CN104955999A - Unit for dry cleaning textile articles using a composite solvent and for recycling the used composite solvent for re-use - Google Patents
Unit for dry cleaning textile articles using a composite solvent and for recycling the used composite solvent for re-use Download PDFInfo
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- CN104955999A CN104955999A CN201480005689.5A CN201480005689A CN104955999A CN 104955999 A CN104955999 A CN 104955999A CN 201480005689 A CN201480005689 A CN 201480005689A CN 104955999 A CN104955999 A CN 104955999A
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- Prior art keywords
- mixed solvent
- cleaning
- dry
- solvent
- composition
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Classifications
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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
- D06F43/02—Dry-cleaning apparatus or methods using volatile solvents having one rotary cleaning receptacle only
-
- 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
-
- 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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- 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
- D06F43/083—Condensing arrangements
-
- 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
- D06F43/085—Filtering arrangements; Filter cleaning; Filter-aid powder dispensers
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
- D06L1/02—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using organic solvents
- D06L1/10—Regeneration of used chemical baths
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Detergent Compositions (AREA)
- Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
- Processing Of Solid Wastes (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention relates to a unit for dry cleaning textile articles using a composite solvent comprising multiple components, said unit including: a dry cleaning chamber (1) configured to mix the textile articles to be cleaned with the composite solvent during a cleaning cycle; a device (7) for recovering the used composite solvent after a cleaning cycle; a treatment device (8) for removing water and dirt and recycling at least part of the used composite solvent in order to use same in another dry cleaning cycle. The unit is characterized in that it also comprises a re-adjustment device (9) for re-adjusting the composition of the recycled composite solvent, incorporating therein at least the part of the component(s) that was lost in the treatment device (8), said re-adjustment device comprising at least: a buffer tank (10) provided with at least one supply inlet (10a) for the recycled composite solvent, at least one supply inlet (10b) for at least the part of the component(s) of the composite solvent to be introduced into the buffer tank (10) in order to re-adjust the composition of the recycled composite solvent, and at least one outlet (10c) for the re-adjusted and recycled composite solvent, said outlet (10c) being connected to the storage tank (5) for the dry cleaning composite solvent; a storage tank (11) for one or more components of the dry cleaning composite solvent;; and a metering pump (14) for metering the quantity of the component(s) of the composite solvent to be introduced into the buffer tank (10) through the inlet (10b) in order to re-adjust the composition of the recycled composite solvent, said pump being linked upstream to at least one storage tank (11) containing one or more components of the dry cleaning composite solvent.
Description
Technical field
This invention relates to a kind of textiles of mixed solvent that adopts and dry-cleans facility and recycling discarded mixed solvent recvery facility.
In general, the technical field of this invention can be defined as the dry cleaning technology field of clothing, textiles, fabric and similar products, or rather, is the solvent slop recirculating technique field being convenient to recycle.
Background technology
Textiles dry-cleaning flow process, at wash phase with an organic solvent.Described solvent may be single multi-component solvent, such as being divided into by European Union can the perchloroethylene of carcinogenic classification (3 class), this solvent prohibits the use in France at present, or mixed solvent, comprising Multiple components, such as propylene glycol aqueous solution glycol (such as, See U. S. Patent file 6273919 (Hayday, WA), US 7144850 (people such as Galick)); C10-C13 fat hydrocarbon mixture, such as trade name is Chevron
's
solvent; Described composition comprises volatile siloxane and organic surface active agent, and optional composition water (see file US 6521580 people such as () Perry); Or described composition comprises siloxane solvent and/or hydrocarbon solvent, and the synergy synthetic (US2012/0085634 (people such as Douglas)) of composition KB value can be amplified.
Typically, textiles dry-cleaning flow process comprises the steps: that (a) allows needs the liquid solvent in the textiles of cleaning and drying and washing machine to contact, the stirring basket that described drying and washing machine is equipped with cleaning and rotates around horizontal axis; B () allows the textiles speckling with solvent be rotated (alternately rotating-upset), to guarantee to remove the spot that textiles is stained with; C () extracts the spent solvent in basket in the mode of pump purt; D () applies centrifugal force, so that extract the spent solvent of maximum quantity to cleaned textiles; And (e) goes out residual solvent in the mode of evaporating, and inject thermal air current on textiles.
After cleaning cycle flow process, the solvent be recovered to normally by the solvent that various spot was polluted, that is: (i) insoluble spot, such as, after the textile fiber bundle of dust, particle or separation and cleaning, textiles fades thing; And (ii) soluble stains, such as grease, the sweat stain produced of perspiring, dyestuff etc.Recovered solvent similarly often can larger by relative air humidity time water pollutions; and to need in cleaning textiles contained moisture (such as sweat) to pollute, and/or by after textiles pretreatment operation toward in cleaning robot water (such as adopting decontaminated water solution or the prerinse solvent) pollution added.
But, consider for public health and environmental protection angle, and consider the cost of solvent, do not wish to abandon spent solvent.Therefore, usually need to allow spent solvent carry out recycling in same dry-cleaning machine, the mode of distillation especially can be adopted to carry out recycling, thus described solvent can be reused in one or more dry-cleaning new technological process.
Known according to file US2012/0085634 people such as () Douglas, adopt the flow process that the synthetic be made up of dry cleaning agent is dry-cleaned textiles, comprise and use siloxane solvent, varsol or its mixture and synergy synthetic; Described synergy synthetic can increase the KB value of described synthetic.Described flow process comprises the mode of distilling equally and carries out recirculation to discarded cleaning synthetic, thus reaches the object of recycling.But, first time atmospheric pressure distillation (temperature is more than 100 DEG C) is implemented in described requirements of process, flow process not only expends the energy but also consuming time especially, during this period, need to dispose water, azeotropic mixture and other volatility synthetics, and then carry out second time step-down distillation (temperature is about 150 DEG C), during this period, need to reclaim dry cleaning agent and synergy synthetic, and again imported in storage container, so that recycle.This flow process is difficult to carry out recirculation flow process, thus reaches the object recycled mixed solvent; Its composition is easily impaired or be hydrolyzed under described temperature conditions, or each composition self and/or form various azeotropic mixture together with water, thus is difficult to distill in dry cleaner, and allows the distillation flow process in dry cleaner become comparatively complicated.
Therefore, in view of the foregoing, the present invention aims to provide a kind of flow process, and a kind of facility adopting the mixed solvent containing Multiple components to dry-clean textiles, so that spent solvent can be allowed in a satisfactory manner to realize regeneration, thus second time use can be carried out.
The object of this invention is also, provides the described flow process of walk away safety and described facility, can with various mixed solvent with the use of.
