CN101474499B - Fine filtering process and device for dry-cleaning solvent - Google Patents

Fine filtering process and device for dry-cleaning solvent Download PDF

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Publication number
CN101474499B
CN101474499B CN2008100559176A CN200810055917A CN101474499B CN 101474499 B CN101474499 B CN 101474499B CN 2008100559176 A CN2008100559176 A CN 2008100559176A CN 200810055917 A CN200810055917 A CN 200810055917A CN 101474499 B CN101474499 B CN 101474499B
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China
Prior art keywords
solvent
dividing plate
hole
fibre bundle
box
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Expired - Fee Related
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CN2008100559176A
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CN101474499A (en
Inventor
李洪学
陈敏和
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Haikou Hui Jie Jie Environmental Protection Technology Co ltd
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Individual
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  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
  • Filtering Materials (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

The invention discloses a dry cleaning solvent finely filtering method. A dry cleaning solvent passes through fiber strand formed by fiber yarns and passes through absorbing substance. The device adopted in the method is a box body; wherein a partition plate is arranged in the box body, the box body is divided into a filtering-waiting solvent box and a clean solvent box by the partition plate, the upper part of the filtering-waiting solvent box is provided with an inlet; the lower part of the clean solvent box is provided with an outlet; the partition plate is provided with a hole; and the fiber strand formed by fiber yarns is inserted in the hole. The invention has the advantages that the structure is simple, the volume is small and the manufacturing cost is low, thus thoroughly solving the technical problems that a dry cleaner can not totally filter oil solvents and dry cleaning solvents and circularly uses dreggy dry cleaning solvents to wash clothes for a long time. By the invention, carbon dichloride solvent is filtered before distillation; therefore, basically, no deposit exists before distillation, thus greatly reducing the frequency of cleaning a distillation box and reducing the chance that a human body contacts the carbon dichloride solvent.

