CN107268130B - Filter cloth and production process thereof - Google Patents
Filter cloth and production process thereof Download PDFInfo
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- CN107268130B CN107268130B CN201610221043.1A CN201610221043A CN107268130B CN 107268130 B CN107268130 B CN 107268130B CN 201610221043 A CN201610221043 A CN 201610221043A CN 107268130 B CN107268130 B CN 107268130B
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- filter cloth
- yarn
- production technology
- weaving
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- 239000004744 fabric Substances 0.000 title claims abstract description 72
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 239000000835 fiber Substances 0.000 claims abstract description 36
- 229920001707 polybutylene terephthalate Polymers 0.000 claims abstract description 23
- -1 polybutylene terephthalate Polymers 0.000 claims abstract description 19
- 238000003490 calendering Methods 0.000 claims abstract description 13
- 238000009941 weaving Methods 0.000 claims abstract description 12
- 238000001035 drying Methods 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 239000004952 Polyamide Substances 0.000 claims description 15
- 238000005516 engineering process Methods 0.000 claims description 15
- 229920002647 polyamide Polymers 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 239000002893 slag Substances 0.000 claims description 4
- 230000006855 networking Effects 0.000 claims description 3
- 230000008520 organization Effects 0.000 claims description 3
- 230000035699 permeability Effects 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 abstract description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 abstract description 6
- 238000002156 mixing Methods 0.000 abstract description 4
- 238000007493 shaping process Methods 0.000 abstract description 2
- 229920006052 Chinlon® Polymers 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 abstract 1
- 238000007598 dipping method Methods 0.000 abstract 1
- 238000009998 heat setting Methods 0.000 abstract 1
- 238000002791 soaking Methods 0.000 abstract 1
- 238000001914 filtration Methods 0.000 description 8
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 239000000706 filtrate Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 239000004734 Polyphenylene sulfide Substances 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 229920000069 polyphenylene sulfide Polymers 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229920004933 Terylene® Polymers 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920006264 polyurethane film Polymers 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
- D02G3/045—Blended or other yarns or threads containing components made from different materials all components being made from artificial or synthetic material
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02H—WARPING, BEAMING OR LEASING
- D02H3/00—Warping machines
-
- 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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
-
- 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
- D06C15/02—Calendering, pressing, ironing, glossing or glazing textile fabrics between co-operating press or calender rolls
-
- 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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/244—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of halogenated hydrocarbons
- D06M15/256—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of halogenated hydrocarbons containing fluorine
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/34—Polyamides
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/40—Reduced friction resistance, lubricant properties; Sizing compositions
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2505/00—Industrial
- D10B2505/04—Filters
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Dispersion Chemistry (AREA)
- Filtering Materials (AREA)
- Woven Fabrics (AREA)
Abstract
The invention discloses a filter cloth and a production process thereof, and the key points of the technical scheme are as follows: firstly, blending: selecting high-quality chinlon FDY yarns and polybutylene terephthalate fibers, and blending the two fibers into yarns serving as raw materials for weaving filter cloth; secondly, dipping: soaking the blended yarn in a polytetrafluoroethylene solution for 1-2 h; thirdly, drying; fourthly, warping: the tension of each monofilament is uniform, the warping speed is 200-220m/min, and the tension is 15-25 kg/ring; fifthly, head passing; sixthly, netting: weaving the net according to a fabric weave diagram, wherein the filter cloth weave structure is 8 healds, the weaving warp density is 95-160/cm, and the weft density is 90-150/cm; seventhly, shaping: the filter cloth after the net formation is output after being subjected to heat setting in a temperature range of 150 ℃ with 125-; eighthly, calendering: and performing high-temperature calendering twice. The filter cloth prepared by the production process of the filter cloth has good wear resistance and durability.
Description
Technical field
The present invention relates to a kind of clothes, more specifically, it relates to a kind of filter cloth and its production technology.
Background technique
Industrial development significantly improves the material life of people, but the exhaust gas contaminated wastewater that industrial production generates
Environment has become problem anxious to be resolved in the world.In order to preferably develop production while protect and improving environment, in the last hundred years
Countries in the world have carried out many effort and practice in terms of the control of environmental pollution, and achieve very big effect.
