CN111389096A - Preparation method of superfine double-sided glass fiber needle-punched filter material - Google Patents
Preparation method of superfine double-sided glass fiber needle-punched filter material Download PDFInfo
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- CN111389096A CN111389096A CN201911424150.4A CN201911424150A CN111389096A CN 111389096 A CN111389096 A CN 111389096A CN 201911424150 A CN201911424150 A CN 201911424150A CN 111389096 A CN111389096 A CN 111389096A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
- B01D39/2003—Glass or glassy material
- B01D39/2017—Glass or glassy material the material being filamentary or fibrous
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
- B01D39/2027—Metallic material
- B01D39/2041—Metallic material the material being filamentary or fibrous
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
- B01D39/2068—Other inorganic materials, e.g. ceramics
- B01D39/2082—Other inorganic materials, e.g. ceramics the material being filamentary or fibrous
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4209—Inorganic fibres
- D04H1/4218—Glass fibres
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
- D04H1/498—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres entanglement of layered webs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/10—Filtering material manufacturing
Abstract
The invention discloses a preparation method of superfine double-sided glass fiber needled filter material, which comprises the following steps: s1, selecting materials, wherein the raw materials are chopped yarns or high-temperature resistant fiber product waste products; s2, cleaning, namely, using clear water to preliminarily wash the raw materials, and after cleaning is finished, placing the raw materials in the sun for waiting for drying; s3, opening, namely packing the chopped yarns and the high-temperature resistant fiber products into compact and intertwined fiber raw materials with the density of about 300-400 kilograms per cubic meter, and loosening the chopped yarns and the high-temperature resistant fiber products through an opener and removing impurities; according to the preparation method of the superfine double-sided glass fiber needled filter material, the air permeability can be effectively improved through the double-sided non-woven glass fiber layer, and the back dust surface can be prevented from being damaged due to the pulse air pressure of the injection pipe. The filter material has high strength and high filtering precision, saves labor cost and saves production process under the condition of keeping the original performance of the filter material unchanged.
Description
Technical Field
The invention relates to the technical field of filter material preparation, in particular to a preparation method of an ultrafine double-sided glass fiber needled filter material.
Background
The glass fiber filter material base material is a medium-alkali continuous glass fiber twill structure, the thickness of the glass fiber twill structure is 0.3-0.35 mm, and the glass fiber filter material base material is subjected to post-treatment by using components such as reactive organosilicon and polytetrafluoroethylene suspension. The filter material is soft and smooth, easy to clean ash, capable of being continuously used at 250 ℃, and low in price. The glass fiber filter cloth is suitable for various bag-type dust collectors with no framework in the middle of the filter bag and with internal filtering type back blowing (back suction) air or bag shrinking dust cleaning, and the filtering speed is generally below 0.5 m/min. Too high a speed tends to blow out the filter bag or cause percolation. The dust raising point in the cement industry is popularized more. Glass fiber filters (glass fiber) are fiber filters drawn from molten glass. Several micrometers to tens of micrometers in diameter. The cable is brittle and easy to break, but has high tensile strength, high temperature resistance, corrosion resistance, sound bias and good insulating property. It can be made into glass fiber cloth or fiber band, and also can be made into glass fiber reinforced plastic, glass reinforced concrete, etc. with plastics and cement. After dipping treatment with the solution of the aromatic organic silicon or fluororesin, the abrasion resistance, hydrophobicity and softness of the fiber can be improved), the surface is smooth and easy to clean ash, and the service life is prolonged. The glass fiber filter material is the most widely used inorganic fiber filter material at present. The filter material is soft and smooth, easy to clean ash, capable of being used continuously at 250 deg.c and low in cost. The glass fiber filter cloth is suitable for various bag-type dust collectors with no framework in the middle of the filter bag and with internal filtering type back blowing (back suction) air or bag shrinking dust cleaning, and the filtering speed is generally below 0.5 m/min. Too high a speed tends to blow out the filter bag or cause a percolation. The dust raising point in the cement industry is popularized more. With the increasing of air pollution problems and the enhancement of human environmental awareness, the accelerated research of air pollution comprehensive treatment technology is more and more concerned and emphasized by people. The steel industry needs to use a large amount of glass fiber filter materials.
At present, the traditional glass fiber single-sided felt has the defects of poor air permeability, low dust stripping rate, easy breakage of a back dust layer and the like, and can cause the problems of excessive penetration rate and discharge, bag breakage and the like. The production also has the defects of poor gram weight uniformity, low yield and the like, so that the preparation method of the superfine double-sided glass fiber needled filter material is provided.
