CN108993027A - A kind of high temperature resistant, acid and alkali-resistance industrial filter cloth material - Google Patents
A kind of high temperature resistant, acid and alkali-resistance industrial filter cloth material Download PDFInfo
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- CN108993027A CN108993027A CN201810690491.5A CN201810690491A CN108993027A CN 108993027 A CN108993027 A CN 108993027A CN 201810690491 A CN201810690491 A CN 201810690491A CN 108993027 A CN108993027 A CN 108993027A
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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
- B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/12—Stretch-spinning methods
- D01D5/16—Stretch-spinning methods using rollers, or like mechanical devices, e.g. snubbing pins
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/10—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained by reactions only involving carbon-to-carbon unsaturated bonds as constituent
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/16—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds as constituent
-
- 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
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/005—Synthetic yarns or filaments
-
- 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
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
-
- 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
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Filtering Materials (AREA)
Abstract
The invention discloses a kind of high temperature resistants, acid and alkali-resistance industrial filter cloth material, are made of the raw material of following parts by weight: 30~60 parts of perfluoroethylene-propylene, 30~60 parts of polyphenylene sulfide, 20 ~ 30 parts of ethyl alcohol, distillation 20 ~ 30 parts of water-ethanol, 10 ~ 15 parts of polyester, polytetrafluoroethylene powder 1~5,1~3 part of chrome green, 10~15 parts of poly terephthalic acid diphenol propane rouge, 1~5 part of graphite powder.Industrial filter cloth made from treatment process of the present invention is in addition to having the advantages that common filter cloth materials are peculiar, and wearability is very good, with very high cost performance, recovery is fine, antistatic property is good, weaves that fabric is intensive, and particle entrapment is good by multiply doubling twist yarn, fissility, good permeability.The series of products have the characteristics that acid and alkali resistance, high intensity, strainability is good, easily deashing, intensity, wearability, water-leaking property is excellent.
Description
Technical field
The invention belongs to filter cloth production technical fields, and in particular to a kind of high temperature resistant, acid and alkali-resistance industrial filter cloth material.
Background technique
With the technological revolution and development of world industry, no matter chemistry, petroleum, metallurgy, food, light industry, medicine, biochemistry and
Separation process is all widely applied in the industry such as atomic energy, and any modernization industry nearly all ceases manner of breathing with filtering to some extent
It closes.Filter-cloth filtering technology as a high score from, concentration, purification and purification techniques, obtaining great development in every field.This
Kind of isolation technics have many advantages, such as it is easy to operate, consume energy less, occupied area it is small, without secondary pollution, especially have in terms of water process
Greatly application.Unfortunately, these industrial filter cloths are limited by material itself, in high temperature, high soda acid, high saliferous
The reaction such as oxidation, chemical breakdown can occur under amount wastewater conditions, service life is short, is not able to satisfy peracid alkali, high slat-containing wastewater, height
The requirement in the harshness such as warm waste water field.
For example, the patent industrial filter cloth of certain company is immersed in the lye that PH is 12.20 20 days under 40 degree of constant temperature, this
The section time interior parameters such as the strength of test sample, elongation, water penetration in different time, to investigate its chain cloth performance by alkali corruption
The case where erosion.Experiment discovery, filter cloth are immersed in lye, and filter cloth becomes brownish red, as the growth color of time can be increasingly
It is deep.When PH is 13 or more, filter cloth is even etched into black.Flexibility, that is, elongation of filter cloth then can be with the growth of time
And reduce, drop to 45% by original 80%.Therefore the water penetration of filter cloth can also reduce increase with time, above-mentioned in order to solve
The many insufficient and defects of the prior art, it is necessary to the enhanced special industrial filter cloth materials of a kind of high temperature resistant, acid and alkali-resistance are studied,
With properties such as the acid and alkali-resistance, the high temperature resistants that further increase filter cloth.
Summary of the invention
The purpose of the present invention is being directed to existing problem, a kind of high temperature resistant, acid and alkali-resistance industrial filter cloth material are provided.