Description

A kind of fine filtering method of DC naphtha and device
Technical field
Purification, filtration after the garment dry cleaning solvent that the present invention relates to the garment dry cleaning field uses; Specifically, the present invention relates to impurity and simple in structure, the stable performance in a kind of thoroughly filtering DC naphtha, the DC naphtha fine filtering device that volume is little, cost is low.
Background technology
The filter of garment dry cleaning machine use at present all is the tubbiness filter that adopts filter paper or in the middle of two layers of filter paper, fill the activated carbon granule adsorption layer.Filter paper layers role wherein is the solid impurity in the filtering DC naphtha, and active carbon granule adsorption layer role is the dissolubility impurity in the absorption DC naphtha.In fact, the solid matter that above-mentioned filter paper layers can only the filtering larger particles, and trickle solid can not be caused DC naphtha muddy by filtering.Above-mentioned activated carbon adsorption layer is also because of the excesssive gap between the activated carbon grain, contact with DC naphtha insufficient, incomplete to the dissolubility impurity absorption in the DC naphtha, cause DC naphtha variable color gradually, the laundry quality descends.
Prior art dry-cleaning industry mainly adopts petroleum solvent and tetrachloroethylene solvent to dry-clean; Because the cost of these two kinds of solvents is higher with the cleaning cost; Caused the price of dry-cleaning industry to compare higher relatively with its people's average living standard; More caused most of drycleaner's in order to practice thrift cost, do not adopted petroleum solvent or tetrachloroethylene solvent to dry-clean and adopt the counterfeit behavior of traditional washing, harm consumer's interests.
Adopt the dry-cleaning industry of petroleum solvent; Because former dry cleaner carries the thoroughly impurity in the filtering petroleum solvent of filter; Cause petroleum solvent will carry out once manual knock-out purified treatment in general one month, processing procedure is loaded down with trivial details consuming time, so; Many drycleaner's adopt the petroleum solvent of the dirt that contains a large amount of impurity to dry-clean in the dry-cleaning industry, and the clothing to the consumer can cause invisible infringement like this.
The filtration of the tetrachloroethylene solvent that original dry-cleaning industry is used is to filter through filter paper before adopting distillation, causes the distillation case to have deposit, and deposit too much can influence distilling effect on the contrary, therefore, must clean the distillation case after the distillation several times.Because tetrachloroethylene solvent is a violent in toxicity, open the cleaning of distillation case health is caused bigger harm, and it is also bigger to clean the discharging of waste liquid environmental pollution that distills case.
The applicant of patent of the present invention on July 23rd, 2007 to the application number that State Intellectual Property Office submits be 200720169838.9, name is called in the utility application of DC naphtha clarifier; The technical scheme that adopts is that the adsorption layer in the middle of the two layers of filter paper adopts Powdered adsorbent; Remedied the defective that filter paper can not filtering trickle solid matter; Solved the haze problem of DC naphtha; Simultaneously also solved the incomplete technical problem of absorption dissolubility impurity, made DC naphtha obtain purifying completely reduction.Yet owing to used filter paper equally in the aforementioned utility model application, and filter paper is to utilize filament laterally to interweave to form grid to stop that the solid matter greater than the filament grid passes through, and realizes filtering.These filaments interweave the grid that forms nearly all in one plane; As long as the solid matter that is stopped forms a very thin surface sediments on the filter paper surface; Fiber mesh on the filter paper will be deposited thing and cover, stops up; Thereby the transparent performance of filter paper reduces, and the rate of filtration seriously descends, and fall reaches 4/5ths.In order to reach certain rate of filtration; A plurality of clean unit parallel connections are adopted in this utility model application, make treatment facilities complicated, and volume is too huge; Cost is higher; Especially solid matter in the above-mentioned utility model in the filtering DC naphtha and dissolubility impurity all are to be accomplished by Powdered adsorption layer, in case Powdered adsorption layer the crack occurs when in manufacturing or use, vibrations taking place, can't normally use.
In order to solve the above-mentioned technical problem that prior art exists, further the filter technology of this area DC naphtha is improved special proposition the present invention.
Summary of the invention
The objective of the invention is deficiency to the prior art existence; A kind of filter method of new DC naphtha is proposed, and provide a kind of adopt this method simple in structure, volume is little, cost is low, stable performance, the thoroughly solid matter in the filtering DC naphtha and the DC naphtha fine filtering device useful to health.
For realizing the foregoing invention purpose, the technical scheme of the fine filtering method of DC naphtha provided by the present invention is: with the fibre bundle of DC naphtha through being made up of filament.
Said filament is various natural or synthetic fibers and fibres, and optimized technical scheme is that described filament is cotton fiber, wool fibre, artificial silk, polyester fiber, nylon or synthetic fibers.
Further optimized technical scheme is, also through adsorbent, adsorbent is the mixture of active carbon, atlapulgite or active carbon and atlapulgite to DC naphtha.
The technical scheme of the DC naphtha fine filtering device of use said method provided by the present invention is: the meticulous device of DC naphtha; Comprise a casing, be provided with a dividing plate in the casing, this dividing plate is separated into solvent tank to be filtered and cleaning solvent case with casing; The top of solvent tank to be filtered is provided with inlet; The bottom of cleaning solvent case is provided with liquid outlet, and dividing plate is provided with the hole, is inserted with fibre bundle in the hole.
Optimized technical scheme is, described fibre bundle is made up of filament, and fibre bundle one end passes the dividing plate hole and stretches to the cleaning solvent case.
Another optimal technical scheme provided by the invention is: also comprise a dissolved matter separator box; This dissolved matter separator box comprises the inlet that is communicated with described lower box liquid outlet, and the bottom is provided with liquid outlet, in be provided with dividing plate; Dividing plate is provided with the hole; Be inserted with fibre bundle in the hole, the root of fibre bundle is enclosed with adsorbent, and the root of fibre bundle is the state of scattering.
Another optimized technical scheme provided by the invention is: the meticulous device of DC naphtha; Comprise a casing, be provided with a dividing plate in the casing, this dividing plate is separated into solvent tank to be filtered and cleaning solvent case with casing; The top of solvent tank to be filtered is provided with inlet; The bottom of cleaning solvent case is provided with liquid outlet, and dividing plate is provided with the hole, is inserted with fibre bundle in the hole.The side that described dividing plate is positioned at solvent tank to be filtered is provided with one deck adsorbent.