Disclosure of Invention
The invention aims to provide a preparation method of an ultrafine double-sided glass fiber needled filter material, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a preparation method of a superfine double-sided glass fiber needled filter material comprises the following steps:
s1, selecting materials, wherein the raw materials are chopped yarns or high-temperature resistant fiber product waste products;
s2, cleaning, namely, using clear water to preliminarily wash the raw materials, and after cleaning, placing the raw materials in the sun for waiting for drying;
s3, opening, namely packing the chopped yarns and the high-temperature-resistant fiber products into compacted and intertwined fiber raw materials with the density of about 300-400 kg per cubic meter, and loosening the chopped yarns and the high-temperature-resistant fiber products through an opener and removing impurities;
s4, carding, feeding the opened raw materials into a carding machine under the environment with proper humidity, and carding the raw materials into single fiber state by the carding machine to form a net fiber thin layer;
s5, grid connection, wherein the lapping machine lays the reticular fiber thin layers layer by layer to reach the thickness of 0.1-0.13 mm, the glass fiber base cloth is used as the middle layer, the glass fiber thin layer net is used as the side layer, and the laying and grid connection are carried out;
s6, pre-needling, namely conveying the grid-connected material into a pre-needling machine for double-sided pre-needling;
s7, reinforcing by needling, namely reinforcing the pre-needled felt by needling by using a needle machine to obtain a filter material plain felt, wherein the needling density is 250-350 needling per square centimeter;
and S8, dipping, using the treatment solution to dip the filter material, heating to 150 ℃, preserving heat for 8-10 hours, entering an oven to perform primary drying under the action of the traction force of the oven after dipping, and performing secondary drying to finally finish the heat setting of the filter material.
As further preferable in the present technical solution: and in the S4, double-sided lapping is adopted for carding by using a double carding machine, and the gram weight of the single-layer mesh sheet is two hundred grams per square meter.
As further preferable in the present technical solution: the weight of the filter material plain felt is 820g per square meter.
As further preferable in the present technical solution: the treatment liquid is a mixture of sodium dodecyl benzene sulfonate, polytetrafluoroethylene, acrylic resin, silicone oil, A-151, alcohol and glacial acetic acid.
As further preferable in the present technical solution: in the S2, the time for washing with water is 20-30 minutes, and the waiting time for sun-drying is 8-14 hours.
As further preferable in the present technical solution: and in the S4, the relative humidity is 60-70.
As further preferable in the present technical solution: in the S6, the pre-needling density is 60-100 punches per square centimeter.
As further preferable in the present technical solution: in the S8, the primary drying temperature is 240 ℃ at 220 ℃ and the speed is three meters per minute, and the secondary drying temperature is 220 ℃ at 200 ℃ and the speed is four meters per minute.
As further preferable in the present technical solution: in S3, when feeding, the raw cotton is grabbed and loosened by a cotton grabbing trolley.
As further preferable in the present technical solution: the high-temperature resistant fiber product comprises inorganic fibers, such as asbestos fibers, glass fibers, metal fibers, nitrogen Laolab fibers and ceramic fibers.
Compared with the prior art, the invention has the beneficial effects that: according to the preparation method of the superfine double-sided glass fiber needled filter material, the air permeability can be effectively improved through the double-sided non-woven glass fiber layer, and the back dust surface can be prevented from being damaged due to the pulse air pressure of the injection pipe. The filter material has high strength and high filtering precision, saves labor cost and saves production process under the condition of keeping the original performance of the filter material unchanged.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The invention provides a technical scheme that: a preparation method of superfine double-sided glass fiber needle-punched filter material comprises the following steps:
s1, selecting materials, wherein the raw materials are chopped yarns or high-temperature resistant fiber product waste products;
s2, cleaning, namely, using clear water to preliminarily wash the raw materials, and after cleaning, placing the raw materials in the sun for waiting for drying;
s3, opening, namely, packing the chopped yarns and the high-temperature resistant fiber products into compact and intertwined fiber raw materials with the density of about 330 kilograms per cubic meter, and loosening the chopped yarns and the high-temperature resistant fiber products through an opener and removing impurities;
s4, carding, feeding the opened raw materials into a carding machine under the environment with proper humidity, and carding the raw materials into single fiber state by the carding machine to form a net fiber thin layer;
s5, grid connection, wherein the lapping machine lays the reticular fiber thin layers layer by layer to reach the thickness of 0.1 mm, the glass fiber base cloth is used as the middle layer, the glass fiber thin layer net is used as the side layer, and the laying and grid connection are carried out;
s6, pre-needling, namely conveying the grid-connected material into a pre-needling machine for double-sided pre-needling;
s7, needling and reinforcing, namely needling and reinforcing the pre-needled felt by using a needle machine to obtain a filter material plain felt, wherein the needling density is 270 needles per square centimeter;
and S8, dipping, using the treatment solution to dip the filter material, heating to 150 ℃, preserving heat for 8.5 hours, entering an oven to carry out primary drying under the action of the traction force of the oven after dipping, and carrying out secondary drying to finally finish the heat setting of the filter material.
