CN105561677A - Manufacturing method for monofilament woven filter cloth - Google Patents

Manufacturing method for monofilament woven filter cloth Download PDF

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Publication number
CN105561677A
CN105561677A CN201610071974.8A CN201610071974A CN105561677A CN 105561677 A CN105561677 A CN 105561677A CN 201610071974 A CN201610071974 A CN 201610071974A CN 105561677 A CN105561677 A CN 105561677A
Authority
CN
China
Prior art keywords
ptfe
filter cloth
monofilament
polytetrafluoroethylene
woven filter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610071974.8A
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Chinese (zh)
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CN105561677B (en
Inventor
孙尚泽
夏朝阳
裘春湖
李越徽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHEJIANG YANPAI FILTRATION TECHNOLOGY Co Ltd
Original Assignee
ZHEJIANG YANPAI FILTRATION TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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Priority to CN201610071974.8A priority Critical patent/CN105561677B/en
Publication of CN105561677A publication Critical patent/CN105561677A/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
    • B01D39/083—Filter cloth, i.e. woven, knitted or interlaced material of organic material
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
    • D03D13/008—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft characterised by weave density or surface weight
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
    • D03D15/533—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads antistatic; electrically conductive
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C15/00—Calendering, pressing, ironing, glossing or glazing textile fabrics
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C7/00—Heating or cooling textile fabrics
    • D06C7/02—Setting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/0604—Arrangement of the fibres in the filtering material
    • B01D2239/0613—Woven
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/12—Special parameters characterising the filtering material
    • B01D2239/1258—Permeability
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/12—Special parameters characterising the filtering material
    • B01D2239/1291—Other parameters

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Materials (AREA)
  • Woven Fabrics (AREA)

Abstract

The invention discloses a manufacturing method for coarse denier polytetrafluoroethylene (PTFE) monofilament woven filter cloth. The main process includes the steps that PTFE monofilaments (300-500 D) treated with an antistatic agent is adopted, a twill or rearranged twill tissue is adopted, the warp density is 35-450 pieces/10 cm, weft density is 200-350 pieces/10 cm, a rapier loom is adopted, and low-speed weaving, sizing and calendaring treatment are adopted to manufacture the PTFE monofilament woven filter cloth of a stable structure. According to the method for preparing the woven filter cloth from the PTFE monofilaments, the woven filter cloth has the performance features of PTFE lamination and punched felt, has the advantages of being high in filtering efficiency, small in filter resistance, easy to clean, optimal in residue discharging performance, resistant to abrasion, long in service life, and suitable for different high-temperature and acid-base occasions such as a garbage incinerator and a coal burning boiler, and pores are simple.

