Above-mentioned washing assisant accounts for the 0.01%-10% of dry-cleaning solvent gross weight, wherein, preferably accounts for 2%-5.5%.
Adopt above-mentioned lemon oil and the mixture of water, then to add appropriate washing assisant, washing assisant be surfactant and builder is composite forms, the weight ratio preparation that accounts for dry-cleaning solvent gross weight by each composition is exemplified below:
Table 4
| Dry-cleaning solvent | A | B | C | D | E |
| Lemon oil | 96 | 94 | 93.5 | 91.8 | 90 |
| Water | 2 | 2.5 | 3 | 3.5 | 5 |
| Surfactant | 2 | 2.8 | 2.5 | 2.7 | 3 |
| Builder | 0 | 0.7 | 1 | 2 | 2 |
Load cloth and dry-cleaning solvent part by weight 1:10, washing is selected 10 minutes, dries 2 minutes, then load cloth and dry-cleaning solvent are dried.After washing finishes, dry-cleaning solvent A, B, C, D, E are all greatly improved to the clean ability of peanut oil, chilli oil, soy sauce, coffee and blueberry juice, to all spots, can reach clean effect, and washings does not exist shrink phenomenon.
Lemon oil can be in any industrial dry cleaner and Domestic dry washing machine as dry-cleaning solvent.
According to shown in Fig. 1, describe the step of this dry-cleaning method in detail below:
The input of step 1, dry-cleaning solvent and washings:
The cylindric washer of dry cleaner is divided into inner barrel of washing and washing urceolus, on the inwall of inner barrel of washing, have several permeable holes, for dry-cleaning solvent, pass, washings is put into the inner barrel of washing of dry cleaner, by solvent pump, the solvent in solvent storage case is fed in washing urceolus, mix with washings the inside that solvent enters inner barrel of washing through the permeable hole of inner barrel of washing, and washings is immersed in solvent.
The weight ratio of washings and dry-cleaning solvent is chosen as 1:10.
The composition of dry-cleaning solvent is preferred: 93.5% lemon oil, 3% water, 2.5% surfactant, 1% builder.
The washing of step 2, washings:
After feed liquor finishes, solvent pump is closed, close related valve simultaneously, by drive unit, drive inner barrel of washing to rotate, the washings stirring of overturning in dry-cleaning solvent, dry-cleaning solvent penetrates in fabric, remove the various spots on fabric, spot comes off and enters in dry-cleaning solvent, and the time that keeps fabric to continue washing in dry-cleaning solvent is 10 minutes, completes the washing of washings.
Step 3, drying and de-liquid:
After washing finishes, open and the liquid valve that washs urceolus, the solvent waste liquid in washing urceolus is through filter, in filter, be filled with absorbent material, to remove the moisture content in solvent waste liquid, solvent waste liquid finally enters in solvent liquid reserve tank, completes the initial gross separation of solvent and washings.
The washings of being cleaned is dried, by the mode of centrifugation, washings is separated with dry-cleaning solvent, the time drying is preferably 1-3 minute, the rotating speed of inner barrel of washing is preferably 400-750rpm, solvent streams after centrifugation is back in solvent liquid reserve tank, after drying, guarantee that in washings, remaining quantity of solvent is no more than 10%.
Step 4, evaporation and oven dry:
To circulation in cylindric washer, carry the hot-air after heating, the temperature of hot-air is greatly between 45-60 ℃, washings in cylindric washer and remaining dry-cleaning solvent are carried out to heating, drying, solvent raffinate is under the effect of hot-air, flash to solvent vapo(u)r, the exhaust outlet of solvent vapo(u)r from washing urceolus discharged, enter cooling device, solvent vapo(u)r is condensed into solvent liquid, enter again oil water separator, solvent liquid in oil water separator is back to for storing in the solvent liquid reserve tank of neat solvent, and the water that oil water separator is separated is drained by drainpipe.