The invention is realized by the following technical scheme:
A kind of high temperature resistant, acid and alkali-resistance industrial filter cloth material, are made of the raw material of following parts by weight:
30~60 parts of perfluoroethylene-propylene, 30~60 parts of polyphenylene sulfide, 20 ~ 30 parts of ethyl alcohol, distillation 20 ~ 30 parts of water-ethanol, polyester
10 ~ 15 parts, polytetrafluoroethylene powder 1~5,1~3 part of chrome green, 10~15 parts of poly terephthalic acid diphenol propane rouge, stone
1~5 part of ink powder.
A kind of high temperature resistant, the preparation method of acid and alkali-resistance industrial filter cloth material, comprising the following steps: (1) weighed each component
Raw material, it is spare；(2) first the polyphenylene sulfide of gross weight half is put into ball mill dry grind it is broken, dry grind it is broken after the completion of, then
Ethyl alcohol and distilled water are put into porcelain jar and carry out wet-milling, polyphenylene sulfide suspension is made；(3) by glass fibre, carbon fiber,
Chrome green, graphite powder are by blender mixing polyphenylene sulfide suspension, after being air-dried, heating melting and cooling
The mixture for being mixed with polyphenylene sulfide is made in hardening；(4) polytetrafluoroethylene powder and remaining polyphenylene sulfide are put into high speed again
It in mixing machine, is uniformly mixed with the mixture for being mixed with polyphenylene sulfide, is then gradually adding perfluoroethylene-propylene, is poly- to benzene two
Formic acid diphenol propane rouge, polyester after being mixed into plaster material, then this material are put into pelletizer, modeling are made in this material
Property strip material grain, be then placed in heat drying in baking oven, finally take out cooling and broken obtains containing crushed particles；(5) broken
Grain is put into exhaust-type single-screw pelletizer hopper, through extrusion, cooling, is granulated to obtain blending and modifying composite material granular；(6) it is blended
Modified composite material particle, effect of the material in barrel by temperature and shearing force is melted, and pushes head to by screw rod, is melted
The material melted is emitted into silk through the spinneret of head, cooling through cooling trough, then is heat-treated, batches through hot gas spring, sizing, then with
Monofilament is basic unit, using conventional filter cloth manufacturing process compile twist to get.
Further, extrusion temperature in the step (6) are as follows: first segment, 280~285 DEG C；Second segment, 290~295 DEG C；Third
Section, 300~305 DEG C；Latter end, 305~310 DEG C.
Further, hot gas spring in the step (6), the first drawing-off roller pressure are 1.0~1.05bar, the second draw roll
Pressure be 2.65~3.5bar, then dried at 155~165 DEG C, be then wound using take-up roll, the first volume around
Roller revolving speed be 1500m/min, second winding roller revolving speed be 2500m/min, third take-up roll revolving speed be 3200m/min, carry out into
One step drawing-off.
Beneficial effects of the present invention:
In a kind of high temperature resistant provided by the invention, the preparation process of acid and alkali-resistance industrial filter cloth material, glass is maintained by being blended
The indeformable excellent properties of fiber high-tensile, high temperature resistant, dimensionally stable；There are performance chemical fibre wearability, fold resistance good again
Feature makes filtrate material significantly improve, is cheap.Filter material surface is beautiful smooth bright and clean soft, and has rigidity.
Perfluoroethylene-propylene coating and polyphenylene sulfide coating are two kinds of high molecular materials haveing excellent performance.Perfluoroethylene-propylene
With excellent corrosion resistance, heat-resisting quantity and high tenacity, the disadvantage is that with metallic matrix poor bonding strength.Polyphenylene sulfide coating
Processing performance is good, and polyphenylene sulfide is with excellent thermal stability, flame retardant property, (oxidizing acid removes chemical resistance
Outside) and bond strength is high, thin and pin-free, and major defect is that brittleness is easy to crack greatly.Perfluoroethylene-propylene and polyphenylene sulfide are in property
Can on have complementarity.Two resinoids are passed through into blending and modifying, respective disadvantage can be overcome, exerted one's advantage, high polymer is formed and closes
Gold.
