CN101590345A - A kind of composite filtering material and manufacture method thereof - Google Patents
A kind of composite filtering material and manufacture method thereof Download PDFInfo
- Publication number
- CN101590345A CN101590345A CNA2008100711489A CN200810071148A CN101590345A CN 101590345 A CN101590345 A CN 101590345A CN A2008100711489 A CNA2008100711489 A CN A2008100711489A CN 200810071148 A CN200810071148 A CN 200810071148A CN 101590345 A CN101590345 A CN 101590345A
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- composite filtering
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Abstract
The invention discloses a kind of manufacture method of composite filtering material, its step: earlier the PTFE resin solution is incorporated on the Woven glass cloth; The Woven glass cloth that is combined with the PTFE resin is carried out sintering.It makes every one thread surface in the glass filter cloth all superscribe PTFE (polytetrafluoroethylene (PTFE)) protective layer of one deck densification; carrying out the PTFE overlay film at filter material surface then handles; all raisings greatly of performance such as it is high temperature resistant, corrosion-resistant for the filtrate of making, hydrolysis, pliability, wear-resisting, anti-folding; dust peeling property is good; the filtrate easy-to-clean ash makes can be enhanced about more than once than existing product its service life.
Description
Technical field
The invention relates to a kind of filtrate of environmental protection dust removal and filtration, be meant a kind of composite filtering material and manufacture method thereof especially.
Background technology
Existing scheme mainly contains following several: 1, glass fiber filter material does not pass through PTFE (polytetrafluoroethylene (PTFE)) and handles direct overlay film, 2 glass fiber filter materials are handled through PTFE but are not had overlay film 3, glass fiber filter material is not handled through PTFE does not have overlay film to handle yet, 4, even glass fiber filter material is handled through PTFE, but also not through removing the slurry on the Woven glass cloth, the self-lubricating agent, size, grease and other impurity, directly use the PTFE impregnation process, and the PTFE solution formula is different, sintering process is also different, make the fastness of Woven glass cloth and PTFE bonding bad, it is high temperature resistant for the filtrate of making, corrosion-resistant, hydrolysis, pliability, wear-resisting, performances such as anti-folding are all very poor, and its service life is also very short.
Summary of the invention
The purpose of this invention is to provide that a kind of industrial fumes that are applicable to high temperature, high humidity, high viscosity dust industry or have Acidity of Aikalinity, aggressive chemistry gas purify and the composite filtering material and the manufacture method thereof of the occasion that other operating mode is abominable.
For achieving the above object, solution of the present invention is:
A kind of manufacture method of composite filtering material, its step:
(1), the PTFE resin solution is incorporated on the Woven glass cloth;
(2), the Woven glass cloth that is combined with the PTFE resin is carried out sintering.
The PTFE resin solution of poly-(one) of described step adds plasticizer, stirs and adjusts earlier.
The PTFE resin solution of described step () is that the mode with dipping, spraying, blade coating and coating is incorporated on the Woven glass cloth.
The described step is gathered (two) preceding increase pre-treatment step, promptly removes Woven glass cloth surface conditioning agent, grease and impurity; Detergent cleans--water rinse---oven dry.
The sintering in described step poly-(two) is that--cylinder is rolling--dries--heat treatment--sintering--press polish---cooling with the PTFE resin solution that Woven glass cloth-poly-through going on foot () the prepares dipping gluing after handling.
Increase the overlay film step again after step (two), the PTFE glass sintering filtrate after soon handling through the step poly-(two) carries out the overlay film of PTFE microporous barrier as base material.
Pre-treatment step is that the buiky yarn Woven glass cloth is carried out drying at 100 ℃～150 ℃, and------compressed air blows and shakes, and--detergent of autogamy cleans--water rinse---oven dry again through 300 ℃～350 ℃ high temperature cabonizations again through 250 ℃～300 ℃ heat treatments.
Step, poly-(two) sintering was to dry at 90 ℃～100 ℃--through 280 ℃～300 ℃ heat treatments--through 350 ℃～380 ℃ sintering--press polish---cooling.
A kind of composite filtering material, it is to adopt varicosity to close the woven Woven glass cloth of twist yarn as base cloth, handles the PTFE protective layer that makes every one thread surface in the glass filter cloth all superscribe one deck densification in the PTFE inorganic agent.
According to the composite filtering material that said method is made, it is to adopt varicosity to close the woven Woven glass cloth of twist yarn as base cloth, handles PTFE (polytetrafluoroethylene (PTFE)) protective layer that makes every one thread surface in the glass filter cloth all superscribe one deck densification in the PTFE inorganic agent.
