A kind of inorfil is combined woven filtrate with organic fiber
Technical field
The utility model is related to a kind of Environmental-protecting dust-removing filtering material of industrial fumes filtering, especially a kind of using inorganic
Fiber is primary raw material with organic fiber, and the high-precision inorfil being made up of woven method is combined woven with organic fiber
Filtrate.
Background technology
Environmental Protection in China situation is increasingly severe, the serious conditions for persistently occurring haze besieged city in recent years.Industrial dust is haze
Main reason, control is very urgent.It is national to have put into effect some policies, control soot emissions and improvement air in succession
Pollution, is specifically included《" 12 " energy-conserving and environment-protective industrial development planning》、《Ten measures of prevention and control of air pollution》、《Atmosphere pollution
Prevent and treat action plan》、《The cement industry atmosphere pollutants emission standardses of GB4915-2013》Etc. policy and measure.Industrial production
Pollutant mainly have flue dust, SO2、SO3、NOx、CO2、N2And some other harmful substances, heavy metal etc., due to operating mode
It is different its each the characteristics of be also not quite similar.
With frequently occurring for haze weather, society is triggered to the growing interest of industrial fumes emission reduction, industrial fumes work
Turn into limit row, emission reduction object for haze weather main " arch-criminal ".The industry such as steel, chemical industry, cement is quick in support national economy
While development, serious environmental pollution is also brought, is one of primary discharge source of industrial fumes, is domestic pollution emission reduction
Major fields.Major pollutants are carbon dioxide, sulfur dioxide and nitrogen oxide, fluoride, powder during all types of industries is produced
The materials such as dirt, are characterized in that waste gas has certain corrosivity, the light thin harmfulness of dust is big.Therefore, it is weight that industrial fumes, which are administered,
In it is weight.
The high temperature filtrate that current industrial smoke filtering industry sack cleaner is used is broadly divided into organic fiber and inorganic
The big classification of fiber two, two types of fibers respectively has advantage and disadvantage.Wherein organic fiber filtrate mainly exists in non-woven filtrate form, bag
Include the acupunctures such as PTFE, P84, aramid fiber, PSA fiber, PPS, acrylic, polypropylene fibre, polyamide fibre or spun lacing lacing felt filter material etc..Above-mentioned filtrate is all
Belong to non-woven filtrate, be the non-woven felt class filtrate using acupuncture or spun lacing processing technology processing procedure, one is acupuncture lacing felt filter material base
Layer of cloth causes strength to decline due to needle stick injuries, and rapid wear is used for a long time than relatively low, poor dimensional stability in the tensile strength of filtrate
It is bad;Two be that after such filtrate is used for a long time, dust blocks filtrate easily in filtrate building up inside, directly results in system resistance
Power is raised, and influences the normal operation of dust pelletizing system, or even influence being normally carried out for production.
Utility model content
Be present filtrate for the industrial fumes filtering existing high temperature filtering material of industry and easily block in the utility model, filter
The problems such as material strength is relatively low, SR is higher, by the effectively combination of the advantage of inorfil and organic fiber, there is provided a kind of strength
Height, heat-proof corrosion resistant, cost are low, the high-precision inorfil of service life length and organic fiber are combined woven filtrate.
A kind of inorfil and organic fiber are combined woven filtrate, including inorfil and organic fiber machine-woven fabric layer, poly-
Tetrafluoroethene impregnation process layer, polytetrafluorethylecoatings coatings, polytetrafluoroethylmicroporous microporous membrane;The inorfil and organic fiber machine
The top and bottom of nonwoven fabric layer are followed successively by polytetrafluoroethylene (PTFE) impregnation process layer, polytetrafluorethylecoatings coatings, polytetrafluoroethylmicroporous microporous membrane institute
It is double-decker that inorfil, which is stated, with organic fiber machine-woven fabric layer.
Preferably, the inorfil and organic fiber machine-woven fabric layer thickness are 0.6-0.9mm, the polytetrafluoroethylene (PTFE) leaching
Stain process layer thickness is 20-30 μm, and the thickness of the polytetrafluorethylecoatings coatings is 50-200 μm, the polytetrafluoroethylene (PTFE) micropore
Film thickness is 10-30 μm.
Preferably, the double-decker is diclinic line or satin weave.
Preferably, covered between the polytetrafluorethylecoatings coatings and polytetrafluoroethylmicroporous microporous membrane by high temperature hot pressing mode
Close.
Preferably, the inorfil is knitted with organic fiber machine-woven fabric layer using inorfil with organic fiber complex yarn
Make and form.
Preferably, the weight ratio of the inorfil and organic fiber is 10%-90%:90%-10%.
Described inorfil includes but is not limited to:Glass fibre, oxytalan, basalt fibre, high silica fiber, pottery
Porcelain fiber.