Summary of the invention
The solution proposed by the present invention is a kind of textiles dry-cleaning facility using mixed solvent; Described solvent contains Multiple components; Described facility comprises:
-dry-cleaning chamber, is configured in cleaning process, adopts mixed solvent to treat dry-cleaning textiles and mixes;
-device, for the discarded mixed solvent produced after reclaiming clean flow process;
-treating apparatus, for except anhydrating and spot, and at least reclaims the discarded mixed solvent of a part, uses discarded mixed solvent so that can dry-clean in flow process at other.
The notable feature of described facility is, it comprises a bascule more in addition, for allowing the mixed solvent composition of recycling again reach balance, and in facility, adds the composition lost in treating apparatus at least partially; Described bascule again, its composition at least comprises:
-buffer container, described container is equipped with at least one recirculation mixed solvent supply entrance, at least one mixed solvent component portion supply entrance, for mixed solvent being imported in described buffer container, thus allow the mixed solvent composition of recycling again reach balance, and at least one recirculation and balance again mixed solvent outlet; This outlet is connected with dry-cleaning mixed solvent reservoir vessel;
-storage container, for depositing one or more dry-cleaning mixed solvent compositions; And
One or more mixed solvent compositions, for by described entrance, are imported in described buffer container, thus allow the mixed solvent composition of recycling again reach balance by-measuring pump; This pump is at least connected with storage container on top; Described storage container is built with one or more dry-cleaning mixed solvent compositions.
The advantage of this invention is, this facility can use various dry-cleaning solvent commercially available at present, especially following solvent can be used: between its each composition self and/or form various azeotropic mixture together with water, thus be difficult to distill in dry cleaner, and the distillation flow process in dry cleaner is allowed to become comparatively complicated.Being also advantageous in that of facility described in this invention, can in an optimized fashion, recycle the mixed solvent of recycling.In fact, because there is equilibrium stage again, the composition or fractions that lose in handling process and/or recirculation flow process in the mixed solvent of recycle, can be found; Give an example, handling process can first be filtered, and then carries out Conventional espresso, preferred vacuum distillation, then carries out clarifying or cut distillation, preferred vacuum distillation.
Other preferred features described in this invention are listed hereinafter; Each in these features all should give consideration separately or combination consideration, and its notable feature is defined as follows:
Preferably, bascule is provided with analyzer again, the composition of described recirculation mixed solvent can be analyzed, to determine to need the quantity from being equipped with the mixed solvent composition extracted in the reservoir vessel of one or more dry-cleaning mixed solvents, and to determine the quantity needing the mixed solvent composition imported in " buffering " container.
Especially, cleaning chamber is provided with boring cylinder, for placing the textiles that need clean; Described boring cylinder is arranged in described chamber in a rotative pattern; Have in described chamber:
-opening, for needing dry-cleaning textiles to put into boring cylinder; Door or fenestella can be adopted to close this opening;
-the hole that is connected with mixed solvent feed conduit; Described conduit is placed in reservoir vessel.
-the hole that is connected with retracting device.
According to embodiment, discarded mixed solvent treating apparatus, at least comprises the filter that an energy filters insoluble spot contained in described discarded mixed solvent, and a cut distilling apparatus; Described treating apparatus comprises:
-for removing the outlet of overhead fraction F1, described cut is proportion and p/p in discarded mixed solvent
discarded mixing solventbe at least 15%, wherein at least comprise water, and one or more azeotropic mixtures being become to be grouped into by water and one or more mixed solvents; And
-for carrying out the outlet of midbarrel F2 recirculation; Described cut is proportion and p/p in discarded mixed solvent
discarded mixed solventmore than 75%, comprising dry-cleaning mixed solvent, and deduction falls its weight at least partially that is a kind of or Multiple components; After recirculation flow process, described midbarrel F2 is imported in buffer container.
The details favourable according to another, cut distilling apparatus arranges collection container, be configured for and be first used for depositing described overhead fraction before overhead fraction F1 is entered discharging container, be then secondly used for depositing midbarrel before midbarrel F2 is entered buffer container; Described collection container:
-there is extraction point bottom it, by this point, overhead fraction F1 and midbarrel F2 can be entered in its respective container; And
-this collection container is provided with analyzer, for analyzing physics and/or the chemical feature of overhead fraction F1 or midbarrel F2, to determine the quantity needing the mixed solvent composition imported in buffer container.
-preferably, be specifically designed to the discharging container of splendid attire overhead fraction F1, comprising the conduit be connected with injection device; Described injection device, can after N number of cleaning cycle flow process, described F1 cut is injected in cut distilling apparatus, so that therefrom isolate at least two kinds of cuts: need the overhead fraction F'1 removed, and need the cut F'2 of interpolation, before recirculation mixed solvent reaches again balance, need cut F'2 to add in the midbarrel F2 that collects after N number of cleaning cycle flow process.
Further preferably, according to needing the dry-cleaning mixed solvent putting into facility described in this invention, at least comprise:
-40% to 80%p/p
mixed solventdipropylene glycol monomethyl ether;
-5% to 40%p/p
mixed solventhydrophilic solvent A; This solvent meets following formula requirement: R-(O-C3H6) n-OH (I); Wherein n is the integer equaling 1 or 2, and R is C3 or C4 alkyl group;
-10% to 40%p/p
mixed solventdibasic acid ester B; This dibasic acid ester B selects from group; This group comprises dimethyl succinate, dimethyl glutarate, dimethyl adipate and composition thereof; And
-0% to 10%p/p
mixed solventcomplementary element.
Accompanying drawing explanation
Other advantages of this invention and feature occur in the description content of preferred embodiments; This describes in content and will provide with reference to accompanying drawing with reference and nonrestrictive mode, wherein relates to:
-Fig. 1 is the facility schematic diagram meeting this invention requirement.
-Fig. 2 is the alternative schematic diagram meeting this invention requirement.
Detailed description of the invention
The result that this invention finds based on following test: compare with the first mixed solvent used, the discarded mixed solvent be recovered to after textiles first cleaning cycle flow process, especially to distill the solvent of mode recirculation, and in new circulation process, carry out the solvent that recycles, removing the poor effect in hydrophilic spot and/or hydrophobic spot.The situation that this performance reduces can be interpreted as, and when carrying out recirculation operation, especially going up when operating in distillation mode, having lost one or more compositions in mixed solvent, and partition losses falling one or more compositions.Described composition loss or fractions loss, can cause the composition of recirculation solvent to change, thus allow dry-cleaning cleannes that significant change occurs.Applicant has adopted the method that with the addition of at least part of composition lost in recirculation operation process in this solvent, solves the problem of the performance reduction that recirculation mixed solvent reveals.
In this article, term:
-" mixed solvent ", at least containing two kinds of compositions played a major role in solvent, obtains dry-cleaning cleannes to make textiles.
-" dry-cleaning ", refers to and mixed solvent is used for the cleaning operation of alternative water as solution or cleaning solution.
