CN206950810U - A kind of woven filtrate of aramid fiber - Google Patents
A kind of woven filtrate of aramid fiber Download PDFInfo
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- CN206950810U CN206950810U CN201720177127.XU CN201720177127U CN206950810U CN 206950810 U CN206950810 U CN 206950810U CN 201720177127 U CN201720177127 U CN 201720177127U CN 206950810 U CN206950810 U CN 206950810U
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Abstract
The utility model provides a kind of woven filtrate of aramid fiber, including aramid fiber machine-woven fabric layer, polytetrafluoroethylene (PTFE) impregnation layer, polytetrafluorethylecoatings coatings, polytetrafluoroethylmicroporous microporous membrane；Polytetrafluoroethylene (PTFE) impregnation layer, polytetrafluorethylecoatings coatings, polytetrafluoroethylmicroporous microporous membrane are followed successively by above the aramid fiber machine-woven fabric layer；It is polytetrafluoroethylene (PTFE) impregnation layer below the aramid fiber machine-woven fabric layer；The aramid fiber machine-woven fabric layer is double-decker.The frivolous softness of product filtrate of the present utility model, shake during deashing.
Description
Technical field
A kind of Environmental-protecting dust-removing filtering material of industrial fumes filtering is the utility model is related to, it is especially a kind of to use aramid fiber
Fiber is primary raw material, passes through the high-precision woven filtrate of antistatic aramid fiber made of woven method.
Background technology
Environmental Protection in China situation is increasingly severe, persistently occurs the serious conditions in 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.It is industrial
Pollutant mainly has flue dust, SO2、SO3、NOx、CO2、N2And some other harmful substances, heavy metal etc., due to operating mode not
The characteristics of with its each, is also not quite similar.
With frequently occurring for haze weather, growing interest of the society to industrial fumes emission reduction is triggered, industrial fumes are made
Turn into limit row, emission reduction object for haze weather main " arch-criminal ".Cement industry while national economy fast development is supported,
Serious environmental pollution is brought, is one of primary discharge source of industrial fumes, is the major fields of domestic pollution emission reduction.With regard to water
For mud industry, cement major pollutants during production are carbon dioxide, sulfur dioxide and nitrogen oxide, fluoride, powder
The materials such as dirt, it is characterized in that waste gas has certain corrosivity, gently thin harmfulness is big for dust.Therefore, the flue dust of cement industry is controlled
Reason is the most important thing.
The high-temperature filter material that cement industry sack cleaner uses at present mainly has aramid fiber acupuncture lacing felt filter material, P84 composite filtering materials
And glass coated filter material etc..Aramid fiber acupuncture lacing felt filter material and P84 composite filtering materials belong to non-woven filtrate, are using acupuncture processing work
Nomex class filtrate made of skill, when acupuncture lacing felt filter material base cloth layer due to needle stick injuries cause strength decline, the stretching of filtrate
Strength is long-term use of fragile than relatively low, poor dimensional stability；Second, after such filtrate long-term use, dust is easily in filtrate
Building up inside, and then filtrate is blocked, SR rise is directly resulted in, influences the normal operation of dust pelletizing system；Third, P84 fibers
It is expensive, had a strong impact on a wide range of popularization and application.
Utility model content
There is filtrate for the existing high-temperature-resistant filtering material of cement industry and easily block in the utility model, SR is higher,
The problems such as filtrate high expensive, there is provided a kind of strength height, heat-proof corrosion resistant, cost are low, the high-precision antistatic virtue of service life length
The woven filtrate of synthetic fibre.
A kind of woven filtrate of aramid fiber, including aramid fiber machine-woven fabric layer, polytetrafluoroethylene (PTFE) impregnation layer, polytetrafluoro
Vinyl coating, polytetrafluoroethylmicroporous microporous membrane；It is followed successively by above the aramid fiber machine-woven fabric layer at polytetrafluoroethylene (PTFE) dipping
Manage layer, polytetrafluorethylecoatings coatings, polytetrafluoroethylmicroporous microporous membrane；It is polytetrafluoroethylene (PTFE) below the aramid fiber machine-woven fabric layer
Impregnation layer；The aramid fiber machine-woven fabric layer is double-decker；The aramid fiber machine-woven fabric layer uses aramid fiber short fibre
It is prepared with conductive fiber for warp thread.