Entire filtration market is fast-developing, Fibre Filter Products answering in contamination control and environmental improvement
With more and more extensive.Filter cloth materials are filtering separation device " hearts ", be determine separating effect pith, chemical industry,
It is played a very important role in the industries such as medicine, metallurgy, food.But due to the work material nature difference of different industries
Greatly, the use environment of filter cloth is complicated, this just determines the uncertainty and complexity of the selection of filter cloth materials under different condition.Work
The development trend of industry filtering mainly under the premise of improving filter efficiency, reduces production cost, raising intensity and extends using
Service life and it is easy to post-process.Existing filter cloth is made of using terylene and polypropylene fibre as raw material mostly, and this filter cloth is applied to coal
In the industries such as charcoal, cement mineral products, on the surface of filtering such as ore etc when harder coarse solid, the surface of filter cloth and these
Filtrate is easily worn when contacting, and the corner angle of these filtrate surface bulges are also easy to puncture into will filter in the filter opening of filter cloth
Hole support is big, leads to the damage of filter cloth.
Summary of the invention
In view of the deficienciess of the prior art, the first purpose of this invention is to provide a kind of production technology of filter cloth,
Filter cloth wearability height, the density height woven by this technique, is not easy to be worn and pierce through.
Above-mentioned technical purpose of the invention has the technical scheme that a kind of production technology of filter cloth,
It is characterized by:
One, blended: good polyamide fibre FDY and polybutylene terephthalate (PBT) fiber to be chosen, by above two fiber
Mixed spun yarn, the raw material as weaving filter cloth；
Two, impregnate: the yarn after will be blended is immersed in 1-2h in polytetrafluoroethylsolution solution；
Three, dry: yarn being straightened, is dried through baking oven, the moisture on yarn is removed, drying temperature is 120-180 DEG C；
Four, warping: the even tension of every monofilament is consistent, speed of beaming 200-220m/min, tension 15-25kg/
Ring；
Five, it passs head: according to fabric drafting plan, it is comprehensive that 1-8 root warp successively being penetrated into 1-8；
Six, knitmesh: knitmesh is carried out according to fabric organization chart, filter cloth institutional framework is 8 comprehensive, and weaving is 95/cm through density
- 160/cm, weft density is 90/cm -150/cm, and weaving process middle longitude, weft density are uniform, and wire side is smooth, without disconnected
Through, without staplings, without return nose；
Seven, it is formed: the filter cloth after networking is successively passed through into 125-150 DEG C of warm area, 250-300 DEG C of warm area and 100-110 DEG C
It is exported after warm area thermal finalization；
Eight, calendering: passing through high temperature calendering twice, so that filter cloth air permeability reduction is reached two-sided smooth, holds in use
Easy slag dumping.
By using above-mentioned technical proposal, by FDY, polyamide fibre and polybutylene terephthalate (PBT) fiber blend at yarn,
Polyamide fibre has preferable wearability and a durability, and its high mechanical strength, and polybutylene terephthalate (PBT) fiber have compared with
Good toughness and fatigue durability, after the two is mutually blended, while having preferable wearability, fatigue durability is also preferable, no
Non-response elastic deformation easily occurs；Since the liquid in the filtrate that is filtered generally all has certain corrosivity,
During being filtered work, yarn will be immersed in these liquid filter cloth, and under the gravity of filtrate
A degree of elastic deformation can occur, so being easy to be denaturalized because of corrosion, to be easier to be worn；Polytetrafluoroethyl-ne
Alkene corrosion resistance with higher and self-lubricating property, yarn is immersed in polytetrafluoroethylsolution solution, polytetrafluoroethylene (PTFE) is made
In the yarn, the yarn after drying has stronger corrosion resistance for uniform infiltration, occurs to reduce yarn because of corrosion
The probability of abrasion；And the filter cloth surface of this yarn weaving of use out is more smooth, is not easy dry slag, easy discharging improves filter cloth
Service life；Dry temperature is 120-180 DEG C, be due to temperature lower than 120 DEG C when, rate of drying is slower, working efficiency compared with
It is low, and temperature be higher than 180 DEG C when, yarn deforms vulnerable to heat.