-" textiles ", refer to that individual or professional person's (such as various industry, hotel industry etc.) carry out the object cleaned, described object adopts the natural fabric of such as cotton, wool, fiber crops, silk or other materials and so on to make, and/or adopts the synthetic fiber of such as nylon, polyamide, acrylic acid, polyester, acetic acid esters, viscose glue or other materials and so on to make.The example of textiles comprises shirt, trousers, sweater, overcoat, overcoat, tablecloth, woollen blanket, sheet, towel, cotton-wadded quilt, leather wear, chamois leather etc.
-" spot ", is soluble in the hydrophily in mixed solvent or hydrophobic spot, and insoluble spot, and such as, after the textile fiber bundle of dust, particle or separation and cleaning, textiles fades thing or other article.
-" hydrophobic spot ", refers to the dirt that can pollute textiles, typically comprises organic substance or organic material; Described material or material do not have hydrophily, and water insoluble.Give an example, " hydrophobic spot " includes but are not limited to: lubricating grease, machine oil, mayonnaise, mustard, health grease, tar spot or engine wet goods.
-" hydrophilic spot ", refers to the spot polluting textiles, wherein mainly has certain hydrophily and all or part of water-soluble organic substance of energy or inorganic substances.Give an example, " hydrophilic spot " includes but are not limited to the body fluid of such as sweat, blood, urine etc. and so on, and the spot that water-soluble food produces, such as sugaring, salt marsh, chocolate stain, fruit juice stain, tea stain, coffee stain etc.
-according to this invention, " major part " can be understood as mixed solvent used in textiles dry cleaning processes
initially composition, wherein need to deduct at least one that loses in handling process and recirculation flow process at discarded mixed solvent or the wt part shared by multiple mixed solvent composition.
If no special instructions, percentage hereinafter used, concentration and ratio all draw " p/p compared with mixture overall weight
mixed solvent" represent.
textiles is dry-cleaned and is discarded mixed solvent recirculation flow process
First this invention relates to a kind of textiles of mixed solvent that adopts and dry-cleans facility and recycling discarded mixed solvent recvery facility.Preferably, this flow process comprises:
A) cleaning cycle flow process, allows and needs the textiles of cleaning and mixed solvent to contact;
B) after cleaning cycle flow process, the discarded mixed solvent polluted by water and spot is reclaimed;
C) discarded mixed solvent is processed, at least to dispose water and spot;
D) at least to step c) the part mixed solvent that processed carries out recirculation, thus can use in other cleaning cycle flow processs;
E) allow the recirculation mixed solvent composition in step d) again reach balance, and be at least added in step c in this composition) and/or steps d) at least part of composition of mixed solvent of losing.
Give an example, in mixed solvent, comprise some compositions, and may be used for dry-cleaning the textiles described in this invention; Can illustrate, mixed solvent S at least comprises:
-dipropylene glycol methyl ether (DPM);
-hydrophilic solvent A, meets following formula requirement: R-(O-C3H6) n-OH (I); Wherein n is the integer equaling 1 or 2, and R is C3 or C4 alkyl group; And
-dibasic acid ester the B that selects from group; Described group comprises dimethyl succinate, dimethyl glutarate, dimethyl adipate and composition thereof.
Nearest applicant debugs this mixed solvent S; Debug results shows, this solvent has extremely strong except hydrophobic spot (especially grease class spot) performance, but can dispose the hydrophilic stains (organic substance or Inorganic water-soluble spot) that textiles may occur equally.Applicant can prove equally, and by changing the ratio of three kinds of main components, this type of mixed solvent goes for all kinds of spot (hydrophobic stains or hydrophilic stains) and all kinds ofly needs dry-cleaning textiles; Three kinds of main components are namely: dipropylene glycol monomethyl ether, hydrophilic solvent A and dibasic acid ester B.Applicant also notices, described mixed solvent also has the advantage that the liquid spot extracted during dry-cleaning or solid-state spot can be remained in solution or suspension, to avoid its accumulation on the textile again.
Preferably, described mixed solvent S may be used for alternative perchloroethylene (PERC); Perchloroethylene is divided into by European Union can carcinogenic classification (3 class), and forbids using perchloroethylene in dry cleaner in France at present.
Applicant can confirm equally, adopts mixed solvent S can obtain best dry-cleaning effect; Described solvent comprises: (i) dipropylene glycol monomethyl ether (DPM), propyleneglycol monobutyl ester (PnB) and dibasic acid ester DBE; (ii) dipropylene glycol methyl ether (DPM), dipropylene glycol mono butyl ester (DPnB) and dibasic acid ester DBE; Or (iii) dipropylene glycol monomethyl ether (DPM), the dipropylene glycol list tert-butyl ester (DPtB) and dibasic acid ester DBE; Or (iv) dipropylene glycol methyl ether (DPM), dipropylene glycol mono butyl ester (DPnB), dipropylene glycol list propyl ester (DPnP) and dibasic acid ester DBE; Or (v) dipropylene glycol methyl ether (DPM), dipropylene glycol mono butyl ester (DPnB), propyleneglycol monobutyl ester (PnB) and dibasic acid ester DBE.
Remarks: according to the preferred dibasic acid ester of this invention (DBE), the name of selling for Rhodia company is called
the dibasic acid ester of RPDE.
Beneficially, described mixed solvent S (or its mixed solvent) comprises in addition, various adding ingredients conventional in dry-cleaning field.Give an example, required adding ingredient can be selected from antioxidant, disinfectant, spices and composition thereof.In the synthetic described in foundation this invention, the quantity of adding ingredient can be p/p
syntheticequal 0.001% to 10%, and substantially can not affect its advantage performance.
About antioxidant (or stabilizing agent), give an example, can be 2,6-di-t-butyl-p-methyl phenol (BHT), 2-tertiary butyl-4-hydroxy methyl phenyl ethers anisole (2-BHA) and 3-t-Butyl-4-hydroxyanisole (3-BHA) or its mixture.The function of this type of antioxidant is, the peroxide that may be formed preventing or reduce or postpone.
For disinfectant, give an example, can be quaternary ammonium salt, aldehyde, amphyl, halogen compounds (such as iodine), alcohol or other products.The effect of this type of disinfectant is, can carry out disinfection to needing cleaning textiles, especially may be used for carrying out disinfection to household textiles, medical science textiles or beast medical textile.In addition, described disinfectant can also carry out disinfection to dry-cleaning dedicated chamber.
According to the mixed solvent S preferably used in the textiles dry-cleaning flow process described in this invention, comprising:
-40% to 80%p/p
mixed solventdipropylene glycol monomethyl ether;
The hydrophilic solvent A of-5% to 40%; This solvent meets following formula requirement: R-(O-C3H6) n-OH (I); Wherein n is the integer equaling 1 or 2, and R is C3 or C4 alkyl group;
-10% to 40%p/p
mixed solventdibasic acid ester B; This dibasic acid ester B selects from group; This group comprises dimethyl succinate, dimethyl glutarate, dimethyl adipate and composition thereof; And
-0% to 10%p/p
mixed solventcomplementary element.