The organic fiber includes but is not limited to:PTFE, P84, aramid fiber, PSA fiber, PPS, acrylic.
The utility model product has following functions:
1st, surface filtration, precision is high.Laminating polytetrafluoroethylene (PTFE) micropore is thin again after polytetrafluorethylecoatings coatings for filter material surface
Film, realizes conversion of the in-depth filtration to surface filtration, is prevented effectively from laying dust inside filtrate, reduces system operation resistance.Can be high
Effect trapping PM2.5 micronic dusts, realize the even lower dust emissions of < 10mg.
2nd, strength is high, composite filtering material using inorfil yarn with organic fiber complex yarn is woven is made, by two types of fibers
Advantage effectively combine.Meanwhile, yarn strength does not lose, higher than more than 2 times of similar needle punched filter material;Extend the use longevity of filtrate
Life.
3rd, deashing is good, the laminating polytetrafluoroethylmicroporous microporous membrane of filter material surface, and dust-cleaning efficiency is high;The frivolous softness of filtrate,
Shaken during deashing.
4th, energy-saving, dust pelletizing system running resistance is low, reduces fan energy consumption more than 30%;Required deashing pressure is small, clearly
Grey number of times is few, saves compressed air.
Brief description of the drawings
Fig. 1 is that inorfil of the present utility model is combined woven filter material layer structural representation with organic fiber.
Embodiment
It is new to this practicality with reference to the accompanying drawing in the utility model embodiment in order to which the utility model is better described
Technical scheme in type embodiment is clearly and completely described.
As shown in figure 1, inorfil of the present utility model is combined woven filtrate including inorfil with having with organic fiber
Machine woven cloth layer 1, polytetrafluoroethylene (PTFE) impregnation process layer 2, polytetrafluorethylecoatings coatings 3, polytetrafluoroethylmicroporous microporous membrane 4.
The inorfil and the thickness of organic fiber machine-woven fabric layer are at 0.6-0.9mm, the polytetrafluoroethylene (PTFE) dipping
It is 20-30 μm to manage thickness degree, and the thickness of the polytetrafluorethylecoatings coatings is 50-200 μm, and the polytetrafluoroethylmicroporous microporous membrane is thick
Spend for 10-30 μm.
The high-precision antistatic inorfil and organic fiber for realizing one of the purpose of this utility model are combined woven filtrate,
It is that woven filtrate is combined using the high accuracy of high-quality inorfil yarn+organic fiber complex yarn weaving.
High-precision inorfil is combined woven filtrate because yarn strength does not lose with organic fiber, the overall machinery of filtrate
Strength is higher, is more than 2 times of acupuncture lacing felt filter material, can bear long-term filtering deashing motion without producing damage.
High-precision antistatic inorfil and organic fiber be combined woven filtrate in spinning process by inorfil with having
Complex yarn is made in machine fiber, and the advantage of comprehensive two types of fibers is made physical and chemical index after filtrate and improved.
The two high-precision inorfil and organic fiber of realizing the purpose of this utility model are combined the preparation of woven filtrate
Technique is to be spun into the complex yarn for meeting technological requirement using inorfil single thread+organic fiber, is then weaved into again compound
Cloth, afterwards through arrangement processing and coating processing, finally carry out polyfluortetraethylefilm film coated processing, be made high-precision inorfil with
Organic fiber is combined woven filtrate.
The weight ratio of the inorfil and organic fiber is 10%-90%:90%-10%.
Described inorfil includes but is not limited to:Glass fibre, basalt fibre, high silica fiber, ceramic fibre.
The organic fiber includes but is not limited to:PTFE, P84, aramid fiber, PSA fiber, PPS, acrylic.
High-precision inorfil of the present utility model and the concrete technology flow process that organic fiber is combined woven filtrate are as follows:
Inorfil single thread+organic fiber → spinning → warp thread warping, weft yarn expanding processing → weaving cotton cloth → is examined → arranged
(impregnation process, destarch processing, volatilization processing, drying and processing, thermal finalization) → inspection → polytetrafluorethylecoatings coatings processing → poly- four
PVF overlay film → coiled process → test package, is made high-precision inorfil and is combined woven filtrate with organic fiber.
Described spinning process is that inorfil single thread and organic fiber are spun into the inorfil for meeting technological requirement
With organic fiber complex yarn.
Described warping process is that according to technological requirement inorfil and organic fiber composite yarn are made into warp beam.
Described expanded process is that inorfil and organic fiber composite yarn are carried out into expanding processing, and yam surface is presented
The soft fluffy states such as tubercle, looped pile, improve the dust catching efficiency of product, expanded irregularity < 1%.
Described process of weaving cotton cloth be by warp beam and buiky yarn according to Product Process requirement, weaving turn into inorfil with it is organic
Fiber composite woven fabric, fabric lines is from the double-decker such as diclinic line, satin weave, it is ensured that product have preferable mechanical property and
Strainability.