After adopting such scheme; because the present invention utilizes PTFE macromolecule raw material and other chemical assistant; adopt the special process flow process; make every one thread surface in the glass filter cloth of buiky yarn all superscribe PTFE (polytetrafluoroethylene (PTFE)) protective layer of one deck densification; carrying out the PTFE overlay film at filter material surface then handles; give filtrate fine resistance to acids and bases; corrosion-resistant; high temperature resistant; performances such as the antifriction scrape along is warping strength; and smooth surface; hydrophobic; dust all can't stick to filter material surface, is applicable to high temperature; high humidity; high viscosity dust industry or have Acidity of Aikalinity; the industrial fumes of aggressive chemistry gas purify and the abominable occasion of other operating mode.
This filtrate is to adopt varicosity to close the woven Woven glass cloth of twist yarn as base cloth; in the PTFE resin solution, pad and handle and oven dry; sintering; adopt 350 ℃～380 ℃ sintering process of high temperature; guarantee the PTFE tight burning on glass base cloth surface; PTFE molecular crystalline degree height; and can adopt repeatedly sintering; glass base cloth behind the sintering; the PTFE crystallization of glass surface is even; can effectively improve the fastness of both combinations; cohesive; make every one thread surface in the glass filter cloth all superscribe PTFE (polytetrafluoroethylene (PTFE)) protective layer of one deck densification; form the firm PTFE protective layer of one deck on the glass surface, carry out the PTFE overlay film at filter material surface then and handle its intensity of the filtrate of making; corrosion-resistant; hydrolysis; pliability; wear-resisting; performances such as anti-folding all can improve 1～2 times; can improve its anti-fluoride and strong corrosive medium ability again; and smooth surface; hydrophobic, dust all can't stick to filter material surface, so can be enhanced about more than once than existing product service life.
The specific embodiment
A kind of manufacture method of composite filtering material, it is to adopt varicosity to close the woven Woven glass cloth of twist yarn as base cloth, handles the polytetrafluoroethylene (PTFE) protective layer that makes every one thread surface in the glass filter cloth all superscribe one deck densification in the PTFE inorganic agent.
The manufacture method of above-mentioned composite filtering material, its step:
(1) adjustment of PTFE resin solution:
Operation as follows:
1) with PTFE concentrate solubilizer, makes the PTFE resin solution;
2) the PTFE resin solution of taking-up step 1), solubilizer dilutes;
3) in step 2) PTFE resin dilute solution in add plasticizer, stir;
4) solution of step 3) is poured in the dipping tank, with base cloth dipping, also can be adopted mode with the spraying of PTFE resin solution, blade coating or coating to be incorporated on the base cloth certainly, cylinder is rolling, allow coated and dried moulding, sintering, press polish, overlay film.
(2) remove Woven glass cloth surface conditioning agent, grease and impurity:
----heat-treatment zone (250 ℃～300 ℃)--high temperature cabonization district (300 ℃～350 ℃)--compressed air blows and shakes, and--detergent of autogamy cleans--water rinse---oven dry to dry section (100 ℃～150 ℃) to the buiky yarn Woven glass cloth
If there is slurry on the Woven glass cloth, other impurity such as grease, the degradation and the adhesion that will cause PTFE to combine with glass descend, can thoroughly remove slurry on the Woven glass cloth by above technology, the self-lubricating agent, size, grease and other impurity, thereby make fabric and yarn fibers any surface finish, totally, can effectively improve the caking property and the fastness of PTFE and glass, the method does not have physics wearing and tearing and chemical erosion, other producers are not through removing the slurry on the Woven glass cloth, the self-lubricating agent, size, grease and other impurity, directly use the PTFE impregnation process, or it is not thorough to use additive method to remove impurity, insufficient, directly influence the sintering quality of next step filtrate, make the fastness of Woven glass cloth and PTFE bonding bad, its degradation of the filtrate of making.
(3) the sintering process flow process is as follows:
----cylinder is rolling--dries (90 ℃～100 ℃)--heat treatment (280 ℃～300 ℃)--sintering (350 ℃～380 ℃)--press polish---cooling in the PTFE resin solution dipping gluing that poly-through going on foot () prepares to handle the back Woven glass cloth through going on foot poly-(two)
Through behind the sintering process; make every one thread surface in the glass filter cloth all superscribe the polytetrafluoroethylene (PTFE) protective layer of one deck densification; give the fine resistance to acids and bases of filtrate, corrosion-resistant, high temperature resistant, performance such as the antifriction scrape along is warping strength; and smooth surface, hydrophobic, dust all can't stick to filter material surface.