Described mixed solvent S is also advantageous in that, can adopt the various mixed methods that insider is familiar with, adopt nontoxic, be easy to biodegradation, and one-tenth cheap and commercially on sale assigns to prepare described solvent.Beneficially, described solvent is water white liquid, can be encapsulated into for depositing in the various containers of liquid, in the storage container of such as steel storage container or such as polyethylene and polypropylene and so on plastic material under anhydrous state.
But applicant observes, use in aqueous solvent form and contain p/p
mixed solvent sduring water more than 8%, best dry-cleaning effect can not be reached.
The step of flow process described in foundation this invention a), implement by the various dry-cleaning methods that insider can be adopted to know.In general, textiles can: i) put into (insider knows) drying and washing machine, give an example, in described machine, comprise sealed chamber, be equipped with boring cylinder, and be connected with solvent circuit; Solvent recycling apparatus is comprised in described loop; Ii) contact with mixed solvent, such as, contact with solvent in the mode of soaking; Iii) along with rotary motion (alternately rotating-upset) progress stirs mixed solvent, so that divide the spot taken off and pollute textiles; Iv) dewater in centrifugal mode, so that extract the spent solvent of maximum quantity, then carry out drying; And v) dispose residual solvent, such as on textiles, inject thermal air current.
In fact, according to mixed solvent used and can need clean textiles type, implement when temperature is 15 to 60 DEG C to stir flow process iii).This stirring iii) operation can repeated several times, such as repeats twice.At drying process v) period the hot-air that sprays, according to along with mixed solvent used and the difference needing cleaning textiles, temperature higher than 40 DEG C, between being preferably 60 DEG C to 80 DEG C.
After cleaning cycle flow process, the textiles having disposed spot and discarded mixed solvent can be obtained.
In fact, step b) in recovery to discarded mixed solvent, on the one hand can at dehydration iv) in obtain in the mode of pump purt, on the other hand, can also with cool drying step v) mode of steam that produces obtains.
In general, the solvent be recovered to normally by the solvent that various spot was polluted, that is: (i) insoluble dirt, such as, after the fabric fibre bundle of dust, particle or separation and cleaning, fabric fades thing; And (ii) solubility is hydrophilic or hydrophobic spot, sweat stain of such as grease, generation of perspiring etc.In this stage; the discarded mixed solvent reclaimed similarly often can larger by relative air humidity time contained water pollutions; and to need in cleaning textiles contained moisture (such as sweat) to pollute, and by after textiles pretreatment operation toward in cleaning robot water (such as adopting decontaminated water solution or the prerinse solvent) pollution added.
Give an example, (as previously mentioned) applicant carries out the preferred mixed solvent S debugged, in this stage to I haven't seen you for ages by p/p
mixed solvent sbe the water pollutions of 0.5%, especially by content p/p
mixed solvent swater pollutions more than 5%, and polluted by insoluble spot and soluble stains.
The step c of flow process described in this invention), its object is to step b) the discarded mixed solvent that reclaims purifies, and at least remove water and spot.
In a preferred embodiment, the filter plant selected from the unit be made up of button-type (or safety pin type) filter, charcoal filter and combination unit thereof can be adopted, remove insoluble spot.This filter operation runs through whole cleaning cycle flow process from the beginning to the end.Discarded mixed solvent good after filtration, needs to carry out cut distillation.This cut distills, and preferably under low pressure carries out, so that the available removing overhead fraction F1 of one side, can collect midbarrel F2 on the other hand.
Overhead fraction F1 is proportion and p/p in discarded mixed solvent
discarded mixed solventbe at least 15%, wherein at least comprise water, and one or more azeotropic mixtures being become to be grouped into by water and one or more mixed solvents.Overhead fraction F1 can comprise one or more compositions or part distillation mixed solvent composition equally simultaneously, and containing water, and azeotropic mixture can not be formed together with water.
Remarks: term " p/p
discarded mixed solvent" refer to, the percentage that the spent solvent carrying out calculating in cut distillation processing procedure is shared in middle total amount.
Midbarrel F2 is proportion and p/p in discarded mixed solvent
discarded mixed solventmore than 75%, preferably comprising dry-cleaning mixed solvent, and deduction falls its weight at least partially that is a kind of or Multiple components; Such as, described part can be removed together with overhead fraction F1, and and/or, described part is depleted in following distillation tower bottom distillate.
Consider for security standpoint, generally, distillation tower bottom distillate is not reclaimed.Described cut can be extracted from distilling apparatus, and transfer in storage tank, so that process further.Soluble spot and/or solvable spot may be comprised in this tower bottom distillate.Therefore also may comprise one or more compositions of other part mixed solvents of some in described cut, even comprise one or more compositions of mixed solvent, even if when under low pressure boiling point is too high; Described composition such as dry-cleans antioxidant, disinfectant and the surfactant that may comprise in mixed solvent.
During specially for step cleaning cycle flow process a), or while cleaning cycle flow process, preferably, after cut distillation, treatment step c can be implemented with filter type).
Give an example, at the preferred mixed solvent S that (as previously mentioned) applicant is debugged, by p/p
the discarded mixing of water is molten agentwhen S is the water pollutions of 5%:
-in step c) with the overhead fraction F1 that removes of cut distillation mode, in temperature lower than 82 DEG C and pressure carries out distilling (or be 20 to 121 DEG C in temperature, pressure is distill in 267 millibars of situations) under being 65 millibars of situations; At least comprise the monomethyl ether of water, dipropylene glycol in described cut, also comprise the hydrophilic solvent A':R'-O-C3H6-OH (I') meeting following formula requirement if desired, wherein R ' is C3 or C4 alkyl group.In addition, this overhead fraction F1 also may comprise < 20%p/p
overhead fraction f1dibasic acid ester cut; This cut changes along with the condition change selected by cut distillation.In described cut, in discarded mixed solvent S, proportion is 15%p/p
discarded mixed solvents
And,
-can by step b) collect midbarrel F2 in the mode of cut distillation, and in temperature higher than 83 DEG C, preferably 83 to 140 DEG C and the condition that pressure is 65 millibars get off to distill.Described midbarrel F2, in discarded mixing synthetic, proportion is more than 75%p/p
discarded mixing synthetic S, preferably, proportion is more than 95%.
Give an example, hydrophilic solvent A' can be MPG n-butyl ether, propylene glycol list tertbutyl ether, the propylene glycol list tert-butyl ester, single isobutyl ether propylene glycol propyl ether, propylene glycol isopropyl ether and composition thereof.
Therefore, from step c) then comprise, with the composition that mixed solvent used in dry-cleaning is different the midbarrel F2 that obtains.For ease of this cut F2 can be used in new textiles cleaning cycle flow process, its composition must be again allowed to reach balance.