Preferably, the aramid fiber machine-woven fabric layer thickness is 0.75-0.85mm, the polytetrafluoroethylene (PTFE) impregnation layer
Thickness is 10-18 μm, and the thickness of the polytetrafluorethylecoatings coatings is 100-200 μm, the polytetrafluoroethylmicroporous microporous membrane thickness
For 10-15 μm.
Preferably, the double-decker is diclinic line or satin weave.
Preferably, the conductive fiber is carbon fiber or metallic fiber.
Preferably, covered between the polytetrafluorethylecoatings coatings and polytetrafluoroethylmicroporous microporous membrane by high temperature hot pressing mode
Close.
The utility model product has following functions：
1st, surface filtration, precision are high.Laminating polytetrafluoroethylene (PTFE) micropore is thin again after polytetrafluorethylecoatings coatings for filter material surface
Film, conversion of the in-depth filtration to surface filtration is realized, effectively avoid laying dust inside filtrate, reduce system operation resistance.Can be high
Effect trapping PM2.5 micronic dusts, realize the even lower dust emissions of ＜ 10mg.
2nd, strength is high, aramid fiber filtrate is made using aramid yarn is woven, yarn strength does not lose, higher than similar needle punched filter material
More than 1.5 times；Extend the service life of filtrate.
3rd, antistatic, conductive fiber is added in spinning, warping or weaving, makes filtrate that there is antistatic effect, contributes to
The trapping of fine dust and the deashing of filtrate.
4th, 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.
5th, energy-saving, dust pelletizing system running resistance is low, reduces fan energy consumption more than 25%；Required deashing pressure is small, clearly
Grey number is few, saves compressed air.
Brief description of the drawings
Fig. 1 is the woven filter material layer structural representation of aramid fiber of the present utility model.
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, the woven filtrate of aramid fiber of the present utility model includes aramid fiber machine-woven fabric layer 1, polytetrafluoroethyl-ne
Alkene impregnation layer 2, polytetrafluorethylecoatings coatings 3, polytetrafluoroethylmicroporous microporous membrane 4.Above the aramid fiber machine-woven fabric layer 1
It is followed successively by polytetrafluoroethylene (PTFE) impregnation layer 2, polytetrafluorethylecoatings coatings 3, polytetrafluoroethylmicroporous microporous membrane 4；The aramid fiber
It is polytetrafluoroethylene (PTFE) impregnation layer 2 below machine-woven fabric layer 1；The aramid fiber machine-woven fabric layer 1 is double-decker；The virtue
Synthetic fibre woven cloth layer 1 uses aramid fiber short fibre to be prepared with conductive fiber for warp thread.The aramid fiber machine-woven fabric layer 1
Thickness is 0.75-0.85mm, and the thickness of the polytetrafluoroethylene (PTFE) impregnation layer 2 is 10-18 μm, the polytetrafluorethylecoatings coatings
3 thickness is 100-200 μm, and the polytetrafluoroethylmicroporous microporous membrane thickness 4 is 10-15 μm.The double-decker is diclinic line
Or satin weave.The conductive fiber is carbon fiber or metallic fiber.The polytetrafluorethylecoatings coatings 3 and polytetrafluoroethylmicroporous microporous membrane
It is laminating by high temperature hot pressing mode between 4
Embodiment 1
Aramid fiber short fibre pretreatment → spinning process (the pre- shredding of aramid fiber short fibre+antistatic fibre → main shredding → hopper
Mixing → combing → drafting → rove → thin network combination machine resultant yarn) → warping and expanded (conductive fiber is added in warp thread, weft yarn is swollen
Change processing) → weaving cotton cloth → examine → arrange (impregnation, destarch processing, volatilization processing, drying and processing, thermal finalization) → examine →
Polytetrafluorethylecoatings coatings processing → polyfluortetraethylefilm film coated → coiled process → test package, is made the height with antistatic effect
The woven filtrate of precision aramid fiber.
Uniformly spread out after aramid fiber short fibre bale breaking, spray the 1% antistatic additive aqueous solution, stood at a temperature of 23 DEG C
12 hours, the purpose is to make aramid fiber short fibre fully absorb antistatic additive, the electrostatic effect in fabrication processes is reduced, improves fiber
Spinnability, it is ensured that product quality.
Spinning process is the process that aramid fiber short fibre is spun into the aramid yarn for meeting technological requirement, including：Aramid fiber is short
The pre- shredding of fiber+antistatic fibre, main shredding, hopper mixing, combing, drafting, rove, thin network combination machine resultant yarn etc. produce ring
Section, according to technological requirement, be made needed for line density aramid yarn；Described antistatic fibre include but is not limited to carbon fiber,
Metallic fiber etc., it is preferable that carbon fiber.