In drying course, can under atmospheric pressure state, carry out, in the present embodiment, preferably, utilize vavuum pump forming section negative pressure in cylindric washer and pipeline, to accelerate oven dry process, shorten drying time.
After drying course finishes, washings is had to a process cooling, this temperature-fall period can adopt nature cooling, also can be by force air being circulated in cylindric washer and pipeline to realization, until the temperature of washings lower than or while approaching body temperature (common people's body temperature is approximately 36.5 ℃), take out again washings, can prevent that like this washings is wrinkling.
Obtaining of hot-air can be by following several modes:
Mode one: heater is set in pipeline, utilizes blower fan, the air after heater heating is transported in cylindric washer.
Mode two: the cooling cycle system that setting is comprised of compressor, restricting element, evaporimeter and condenser in dry cleaner is as the cooling device of solvent vapo(u)r, utilize the evaporimeter in cooling cycle system to carry out condensation liquefaction to solvent vapo(u)r, utilize the gas of the High Temperature High Pressure of compressor discharge to carry out heat exchange with ambient air in condenser simultaneously, and then add hot-air, and the air after heating is delivered in cylindric washer solvent and washings are dried, so not only can simple flow, reduce equipment volume, can also save the energy.
The purifying of step 5, solvent reclaims:
The dry-cleaning solvent some cycles that can be recycled, 20-30 cycle period generally can be recycled, after using dry-cleaning solvent some cycles (purifying that certainly carries out dry-cleaning solvent reclaims and can carry out according to user's needs), need to carry out purifying recycling to dry-cleaning solvent, to thoroughly remove after washing finishes, enter dirt and/or the moisture content in dry-cleaning solvent.
Purifying reclaims and can realize by distiller is set in dry cleaner, or heater is set in solvent liquid reserve tank solvent liquid reserve tank is realized as distiller.Solvent vapo(u)r after heating is by cooling device condensation, condensed solvent liquid, enter oil water separator, the solvent liquid in oil water separator is back to for storing in the solvent liquid reserve tank of neat solvent, and the water that oil water separator is separated is drained by drainpipe.Wherein, cooling device can also utilize the evaporimeter in above-mentioned cooling cycle system to realize.
Purifying reclaims and can also realize by connecting multistage filtering unit at solvent liquid reserve tank, multistage filtering unit is connected in series connection mutually, and multistage filtering unit at least comprises centrifugal filter, for the single filter unit of filtering particle impurity, for the cascade filtration unit of the oil removing that dewaters.Single filter unit adopts stainless steel cloth or nonwoven fabric or Nomex or PP plastic or other material, cascade filtration unit can adopt one or more in active carbon filter, activated alumina filter, filtered through silica gel device, silica filter, anhydrous chlorine water calcium filter, molecular sieve, super absorbent resin to compose in series, with water, oil and other organic matter except in desolventizing.
After purifying reclaims, dry-cleaning solvent is pure lemon oil solvent, now, if need this dry-cleaning solvent of recycling, needs in pure lemon oil, to dose a certain amount of water in proportion.
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 depart from technical solution of the present invention, any simple modification, equivalent variations and the modification above embodiment done according to technical spirit of the present invention, all still belong in the scope of technical solution of the present invention.
Claims (16)
1. a dry-cleaning method, is characterized in that, comprises the steps:
In cylindric washer, put into washings and dry-cleaning solvent, washings is immersed in described dry-cleaning solvent, described dry-cleaning solvent comprises the mixture of lemon oil and water;
Make described washings stir and wash in described dry-cleaning solvent;
Described washings is separated with described dry-cleaning solvent.
2. dry-cleaning method according to claim 1, is characterized in that: the content of described water is equal to or less than 10%.
3. dry-cleaning method according to claim 2, is characterized in that: the content of described water is 2%-5%.
4. according to the dry-cleaning method described in claim 1-3 any one, it is characterized in that: the content that comprises D-citrene composition in described lemon oil is more than or equal to 95%.