In fact, midbarrel F2 (or recirculation mixed solvent) can be transferred in spareslots from treatment facility; In described groove, its composition needs to supplement, and wherein at least needs to be added on step c) in the composition of moiety by weight that loses.
Give an example, when adopting preferred mixed solvent S, need the part of adding toward recirculation mixed solvent composition (midbarrel 2 herein for obtaining after steps d), at least comprise dipropylene glycol monomethyl ether, and comprise one or more hydrophilic solvents A:R-(O-C 3H6) n-OH (I) of how as follows formula requirement if desired; Wherein n is the integer equaling 1 or 2, and R is C3 or C4 alkyl group.Need the part of adding in recirculation mixed solvent composition, comprise one or more dibasic acid esters B in addition, and/one or more adding ingredients.
Step c above) to the handling process described in e) and recirculation flow process, can all automatically carry out, also can carry out during textiles dry-cleaning, or dry-clean flow process with textiles and carry out simultaneously.
When the mode of distilling with cut processes mixed solvent, can effectively again to the overhead fraction F1 process of getting rid of in cut still-process, like this, the available volume reducing solvent discarded object to greatest extent on the one hand, on the other hand, cut can be treated distill selective disappearance and compensate.At this point, this invention suggestion is reclaimed overhead fraction F1 after N number of cleaning cycle flow process, and is carried out cut distillation.Typically, in the distillation of the second cut, overhead fraction F'1 can be disposed, reclaim cut F'2; Described cut F'2, can at equilibrium step e again) before, in the midbarrel F2 collected after adding N number of cleaning cycle flow process.In general, the overhead fraction F'1 disposed in second cut distilation steps, its main component is water.After having reclaimed the overhead fraction F1 disposed, by professional person, according to the composition of mixed solvent used and the alternative of cut distillation, cleaning cycle flow process times N can be determined.Lift a not limiting example, for for the preferred mixed solvent S described in this invention, the overhead fraction F1 reclaimed, after the N number of cleaning cycle flow process in interval, can process in the mode of cut distillation again; Such as, every 10 to 50 cleaning cycle flow processs, preferably, every 20 to 30 cleaning cycle flow processs.In the case, contained in cut F'1 main component is water (> 50%p/p cut
n); Described cut can temperature lower than 100 DEG C and pressure distill under being the condition of 200 millibars; Add the cut F'2 in cut F2, then distill lower than when 70 millibars at pressure.
textiles is dry-cleaned and is discarded mixed solvent reclamation plant.
Accompanying drawing 1 and accompanying drawing 2, according to two kinds of preferred embodiments, set forth the hoc scenario according to facility described in this invention with schematic diagram.Described facility at least comprises dry-cleaning chamber (1), is configured in cleaning process, mixed solvent is mixed with dry-cleaning textiles; A container (5), for depositing clean mixed solvent; A discarded mixed solvent treating apparatus (8), for realizing the recirculation of at least part of described solvent; And recirculation mixed solvent composition bascule (9) again.Give an example, under the cleaning textiles capacity that clean facilities is predetermined is 12 to 14kg situation, the capacity of container (5) is 120 liters.
Boring cylinder (2), stainless steel, for placing the textiles that need clean; Described cylinder is arranged in cleaning chamber (1) in a rotative pattern.Typically, described cylinder (2) is stainless steel, and capacity is 200L to 1500L, can place the textiles that 9 to 70kg need dry-clean.Give an example, when carrying out washing and cleaning operation, the rotary speed of cylinder can change between 1 rev/min to hundreds of revs/min, and preferably, rotary speed is 300 to 600 revs/min; Further preferably, rotary speed is 400 to 500 revs/min.
In addition, cleaning chamber (1) has sealing, at least has an opening (20), for will cleaning textiles be needed to be placed in boring cylinder (2); Described opening (20) can adopt door or fenestella to close (airtight) this opening; A hole (3), is connected with clean mixed solvent feed conduit (4); Described clean mixed solvent is placed in reservoir vessel (5); And a hole (6), be connected with recovery conduit (7); The discarded mixed solvent that described device produces after being used for recovery and rinsing circulation process.
In general, feed conduit (4) at least needs to be equipped with following equipment (not pointing out in Fig. 1):
-feed pump, will leave in mixed solvent input cleaning chamber (1) in container (5);
-firing equipment, such as heat exchanger, for increasing the temperature of mixed solvent, thus can clean textiles under the condition of temperature higher than room temperature, such as, temperature can be 25 to 50 DEG C;
The equipment of-such as ventilation blower and so on, for being inputted in cleaning chamber (1) by thermal air current (its temperature is heated to above 40 DEG C, preferably 65 to 75 DEG C), thus can dry cleaned textiles.
After cleaning cycle flow process, discarded mixed solvent can discharge by reclaiming conduit (7).In general, described conduit at least needs to be equipped with:
The exhaust-valve (figure does not point out) that-employing control device controls;
-corresponding emptying pump (figure does not point out), on the one hand, can extract discarded mixed solvent out, can extract remaining evaporation and condensation mixed solvent out if desired by dry-cleaning chamber (1); On the other hand, can be transported in treating apparatus (8), thus at least can realize part recirculation.
According to preferred embodiment, treating apparatus (8) can configure the filter (12) of such as button-type (or safety pin type) filter, active carbon filter or its combination unit and so on, for clarifying discarded mixed solvent, especially soluble spot can be removed; Described treating apparatus can be equipped with cut distilling apparatus (13), and after distilling apparatus runs, can dispose overhead fraction F1 on the one hand, described cut is proportion and p/p in discarded mixed solvent
discarded mixed solventbe at least 15%, and wherein at least comprise water, and one or more azeotropic mixtures being become to be grouped into by water and one or more mixed solvents; On the other hand, can reclaim midbarrel F2, described cut is at discarded mixed solvent proportion and p/p
discarded mixed solventmore than 75%, and comprising dry-cleaning mixed solvent, and deduction fall its weight at least partially that is a kind of or Multiple components, described part is at treatment step c) in be depleted.
Cut distilling apparatus (13) at least comprises following equipment (not pointing out in Fig. 1): distillation column, and bottom configuration ebullator, top configures the condenser be connected with vavuum pump.Can discard mixed solvent by conduit (12a) to described ebullator supply, ebullator function is at least evaporation section to discard mixed solvent.The operating condition of described ebullator is usual operating conditions, and can change along with needing to adopt the cut way of distillation to carry out the situation of the discarded mixed solvent processed; The described way of distillation can be applied with constant pressure in uniform temperature gradient scope; Or be applied in certain pressure and temperature gradient scope.
Give an example, for preferred mixed solvent S (see above), the temperature in ebullator can keep below 250 DEG C always, give an example, temperature value can between 25 to 180 DEG C, preferably 120 to 160 DEG C, the Pressure Drop to 65 born millibar.