The present invention is further arranged to: the mass percent of polyamide fibre FDY described in step 1 thread is 85%-95%, described poly-
The mass percent of mutual-phenenyl two acid bromide two alcohol ester's fiber is 5%-15%.
By using above-mentioned technical proposal, the mass percent of polyamide fibre accounts for the overwhelming majority, and such yarn is based on Polyamide Yarns
Body, to guarantee that yarn has preferable wear-resisting property, and polybutylene terephthalate (PBT) fiber is for improving the resistance to tired of yarn
Labor characteristic makes yarn be able to maintain preferable recovery when elastic deformation occurring during the filtration process, can reply after the completion of filtering
To natural length, it is unlikely to deform filter cloth.
The present invention is further arranged to: the tension of step 6 middle longitude is 0.25cN/dtex-0.35cN/dtex.
By using above-mentioned technical proposal, warp thread and weft yarn keep certain tension during woven, make selvedge portion
Warp thread be straightened, avoid the occurrence of phenomena such as weft yarn is hung on warp thread, loom caused to stop；And tension is when being more than 0.35cN/dtex, warp
The pulling force that yarn is subject to is excessive, and Yi Fasheng fluffiness declines fabric quality.
The present invention is further arranged to: the cover factor of step 6 middle longitude and weft is 1800-2200.
By using above-mentioned technical proposal, the density of filter cloth is high, is not easy to be pierced during the filtration process, keeps filter opening not
It easily deforms, reduces the probability that filter cloth is damaged because filter opening is stretched, improve the service life of filter cloth.
The present invention is further arranged to: upper roller temperature is 130-195 DEG C in step 8, and the temperature of middle pressure roller is 80-100
DEG C, the temperature of lower compression roller is 130-195 DEG C.
Second object of the present invention is to provide a kind of filter cloth, uses above-mentioned production technology to weave, have
Wearability is good, density is high, is not easy the advantages that being worn and piercing through.
Above-mentioned technical purpose of the invention has the technical scheme that a kind of filter cloth, by above-mentioned technology
Production technology described in scheme is weaved.
Compared with prior art the invention has the following advantages that since the warp and weft of high density filter cloth of the invention are equal
Using Polyamide Yarns, wearability and durability are preferable, are not easy to be corroded and pierce through, long service life.
Detailed description of the invention
Fig. 1 is flow sheet of the invention；
Fig. 2 is fabric drafting plan of the invention；
Fig. 3 is fabric structure figure of the invention.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention will be described in detail.
A kind of embodiment one: production technology of filter cloth, comprising the following steps:
One, blended: good polyamide fibre FDY and polybutylene terephthalate (PBT) fiber to be chosen, by above two fiber
Mixed spun yarn, the raw material as weaving filter cloth；The mass percent that polyamide fibre is FDY be 85%-95%, preferably 90%, gather to benzene
The mass percent of dioctyl phthalate butanediol ester fiber be 5%-15%, preferably 10%；Wear resistance and durability after blended is all
It is good, and there are preferable fatigue-resistance characteristics；It can also be by Polyamide Yarns, polybutylene terephthalate (PBT) fiber in blending process
With these three fiber blends of polyphenylene sulfide fibre at yarn, the mass percent that polyamide fibre is FDY be 80%-90%, preferably 85%,
The mass percent of polybutylene terephthalate (PBT) fiber be 5%-10%, preferably 8%, the quality percentage of polyphenylene sulfide fibre
Than for 5%-10%, preferably 7%；Since polyphenylene sulfide fibre has high thermal stability, characteristic resistant to high temperature can make to filter
Cloth also has preferable endurance under the working environment of high temperature, to improve the service life of filter cloth；In blending process also
Can be by Polyamide Yarns, polybutylene terephthalate (PBT) fiber and these three fiber blends of Fang Lun monofilament at yarn, FDY, polyamide fibre
Mass percent be 80%-90%, preferably 85%, the mass percent of polybutylene terephthalate (PBT) fiber is 5%-10%,
Preferably 7%, the mass percent of aramid fiber is 5%-10%, preferably 8%；Due to fragrant human relations have high intensity, toughness and
Anti-aging property is unlikely to deform yarn during the filtration process to improve the intensity of yarn, improves durability and makes
Use the service life.
