CN102580400B - Production process for spunlace composite high temperature-resisting and corrosion-resisting filtering material - Google Patents
Production process for spunlace composite high temperature-resisting and corrosion-resisting filtering material Download PDFInfo
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Abstract
The invention relates to a production process for a spunlace composite high temperature-resisting and corrosion-resisting filtering material and belongs to the technical field of a textile filtering material. The production process comprises the following steps that: taking polyphenylene sulfide fibers and fiberglass fabrics as raw materials; checking, weighing and charging the polyphenylene sulfide fibers; charging the polyphenylene sulfide fibers into a long curtain, a horizontal opener, a big-cabin cotton blending box and a refined opener successively; and then carding by using a carding machine I and a carding machine II in a layering mode; placing into a cross lapping machine I and a cross lapping machine II to lap; clamping the fiberglass fabrics between the raw materials delivered by the cross lapping machine I and the cross lapping machine II and performing superposition; and performing the processes of pre-wetting, hydroentangling, dehydrating, drying and taking-up. The production process for the spunlace composite high temperature-resisting and corrosion-resisting filtering material provided by the invention has the advantages of excellent mechanical performance, filtration performance, high temperature-resisting performance, and chemical corrosion-resisting performance and size stability.
Description
Technical field
The present invention relates to the production technology of the corrosion-resistant filtering material of a kind of water thorn complex fire resistant, belong to weaving filtering material technical field.
Background technology
Along with social progress, people's living standard has had significant raising.Yet when bringing wealth in high and new technology, bring more convenient comfortable life, the natural environment band of also depending on for existence to the mankind many problems.The environmental pollution that the useless flue gas of high temperature dust of the discharges such as coal-burning power plant, steel industry, cement chemical industry causes, has brought increasing harm to the mankind's existence and health.China's Eleventh Five-Year Plan plan has proposed to increase substantially the imagination of generating capacity, to capacity of installed generator be brought up to 9.1 hundred million kilowatts at the year two thousand twenty, wherein thermal power generation is 600,000,000 kilowatts, yet the technology and equipment of China in these industries is relatively backward, energy resource consumption is large, environmental pollution is serious, takes high-effective dust-removing equipment imperative.In above-mentioned industry dust removal by filtration, being most widely used of high temperature resistant non-woven filter material, is also a class with the fastest developing speed.Because its structure is that ultimate fibre disperses, space layer is staggered 3-D solid structure, and space is little, and even aperture distribution has the characteristic that efficiency of dust collection is high and resistance is low, and the scope of application is very extensive.For industrial gasses, filter and take high temperature resistant non-woven filter material as main.
The high temperature resistant non-woven filter material of high-performance fiber mainly adopts needling process processing both at home and abroad at present, is compounded to form acupuncture filter material.Research shows, in needling process the puncture of steel needles fibre web of buckle tangle compound, can a large amount of cut staples and strengthen base cloth long filament, cause base cloth inevitably to damage, finally cause filtering material mechanical strength to decline, affect the service life of final filter bag.Meanwhile, domestic because being subject to the impact of Industry Development Level, the high temperature resistant filter felt that generally uses Introduced From Abroad to manufacture, its import price is expensive, is subject to the restriction of Economic Development condition, promotes the use of and is restricted.Therefore it is extremely urgent that exploitation can substitute the work of expensive import filter material and well behaved novel filtering material.
Summary of the invention
The invention provides a kind of mechanical performance, strainability, resistance to elevated temperatures, resistance to chemical corrosion strong, and the production technology of the corrosion-resistant filtering material of the water of dimensionally stable thorn complex fire resistant.
To achieve these goals, the technical solution adopted in the present invention is:
A production technology for the corrosion-resistant filtering material of water thorn complex fire resistant, adopting polyphenylene sulfide fibre and glass base cloth is raw material; The feeding of first polyphenylene sulfide fibre being tested, weighed, feed successively longer curtain, horizontal opener, large storehouse blending box, refined opener, then by carding machine one, carding machine two, carry out layering combing, enter into respectively again on cross lapping machine one, cross lapping machine two and carry out lapping, then glass base cloth is folded in by between the raw material transporting out on cross lapping machine one, cross lapping machine two and carry out superimposedly, then enters successively the operation of prewetting, water thorn operation, dehydration procedure, baking operation, coiling process.
As the further setting of such scheme,
Described carding machine one, main cylinder working roll is 110m/min, main cylinder angle stripper is 150m/min, main cylinder rotating speed 1380 m/min, feeding grammes per square metre is 35 Ke/㎡.