Cut distilling apparatus (13) at least has one first outlet, for overhead fraction F1 being entered (or fluid container) (30) in discharging container along arrow F1, so that can be further processed, thus recycle; One second outlet, for reclaiming the midbarrel F2 be transported to by conduit (7a) in buffer container (10) along arrow F2; In described container, should be able to realize again balancing, thus described cut can be used in other cleaning cycle flow processs.Give an example, under the cleaning textiles capacity that clean facilities is predetermined is 12 to 14kg situation, the capacity of buffer container (10) may be 60 liters.
Preferred alternative according to this invention, is specifically designed to the discharging container (30) of splendid attire overhead fraction F1, comprising the conduit (300) be connected with injection device (301); Described injection device, can after N number of cleaning cycle flow process, described F1 cut is injected in cut distilling apparatus (13), so that therefrom isolate at least two kinds of cuts: need the overhead fraction F'1 removed, and need the cut F'2 of interpolation, equilibrium step e is again carried out at recirculation mixed solvent) before, need cut F'2 to add in the midbarrel F2 that collects after N number of cleaning cycle flow process.
Or rather, recirculation mixed solvent composition again bascule (9) at least comprise:
-buffer container (10), be equipped with at least one recirculation mixed solvent (midbarrel F2) and supply entrance (10a), at least one mixed solvent component portion supply entrance (10b), for by weight mixed solvent being imported in described buffer container (10), thus allow the mixed solvent composition of recycling (or midbarrel F2) again reach balance, and at least one recirculation and balance again mixed solvent outlet (10c); This outlet (10c) is connected with dry-cleaning mixed solvent reservoir vessel (5);
-measuring pump (14), for passing through described entrance (10b), import in described buffer container (10) by one or more mixed solvent compositions of some (presetting), this pump is connected with at least one storage container (11) on top; Described storage container is built with one or more dry-cleaning mixed solvent compositions.Give an example, under the cleaning textiles capacity that clean facilities is predetermined is 12 to 14kg situation, the capacity of container (11) is 20 liters.
Bascule (9) can be that buffer container (10) is equipped with specialized analyzer (15) again, so that can analyze the physics of recirculation mixed solvent and/or chemical feature, thus determine the quantity needing the mixed solvent composition imported in this buffer container (10).Give an example, analyzer (15) can comprise weight detector, liquid level detector, ultraviolet, visible ray or infrared ray (IR) spectrometer, refractometer; Or in addition, described analyzer (15) be integrated with processor and be connected with the information server of memory; In described memory, record one or more information programme.The instruction implemented by processor is integrated with, so that hereafter defined function can be implemented in described program.These data for analyzing physics and/or the chemical feature of recirculation mixed solvent, and are transferred in server by analyzer (15).The feature that recirculation mixed solvent contained in buffer container (10) is determined by server, and the feature of clean dry-cleaning mixed solvent compares.Thus the quantity needing to extract in reservoir vessel (11) can be determined, and need to import the quantity in buffer container (10).Corresponding instruction condition is then transferred in measuring pump (14) by analyzer (15).
Other alternatives (Fig. 2) according to this invention, cut distilling apparatus (13) has collection container (31), be configured for and first deposit described overhead fraction being entered before discharging container (30) along arrow F1 by overhead fraction F1, then come to deposit midbarrel midbarrel F2 is entered buffer container (10) along arrow F2.
Collection container (31) has extraction point (31a) bottom it, by this point, overhead fraction F1 and midbarrel F2 can be entered in its respective container.According to this alternative, collection container (31) is provided with analyzer (15a), for analyzing draining into physics and/or the chemical feature of overhead fraction F1 or midbarrel F2 before in described collection container (31), to determine the quantity needing the mixed solvent composition imported in buffer container (10).Analyzer (15) and Such analysis instrument (15) are same type.According to this alternative, buffer container (10) can arrange analyzer (15a) (optional equipment does not give elaboration) equally.According to other alternatives (not giving elaboration), only have buffer container (10) that analyzer (15a) could be set.
Particularly preferably, dry-clean mixed solvent at least to comprise:
-40% to 80%p/p
mixed solventdipropylene glycol monomethyl ether;
-5% to 40%p/p
mixed solventhydrophilic solvent A; This solvent meets following formula requirement: R-(O-C3H6) n-OH (I); Wherein n is for equaling 1 or 2 integers, and R is C3 or C4 alkyl group;
-10% to 40%p/p
mixed solventdibasic acid ester B; This dibasic acid ester B selects from group; This group comprises dimethyl succinate, dimethyl glutarate, dimethyl adipate and composition thereof; And
-0% to 10%p/p
mixed solventcomplementary element.
Giving an example, be configured with the various pumps of facility described in this invention, can be centrifugal pump, peristaltic pump or turbulence pump.And the various conduits of facility all should configure valve; Its layout should be convenient to allow fluid flow in the correct way.These different pumps and different valves all can control separately, thus ensure that the facility described in this invention can run in an optimized fashion.
Preferably, according to described in this invention be set to half industrialization facility (for hospital, hotel etc.) or for laundromat, or domestic installations.
Remarks:
Mixed solvent (diethylene glycol monomethyl ether, hydrophilic solvent A and hydrophilic solvent A') described in this description embodiment can exist with position isomer, optical isomer or its mode combined.
The term "and/or" that some paragraph is used in this manual, comprise and or the meaning, and the combination of other meanings that may have with this term relevant factor looks like.
In fact, only otherwise depart from the framework of this invention, various improvement can be carried out to clean facilities, and produce various alternative.Therefore:
-treating apparatus, especially distilling apparatus, can be arranged in clean facilities, if desired, can be connected with one or more clean facilities.
The ebullator of-distilling apparatus, can arrange extraction point in bottom, by this point, can reclaim the heavy cut be not distilled, thus be further processed.
Embodiment
Embodiment 1-
preferred dry-cleaning mixed solvent
The various ways that insider knows can be adopted, use the various one-tenth of specifying in following table to assign to prepare the preferred mixed solvent 1 to 6 according to described in this invention.
Dibasic acid ester DBE used in embodiment 1 to 6 is
company sells
rPDE product.
Anhydrous (not containing add water), water white transparency and the mixed solvent 1 to 6 of stable chemical nature can be obtained.In the closed container of temperature lower than 40 DEG C, in sunshade and under the environment of lucifuge, these synthetics can deposit more than 1 year, even more than 2 years.Described mixed solvent especially has following performance:
-labor safety in environmental protection, health and animal health and dry-cleaning mechanism can be taken into account;
-flash-point: be greater than 75 DEG C;
-kauri-butanol value index: be greater than 70
-anhydrous (not moisture), water-soluble, solubility is greater than the water of 40%v/v.