Description

A kind of manufacture method of woven filament filter cloth
Technical field
The present invention relates to high temperature filtration field, be specially and utilize polytetrafluoroethylene (PTFE) monofilament filter cloth manufacturing process technology, preparation has the polytetrafluoroethylene (PTFE) woven filament filter cloth of rock-steady structure, can be applied directly to high temperature filtration field.
Background technology
In prior art:
Polytetrafluoroethylene (PTFE) fiber has excellent high and low temperature resistance, chemical stability, good electrical insulation capability, non-adhesive, weatherability, anti-flammability and good self lubricity, be applied widely in fields such as chemical industry, oil, weaving, medical treatment, machineries, just becoming the preferred material in the fields such as waste incineration, space suit, fire-entry suit, filtering material and space material in recent years.
Polytetrafluoroethylene (PTFE) and fabric keyword retrieval is adopted to find, the patent of domestic this respect is about 500 multinomial, the article of nearly five yearly correlations has more than 100 section, be summed up mainly to comprise and introduce the preparation of PTFE fiber and performance evaluation thereof, the fiber film-coated fabric of PTFE and PTFE make composite for insulation, Thermal protection, PTFE self-lubricating and high-abrasive material, and PTFE filter felt is used for the filtration art such as waste incineration, make in woven fabric at PTFE, have and make lax woven fabric about PTFE fiber and be used as Ji Bu and short fiber compound and make non-woven felt, exist about PTFE fiber and glass fiber bundle by making the report of filtration cloth through broadwise.
But because PTFE fiber surface is smooth, coefficient of friction is almost equal to zero, the features such as static behaviour is strong, weave about monofilament PTFE at present and make woven filter cloth and also have not seen reported, the technology of the present invention can make the polytetrafluoroethylene (PTFE) woven filament filter cloth with rock-steady structure, the advantages such as have the brute force can born through broadwise high, filter efficiency is high, and the life-span is long.
Summary of the invention
The object of the application is to overcome the technical problem existed in prior art, and provides a kind of manufacture method of woven filament filter cloth.
The object of the application has been come by following technical solution, a kind of manufacture method of woven filament filter cloth, comprise, it is characterized in that: the described first step: polytetrafluoroethylene (PTFE) monofilament after antistatic treatment is carried out warping, it is electrically superpower that Electrostatic Treatment improves polytetrafluoroethylene (PTFE), improve polytetrafluoroethylene (PTFE) monofilament machinability, guarantee warp tension is even, according to the grain diameter size of filtering and distribution, the requirement of filtering accuracy, filter efficiency and contamination capacity, select twill-weave, carry out denting at direction of warp and weft; Second step: adopt rapier loom weave, speed lower than 200 turns per minute, to ensure that monofilament is normally weaved and do not produce slippage in fabric; 3rd step: woven polytetrafluoroethylene (PTFE) monofilament filter cloth is carried out sizing and calendering process, smooth to ensure woven polytetrafluoroethylwoven woven filter cloth cloth cover, Stability Analysis of Structures, space is evenly distributed.
According to the specific requirement of filter cloth, select different monofilament finenesses, and fabrication process condition, with adapt to this fabric incinerator and coal burning boiler with etc. different application scenario.
Described polytetrafluoroethylene (PTFE) monofilament (300 ~ 500D).
Described through close 35-450 root/10cm, filling density 200 ~ 350/10cm.
Temperature in described sizing 324 DEG C, speed 2m/min.
Described calendering treatment temperature 280 DEG C, pressure 64kgf/cm2, speed 3m/min.
The application compared with prior art, at least has following obvious advantage and effect:
1, the performance characteristics of polytetrafluoroethylene (PTFE) overlay film, Nomex is had concurrently;
2, filter efficiency is also possessed high, wear-resistant, the advantages such as long service life;
3, this filter cloth ultimate strength is greater than 3000N, and elongation at break is greater than 10%, and air penetrability is greater than 2000L/m 2.s.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present application, and form a application's part, the schematic description and description of the application, for explaining the application, does not form the improper restriction to the application.In the accompanying drawings:
Fig. 1 is the morphosis figure of polytetrafluoroethylene (PTFE) woven filament filter cloth.
Detailed description of the invention
For making the object of the application, technical scheme and advantage clearly, below in conjunction with the application's specific embodiment and corresponding accompanying drawing, technical scheme is clearly and completely described.Obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the application's protection.
The invention discloses a kind of thick dawn polytetrafluoroethylene (PTFE) woven filament filter cloth manufacture method.Main technique of the present invention comprises: the polytetrafluoroethylene (PTFE) monofilament (300 ~ 500D) adopting antistatic agent treatment, adopt twill or diversified twill tissue, through close 35-450 root/10cm, filling density 200 ~ 350/10cm, rapier loom is utilized to adopt low speed to weave, sizing and calendering process, manufacture the polytetrafluoroethylene (PTFE) woven filament filter cloth with rock-steady structure.The invention provides and adopt polytetrafluoroethylene (PTFE) monofilament to prepare woven filter cloth method, not only have the performance characteristics of polytetrafluoroethylene (PTFE) overlay film, Nomex concurrently, also possesses filter efficiency high, hole is simple, filtration resistance is little, minimum, the easy cleaning of blocking property and best slag dumping performance, wear-resistant, the advantages such as long service life, are useful in different high temperature and the Acidity of Aikalinity applications such as incinerator and coal burning boiler use.
In the embodiment of the present application,
By polytetrafluoroethylene (PTFE) 400D, adopt florentine drill, upper secret degree is through 400/10cm, latitude 280/10cm, loom speed lower than 200 revs/min, sizing (temperature 324 DEG C, speed 2m/min) shape and calendering process (temperature 280 DEG C, pressure 64kgf/cm2, speed 3m/min), manufacture polytetrafluoroethylene (PTFE) woven filament filter cloth according to this technology.
Shown in Fig. 1, the present invention's " a kind of polytetrafluoroethylene (PTFE) woven filament filter cloth manufacture method " specifically comprises the following steps:
1, polytetrafluoroethylene (PTFE) monofilament (300 ~ 500D) after antistatic treatment is carried out warping, ensure that warp tension is even, twill-weave, through close 35-450 root/10cm, filling density 200 ~ 350/10cm, denting, upper machine.
2, adopt rapier loom weave, speed lower than 200 revs/min, to ensure that monofilament is normally weaved and do not produce slippage in fabric.
3, woven polytetrafluoroethylene (PTFE) monofilament filter cloth is carried out shape (temperature 324 DEG C, speed 2m/min) sizing and calendering process (temperature 280 DEG C, pressure 64kgf/cm2, speed 3m/min), make the uniform woven filter cloth of gap structure.
Table 1 embodiment polytetrafluoroethylene (PTFE) woven filament filter cloth structural behaviour parameter
Polytetrafluoroethylene (PTFE) woven filament filter cloth is prepared by above-mentioned technique, there is Stability Analysis of Structures as shown in Figure 1, this filter cloth ultimate strength is greater than 3000N, elongation at break is greater than 10%, air penetrability is greater than 2000L/m2.s, shows that this filter cloth not only has the performance characteristics of polytetrafluoroethylene (PTFE) overlay film, Nomex concurrently, also possesses powerful high, wear-resistant, the advantages such as long service life.
Wherein, this filter cloth is dynamically filtered dirt initial residual resistance and is less than 40Pa, and stable residual resistance is less than 250Pa, and dynamically filter dirt effect reaches 99.9%, long-time less than 260 degree temperature strong acid and strong base environment are suitable for, be suitable for this fabric incinerator and coal burning boiler with etc. different application scenario.
Rapier loom is the shuttleless loom be most widely used at present, it is except having shuttleless loom high speed, high automation degree, efficient fertile feature, its positive filling insertion way has very strong varietal adaptation, the wefting insertion of all kinds of yarn can be adapted to, in addition rapier loom also has obvious advantage in polychrome latitude is weaved, and can produce the Yarn-dyed fabric of nearly 16 barry dyeing yarns.Along with shuttleless loom replaces fly-shuttle loom, rapier loom will become the main production machine of woven fabric.
The foregoing is only the embodiment of the application, and the title that in the application, parts are got also can be different, do not limit the title in the application.To those skilled in the art, the application can have various modifications and variations.Any amendment done within all spirit in the application and principle, equivalent replacement, improvement etc., within the right that all should be included in the application.