The arrangement is by the compound woven fabric progress impregnation process of inorfil and organic fiber, destarch processing, volatilization
Reason, drying and processing, thermal finalization processing.According to the difference of raw material, overall starching amount control is in 5-15%, volatilization treatment temperature 95-
99 DEG C, 190-210 DEG C of drying temperature, 260-280 DEG C of heat setting temperature;Arranging process purpose be improve product tensile strength,
The performance indications such as temperature tolerance, corrosion resistance, dimensional stability, better meet the use requirement of operating mode, increase the service life.
Arrange the compound woven fabric after processing and introduce coating machine progress coating processing.Described coating procedure is by thermal finalization
Compound woven fabric after processing is introduced into coating machine, and the good polyflon of pre-coordination is coated in into filter material surface, is applied
50-200 μm of thickness degree, speed 2-5m/min, 280-320 DEG C of sintering temperature;The mistake for improving compound woven fabric is processed by coating
Deashing property is filtered, is that element task is carried out in follow-up overlay film processing.
The polyfluortetraethylefilm film coated be compound woven fabric after coating is processed with polytetrafluoroethylmicroporous microporous membrane simultaneously
It is introduced into laminating machine, the laminating polytetrafluoroethylmicroporous microporous membrane processing in surface is carried out, by film and again by way of high temperature hot pressing
Close woven fabric to be combined together, 350 DEG C -360 DEG C of coated temperature, pressure is 0.2-0.4MPa, speed of service 2-5m/min.Pass through
Overlay film processing improves the filtering deashing property that inorfil is combined woven fabric with organic fiber, realizes in-depth filtration to surface filtration
Conversion;
Described high-precision inorfil is combined woven filtrate with organic fiber, with high temperature resistant, corrosion-resistant, tensile strength
The distinguishing features such as height, dimensionally stable, filtering deashing good, high-efficiency low-resistance long-life, efficiently trapping PM2.5 micronic dusts, realize dust
Concentration < 10mg/Nm3Minimum discharge.
Embodiment 1
Oxytalan single thread+organic fiber → spinning → warp thread warping, weft yarn expanding processing → weaving cotton cloth → is examined → arranged
(impregnation process, destarch processing, volatilization processing, drying and processing, thermal finalization) → inspection → polytetrafluorethylecoatings coatings processing → poly- four
PVF overlay film → coiled process → test package, is made high-precision inorfil and is combined woven filtrate with organic fiber.
Described spinning process is that oxytalan single thread and PTFE fiber are spun into the complex yarn for meeting technological requirement.
The weight ratio of the oxytalan and PTFE fiber is 60%:40%.
Described warping process is that according to technological requirement oxytalan and PTFE fiber composite yarn are made into warp beam.
Described expanded process is by oxytalan and has PTFE to tie up composite yarn progress expanding processing, and yam surface is presented
The soft fluffy states such as tubercle, looped pile, improve the dust catching efficiency of product, expanded irregularity < 1%.
Described process of weaving cotton cloth is that weaving turns into oxytalan and PTFE according to Product Process requirement by warp beam and buiky yarn
Fiber composite woven fabric, fabric lines is from the double-decker such as diclinic line, satin weave, it is ensured that product have preferable mechanical property and
Strainability.
The arrangement is by the compound woven fabric progress impregnation process of oxytalan and PTFE fiber, destarch processing, volatilization
Reason, drying and processing, thermal finalization processing.According to the difference of raw material, overall starching amount control is 10%, 97 DEG C for the treatment of temperature of volatilizing,
210 DEG C of drying temperature, 280 DEG C of heat setting temperature;Arranging process purpose be improve the tensile strength of product, it is temperature tolerance, corrosion-resistant
The performance indications such as property, dimensional stability, better meet the use requirement of operating mode, increase the service life.
Arrange the oxytalan after processing and carry out coating processing with the compound woven fabric introducing coating machine of PTFE fiber.Heat is fixed
Compound woven fabric after type processing is introduced into coating machine, and the good polyflon of pre-coordination is coated in into filter material surface,
50 μm of coating layer thickness, speed 2m/min, 320 DEG C of sintering temperature;The filtering deashing for improving compound woven fabric is processed by coating
Can, it is that element task is carried out in follow-up overlay film processing.