Embodiment 2-
the effect of 1 to 6 class mixed solvent
1 to 6 class mixed solvent, as the effect of dry-cleaning solvent, can studied by various fibrous textiles panel (10cmx10cm), and the button usually can seen on the textile is being studied.Section 1 research relates to the distortion and discoloration of observing textiles; Section 2 research then needs the validity of observing spot cleaning.
For implementing these tests, need textiles to immerse (with immersion way) 1 to 6 in class mixed solvent, and mechanical agitation 10 minutes, then in addition dry with the temperature of 70 DEG C in baking oven.
Result:
1)
the distortion of liner, variable color and the extent of damage:
To dissimilar textiles, after such as polyester textile, COTTON FABRIC, viscose fabric, sodolin, acrylic fabric, wool fabric, acetate fabrics etc. are tested, test result shows, fabric cleans very clean, be easy to dry, and after the drying without any smell, and the overall profile of wool fabric keeps good (degree of deformation is less than 0.2mm).The result of the test of textile part shows, adopt these mixed solvents carry out cleaned after, the retraction degree of these fabrics is less than the retraction degree using perchloroethylene to produce, and surface is comparatively smooth, extremely be conducive to pressing, and the risk of felt rug adhesion machine can be reduced.Elastic textiles can keep its ductility always.Use 2 classes and 4 class mixed solvents, best dry-cleaning effect can be obtained.
As for decolouring problem, when use 3 class mixed solvent, observe slight decolouring, but decolouring thing can not be re-attached on other fabrics.Find when soiled textiles and reference sample being compared, when using other mixed solvents, resistance to decoloration performance is better, and better than resistance to decoloration performance when using perchloroethylene.
2)
accessories state:
1 to 6 class mixed solvent, can in the research of the common enterprising line correlation of textiles accessories as the effect of dry-cleaning solvent, such as button, plastics zip or metal zip and gummed paillette thing.
After implementing test to accessories (button and accessory), result of the test shows, 1 to 6 class mixed solvent can draw identical result of the test, even better than the result using perchloroethylene to obtain; Preferably, 1,2,5, the 6 class mixed solvents can observed these key elements and require are used.
3)
detergency ability:
The fabric studied contains the spot produced because of following pollutant: olive oil, chocolate (
), mayonnaise, lipstick, claret and ink; Obtain result and need and adopt the clean effect of perchloroethylene and hydrocarbon products to compare.These tests are implemented when not using reinforcing agent (surfactant).
The result of these tests shows:
-1 to 6 class mixed solvent, can dispose grease class dirt easily when not using additive.
-1,2,4,6 class mixed solvents, during the spot produced because of butter or olive oil cleaning, dry-cleaning effect is clearly; The trace of these spots can not be seen again after clean-up process terminates.
-1 class and 2 class mixed solvents especially have highly effective dry-cleaning effect, especially for chocolate stain, lipstick stain and wine stain; These spots become so unobvious after cleaning process terminates; Otherwise when adopting perchloroethylene to dry-clean, these spots then can leave larger spot.
In the aforementioned embodiment, the various different key element described in this invention and/or the layout of equipment and/or step, should not be construed as, and all requires the layout adopting described type in all embodiments.Under any circumstance, all can be understood as, only otherwise deviate from the spirit and scope of this invention, various amendment can be carried out to these key elements and/or equipment and/or step.
Claims (7)
1. one kind uses the textiles dry-cleaning facility of mixed solvent; Described solvent contains Multiple components; Described facility comprises:
Dry-cleaning chamber (1), is configured in cleaning process, makes mixed solvent and treat that dry-cleaning textiles mixes;
Device (7), for the discarded mixed solvent produced after reclaiming clean flow process;
Treating apparatus (8), for except anhydrating and spot, and at least reclaims the discarded mixed solvent of a part, uses discarded mixed solvent so that can dry-clean in flow process at other;
The feature of described facility is, it comprises a bascule (9) more in addition, for allowing the mixed solvent composition of recycling again reach balance, and in facility, add the composition lost in treating apparatus (8) at least partially; Described treating apparatus, its composition at least comprises:
Buffer container (10), be equipped with at least one recirculation mixed solvent supply entrance (10a), at least one mixed solvent fractions supply entrance (10b), for mixed solvent being imported in described buffer container (10), thus allow the mixed solvent composition of recycling again reach balance, and at least one recirculation and balance again mixed solvent outlet (1c); This outlet (10c) is connected with dry-cleaning mixed solvent reservoir vessel (5);
Storage container (11), for depositing one or more dry-cleaning mixed solvent compositions; And
One or more mixed solvent compositions, for by described entrance (10b), are imported in described buffer container (10), thus allow the mixed solvent composition of recycling again reach balance by measuring pump (14); This pump is at least connected with storage container (11) on top; Described storage container is built with one or more dry-cleaning mixed solvent compositions.
2. facility according to claim 1, it is characterized in that, described bascule again (9) is provided with analyzer (15), for analyzing physics and/or the chemical feature of described recirculation mixed solvent, to determine the quantity needing the mixed solvent composition extracted in reservoir vessel (11), and determine the quantity needing the mixed solvent composition imported in buffer container (10).
3. facility according to claim 1 and 2, is characterized in that, cleaning chamber (1) is provided with boring cylinder (2), for placing the textiles that need clean; Described boring cylinder (2) is arranged in described chamber in a rotative pattern; Have in described chamber:
Opening (20), for needing dry-cleaning textiles to put into boring cylinder (2); Door or fenestella can be adopted to close this opening;
Hole (3), is connected with mixed solvent feed conduit (4); Described solvent is placed in reservoir vessel (5).
Hole (6), is connected with retracting device (7).
4. the facility according to claims 1 to 3, it is characterized in that, discarded mixed solvent treating apparatus (8) at least comprises a filter (12), can filter insoluble spot contained in discarded mixed solvent, and a cut distilling apparatus (13); Described treating apparatus (8) comprising:
For removing the outlet of overhead fraction F1, described cut is proportion and p/p in discarded mixed solvent
discarded mixed solventbe at least 15%, wherein at least comprise water, and one or more azeotropic mixtures being become to be grouped into by water and one or more mixed solvents; And
For carrying out the outlet of midbarrel F2 recirculation; Described cut is proportion and p/p in discarded mixed solvent
discarded mixed solventmore than 75%, comprising dry-cleaning mixed solvent, and deduction falls its weight at least partially that is a kind of or Multiple components; After recirculation flow process, described midbarrel F2 is imported in buffer container (10).
5. facility according to claim 4, it is characterized in that, cut distilling apparatus (13) arranges collection container (31), be configured for and deposit described overhead fraction overhead fraction F1 being entered the very first time before discharging container (30), then buffer container (10) is front to be deposited midbarrel being entered by midbarrel F2;
Described collection container (31) has extraction point (31a) bottom it; By this point, overhead fraction F1 and midbarrel F2 can be entered in its respective container (30) and (10); This collection container is provided with analyzer (15a), for analyzing physics and/or the chemical feature of overhead fraction F1 or midbarrel F2, to determine the quantity needing the mixed solvent composition imported in described buffer container (10).