Two, impregnate: the yarn after will be blended is immersed in 1-2h in polytetrafluoroethylsolution solution, soaks polytetrafluoroethylene (PTFE) uniformly
Moisten yarn, forms polytetrafluoroethylene film layer on the surface of yarn, improve the corrosion resistance and self-lubrication of yarn.
Three, dry: yarn being straightened, is dried through baking oven, removes the moisture on yarn, drying temperature is 120-180 DEG C, excellent
It is selected as 160 DEG C；Yarn is straightened in drying process, is to improve drying efficiency to allow the moisture in yarn quickly to ooze out；Dry
In dry process, yarn is penetrated by one end of baking oven, and the other end is pierced by, and is equipped with reel in the exit of baking oven, and yarn is pierced by
Its end is fixed on reel afterwards, the dry yarn completed is wound on reel, the speed of rate of drying and winding is regulated
Degree is realized and is wound while dry, and working efficiency is improved.
Four, warping: the even tension of every monofilament is consistent, speed of beaming 200-220m/min, preferably 210 m/
Min, tension are 15-25kg/ ring, preferably 20 kg/ rings.
Five, it passs head: according to fabric drafting plan, it is comprehensive that 1-8 root warp successively being penetrated into 1-8；
Six, knitmesh: knitmesh is carried out according to fabric organization chart, filter cloth institutional framework is 8 comprehensive, and weaving is 95/cm through density
- 160/cm, preferably 140/cm, weft density are 90/cm -150/cm, preferably 125/cm warp and weft
Cover factor is 1800-2200, preferably 2000；It should be noted that cover factor is used+
It indicates, density is warp density by measuring fabric center portion and weft density to calculate cover factor, is weaved
Journey middle longitude, weft density are uniform, and wire side is smooth, return nose without disconnected warp, without staplings, nothing；During woven, the tension of warp
For 0.25cN/dtex-0.35cN/dtex, preferably 0.3cN/dtex, avoid avoiding the occurrence of phenomena such as weft yarn is hung on warp thread,
Loom is caused to stop.
Seven, it is formed: the filter cloth after networking is successively passed through into 125-150 DEG C of warm area, 250-300 DEG C of warm area and 100-110 DEG C
It is exported after warm area thermal finalization, preferably successively passes through 140 DEG C of warm areas, 280 DEG C of warm areas and 110 DEG C of warm areas；After shaping process
Filter cloth, fabric is more uniform, is not susceptible to shrink in use.
Eight, overlay film: elastic polyurethane film is coated on the filter cloth after sizing, and is dried.Polyurethane has good
Toughness, wearability and resistance to ag(e)ing, the surface coated in filter cloth can greatly improve the wear-resisting property and service life of filter cloth.
Nine, calendering: passing through high temperature calendering twice, so that filter cloth air permeability reduction is reached two-sided smooth, holds in use
Easy slag dumping, during calendering, upper roller temperature is 130-195 DEG C, and preferably 170 DEG C, the temperature of middle pressure roller is 80-100 DEG C,
Preferably 90 DEG C, the temperature of lower compression roller is 130-195 DEG C, preferably 170 DEG C, the filter cloth first calendering between upper pressure roller and middle pressure roller
Afterwards, then pressure roller and lower compression roller calendering in passing through, after high temperature calendering twice, filter cloth reaches two-sided smooth requirement；Through calendering operation
Filter cloth afterwards carries out to come into operation after reasonable spelling is cut as required.