(4) the PTFE glass sintering filtrate after the process step poly-(three) is as base material, the overlay film that carries out the PTFE microporous barrier handle to form a kind of high-quality, novel, as to have micro porous filtration PTFE glass sintering filtrate, further improves performances such as filtrate resistance to acids and bases, corrosion-resistant, rub resistance, warping strength and dust peeling property.
The characteristic of this kind filtrate:
1. high temperature resistant: the temperature tolerance of this kind filtrate mainly is by the decision of the heat resistance of glass and PTFE itself, 260 ℃ of its long-term serviceability temperatures, and short-term and moment can reach 300 ℃, and dimensional stability to heating in house＜0.5%.
2. good acid-proof alkaline is arranged: it has extraordinary repellence for Acidity of Aikalinity and most organic matter, hydrogen fluoride is not afraid of yet, and " U.S. space reaches " No. 1----is high temperature resistant, the high-performance special filtrate all obviously improves than common glass fiber filter material the repellence of corrosive gas such as Acidity of Aikalinity.
3. good wearability and endurance character, tensile strength height are arranged: this kind filtrate is no matter be its wearability and fatigue durability, or its tensile strength all is better than common glass fiber filter material.
4. have excellent hydrophobic property: this filter material surface is smooth, and is hydrophobic, and any dust all can't stick to filter material surface and easy-to-clean ash, and it is not afraid of tar, steam; Dew point is not afraid of, and freezes not to be afraid of yet, so the deduster outside does not need insulation, is applicable to contain the Acidity of Aikalinity composition, and the exhaust gas dust that moisture fluctuation is big filters.
5. thermal dimensional stability is good: 300 ℃, thermal contraction is less than 0.5%, and this characteristic has determined the security that he at high temperature uses.
6. filter the wind height: filtrate is handled through the overlay film of PTFE microporous barrier, easy-to-clean ash, and it has good rub resistance and fatigue durability, these characteristics have determined it to have higher filtration velocity, also determined its competent purge mode that anti-blow cleaning dust is arranged, rotary counter-blowing wind deashing, mechanical oscillation deashing, pulse dust cleaning etc.
7, dust peeling property is good, filtering accuracy is high: it is with a kind of film with microporosity of polytetrafluoroethylbulked bulked one-tenth that the overlay film of PTFE microporous barrier is handled, this film is laminated with special process on filtrate, made it become a kind of filtering material of novel, high-quality, has high filtering accuracy (filter efficiency to 0.01～1 micron ultrafine dust particle can reach 99.99%), the splendid dust of tool is peeled off effect, further improves performances such as filtrate resistance to acids and bases, corrosion-resistant, rub resistance, warping strength and dust peeling property.
This kind filtrate is mainly used in the following aspects:
1. the gas cleaning of incinerator high temperature, high viscosity dust.The processing of particularly discarded medical supplies (as one-shot injector, rubber gloves etc.) and house refuse can solve high temperature and burn difficult problems such as bag, high viscosity dust paste bag, chemical gas corrosion cloth bag.
2. the gas cleaning of smelting iron and steel factory blast furnace gas.Mainly can solve high temperature, high humidity, the following chemical gas corrosion cloth bag difficult problems such as bag and high temperature sulfur-bearing of sticking with paste of dew point.
3. the gas cleaning of carbon black, coking furnace.Mainly can solve the deashing difficulty that high temperature, high viscosity dust cause, the dew point oxidation reaction after the blowing out makes difficult problems such as the early stage embrittlement of filtrate.
4. the high temperature of industries such as chemical industry, metallurgy, cement, the paste bag that the high viscosity dust causes, equipment running resistance height, difficult problems such as the early stage embrittlement breakage of filtrate.
5. the flue gas dry desulfurizing of coal burning boiler of power station is compared with common glass fibre bag, cannot not have stickingly bag, easy-to-clean ash, and the equipment running resistance is low, advantages such as long service life.
Main application fields: incinerator, iron and steel, cement, chemical industry, power plant, carbon black, metallurgy, coal-burning boiler, gypsum industry, industries such as lime industry.
Claims (9)
1, a kind of manufacture method of composite filtering material, its step:
(1), the PTFE resin solution is incorporated on the Woven glass cloth;
(2), the Woven glass cloth that is combined with the PTFE resin is carried out sintering.