By blending and modifying, chemically treated effect has been played, has realized the chemical combination of organic material and inorganic material, has made to filter
The veil and scrim surfaces of cloth answer upper one layer of organic film；The effect for having played the post-processing technology of physics again keeps its acquisition excellent
Good surface state reaches multi-functional effect.
By blending and modifying, that has widened similar chemical fibre filter cloth materials uses temperature space；Compared with glass filter cloth, make resistance to
Mill property, acid and alkali-resistance, fold resistance significantly improve, and improve filtration velocity, extend service life.
The present invention has the advantage that compared with prior art
Further, the peel strength of filter cloth, glass fibre category fragile material are improved, production glass fiber felt is not easy needling density too
Greatly, otherwise glass fibre can be broken by thorn, therefore the connection of surface layer and base fabric is mainly by bonding；Chemical fibre is then pierced by biggish needle
Density embraces fiber and fiber, surface layer and base fabric and collectively forms one, to obtain tensile strength and peel strength, is not required to
The inoxidizability of filter cloth can be improved by chemical treatment, blending and modifying, the inoxidizability of polyphenylene sulfide fibre is very poor, if
Power plant operating condition O2, NOx content it is excessive if, the intensity of polyphenylene sulfide Nomex filtrate can decline at double, cause polyphenylene sulfide
Filter cloth is damaged.The inoxidizability and porosity of filter material can be improved in blending and modifying, improves gas permeability.Polytetrafluoroethylene fibre surface
Especially smooth, soft and sticky big, combing networking performance is excessively poor.But if some glasses or other fibers is blended, just
Net can be combed out to come.So the compound cohesive force that fiber can be improved, improvement networking performance.
Specific embodiment
Illustrate the present invention with specific embodiment below, but is not limitation of the present invention.
Embodiment 1
A kind of high temperature resistant, acid and alkali-resistance industrial filter cloth material, are made of the raw material of following parts by weight:
30~60 parts of perfluoroethylene-propylene, 30~60 parts of polyphenylene sulfide, 20 ~ 30 parts of ethyl alcohol, distillation 20 ~ 30 parts of water-ethanol, polyester
10 ~ 15 parts, polytetrafluoroethylene powder 1~5,1~3 part of chrome green, 10~15 parts of poly terephthalic acid diphenol propane rouge, stone
1~5 part of ink powder.
A kind of high temperature resistant, the preparation method of acid and alkali-resistance industrial filter cloth material, comprising the following steps: (1) weighed each component
Raw material, it is spare；(2) first the polyphenylene sulfide of gross weight half is put into ball mill dry grind it is broken, dry grind it is broken after the completion of, then
Ethyl alcohol and distilled water are put into porcelain jar and carry out wet-milling, polyphenylene sulfide suspension is made；(3) by glass fibre, carbon fiber,
Chrome green, graphite powder are by blender mixing polyphenylene sulfide suspension, after being air-dried, heating melting and cooling
The mixture for being mixed with polyphenylene sulfide is made in hardening；(4) polytetrafluoroethylene powder and remaining polyphenylene sulfide are put into high speed again
It in mixing machine, is uniformly mixed with the mixture for being mixed with polyphenylene sulfide, is then gradually adding perfluoroethylene-propylene, is poly- to benzene two
Formic acid diphenol propane rouge, polyester after being mixed into plaster material, then this material are put into pelletizer, modeling are made in this material
Property strip material grain, be then placed in heat drying in baking oven, finally take out cooling and broken obtains containing crushed particles；(5) broken
Grain is put into exhaust-type single-screw pelletizer hopper, through extrusion, cooling, is granulated to obtain blending and modifying composite material granular；(6) it is blended
Modified composite material particle, effect of the material in barrel by temperature and shearing force is melted, and pushes head to by screw rod, is melted
The material melted is emitted into silk through the spinneret of head, cooling through cooling trough, then is heat-treated, batches through hot gas spring, sizing, then with
Monofilament is basic unit, using conventional filter cloth manufacturing process compile twist to get.
Further, extrusion temperature in the step (6) are as follows: first segment, 280~285 DEG C；Second segment, 290~295 DEG C；
Third section, 300~305 DEG C；Latter end, 305~310 DEG C.