Described carding machine two, main cylinder working roll is 105m/min, main cylinder angle stripper is 145m/min, main cylinder rotating speed 1350 m/min, feeding grammes per square metre is 50 Ke/㎡.
Described cross lapping machine one and cross lapping machine two, its cross lapping number of plies is 6 layers.
Described water thorn operation, its spun-laced machine comprises 7 water jets, each water jet water thorn pressure is set as respectively: 45bar, 110bar, 130bar, 180bar, 190bar, 165bar, 135bar.
Described baking operation, its dryer temperature is controlled at 125 ℃～140 ℃.
The production technology of the corrosion-resistant filtering material of water thorn complex fire resistant of the present invention, raw materials used is glass base cloth and polyphenylene sulfide fibre (PPS), at the compound certain thickness PPS fibre web in the two sides of glass base cloth, through water jet process, this fibrage and base cloth processing is compound.PPS fiber is a kind of high-performance fiber of function admirable, at high temperature there is good intensity, rigidity and fatigue durability, its chemical resistance is extremely strong, can resist the corrosion of various chemicals, therefore just make this composite filter material of producing applicable to various complex environments, can filter the high-temperature gas of character complexity.
Meanwhile, when water acupuncture manipulation is reinforced this composite, in water thorn process, fiber is by the puncture effect of high-pressure injection current and mutually tangle.Result causes rearranging and mutually tangling of fiber, has realized the reinforcing to fibre web.Fiber is always pushed away under the effect in waterpower with the simplest path to draw along the direction of current.Space between fiber is moved and inserts fibre bundle, and fibre web evenly and is not damaged by mechanical external force.Do not have mechanical damage can effectively stop grit to pass through fluffy filter medium, impel the barrier properties of material to improve.
This water jet process and the thinner fiber that can be used for this kind of technique, make only to stay very tiny perforate on non-weaving cloth.This makes filter medium have higher air penetrability and compares with numerous needled conventionallies or fabric filtration medium to have identical even better filter efficiency.Hydro-entangled non-woven fabric surface is better with cross section uniformity, hole more closely, better, the less perforated area controlled of pore-size distribution and there is no penetrating hole.
Innovative point of the present invention is mainly the apolegamy of raw material and the innovation of production technology.
1, novelty selects PPS (polyphenylene sulfide) high-performance fiber as the raw material of water jet process, study the Technological adaptability of physicochemical property, structure, one-tenth net and the reinforcing of this fiber, adapting to efficient high-speed combing produces, improve the entanglement effect of water thorn to fiber, the mechanical strength of water thorn composite filter material is significantly improved, guarantee that final products have good mechanical performance, strainability, chemical resistance and dimensional stability etc., meet the requirement of bag-type dusting filtering technique.
2, the water of novelty thorn technology processing composite filter material
Traditional fire resistant filter material all adopts needling process processing, this new product adopts water jet process processing, and high pressure liquid drugs injection penetrates after fibre web and base cloth, in drum surface, forms bounce-back, at liquid drugs injection, directly impact and reflect under the double action of liquid drugs injection, form fibre web and the base cloth composite construction that closely tangles.Compare with needling process, the flexibility of water jet process is tangled the strength retention of base cloth and fiber in composite filtering material is enhanced, thus the brute force of the final products that improve.The distinctive this performance of water jet process and the thinner fiber that can be used for this kind of technique, make only to stay very tiny perforate on non-weaving cloth.This makes filter medium have higher air penetrability and compares with needled conventionally filter medium to have identical even better filter efficiency.Meanwhile, water thorn filter medium can be saved fiber 10%～15%.
According to the performance requirement of bag-type dusting filtering material, this product, in existing energy-efficient water jet process technology and water jet process water circular treatment technical foundation, has also adopted following these key technologies.
1, adopt the oil formula that can improve carding and the adaptive PPS high-performance fiber of Hydroentangled reinforcement process.
PPS belongs to chemical fibre, and its regain is very low, in shredding, carding process, between fiber, between fiber and shredding equipment, can produce electrostatic effect, affects shredding combing shredding effect.If can not well prewet fibre web in water thorn process, can affect the entanglement effect of fiber in product.Therefore to select suitable oil formula to carry out pretreatment to fiber, make fiber there is certain hydrophily, improve the shredding carding effect of fiber, reach good entanglement effect.
2, novel spun-laced entanglement composite technology
Tradition water jet process is mainly used in reinforcing 30g/m
2～80g/m
2the low grammes per square metre hydro-entangled non-woven fabric such as health care, wet tissue.According to the product performance of this project water thorn composite filter material, the grammes per square metre that its high-performance fiber filters surface layer has surpassed 150g/m
2, so its Hydroentangled composite technology is obviously different from traditional water thorn.