In this embodiment, specifically: and in the S4, double-sided lapping is adopted for carding by a double carding machine, and the gram weight of the single-layer mesh sheet is two hundred grams per square meter.
In this embodiment, specifically: the weight of the filter material plain felt is 820g per square meter.
In this embodiment, specifically: the treatment fluid is a mixture of sodium dodecyl benzene sulfonate, polytetrafluoroethylene, acrylic resin, silicone oil, A-151, alcohol and glacial acetic acid.
In this embodiment, specifically: in the S2, the time for washing with water is 20 minutes, and the waiting time for sun-drying is 9 hours.
In this embodiment, specifically: in S4, the relative humidity is 60.
In this embodiment, specifically: in the step S6, the pre-needling density is 85 punches per square centimeter.
In this embodiment, specifically: in the step S8, the primary drying temperature is 220 ℃ and the speed is three meters per minute, and the secondary drying temperature is 200 ℃ and the speed is four meters per minute.
In this embodiment, specifically: and in the S3, when feeding, the raw cotton of the small cotton grabbing fleet is adopted for grabbing and loosening the mixture.
In this embodiment, specifically: the components of the high-temperature resistant fiber product are inorganic fibers, such as asbestos fibers, glass fibers, metal fibers, nitrogen Laolan fibers and ceramic fibers.
Example 2
The invention provides a technical scheme that: a preparation method of superfine double-sided glass fiber needle-punched filter material comprises the following steps:
s1, selecting materials, wherein the raw materials are chopped yarns or high-temperature resistant fiber product waste products;
s2, cleaning, namely, using clear water to preliminarily wash the raw materials, and after cleaning, placing the raw materials in the sun for waiting for drying;
s3, opening, namely, packing the chopped yarns and the high-temperature resistant fiber products into compact and intertwined fiber raw materials with the density of about 370 kilograms per cubic meter, and loosening the chopped yarns and the high-temperature resistant fiber products through an opener and removing impurities;
s4, carding, feeding the opened raw materials into a carding machine under the environment with proper humidity, and carding the raw materials into single fiber state by the carding machine to form a net fiber thin layer;
s5, grid connection, wherein the lapping machine lays the reticular fiber thin layers layer by layer to reach the thickness of 0.15 mm, the glass fiber base cloth is used as the middle layer, the glass fiber thin layer net is used as the side layer, and the laying and grid connection are carried out;
s6, pre-needling, namely conveying the grid-connected material into a pre-needling machine for double-sided pre-needling;
s7, reinforcing by needling, namely reinforcing the pre-needled felt by needling by using a needle machine to obtain a filter material plain felt, wherein the needling density is 290 needles per square centimeter;
and S8, dipping, using the treatment solution to dip the filter material, heating to 150 ℃, preserving heat for 9 hours, entering an oven to perform primary drying under the action of the traction force of the oven after dipping, performing secondary drying, and finally completing the heat setting of the filter material.
In this embodiment, specifically: and in the S4, double-sided lapping is adopted for carding by a double carding machine, and the gram weight of the single-layer mesh sheet is two hundred grams per square meter.
In this embodiment, specifically: the weight of the filter material plain felt is 820g per square meter.
In this embodiment, specifically: the treatment fluid is a mixture of sodium dodecyl benzene sulfonate, polytetrafluoroethylene, acrylic resin, silicone oil, A-151, alcohol and glacial acetic acid.
In this embodiment, specifically: in the S2, the time for washing with water is 25 minutes, and the waiting time for sun-drying is 10 hours.
In this embodiment, specifically: in S4, the relative humidity is 65.
In this embodiment, specifically: in the step S6, the pre-needling density is 80 needles per square centimeter.