Further, hot gas spring in the step (6), the first drawing-off roller pressure are 1.0~1.05bar, the second draw roll
Pressure be 2.65~3.5bar, then dried at 155~165 DEG C, be then wound using take-up roll, the first volume around
Roller revolving speed be 1500m/min, second winding roller revolving speed be 2500m/min, third take-up roll revolving speed be 3200m/min, carry out into
One step drawing-off.
Embodiment 2
A kind of high temperature resistant, acid and alkali-resistance industrial filter cloth material, are made of the raw material of following parts by weight:
30~60 parts of perfluoroethylene-propylene, 30~60 parts of polyphenylene sulfide, 20 ~ 30 parts of ethyl alcohol, distillation 20 ~ 30 parts of water-ethanol, polyester
10 ~ 15 parts, polytetrafluoroethylene powder 1~5,1~3 part of chrome green, 10~15 parts of poly terephthalic acid diphenol propane rouge, stone
1~5 part of ink powder.
A kind of high temperature resistant, the preparation method of acid and alkali-resistance industrial filter cloth material, comprising the following steps: (1) weighed each component
Raw material, it is spare；(2) first the polyphenylene sulfide of gross weight half is put into ball mill dry grind it is broken, dry grind it is broken after the completion of, then
Ethyl alcohol and distilled water are put into porcelain jar and carry out wet-milling, polyphenylene sulfide suspension is made；(3) by glass fibre, carbon fiber,
Chrome green, graphite powder are by blender mixing polyphenylene sulfide suspension, after being air-dried, heating melting and cooling
The mixture for being mixed with polyphenylene sulfide is made in hardening；(4) polytetrafluoroethylene powder and remaining polyphenylene sulfide are put into high speed again
It in mixing machine, is uniformly mixed with the mixture for being mixed with polyphenylene sulfide, is then gradually adding perfluoroethylene-propylene, is poly- to benzene two
Formic acid diphenol propane rouge, polyester after being mixed into plaster material, then this material are put into pelletizer, modeling are made in this material
Property strip material grain, be then placed in heat drying in baking oven, finally take out cooling and broken obtains containing crushed particles；(5) broken
Grain is put into exhaust-type single-screw pelletizer hopper, through extrusion, cooling, is granulated to obtain blending and modifying composite material granular；(6) it is blended
Modified composite material particle, effect of the material in barrel by temperature and shearing force is melted, and pushes head to by screw rod, is melted
The material melted is emitted into silk through the spinneret of head, cooling through cooling trough, then is heat-treated, batches through hot gas spring, sizing, then with
Monofilament is basic unit, using conventional filter cloth manufacturing process compile twist to get.
Further, extrusion temperature in the step (6) are as follows: first segment, 280~285 DEG C；Second segment, 290~295 DEG C；
Third section, 300~305 DEG C；Latter end, 305~310 DEG C.
Further, hot gas spring in the step (6), the first drawing-off roller pressure are 1.0~1.05bar, the second draw roll
Pressure be 2.65~3.5bar, then dried at 155~165 DEG C, be then wound using take-up roll, the first volume around
Roller revolving speed be 1500m/min, second winding roller revolving speed be 2500m/min, third take-up roll revolving speed be 3200m/min, carry out into
One step drawing-off.
Comparative example 1
This comparative example compared with Example 2, weighs in step in raw material, saves perfluoroethylene-propylene ingredient, method in addition to this
Step is all the same.
Comparative example 2
This comparative example compared with Example 2, weighs in step in raw material, saves polyphenylene sulfide ingredient, method and step in addition to this
It is all the same.
Comparative example 3
This comparative example compared with Example 2, weighs in step in raw material, saves polyester component, and method and step in addition to this is homogeneous
Together.
The performance test results of filter cloth prepared by each embodiment and comparative example of table 1
The above embodiments are only used to illustrate and not limit the technical solutions of the present invention, although above-described embodiment carries out the present invention
It is described in detail, the related technical personnel of this field are it is understood that can modify to the present invention or replace on an equal basis, but not take off
Any modification and part replacement from spirit and scope of the invention should all be covered in scope of the presently claimed invention.