An aramid yarn part delivers to warping process and is made that warp beam is stand-by, and appropriate conduction can be added according to technological requirement
Fiber improves the electric conductivity of product, the overall content ＜ 10% of conductive fiber as warp thread.
Another part aramid yarn delivers to expanded process and carries out expanding processing, makes yam surface that tubercle, looped pile etc. be presented fluffy
Loose state, improve the dust catching efficiency of product, it is desirable to expanded irregularity ＜ 1%；It is stand-by that aramid fiber buiky yarn is made.
Beam of a loom made of warping process is arranged on loom and weaved, and aramid fiber buiky yarn introduces as weft yarn, according to product
Technological requirement, weaving turn into antistatic aryl fiber cloth, and fabric lines select satin weave double-layered structure structure, guarantee product with compared with
Good mechanical property and strainability；
Arranging process be by antistatic aryl fiber cloth carry out impregnation, destarch processing, volatilization processing, drying and processing,
The arrangements such as thermal finalization are processed, and the control of overall starching amount is 10%, 99 DEG C for the treatment of temperature of volatilizing, 170 DEG C of drying temperature, thermal finalization temperature
240 DEG C of degree.The purpose of arranging process is to improve the performances such as the tensile strength of product, temperature tolerance, corrosion resistance, dimensional stability to refer to
Mark, better meets the requirement of operating mode, increases the service life；
Arrange the antistatic aryl fiber cloth after processing and introduce coating machine progress coating processing.Polytetrafluorethylecoatings coatings be by
Antistatic aryl fiber cloth after thermal finalization processing is introduced into coating machine, and the good polyflon of pre-coordination is coated in
Filter material surface, 100 μm, speed 2m/min of coating layer thickness, 260 DEG C of sintering temperature.Processed by coating and improve antistatic aramid fiber fibre
The filtering deashing property of cloth is tieed up, basis is carried out for follow-up overlay film processing；
Coating antistatic aryl fiber cloth is introduced into laminating machine simultaneously with polytetrafluoroethylmicroporous microporous membrane, and it is laminating to carry out surface
Polytetrafluoroethylmicroporous microporous membrane is processed, and is combined together film and antistatic aryl fiber cloth by way of high temperature hot pressing,
280 DEG C, pressure 0.3MPa, speed of service 3m/min of coated temperature.Processed by overlay film and improve antistatic aryl fiber cloth
Deashing property is filtered, realizes conversion of the in-depth filtration to surface filtration.
The described high-precision woven filtrate of antistatic aramid fiber, have high temperature resistant, corrosion-resistant, tensile strength is high, dimensionally stable,
The distinguishing features such as deashing good, high-efficiency low-resistance long-life are filtered, PM2.5 micronic dusts is efficiently trapped, realizes dust concentration ＜ 10mg/
Nm3Minimum discharge.
The woven media performance parameter list of antistatic aramid fiber
Embodiment 2
Aramid filament → spinning → warping and expanded (conductive fiber, weft yarn expanding processing are added in warp thread) → weaving cotton cloth → are examined
Test → arrange at (impregnation, destarch processing, volatilization processing, drying and processing, thermal finalization) → inspection → polytetrafluorethylecoatings coatings
Reason → polyfluortetraethylefilm film coated → coiled process → test package, is made the woven filter of high-precision aramid fiber with antistatic effect
Material.
Spinning process is the process that aramid filament is spun into the aramid yarn for meeting technological requirement, and aramid yarn is a part of
Deliver to warping process and be made that warp beam is stand-by, appropriate conductive fiber can be added according to technological requirement and is used as warp thread, raising product
Electric conductivity, the overall content ＜ 10% of conductive fiber.
Another part aramid yarn delivers to expanded process and carries out expanding processing, makes yam surface that tubercle, looped pile etc. be presented fluffy
Loose state, improve the dust catching efficiency of product, it is desirable to expanded irregularity ＜ 1%；It is stand-by that aramid fiber buiky yarn is made.