Embodiment two: a kind of filter cloth is prepared by the production technology of above-mentioned filter cloth.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of production technology of filter cloth, it is characterised in that:
One, blended: good polyamide fibre FDY and polybutylene terephthalate (PBT) fiber to be chosen, by above two fiber blend
Raw material at yarn, as weaving filter cloth；
Two, impregnate: the yarn after will be blended is immersed in 1-2h in polytetrafluoroethylsolution solution；
Three, dry: yarn being straightened, is dried through baking oven, the moisture on yarn is removed, drying temperature is 120-180 DEG C；
Four, warping: the even tension of every monofilament is consistent, speed of beaming 200-220m/min, and tension is 15-25kg/ ring；
Five, it passs head: according to fabric drafting plan, it is comprehensive that 1-8 root warp successively being penetrated into 1-8；
Six, knitmesh: knitmesh is carried out according to fabric organization chart, filter cloth institutional framework is 8 comprehensive, and weaving is 95/cm -160 through density
Root/cm, weft density are 90/cm -150/cm, and weaving process middle longitude, weft density are uniform, and wire side is smooth, the disconnected warp of nothing,
No staplings, nothing return nose；
Seven, it is formed: the filter cloth after networking is successively passed through into 125-150 DEG C of warm area, 250-300 DEG C of warm area and 100-110 DEG C of warm area
It is exported after thermal finalization；
Eight, calendering: passing through high temperature calendering twice, so that filter cloth air permeability reduction is reached two-sided smooth, is easy to unload in use
Slag.
2. a kind of production technology of filter cloth according to claim 1, it is characterised in that: polyamide fibre FDY described in step 1 thread
Mass percent be 85%-95%, the mass percent of the polybutylene terephthalate (PBT) fiber is 5%-15%.
3. a kind of production technology of filter cloth according to claim 1, it is characterised in that: the tension of step 6 middle longitude is
0.25cN/dtex-0.35cN/dtex。
4. a kind of production technology of filter cloth according to claim 1, it is characterised in that: the cloth of step 6 middle longitude and weft
Face coverage coefficient is 1900-2200.
5. a kind of production technology of filter cloth according to claim 1, it is characterised in that: upper roller temperature is in step 8
130-195 DEG C, the temperature of middle pressure roller is 80-100 DEG C, and the temperature of lower compression roller is 130-195 DEG C.
6. a kind of filter cloth, it is characterised in that: the production technology described in claim 1 to 5 any one is made.
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| CN107268130B true CN107268130B (en) | 2019-07-23 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN110512334A (en) * | 2019-08-23 | 2019-11-29 | 浦城正大生化有限公司 | A kind of filter cloth and its preparation method and application |
| CN113151956B (en) * | 2020-11-16 | 2022-07-08 | 浙江严牌过滤技术股份有限公司 | Production method of polyamide monofilament filter cloth with stable size |
| CN115874333A (en) * | 2022-07-20 | 2023-03-31 | 江苏三元环保科技有限公司 | Manufacturing process of dust removal filter material |
| CN115976705A (en) * | 2022-07-28 | 2023-04-18 | 灵氟隆新材料科技江苏有限公司 | Preparation method of filter material resistant to high-temperature hydrolysis |
| CN115434086A (en) * | 2022-09-13 | 2022-12-06 | 安徽巨创化纤科技有限公司 | Impregnating equipment for filter cloth production |
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| JPH06104172B2 (en) * | 1988-09-06 | 1994-12-21 | 帝人株式会社 | ▲ Ro ▼ |
| CN102242461A (en) * | 2011-06-13 | 2011-11-16 | 江苏菲特滤料有限公司 | Fabrication method of antistatic dedusting filter cloth |
| CN104514069A (en) * | 2014-11-27 | 2015-04-15 | 安徽省太和县众友筛网滤布制造有限公司 | Production technology for high-temperature-resistant industrial filter cloth |
| CN104511209A (en) * | 2014-11-27 | 2015-04-15 | 安徽省太和县众友筛网滤布制造有限公司 | Industrial filter cloth production process |
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2016
- 2016-04-08 CN CN201610221043.1A patent/CN107268130B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH06104172B2 (en) * | 1988-09-06 | 1994-12-21 | 帝人株式会社 | ▲ Ro ▼ |
| CN102242461A (en) * | 2011-06-13 | 2011-11-16 | 江苏菲特滤料有限公司 | Fabrication method of antistatic dedusting filter cloth |
| CN104514069A (en) * | 2014-11-27 | 2015-04-15 | 安徽省太和县众友筛网滤布制造有限公司 | Production technology for high-temperature-resistant industrial filter cloth |
| CN104511209A (en) * | 2014-11-27 | 2015-04-15 | 安徽省太和县众友筛网滤布制造有限公司 | Industrial filter cloth production process |
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