Claims (4)
1. a kind of high temperature resistant, acid and alkali-resistance industrial filter cloth material, which is characterized in that be made of the raw material of following parts by weight:
30~60 parts of perfluoroethylene-propylene, 30~60 parts of polyphenylene sulfide, 20 ~ 30 parts of ethyl alcohol, distillation 20 ~ 30 parts of water-ethanol, polyester
10 ~ 15 parts, polytetrafluoroethylene powder 1~5,1~3 part of chrome green, 10~15 parts of poly terephthalic acid diphenol propane rouge, stone
1~5 part of ink powder.
2. a kind of high temperature resistant according to claim 1, acid and alkali-resistance industrial filter cloth material, which is characterized in that including following step
It is rapid: (1) each component raw material has been weighed, it is spare；(2) first the polyphenylene sulfide of gross weight half is put into ball mill and is dry grinded
It is broken, after the completion of dry grinding is broken, then ethyl alcohol and distilled water are put into porcelain jar and carry out wet-milling, polyphenylene sulfide suspension is made；(3)
It is dry through air by glass fibre, carbon fiber, chrome green, graphite powder by blender mixing polyphenylene sulfide suspension
The mixture for being mixed with polyphenylene sulfide is made in dry rear, heating melting and hardening by cooling；(4) again by polytetrafluoroethylene powder and residue
Polyphenylene sulfide be put into high-speed mixer, be uniformly mixed, be then gradually adding poly- with the mixture for being mixed with polyphenylene sulfide
This material after being mixed into plaster material, then is put into granulation by perfluoroethylene-propylene (copolymer), poly terephthalic acid diphenol propane rouge, polyester
In machine, plasticity strip material grain is made in this material, is then placed in heat drying in baking oven, finally taking-up, which is cooled down and is crushed, to be contained
Crushed particles；(5) crushed particles are put into exhaust-type single-screw pelletizer hopper, through extrusion, cooling, be granulated blending and modifying is multiple
Condensation material particle；(6) blending and modifying composite material granular, effect of the material in barrel by temperature and shearing force are melted,
And head is pushed to by screw rod, the material of melting is emitted into silk through the spinneret of head, cooling through cooling trough, then through hot gas spring,
Sizing heat treatment is batched, then using monofilament as basic unit, compiled using the manufacturing process of conventional filter cloth twist to get.
3. a kind of high temperature resistant according to claim 2, acid and alkali-resistance industrial filter cloth material, it is characterised in that: the step (6)
Middle extrusion temperature are as follows: first segment, 280~285 DEG C；Second segment, 290~295 DEG C；Third section, 300~305 DEG C；Latter end, 305~
310℃。
4. a kind of high temperature resistant according to claim 2, acid and alkali-resistance industrial filter cloth material, it is characterised in that: the step (6)
Middle hot gas spring, the first drawing-off roller pressure is 1.0~1.05bar, the second drawing-off roller pressure is 2.65~3.5bar, then 155
It is dried at~165 DEG C, is then wound using take-up roll, first winding roller revolving speed is 1500m/min, second winding roller
Revolving speed is 2500m/min, and third take-up roll revolving speed is 3200m/min, carries out further drawing-off.
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| CN201810690491.5A CN108993027A (en) | 2018-06-28 | 2018-06-28 | A kind of high temperature resistant, acid and alkali-resistance industrial filter cloth material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109778334A (en) * | 2019-01-24 | 2019-05-21 | 鸡西市恒润滤布有限公司 | A kind of coal washing monofilament filter cloth and preparation method thereof |
| CN111001224A (en) * | 2019-12-23 | 2020-04-14 | 武汉纺织大学 | Self-cleaning anti-static high-temperature-resistant filter bag fabric and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109778334A (en) * | 2019-01-24 | 2019-05-21 | 鸡西市恒润滤布有限公司 | A kind of coal washing monofilament filter cloth and preparation method thereof |
| CN111001224A (en) * | 2019-12-23 | 2020-04-14 | 武汉纺织大学 | Self-cleaning anti-static high-temperature-resistant filter bag fabric and preparation method thereof |
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