In this embodiment, specifically: in the step S8, the primary drying temperature is 230 ℃ and the speed is three meters per minute, and the secondary drying temperature is 210 ℃ and the speed is four meters per minute.
In this embodiment, specifically: and in the S3, when feeding, the raw cotton of the small cotton grabbing fleet is adopted for grabbing and loosening the mixture.
In this embodiment, specifically: the components of the high-temperature resistant fiber product are inorganic fibers, such as asbestos fibers, glass fibers, metal fibers, nitrogen Laolan fibers and ceramic fibers.
Example 3
The invention provides a technical scheme that: a preparation method of superfine double-sided glass fiber needle-punched filter material comprises the following steps:
s1, selecting materials, wherein the raw materials are chopped yarns or high-temperature resistant fiber product waste products;
s2, cleaning, namely, using clear water to preliminarily wash the raw materials, and after cleaning, placing the raw materials in the sun for waiting for drying;
s3, opening, namely, packing the chopped yarns and the high-temperature resistant fiber products into compact and intertwined fiber raw materials with the density of about 600 kilograms per cubic meter, and loosening the chopped yarns and the high-temperature resistant fiber products through an opener and removing impurities;
s4, carding, feeding the opened raw materials into a carding machine under the environment with proper humidity, and carding the raw materials into single fiber state by the carding machine to form a net fiber thin layer;
s5, grid connection, wherein the lapping machine lays the reticular fiber thin layers layer by layer to reach the thickness of 0.13 mm, the glass fiber base cloth is used as the middle layer, the glass fiber thin layer net is used as the side layer, and the laying and grid connection are carried out;
s6, pre-needling, namely conveying the grid-connected material into a pre-needling machine for double-sided pre-needling;
s7, reinforcing by needling, namely reinforcing the pre-needled felt by needling by using a needle machine to obtain a filter material plain felt, wherein the needling density is 330 needles per square centimeter;
and S8, dipping, using the treatment solution to dip the filter material, heating to 150 ℃, preserving heat for 10 hours, entering an oven to carry out primary drying under the action of the traction force of the oven after dipping, and carrying out secondary drying to finally finish the heat setting of the filter material.
In this embodiment, specifically: and in the S4, double-sided lapping is adopted for carding by a double carding machine, and the gram weight of the single-layer mesh sheet is two hundred grams per square meter.
In this embodiment, specifically: the weight of the filter material plain felt is 820g per square meter.
In this embodiment, specifically: the treatment fluid is a mixture of sodium dodecyl benzene sulfonate, polytetrafluoroethylene, acrylic resin, silicone oil, A-151, alcohol and glacial acetic acid.
In this embodiment, specifically: in the S2, the time for washing with water is 30 minutes, and the waiting time for natural sun drying is 12 hours.
In this embodiment, specifically: in S4, the relative humidity is 70.
In this embodiment, specifically: in the step S6, the pre-needling density is 85 punches per square centimeter.
In this embodiment, specifically: in the step S8, the primary drying temperature is 240 ℃ and the speed is three meters per minute, and the secondary drying temperature is 220 ℃ and the speed is four meters per minute.
In this embodiment, specifically: and in the S3, when feeding, the raw cotton of the small cotton grabbing fleet is adopted for grabbing and loosening the mixture.
In this embodiment, specifically: the components of the high-temperature resistant fiber product are inorganic fibers, such as asbestos fibers, glass fibers, metal fibers, nitrogen Laolan fibers and ceramic fibers.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The preparation method of the superfine double-sided glass fiber needle-punched filter material is characterized by comprising the following steps:
s1, selecting materials, wherein the raw materials are chopped yarns or high-temperature resistant fiber product waste products;
s2, cleaning, namely, using clear water to preliminarily wash the raw materials, and after cleaning is finished, placing the raw materials in the sun for waiting for drying;
s3, opening, namely packing the chopped yarns and the high-temperature resistant fiber products into compact and intertwined fiber raw materials with the density of about 300-400 kilograms per cubic meter, and loosening the chopped yarns and the high-temperature resistant fiber products through an opener and removing impurities;
s4, carding, feeding the opened raw materials into a carding machine under the environment with proper humidity, and carding the raw materials into single fiber state by the carding machine to form a net fiber thin layer;
s5, grid connection, wherein the lapping machine lays the reticular fiber thin layers layer by layer to reach the thickness of 0.1-0.13 mm, the glass fiber base cloth is used as the middle layer, the glass fiber thin layer net is used as the side layer, and the laying and grid connection are carried out;
s6, pre-needling, namely conveying the grid-connected material into a pre-needling machine for double-sided pre-needling;
s7, reinforcing by needling, namely reinforcing the pre-needled felt by needling by using a needling machine to obtain a filter material plain felt, wherein the needling density is 250-350 needling per square centimeter;
and S8, dipping, using the treatment solution to dip the filter material, heating to 150 ℃, preserving heat for 8-10 hours, entering an oven to perform primary drying under the action of the traction force of the oven after dipping, and performing secondary drying to finally finish the heat setting of the filter material.