2, the manufacture method of composite filtering material as claimed in claim 1 is characterized in that: the PTFE resin solution of poly-() of described step adds plasticizer, stirs and all adjusts earlier.
3, the manufacture method of composite filtering material as claimed in claim 1 or 2 is characterized in that: the PTFE resin solution of described step () is that the mode with dipping, spraying, blade coating and coating is incorporated on the Woven glass cloth.
4, the manufacture method of glass fiber composite filter material as claimed in claim 1 is characterized in that: the described step is gathered (two) preceding increase pre-treatment step, promptly removes Woven glass cloth surface conditioning agent, grease and impurity; Detergent cleans--water rinse---oven dry.
5, as the manufacture method of claim 1 or 4 described composite filtering materials, it is characterized in that: the sintering in described step poly-(two) is that--cylinder is rolling--dries--heat treatment--sintering--press polish---cooling with the PTFE resin solution that Woven glass cloth-poly-through going on foot () the prepares dipping gluing after handling.
6, as the manufacture method of claim 1 or 4 described composite filtering materials, it is characterized in that: increase the overlay film step again after step (two), the PTFE glass sintering filtrate after soon handling through the step poly-(two) carries out the overlay film of PTFE microporous barrier as base material.
7, the manufacture method of composite filtering material as claimed in claim 4 is characterized in that: pre-treatment step is that the buiky yarn Woven glass cloth is carried out drying at 100 ℃～150 ℃, and------compressed air blows and shakes, and--detergent of autogamy cleans--water rinse---oven dry again through 300 ℃～350 ℃ high temperature cabonizations again through 250 ℃～300 ℃ heat treatments.
8, the manufacture method of composite filtering material as claimed in claim 5 is characterized in that: the step, poly-(two) sintering was to dry at 90 ℃～100 ℃--through 280 ℃～300 ℃ heat treatments--through 350 ℃～380 ℃ sintering--press polish---cooling.
9, a kind of composite filtering material is characterized in that: be to adopt varicosity to close the woven Woven glass cloth of twist yarn as base cloth, handle the PTFE protective layer that makes every one thread surface in the glass filter cloth all superscribe one deck densification in the PTFE inorganic agent.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008100711489A CN101590345A (en) | 2008-05-27 | 2008-05-27 | A kind of composite filtering material and manufacture method thereof |
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| CNA2008100711489A CN101590345A (en) | 2008-05-27 | 2008-05-27 | A kind of composite filtering material and manufacture method thereof |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101869793A (en) * | 2010-06-04 | 2010-10-27 | 宋朋泽 | Polyfluortetraethylene fiber filter material and preparation method thereof |
| CN101927110A (en) * | 2010-08-27 | 2010-12-29 | 宋朋泽 | Anti-static glass fiber composite echelon filter material and preparation method thereof |
| CN102092136A (en) * | 2010-12-21 | 2011-06-15 | 东华大学 | Method for producing reinforced thermoplastic plastic composite material for spun yarn fabric |
| CN102100987A (en) * | 2009-12-21 | 2011-06-22 | 东丽纤维研究所（中国）有限公司 | Wound filter element and application thereof |
| CN102431244A (en) * | 2011-09-25 | 2012-05-02 | 顾根山 | Breathable adhesion-proof cloth |
| CN103160230A (en) * | 2013-03-01 | 2013-06-19 | 北京中铁润海科技有限公司 | Composite dipping glue used for preparing high temperature filter material and usage method |
| CN103173169A (en) * | 2013-03-01 | 2013-06-26 | 北京中铁润海科技有限公司 | Composite impregnating adhesive for making fireproof heat insulation plate, and its use method |
| CN103170184A (en) * | 2013-04-12 | 2013-06-26 | 武汉纺织大学 | Preparation method of glass fiber membrane filter material |
| CN103432827A (en) * | 2013-08-13 | 2013-12-11 | 辽宁省金氟龙环保新材料有限公司 | High-performance PTFE (Polytetrafluoroethylene) needled felt filter material and preparation process thereof |