6. facility according to claim 5, is characterized in that, is specifically designed to the discharging container (30) of splendid attire overhead fraction F1, comprising the conduit (300) be connected with injection device (301); Described injection device, can after N number of cleaning cycle flow process, described F1 cut is injected in cut distilling apparatus (13), so that therefrom isolate at least two kinds of cuts: need the overhead fraction F'1 removed, and need the cut F'2 of interpolation, before recirculation mixed solvent reaches again balance, need cut F'2 to add in the midbarrel F2 that collects after N number of cleaning cycle flow process.
7. according to the facility described in claim 1 to 6, it is characterized in that, carry out textiles and dry-clean in mixed solvent used and at least comprise:
40% to 80%p/p
mixed solventdipropylene glycol monomethyl ether;
5% to 40%p/p
mixed solventhydrophilic solvent A; This solvent meets following formula requirement: R-(O-C3H6) n-OH (I); Wherein n is the integer equaling 1 or 2, and R is C3 or C4 alkyl group;
10% to 40%p/p
mixed solventdibasic acid ester B; This dibasic acid ester B selects from group; This group comprises dimethyl succinate, dimethyl glutarate, dimethyl adipate and composition thereof; And
0% to 10%p/p
mixed solventcomplementary element.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1350536A FR3001235B1 (en) | 2013-01-22 | 2013-01-22 | METHOD AND APPARATUS FOR DRY CLEANING TEXTILE ARTICLES USING A COMPOSITE SOLVENT AND RECYCLING THE COMPOSITE SOLVENT FOR REUSING. |
| FR1350536 | 2013-01-22 | ||
| PCT/FR2014/050121 WO2014114880A2 (en) | 2013-01-22 | 2014-01-22 | Unit for dry cleaning textile articles using a composite solvent and for recycling the used composite solvent for re-use |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104955999A true CN104955999A (en) | 2015-09-30 |
| CN104955999B CN104955999B (en) | 2016-12-28 |
Family
ID=48170684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480005689.5A Expired - Fee Related CN104955999B (en) | 2013-01-22 | 2014-01-22 | Use the textile dry-cleaning facility of mixed solvent and recycling discarded mixed solvent recvery facility |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20160010269A1 (en) |
| EP (1) | EP2948585A2 (en) |
| CN (1) | CN104955999B (en) |
| FR (1) | FR3001235B1 (en) |
| WO (2) | WO2014114880A2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109963976A (en) * | 2016-11-14 | 2019-07-02 | Bsh家用电器有限公司 | Spectrometer, the system comprising spectrometer and household appliance and its operation method |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277982B (en) * | 2013-05-21 | 2015-06-17 | 南京九思高科技有限公司 | Technology and device for circulating recycling of volatile organic compound in coating printing industry |
| AU2019332942A1 (en) | 2018-08-27 | 2021-03-18 | Ecolab Usa Inc. | System and technique for extracting particulate-containing liquid samples without filtration |
| FR3135734A1 (en) * | 2022-05-19 | 2023-11-24 | Alysee Services | installation and process for dry cleaning composite textile articles. |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010047553A1 (en) * | 2000-01-19 | 2001-12-06 | Kohei Sawa | Dry cleaning machine and method of dry cleaning |
| US20030196282A1 (en) * | 2002-04-22 | 2003-10-23 | Fyvie Thomas Joseph | System and method for solvent recovery and purification in a low water or waterless wash |
| CN1650063A (en) * | 2002-05-02 | 2005-08-03 | 宝洁公司 | Cleaning system containing a solvent filtration device and method for using the same |
| US20120085634A1 (en) * | 2010-10-08 | 2012-04-12 | Greenearth Cleaning, Llc | Dry cleaning solvent |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5612303B1 (en) * | 1993-06-15 | 2000-07-18 | Nitto Chemical Industry Co Ltd | Solvent composition |
| US6273919B1 (en) | 1997-04-04 | 2001-08-14 | Rynex Holdings Ltd. | Biodegradable ether dry cleaning solvent |
| US6521580B2 (en) | 2000-02-22 | 2003-02-18 | General Electric Company | Siloxane dry cleaning composition and process |
| US20040111806A1 (en) * | 2002-12-11 | 2004-06-17 | Scheper William Michael | Compositions comprising glycol ether solvents and methods employing same |
| US7144850B2 (en) | 2004-08-25 | 2006-12-05 | Lyondell Chemical Technology, L.P. | Drycleaning method using dipropylene glycol dimethyl ether |
-
2013
- 2013-01-22 FR FR1350536A patent/FR3001235B1/en active Active
-
2014
- 2014-01-22 US US14/761,374 patent/US20160010269A1/en not_active Abandoned
- 2014-01-22 CN CN201480005689.5A patent/CN104955999B/en not_active Expired - Fee Related
- 2014-01-22 EP EP14706878.7A patent/EP2948585A2/en not_active Withdrawn
- 2014-01-22 WO PCT/FR2014/050121 patent/WO2014114880A2/en active Application Filing
- 2014-01-22 WO PCT/FR2014/050120 patent/WO2014114879A2/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010047553A1 (en) * | 2000-01-19 | 2001-12-06 | Kohei Sawa | Dry cleaning machine and method of dry cleaning |
| US20030196282A1 (en) * | 2002-04-22 | 2003-10-23 | Fyvie Thomas Joseph | System and method for solvent recovery and purification in a low water or waterless wash |
| CN1650063A (en) * | 2002-05-02 | 2005-08-03 | 宝洁公司 | Cleaning system containing a solvent filtration device and method for using the same |
| US20120085634A1 (en) * | 2010-10-08 | 2012-04-12 | Greenearth Cleaning, Llc | Dry cleaning solvent |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109963976A (en) * | 2016-11-14 | 2019-07-02 | Bsh家用电器有限公司 | Spectrometer, the system comprising spectrometer and household appliance and its operation method |
| CN109963976B (en) * | 2016-11-14 | 2021-04-20 | Bsh家用电器有限公司 | Spectrometer, system comprising a spectrometer and a domestic appliance, and method for operating the same |
Also Published As
| Publication number | Publication date |
|---|---|
| FR3001235B1 (en) | 2015-01-23 |
| FR3001235A1 (en) | 2014-07-25 |
| WO2014114879A2 (en) | 2014-07-31 |
| US20160010269A1 (en) | 2016-01-14 |
| WO2014114880A3 (en) | 2014-11-27 |
| EP2948585A2 (en) | 2015-12-02 |
| WO2014114880A2 (en) | 2014-07-31 |
| CN104955999B (en) | 2016-12-28 |
| WO2014114879A3 (en) | 2014-11-27 |
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