Further, described adsorbent is the mixture of active carbon, atlapulgite or active carbon and atlapulgite.
Filament described in the technique scheme is cotton fiber, wool fibre, artificial silk, polyester fiber, nylon or synthetic fibers.
The invention has the beneficial effects as follows: the present invention is simple in structure, volume is little, cost is low and stable performance; The present invention is used for petroleum solvent can make that the DC naphtha of dry cleaner is long-term to keep as clear as crystal, has thoroughly solved since the dry cleaner invention DC naphtha and has filtered and do not recycle the technical problem that dirty DC naphtha is washed clothes thoroughly, for a long time.Use the present invention that tetrachloroethylene solvent is distilled preceding filtration; Basically there is not deposit before can making distillation; Therefore, can keep for a long time distilling the clean and tidy of case, reduce the number of times that the distillation case is cleaned greatly; Even can clean the distillation case basically, reduced the touch opportunity of human body to tetrachloroethylene solvent.Because tetrachloroethylene solvent is Poisons, so the present invention not only is of value to health, and is beneficial to environmental protection.
Description of drawings
Fig. 1 is the structural representation of DC naphtha fine filtering device first embodiment of the present invention;
Fig. 2 is the structural representation of DC naphtha fine filtering device second embodiment of the present invention.
The specific embodiment
Be described in detail below in conjunction with the accompanying drawing specific embodiments of the invention.
DC naphtha fine filtering method provided by the invention is with fibre bundle and the active carbon bisque of DC naphtha through being made up of the cotton fiber silk; When DC naphtha passes through from the fine gap of fibre bundle; The dissolubility impurity such as clothes dyestuff that contains in the solvent is absorbed by the active carbon bisque, and the solid impurity that contains in the solvent is also fully filtered by fibre bundle.Because the slit that forms between the filament is tiny and long and narrow, so even trickle solid matter can not pass through, then can guided out by these fine gap smoothly as the DC naphtha of liquid.And the fine gap that filament constitutes is open, vertically forms along fibre bundle, as long as fibre bundle is not deposited thing and floods fully, it is unimpeded that the fine gap in the fibre bundle just can keep.
Embodiment 1: present embodiment also provides the special-purpose DC naphtha fine filtering device that adopts said method, and this device has special effect to preceding filtration of the distillation of the tetrachloroethylene solvent that uses in the dry-cleaning, and Fig. 1 is the structural representation of DC naphtha fine filtering device of the present invention; As shown in Figure 1; The meticulous device of DC naphtha of the present invention comprises a casing 1, is provided with a dividing plate 2 in the casing; This dividing plate is separated into solvent tank 11 to be filtered and cleaning solvent case 12 with casing; The top of solvent tank 11 to be filtered is provided with inlet 111, and the bottom of cleaning solvent case 12 is provided with liquid outlet 121, and dividing plate 2 is provided with hole 21; Be inserted with the fibre bundle 3 that is made up of filament in the hole 21, fibre bundle 3 one ends pass 21 Shens, dividing plate hole to cleaning solvent case 12.
Adopt the filtration before present embodiment distills tetrachloroethylene solvent, filter effect is better, gets into the solvent substantially free of impurities of distillation case, and distillation back deposit-free has reduced the number of times that the distillation case is cleaned.And, only needing after use a period of time directly dividing plate to be taken out to change get final product, the time and the chance of minimizing human body contact tetrachloroethylene solvent are of value to health.
Embodiment 2: present embodiment provides a kind of to the technical scheme of using petroleum solvent in the dry-cleaning industry, and Fig. 2 is for the structural representation of DC naphtha fine filtering device of the present invention, and is as shown in Figure 2; The meticulous device of DC naphtha of the present invention comprises a casing 1, is provided with a dividing plate 2 in the casing; This dividing plate is separated into solvent tank 11 to be filtered and cleaning solvent case 12 with casing; The top of solvent tank 11 to be filtered is provided with inlet 111, and the bottom of cleaning solvent case 12 is provided with liquid outlet 121, and dividing plate 2 is provided with hole 21; Be inserted with the fibre bundle 3 that is made up of filament in the hole 21, fibre bundle 3 one ends pass dividing plate hole 21 and stretch to cleaning solvent case 12.
Bottom liquid outlet 121 is communicated with a dissolved matter separator box 1 '; Dissolved matter separator box 1 ' comprises the inlet 111 ' that is communicated with the bottom liquid outlet 121 of casing 1, and the bottom is provided with liquid outlet 121 ', in be provided with dividing plate 2 '; Dividing plate 2 ' is provided with hole 21 '; Be inserted with by filament in the hole 21 ' and constitute fibre bundle 3 ', the root of fibre bundle 3 ' is enclosed with activated carbon powder adsorbent layer 4, and the root of fibre bundle 3 ' is the state of scattering.
The present invention also can be employed in the scheme that a side that described dividing plate is positioned at solvent tank to be filtered is provided with layer of active carbon particle adsorbent; Promptly use the dissolved matter separator box of the technical scheme of embodiment 2 separately; But the technical scheme of the relative embodiment 2 of its effect is poor slightly, no longer specifically describes at this.
Filament described in two above-mentioned embodiment can adopt one or more of cotton fiber, wool fibre, artificial silk, polyester fiber, nylon or synthetic fibers.
Experiment shows, the substance deposition of the solid deposits in the solvent tank to be filtered is the root from fibre bundle, just begins to form from the dividing plate upper surface, and thickening gradually, reach to flood fibre bundle fully and need considerable time.Be installed to the utility model DC naphtha fine filtering device and carry out actual detected on the garment dry cleaning machine; The DC naphtha to be filtered that lets dry cleaner at every turn use gets into this device and filters; Getting back to the dry cleaner liquid reserve tank then recycles; Experimental result is: as long as annual primary fiber bundle and the adsorbent changed, can make that DC naphtha in the dry cleaner is long-term to keep as clear as crystal, thoroughly solved the dry cleaner invention since DC naphtha filter halfway technical problem.
Know like those skilled in the art; The foregoing description only plays the exemplary role in the foregoing invention protection domain; Concerning those of ordinary skills; In the protection domain that the present invention limited, also have a lot of conventional distortion and other embodiment, these distortion and embodiment will be within the protection domains that the present invention is awaited the reply.