| CN103432826A (en) * | 2013-08-13 | 2013-12-11 | 营口海硕环保滤材有限公司 | High-precision double-layer base fabric needled felt filter material and preparation process thereof |
| CN103469646A (en) * | 2013-07-30 | 2013-12-25 | 山东鲁普科技有限公司 | Fluff rope and manufacturing method thereof |
| CN107433073A (en) * | 2017-08-21 | 2017-12-05 | 营口凯悦滤业科技有限公司 | A kind of preparation method of new PTFE coated glass fibers filtering material |
| CN107583358A (en) * | 2017-09-21 | 2018-01-16 | 江苏爱丝品环保新材料有限公司 | A kind of preparation method of the woven filtrate of corrosion resistant glass fiber bulk strand |
| CN113769479A (en) * | 2020-06-10 | 2021-12-10 | 上海溶平国际贸易有限公司 | Membrane material and preparation method thereof |
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2008
- 2008-05-27 CN CNA2008100711489A patent/CN101590345A/en active Pending
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102100987B (en) * | 2009-12-21 | 2014-06-25 | 东丽纤维研究所（中国）有限公司 | Wound filter element and application thereof |
| CN102100987A (en) * | 2009-12-21 | 2011-06-22 | 东丽纤维研究所（中国）有限公司 | Wound filter element and application thereof |
| CN101869793B (en) * | 2010-06-04 | 2012-05-30 | 宋朋泽 | Polyfluortetraethylene fiber filter material and preparation method thereof |
| CN101869793A (en) * | 2010-06-04 | 2010-10-27 | 宋朋泽 | Polyfluortetraethylene fiber filter material and preparation method thereof |
| CN101927110A (en) * | 2010-08-27 | 2010-12-29 | 宋朋泽 | Anti-static glass fiber composite echelon filter material and preparation method thereof |
| CN101927110B (en) * | 2010-08-27 | 2012-08-15 | 宋朋泽 | Anti-static glass fiber composite echelon filter material and preparation method thereof |
| CN102092136A (en) * | 2010-12-21 | 2011-06-15 | 东华大学 | Method for producing reinforced thermoplastic plastic composite material for spun yarn fabric |
| CN102431244A (en) * | 2011-09-25 | 2012-05-02 | 顾根山 | Breathable adhesion-proof cloth |
| CN103160230B (en) * | 2013-03-01 | 2015-03-04 | 北京中铁润海科技有限公司 | Composite dipping glue used for preparing high temperature filter material and usage method |
| CN103173169B (en) * | 2013-03-01 | 2015-04-08 | 北京中铁润海科技有限公司 | Composite impregnating adhesive for making fireproof heat insulation plate, and its use method |
| CN103160230A (en) * | 2013-03-01 | 2013-06-19 | 北京中铁润海科技有限公司 | Composite dipping glue used for preparing high temperature filter material and usage method |
| CN103173169A (en) * | 2013-03-01 | 2013-06-26 | 北京中铁润海科技有限公司 | Composite impregnating adhesive for making fireproof heat insulation plate, and its use method |
| CN103170184B (en) * | 2013-04-12 | 2015-02-25 | 武汉纺织大学 | Preparation method of glass fiber membrane filter material |
| CN103170184A (en) * | 2013-04-12 | 2013-06-26 | 武汉纺织大学 | Preparation method of glass fiber membrane filter material |
| CN103469646A (en) * | 2013-07-30 | 2013-12-25 | 山东鲁普科技有限公司 | Fluff rope and manufacturing method thereof |
| CN103469646B (en) * | 2013-07-30 | 2018-09-28 | 山东鲁普科技有限公司 | A kind of Fluff rope |
| CN103432826A (en) * | 2013-08-13 | 2013-12-11 | 营口海硕环保滤材有限公司 | High-precision double-layer base fabric needled felt filter material and preparation process thereof |
| CN103432827A (en) * | 2013-08-13 | 2013-12-11 | 辽宁省金氟龙环保新材料有限公司 | High-performance PTFE (Polytetrafluoroethylene) needled felt filter material and preparation process thereof |
| CN103432827B (en) * | 2013-08-13 | 2015-03-25 | 辽宁省金氟龙环保新材料有限公司 | High-performance PTFE (Polytetrafluoroethylene) needled felt filter material and preparation process thereof |
| CN103432826B (en) * | 2013-08-13 | 2015-03-25 | 营口海硕环保滤材有限公司 | High-precision double-layer base fabric needled felt filter material and preparation process thereof |
| CN107433073A (en) * | 2017-08-21 | 2017-12-05 | 营口凯悦滤业科技有限公司 | A kind of preparation method of new PTFE coated glass fibers filtering material |
| CN107583358A (en) * | 2017-09-21 | 2018-01-16 | 江苏爱丝品环保新材料有限公司 | A kind of preparation method of the woven filtrate of corrosion resistant glass fiber bulk strand |
| CN113769479A (en) * | 2020-06-10 | 2021-12-10 | 上海溶平国际贸易有限公司 | Membrane material and preparation method thereof |
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Open date: 20091202 |