Claims (5)

1. a manufacture method for woven filament filter cloth, comprises, and it is characterized in that: described in
The first step: polytetrafluoroethylene (PTFE) monofilament after antistatic treatment is carried out warping, ensure that warp tension is even, twill-weave, carries out denting at direction of warp and weft;
Second step: adopt rapier loom weave, speed lower than 200 turns per minute, to ensure that monofilament is normally weaved and do not produce slippage in fabric;
3rd step: woven polytetrafluoroethylene (PTFE) monofilament filter cloth is carried out sizing and the uniform woven filter cloth of gap structure is made in calendering process.
2. manufacture method according to claim 1, is characterized in that: described polytetrafluoroethylene (PTFE) monofilament (300 ~ 500D).
3. manufacture method according to claim 1, is characterized in that: described through close 35-450 root/10cm, filling density 200 ~ 350/10cm.
4. manufacture method according to claim 1, is characterized in that: the temperature in described sizing 324 DEG C, speed 2m/min.
5. manufacture method according to claim 1, is characterized in that: described calendering treatment temperature 280 DEG C, pressure 64kgf/cm2, speed 3m/min.
CN201610071974.8A 2016-02-02 2016-02-02 A kind of manufacture method of woven filament filter cloth Active CN105561677B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106638012A (en) * 2017-02-15 2017-05-10 烟台泰普龙先进制造技术有限公司 Filter cloth for candle filter and preparation method thereof
CN109652893A (en) * 2019-01-23 2019-04-19 陕西元丰纺织技术研究有限公司 A kind of polytetrafluoroethylene fibre chemical filtration material
CN109849463A (en) * 2019-04-01 2019-06-07 安徽省太和县众友筛网滤布制造有限公司 A kind of the composite industrial filter cloth and its production method of resistance to deformation
CN111691041A (en) * 2020-06-09 2020-09-22 海宁昱品环保材料有限公司 Antistatic special PTFE base fabric and preparation method thereof
CN114775138B (en) * 2022-01-26 2023-08-22 海宁昱品环保材料有限公司 Preparation process of PTFE (polytetrafluoroethylene) bulked woven cloth