Beam of a loom made of warping process is arranged on loom and weaved, and aramid fiber buiky yarn introduces as weft yarn, according to product
Technological requirement, weaving turn into antistatic aryl fiber cloth, and fabric lines selects diclinic line double-layered structure structure, ensures that product has
Preferable mechanical property and strainability；
Arranging process be by antistatic aryl fiber cloth carry out impregnation, destarch processing, volatilization processing, drying and processing,
The arrangements such as thermal finalization are processed, and the control of overall starching amount is 5%, 95 DEG C for the treatment of temperature of volatilizing, 160 DEG C of drying temperature, thermal finalization temperature
240 DEG C of degree.The purpose of arranging process is to improve the performances such as the tensile strength of product, temperature tolerance, corrosion resistance, dimensional stability to refer to
Mark, better meets the requirement of operating mode, increases the service life；
Arrange the antistatic aryl fiber cloth after processing and introduce coating machine progress coating processing.Polytetrafluorethylecoatings coatings be by
Antistatic aryl fiber cloth after thermal finalization processing is introduced into coating machine, and the good polyflon of pre-coordination is coated in
Filter material surface, 200 μm, speed 3m/min of coating layer thickness, 260 DEG C of sintering temperature.Processed by coating and improve antistatic aramid fiber fibre
The filtering deashing property of cloth is tieed up, basis is carried out for follow-up overlay film processing；
Coating antistatic aryl fiber cloth is introduced into laminating machine simultaneously with polytetrafluoroethylmicroporous microporous membrane, and it is laminating to carry out surface
Polytetrafluoroethylmicroporous microporous membrane is processed, and is combined together film and antistatic aryl fiber cloth by way of high temperature hot pressing,
280 DEG C, pressure 0.2MPa, speed of service 2m/min of coated temperature.Processed by overlay film and improve antistatic aryl fiber cloth
Deashing property is filtered, realizes conversion of the in-depth filtration to surface filtration.
The described high-precision woven filtrate of antistatic aramid fiber, have high temperature resistant, corrosion-resistant, tensile strength is high, dimensionally stable,
The distinguishing features such as deashing good, high-efficiency low-resistance long-life are filtered, PM2.5 micronic dusts is efficiently trapped, realizes dust concentration ＜ 10mg/
Nm3Minimum discharge.
The woven media performance parameter list of antistatic aramid fiber
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the 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 the scope of protection of the utility model.
Claims (1)
1. a kind of woven filtrate of aramid fiber, it is characterised in that including aramid fiber machine-woven fabric layer, polytetrafluoroethylene (PTFE) impregnation
Layer, polytetrafluorethylecoatings coatings, polytetrafluoroethylmicroporous microporous membrane；Polytetrafluoroethyl-ne is followed successively by above the aramid fiber machine-woven fabric layer
Alkene impregnation layer, polytetrafluorethylecoatings coatings, polytetrafluoroethylmicroporous microporous membrane；It is poly- below the aramid fiber machine-woven fabric layer
Tetrafluoroethene impregnation layer；The aramid fiber machine-woven fabric layer is double-decker；The aramid fiber machine-woven fabric layer is using virtue
Synthetic fibre chopped fiber is prepared with conductive fiber for warp thread；The double-decker is diclinic line or satin weave；The polytetrafluoroethylene (PTFE) applies
It is laminating by high temperature hot pressing mode between layer and polytetrafluoroethylmicroporous microporous membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720177127.XU CN206950810U (en) | 2017-02-27 | 2017-02-27 | A kind of woven filtrate of aramid fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720177127.XU CN206950810U (en) | 2017-02-27 | 2017-02-27 | A kind of woven filtrate of aramid fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206950810U true CN206950810U (en) | 2018-02-02 |
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ID=61377571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720177127.XU Active CN206950810U (en) | 2017-02-27 | 2017-02-27 | A kind of woven filtrate of aramid fiber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206950810U (en) |
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2017
- 2017-02-27 CN CN201720177127.XU patent/CN206950810U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 8, Tashan Road, Kecheng District, Quzhou, Zhejiang Patentee after: Zhejiang Hongsheng Environmental Technology Group Limited Address before: No. 8, Tashan Road, Kecheng District, Quzhou, Zhejiang Patentee before: Zhejiang Hongsheng Environmental Protection Technology Co. Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 8, Tashan Road, Kecheng District, Quzhou, Zhejiang Patentee after: Zhejiang Hongsheng New Material Technology Group Co.,Ltd. Address before: No. 8, Tashan Road, Kecheng District, Quzhou, Zhejiang Patentee before: ZHEJIANG HONG SHENG ENVIRONMENTAL PROTECTION TECHNOLOGY GROUP Co.,Ltd. |