2. The method for preparing the superfine double-sided glass fiber needled filter material according to claim 1, which is characterized by comprising the following steps: and in the S4, double-sided lapping is adopted for carding by a double carding machine, and the gram weight of the single-layer mesh sheet is two hundred grams per square meter.
3. The method for preparing the superfine double-sided glass fiber needled filter material according to claim 1, which is characterized by comprising the following steps: the weight of the filter material plain felt is 820g per square meter.
4. The method for preparing the superfine double-sided glass fiber needled filter material according to claim 1, which is characterized by comprising the following steps: the treatment fluid is a mixture of sodium dodecyl benzene sulfonate, polytetrafluoroethylene, acrylic resin, silicone oil, A-151, alcohol and glacial acetic acid.
5. The method for preparing the superfine double-sided glass fiber needled filter material according to claim 1, which is characterized by comprising the following steps: in the S2, the time for washing with water is 20-30 minutes, and the waiting time for sun-drying is 8-14 hours.
6. The method for preparing the superfine double-sided glass fiber needled filter material according to claim 1, which is characterized by comprising the following steps: and in the S4, the relative humidity is 60-70.
7. The method for preparing the superfine double-sided glass fiber needled filter material according to claim 1, which is characterized by comprising the following steps: in the S6, the pre-needling density is 60-100 needles per square centimeter.
8. The method for preparing the superfine double-sided glass fiber needled filter material according to claim 1, which is characterized by comprising the following steps: in the step S8, the primary drying temperature is 240 ℃ at 220 ℃ and three meters per minute, and the secondary drying temperature is 220 ℃ at 200 ℃ and four meters per minute.
9. The method for preparing the superfine double-sided glass fiber needled filter material according to claim 1, which is characterized by comprising the following steps: and in the S3, raw cotton of a small cotton grabbing fleet is adopted for grabbing and loosening the raw cotton during feeding.
10. The method for preparing the superfine double-sided glass fiber needled filter material according to claim 1, which is characterized by comprising the following steps: the components of the high-temperature resistant fiber product are inorganic fibers, such as asbestos fibers, glass fibers, metal fibers, nitrogen Laolan fibers and ceramic fibers.
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| CN101012600A (en) * | 2007-01-30 | 2007-08-08 | 李洪贤 | Super-thick glass fiber needle-punched felt and method for manufacturing same |
| CN201482328U (en) * | 2009-09-03 | 2010-05-26 | 营口创世纪滤材有限公司 | High-temperature resistant composite needle punched felt filter material |
| CN101829453A (en) * | 2010-05-28 | 2010-09-15 | 浙江理工大学 | Preparation method of high-temperature-resistant filtering material with high filtering efficiency |
| CN101984178A (en) * | 2010-11-10 | 2011-03-09 | 山东新力环保材料有限公司 | Pinprick material and manufacturing method thereof |
| US9085837B2 (en) * | 2012-09-26 | 2015-07-21 | Southern Felt Company, Inc. | Conductive filter media |
| US20140290017A1 (en) * | 2013-04-02 | 2014-10-02 | Hsu Tai Glass Fiber Co., Ltd. | Method for fabricating glass fiber-based structure |
| CN105365305A (en) * | 2014-08-27 | 2016-03-02 | 徐珂 | Glass fiber and polyester composite needle-punched felt and manufacturing method thereof |
| KR20180022258A (en) * | 2016-08-24 | 2018-03-06 | 한국섬유개발연구원 | Multi―Layer Wet―Laid Non Woven Fabric For Air Filter Media And Process Of Producing Thereof |
| CN110393979A (en) * | 2018-04-16 | 2019-11-01 | 南京际华三五二一环保科技有限公司 | A kind of preparation method of the degradable filtrate of vinal |
| CN109529452A (en) * | 2018-11-26 | 2019-03-29 | 辽宁凯富环保科技集团有限公司 | A kind of preparation method of glass fibre compound spiked felt filtering material |
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