5. dry-cleaning method according to claim 4, is characterized in that: the content of described D-citrene composition is 98%-99%.
6. according to the dry-cleaning method described in claim 1-3 any one, it is characterized in that: in described dry-cleaning solvent, also include washing assisant.
7. dry-cleaning method according to claim 6, is characterized in that: described washing assisant comprises any one or the multiple combination thing in builder, cleaning agent, antistatic additive, surfactant, fabric softener, brightening agent, disinfectant, anti redeposition agent, essence.
8. dry-cleaning method according to claim 7, is characterized in that: described washing assisant accounts for the 0.01%-10% of described dry-cleaning solvent gross weight.
9. dry-cleaning method according to claim 8, is characterized in that: described washing assisant accounts for the 2%-5.5% of described dry-cleaning solvent gross weight.
10. according to the dry-cleaning method described in claim 1-3 any one, it is characterized in that: the weight ratio of described washings and dry-cleaning solvent is 1:5 to 1:15.
11. dry-cleaning methods according to claim 10, is characterized in that: the weight ratio of described washings and dry-cleaning solvent is 1:8 to 1:12.
12. according to the dry-cleaning method described in claim 1-3 any one, it is characterized in that: described wash time is 5-20 minute.
13. according to the dry-cleaning method described in claim 1-3 any one, it is characterized in that: the mode by centrifugation is separated with described dry-cleaning solvent by described washings.
14. dry-cleaning methods according to claim 13, is characterized in that: after centrifugation, in described washings, the amount of remaining dry-cleaning solvent is less than 10% of described dry-cleaning solvent gross weight.
15. dry-cleaning methods according to claim 13, is characterized in that: after centrifugation, utilize the mode of distillation or filtration to carry out the regeneration purifying recovery of described dry-cleaning solvent.
16. 1 kinds of dry-cleaning apparatus, is characterized in that: in described dry-cleaning apparatus, use the mixture of lemon oil and water as dry-cleaning solvent.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108532237A (en) * | 2018-05-02 | 2018-09-14 | 浙江喜创联电子商务有限公司 | A kind of curtain dry-cleaning equipment |
| CN110872770A (en) * | 2018-08-31 | 2020-03-10 | 美丰工业有限公司 | Dry cleaning machine, dry cleaning system and dry cleaning method |
| CN111020995A (en) * | 2019-11-22 | 2020-04-17 | 江苏汇布洗涤机械制造有限公司 | Assembly line type dry cleaning equipment |
| CN112410139A (en) * | 2020-12-25 | 2021-02-26 | 唐铁君 | Water-based dry cleaning agent composition and using method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1780956A (en) * | 2003-04-04 | 2006-05-31 | 莱舍染业公司 | Natural aqueous composition and machine for dry-cleaning textiles and leathers |
-
2012
- 2012-07-31 CN CN201210269239.XA patent/CN103572559B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1780956A (en) * | 2003-04-04 | 2006-05-31 | 莱舍染业公司 | Natural aqueous composition and machine for dry-cleaning textiles and leathers |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108532237A (en) * | 2018-05-02 | 2018-09-14 | 浙江喜创联电子商务有限公司 | A kind of curtain dry-cleaning equipment |
| CN108532237B (en) * | 2018-05-02 | 2024-02-13 | 浙江喜创联电子商务有限公司 | Curtain dry cleaning equipment |
| CN110872770A (en) * | 2018-08-31 | 2020-03-10 | 美丰工业有限公司 | Dry cleaning machine, dry cleaning system and dry cleaning method |
| CN111020995A (en) * | 2019-11-22 | 2020-04-17 | 江苏汇布洗涤机械制造有限公司 | Assembly line type dry cleaning equipment |
| CN112410139A (en) * | 2020-12-25 | 2021-02-26 | 唐铁君 | Water-based dry cleaning agent composition and using method thereof |
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