For the thick fibre web of the contour performance fibers of PPS tangle and with strengthen composite for base fabric, product adopts high-pressure water-jet entanglement composite technology.High efficiency energy saving type high pressure jet head, the water jet inner-cavity structure of employing optimal design, eliminates the eddy current producing in water jet system cavate, reduces energy loss, guarantees that water jet system lateral current is uniformly distributed simultaneously; Adopt the pass of the water spray plate hole for water spraying of optimal design, improve the convergence of water jet, guarantee the impact energy of water jet, with less discharge, reach good fibre web entanglement effect, reach energy-conservation target.The adjustable exhaust inlet of spun-laced machine dewatering box and rotary drum bounce-back winding device, guarantee rebound effect and even swabbing action on the whole working width of rotary drum, make fibre web can effectively absorb liquid drugs injection energy, under lower hydraulic condition, effective entanglement fibre web also makes fibre web compound with the entanglement of enhancing base cloth, reaches energy-efficient object.
3, water thorn composite filter material material uniformity control technology
The gap of non-woven final products fibre net homogeneity is larger, is mainly reflected on output and fabric quality.Product adopts advanced self-regulating technology, carding machine, cross lapping and final products grammes per square metre are detected and linked together, form the closed-loop system that a comprehensive automation is controlled, all the time detect in process of production the fibre web uniformity, detect data feedback to computer, by computer control, changed the technological parameter of lapping machine and carding machine, auto-compensation is adjusted fibre net homogeneity, thereby guarantees the uniformity of final water thorn composite filter material material.
4, novel rear finishing duplex technology
The fibre web surface hairiness that water jet process processes is many, is unfavorable for reaching some good performances of final high temperature resistant filtering product, such as deashing property, Anti-dew and the decay resistance etc. of product.Therefore will carry out post processing to product surface, in last handling process, product be taked to the one side processing of singing, final products smooth surface, reaches the effect of Anti-dew, easy-to-clean ash, good corrosion resistance.
The specific embodiment
The production technology of the corrosion-resistant filtering material of water thorn complex fire resistant of the present invention, adopting polyphenylene sulfide fibre and glass base cloth is raw material; The feeding of first polyphenylene sulfide fibre being tested, weighed, feed successively longer curtain, horizontal opener, large storehouse blending box, refined opener, then by carding machine one, carding machine two, carry out layering combing, enter into respectively again on cross lapping machine one, cross lapping machine two and carry out lapping, then glass base cloth is folded in by between the raw material transporting out on cross lapping machine one, cross lapping machine two and carry out superimposedly, then enters successively the operation of prewetting, water thorn operation, dehydration procedure, baking operation, coiling process.
Wherein, carding machine one, main cylinder working roll is 110m/min, main cylinder angle stripper is 150m/min, main cylinder rotating speed 1380 m/min, feeding grammes per square metre is 35 Ke/㎡.
Carding machine two, main cylinder working roll is 105m/min, main cylinder angle stripper is 145m/min, main cylinder rotating speed 1350 m/min, feeding grammes per square metre is 50 Ke/㎡.
Cross lapping machine one and cross lapping machine two, its cross lapping number of plies is 6 layers.
Water thorn operation, its spun-laced machine comprises 7 water jets, each water jet water thorn pressure is set as respectively: 45bar, 110bar, 130bar, 180bar, 190bar, 165bar, 135bar.
Baking operation, its dryer temperature is controlled at 125 ℃～140 ℃.
Now produce three kinds of products are carried out respectively to mass area ratio, thickness, brute force, elongation and gas permeability etc. and test, test result is as shown in following each table.
Table 1 product property indices test result
Sample 1: each product of two sides water thorn; Sample 2: front water thorn three times, twice of reverse side water thorn; Sample 3: twice of each water thorn of tow sides.
Each test result is the mean value of repeatedly measuring above.
By above-mentioned test result, be not difficult to find out, the mass area ratio of the corrosion-resistant filtering material product of water thorn complex fire resistant of producing is 800g/m
2; Thickness is all less than 2mm; Air penetrability is all greater than 60%; More than longitudinally brute force has all reached 1000N; More than laterally brute force has reached 600N; Vertical transverse extension is all below 25%.
By these test datas, can be found out, the corrosion-resistant filtering material product of water thorn complex fire resistant of producing has reached filtering product standard, can be good at meeting filtration needs.