The polyfluortetraethylefilm film coated be compound woven fabric after coating is processed with polytetrafluoroethylmicroporous microporous membrane simultaneously
It is introduced into laminating machine, the laminating polytetrafluoroethylmicroporous microporous membrane processing in surface is carried out, by film and again by way of high temperature hot pressing
Close woven fabric to be combined together, 350 DEG C of coated temperature, pressure is 0.4MPa, speed of service 2m/min.Processed and improved by overlay film
Oxytalan is combined the filtering deashing property of woven fabric with PTFE fiber, realizes conversion of the in-depth filtration to surface filtration;
It is 0.9mm, the polytetrafluoroethylene (PTFE) impregnation process that the oxytalan is combined machine-woven fabric layer thickness with PTFE fiber
Thickness degree is 20 μm, and the thickness of the polytetrafluorethylecoatings coatings is 50 μm, and the polytetrafluoroethylmicroporous microporous membrane thickness is 15 μm.
Described high-precision oxytalan is combined woven filtrate with PTFE fiber, with high temperature resistant, corrosion-resistant, tensile strength
The distinguishing features such as height, dimensionally stable, filtering deashing good, high-efficiency low-resistance long-life, efficiently trapping PM2.5 micronic dusts, realize dust
Concentration < 10mg/Nm3Minimum discharge.
Oxytalan is combined woven media performance parameter list with PTFE fiber
Embodiment 2
High silica fiber single thread+PTFE fiber → spinning → warp thread warping, weft yarn expanding processing → weaving cotton cloth → examine → and it is whole
(impregnation process, destarch processing, volatilization processing, drying and processing, thermal finalization) → inspection → polytetrafluorethylecoatings coatings processing → is managed to gather
Tetrafluoroethene overlay film → coiled process → test package, is made high-precision high silica fiber and is combined woven filtrate with PTFE fiber.
Described spinning process is that high silica fiber single thread and PTFE fiber are spun into the high silica for meeting technological requirement
Fiber and PTFE fiber complex yarn.
Described warping process is that according to technological requirement high silica fiber and PTFE fiber composite yarn are made into warp beam.
Described expanded process is will to carry out expanding processing without high silica fiber and PTFE fiber composite yarn, make yam surface
The soft fluffy states such as tubercle, looped pile are presented, the dust catching efficiency of product, expanded irregularity < 1% is improved.
Described process of weaving cotton cloth be by warp beam and buiky yarn according to Product Process requirement, weaving turn into high silica fiber with
PTFE fiber is combined woven fabric, and fabric lines is from double-deckers such as diclinic line, satin weaves, it is ensured that product has preferable mechanical property
Energy and strainability.
The arrangement is that high silica fiber and PTFE fiber are combined into woven fabric to carry out impregnation process, destarch processing, volatilization
Processing, drying and processing, thermal finalization processing.According to the difference of raw material, overall starching amount control is 15%, treatment temperature 95 of volatilizing
DEG C, 190 DEG C of drying temperature, 280 DEG C of heat setting temperature;Arranging process purpose is to improve tensile strength, temperature tolerance, the corrosion resistant of product
The performance indications such as corrosion, dimensional stability, better meet the use requirement of operating mode, increase the service life.
Arrange the compound woven fabric after processing and introduce coating machine progress coating processing.Described coating procedure is by thermal finalization
Compound woven fabric after processing is introduced into coating machine, and the good polyflon of pre-coordination is coated in into filter material surface, is applied
200 μm of thickness degree, speed 3m/min, 280 DEG C of sintering temperature;The filtering deashing for improving compound woven fabric is processed by coating
Can, it is that element task is carried out in follow-up overlay film processing.
The polyfluortetraethylefilm film coated be compound woven fabric after coating is processed with polytetrafluoroethylmicroporous microporous membrane simultaneously
It is introduced into laminating machine, the laminating polytetrafluoroethylmicroporous microporous membrane processing in surface is carried out, by film and again by way of high temperature hot pressing
Close woven fabric to be combined together, 360 DEG C of coated temperature, pressure is 0.3MPa, speed of service 5m/min.Carried by overlay film processing
High inorfil is combined the filtering deashing property of woven fabric with organic fiber, realizes conversion of the in-depth filtration to surface filtration;
The high silica fiber is 0.8mm with PTFE fiber machine-woven fabric layer thickness, the polytetrafluoroethylene (PTFE) impregnation process layer
Thickness is 30 μm, and the thickness of the polytetrafluorethylecoatings coatings is 200 μm, and the polytetrafluoroethylmicroporous microporous membrane thickness is 30 μm.
Described high-precision high silica fiber is combined woven filtrate with PTFE fiber, strong with high temperature resistant, corrosion-resistant, stretching
The distinguishing features such as power height, dimensionally stable, filtering deashing good, high-efficiency low-resistance long-life, efficiently trapping PM2.5 micronic dusts, realize powder
Dust concentration < 10mg/Nm3Minimum discharge.
High silica fiber is combined woven media performance parameter list with PTFE fiber
It is described above, the only preferable embodiment of the utility model, but protection domain of the present utility model not office
It is limited to this, any one skilled in the art can readily occur in the technical scope disclosed by the utility model
Change or replacement, should all cover within protection domain of the present utility model.