Claims (1)

1. the device of a DC naphtha fine filtering comprises a casing, is provided with a dividing plate in the casing; This dividing plate is separated into solvent tank to be filtered and cleaning solvent case with casing, and the top of solvent tank to be filtered is provided with inlet, and the bottom of cleaning solvent case is provided with liquid outlet; It is characterized in that described dividing plate is provided with the hole, be inserted with fibre bundle in the hole; Described fibre bundle is made up of filament, and fibre bundle one end passes the dividing plate hole and stretches to the cleaning solvent case, also comprises a dissolved matter separator box; This dissolved matter separator box comprises the inlet that is communicated with described lower box liquid outlet, and the bottom is provided with liquid outlet, in be provided with dividing plate; Dividing plate is provided with the hole, is inserted with fibre bundle in the hole, and the root of fibre bundle is enclosed with adsorbent; The root of fibre bundle is the state of scattering; The side that described dividing plate is positioned at solvent tank to be filtered is provided with one deck adsorbent, and described adsorbent is the mixture of active carbon, atlapulgite or active carbon and atlapulgite, and described filament is cotton fiber, wool fibre, artificial silk, polyester fiber or nylon.
CN2008100559176A 2008-01-02 2008-01-02 Fine filtering process and device for dry-cleaning solvent Expired - Fee Related CN101474499B (en)

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Application Number Priority Date Filing Date Title
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CN101474499B true CN101474499B (en) 2012-11-07

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107583318A (en) * 2016-07-07 2018-01-16 徐庭中 Continue formula line complex cleaner forever
CN110448954B (en) * 2019-08-06 2024-05-24 刘忠平 Novel dry washing liquid purifier

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4277336A (en) * 1978-07-17 1981-07-07 Henschel Jr Arthur O Multiple by-pass filter system
CN2371212Y (en) * 1999-05-21 2000-03-29 刘铭钢 Petroleum dry cleaner for multi-stage filtering detergent
CN2439312Y (en) * 2000-03-06 2001-07-18 杨日光 Filtration apparatus
CN201139977Y (en) * 2008-01-02 2008-10-29 李洪学 Refined filter of dry cleaning solvent

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4277336A (en) * 1978-07-17 1981-07-07 Henschel Jr Arthur O Multiple by-pass filter system
CN2371212Y (en) * 1999-05-21 2000-03-29 刘铭钢 Petroleum dry cleaner for multi-stage filtering detergent
CN2439312Y (en) * 2000-03-06 2001-07-18 杨日光 Filtration apparatus
CN201139977Y (en) * 2008-01-02 2008-10-29 李洪学 Refined filter of dry cleaning solvent

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Owner name: HAIKOU HUIMEIJIE ENVIRONMENTAL TECHNOLOGY CO., LTD

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