The present invention is the manufacture for compound PPS high-performance fiber filtering material by water thorn technology, the draw point that the flexibility entanglement complex technique of water thorn efficiently solves buckle in general acupuncture technique is to the inevitable damage problem of base cloth long filament, broken through a large amount of bottleneck constraints of cutting off long filament and causing filter bag mechanical strength to decline in acupuncture recombination process, compound rear base cloth strength retention reaches more than 98%.
Above-described embodiment is only for the inventive concept of the present invention of explaining, but not restriction to rights protection of the present invention, allly utilizes this design to carry out the change of unsubstantiality to the present invention, all should fall into protection scope of the present invention.
Claims (1)
1. a production technology for the corrosion-resistant filtering material of water thorn complex fire resistant, is characterized in that: adopting polyphenylene sulfide fibre and glass base cloth is raw material; The feeding of first polyphenylene sulfide fibre being tested, weighed, feed successively longer curtain, horizontal opener, large storehouse blending box, refined opener, then by carding machine one, carding machine two, carry out layering combing, enter into respectively again on cross lapping machine one, cross lapping machine two and carry out lapping, then glass base cloth is folded in by between the raw material transporting out on cross lapping machine one, cross lapping machine two and carry out superimposedly, then enters successively the operation of prewetting, water thorn operation, dehydration procedure, baking operation, coiling process;
Described carding machine one, main cylinder working roll is 110m/min, main cylinder angle stripper is 150m/min, main cylinder rotating speed 1380m/min, feeding grammes per square metre is 35 Ke/㎡;
Described carding machine two, main cylinder working roll is 105m/min, main cylinder angle stripper is 145m/min, main cylinder rotating speed 1350m/min, feeding grammes per square metre is 50 Ke/㎡;
Described cross lapping machine one and cross lapping machine two, its cross lapping number of plies is 6 layers;
Described water thorn operation, its spun-laced machine comprises 7 water jets, each water jet water thorn pressure is set as respectively: 45bar, 110bar, 130bar, 180bar, 190bar, 165bar, 135bar;
Described baking operation, its dryer temperature is controlled at 125 ℃～140 ℃.
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| CN102580400B true CN102580400B (en) | 2014-03-26 |
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Families Citing this family (8)
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| CN103847218A (en) * | 2012-12-07 | 2014-06-11 | 宜兴市杰高非织造布有限公司 | Special geotechnical cloth production system for high-speed rail |
| CN103877788B (en) * | 2012-12-24 | 2016-04-06 | 厦门三维丝环保股份有限公司 | A kind of without base cloth PPS water thorn felt filter material and preparation method thereof |
| CN104711758A (en) * | 2015-03-18 | 2015-06-17 | 浙江和中非织造股份有限公司 | Production process for new sound absorption and noise reduction automotive interior spunlace non-woven material |
| CN104958955B (en) * | 2015-06-03 | 2017-03-01 | 江苏新中环保股份有限公司 | A kind of production method of bag-type dusting filtrate |
| CN105040274B (en) * | 2015-06-29 | 2017-10-03 | 威尔克工业纺织（嘉兴）有限公司 | The dedusting fire-retardant polyphenylene sulfide base fabric of permanent seal cooling |
| CN108434863A (en) * | 2018-04-02 | 2018-08-24 | 浙江富瑞森水刺无纺布有限公司 | Corrosion-resistant high grammes per square metre spun lacing filtrate and its preparation process |
| CN113463272A (en) * | 2020-03-12 | 2021-10-01 | 安徽中电环保材料股份有限公司 | Production process of efficient corrosion-resistant filter material |
| CN114734697B (en) * | 2022-03-19 | 2023-12-08 | 晋江市港益纤维制品有限公司 | Manufacturing process of gauze middle base fabric |
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| CN101113552A (en) * | 2007-08-23 | 2008-01-30 | 绍兴县和中合纤有限公司 | Processing technology of biodegradable spunlace medical and sanitary non-woven material |
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Effective date of registration: 20171031 Address after: Xialv town Keqiao District 312026 of Zhejiang Province, Shaoxing City, Xia Dong Cun Patentee after: Zhejiang Baoren non-woven products Co. Ltd. Address before: Shaoxing County, Zhejiang province 312026 Shaoxing Xialv Town Industrial Park of Zhejiang and Limited by Share Ltd in Nonwovens Patentee before: Zhejiang Hezhong Nonwoven Co., Ltd. |
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Address after: 312000 Xia Dong village, summer town, Keqiao District, Shaoxing, Zhejiang Patentee after: Zhejiang Baoren Hezhong Technology Co., Ltd Address before: Xialv town Keqiao District 312026 of Zhejiang Province, Shaoxing City, Xia Dong Cun Patentee before: Zhejiang Baoren non-woven products Co. Ltd. |