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JP2008133570A (en) * 2006-11-29 2008-06-12 Nippon Filcon Co Ltd Stainproof industrial woven fabric
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CN101716442A (en) * 2008-10-10 2010-06-02 东丽纤维研究所（中国）有限公司 Industrial filtering cloth used for liquid filter and application
CN101869793A (en) * 2010-06-04 2010-10-27 宋朋泽 Polyfluortetraethylene fiber filter material and preparation method thereof
CN102317519A (en) * 2008-12-19 2012-01-11 戈尔企业控股股份有限公司 Ptfe fabric articles and methods of making same
CN103572454A (en) * 2012-08-07 2014-02-12 东丽纤维研究所（中国）有限公司 Fabric with low friction coefficient and application thereof
CN103849988A (en) * 2012-11-29 2014-06-11 东丽纤维研究所（中国）有限公司 Double-layer fabric containing Teflon fiber and application thereof

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Publication number Priority date Publication date Assignee Title
WO2002020886A1 (en) * 2000-09-01 2002-03-14 Xtreme Fibers, Inc. Melt processable perfluoropolymer forms
JP2008133570A (en) * 2006-11-29 2008-06-12 Nippon Filcon Co Ltd Stainproof industrial woven fabric
CN101468270A (en) * 2007-12-25 2009-07-01 上海市凌桥环保设备厂有限公司 Novel high-efficiency, long life and high temperature resistant filtering material
CN101618289A (en) * 2008-07-02 2010-01-06 东丽纤维研究所（中国）有限公司 Industrial filter cloth used for filtering liquid and application
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CN102317519A (en) * 2008-12-19 2012-01-11 戈尔企业控股股份有限公司 Ptfe fabric articles and methods of making same
CN101869793A (en) * 2010-06-04 2010-10-27 宋朋泽 Polyfluortetraethylene fiber filter material and preparation method thereof
CN103572454A (en) * 2012-08-07 2014-02-12 东丽纤维研究所（中国）有限公司 Fabric with low friction coefficient and application thereof
CN103849988A (en) * 2012-11-29 2014-06-11 东丽纤维研究所（中国）有限公司 Double-layer fabric containing Teflon fiber and application thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106638012A (en) * 2017-02-15 2017-05-10 烟台泰普龙先进制造技术有限公司 Filter cloth for candle filter and preparation method thereof
CN106638012B (en) * 2017-02-15 2023-06-27 烟台泰和兴材料科技股份有限公司 Filter cloth for candle filter and production method thereof
CN109652893A (en) * 2019-01-23 2019-04-19 陕西元丰纺织技术研究有限公司 A kind of polytetrafluoroethylene fibre chemical filtration material
CN109849463A (en) * 2019-04-01 2019-06-07 安徽省太和县众友筛网滤布制造有限公司 A kind of the composite industrial filter cloth and its production method of resistance to deformation
CN111691041A (en) * 2020-06-09 2020-09-22 海宁昱品环保材料有限公司 Antistatic special PTFE base fabric and preparation method thereof
CN111691041B (en) * 2020-06-09 2021-07-23 海宁昱品环保材料有限公司 Antistatic special PTFE base fabric and preparation method thereof
CN114775138B (en) * 2022-01-26 2023-08-22 海宁昱品环保材料有限公司 Preparation process of PTFE (polytetrafluoroethylene) bulked woven cloth

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