CN109529452A - A kind of preparation method of glass fibre compound spiked felt filtering material - Google Patents
A kind of preparation method of glass fibre compound spiked felt filtering material Download PDFInfo
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- CN109529452A CN109529452A CN201811422273.XA CN201811422273A CN109529452A CN 109529452 A CN109529452 A CN 109529452A CN 201811422273 A CN201811422273 A CN 201811422273A CN 109529452 A CN109529452 A CN 109529452A
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0001—Making filtering elements
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- 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
- B01D2239/02—Types of fibres, filaments or particles, self-supporting or supported materials
- B01D2239/0216—Bicomponent or multicomponent fibres
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Abstract
The invention belongs to dedusting filtering material technical field, a kind of preparation method of glass fibre compound spiked felt filtering material, 1, alkali-free glass fibre yarn is made to glass fiber reinforcement base fabric；2, by the chopped silk of three kinds of acid and alkali-resistance synthetic staples, mixing being carried out together and is uniformly mixed, mixed raw material are carried out shredding through opener；3, composite fibre after shredding is subjected to combing through two carding machines and veil is made；4, Jing Liangtai lapping machine forms Nomex veil level yarn glass fiber reinforcement base fabric pacifies the grammes per square metre required according to Product Process above and below, thickness is layered on veil glass fiber reinforcement base fabric or more；5, glass fibre compound spiked felt is made through pre-needling machine, main needing machine and needing machine of having a shave in the Nomex veil level yarn for completing net；6, the glass fibre compound spiked felt of preparation is subjected to chemical size impregnation；7, the glass fibre compound spiked felt after dipping is baked through preliminary drying, longitude and latitude continues progressive temperature drying.
Description
Technical field
The invention belongs to dedusting filtering material technical fields, are related to high temperature resistant, the glass fibre of resistance to sulfur dioxide compound needle
Pierce the preparation method of felt filtering material.
Background technique
Existing glass fibre toughness is poor, wear-resisting.Folding resistance is bad, and especially to sulfur dioxide, organic synthetic fibers are resistance to
Sulfur dioxide product does not have the product of 200 DEG C of high temperature or more, is allowed to smelt row in filtering material industry such as silicon, manganese, nickel, iron
Industry, carbon black industry are all in 240-260 DEG C of high temperature production, and 1000-3500mg/Nm containing sulfur dioxide3More than.
For above-mentioned temperature tolerance, resistance to sulfur dioxide is wear-resisting, the poor problem of folding resistance, disclose a kind of synthetic fibers with
The preparation method of glass fibre composite acupuncture filtering material, comprising the following steps: enhancing base fabric, carding machine teasing needle thorn, surface
Processing, four steps, resistance to temperature can reach 260 DEG C 300 DEG C of moment, the 1000-3500mg/Nm of resistance to sulfur dioxide3, and in high temperature
Under the conditions of corrosion resistance be improved.
Summary of the invention
Technical problem solved by the invention overcomes the shortage of prior art place, and providing one kind can be by existing glass fibers
Nomex filtering material is tieed up in high temperature resistant, resistance to sulfur dioxide, wear-resisting, folding, gas permeability, the performance of chemical stability etc. is all
To in the high temperature resistant of raising, the preparation method of the glass fibre of resistance to sulfur dioxide compound spiked felt filtering material.
To achieve the above object, the technical solution adopted by the present invention is that:
A kind of preparation method of glass fibre compound spiked felt filtering material, includes the following steps,
Glass fiber reinforcement base fabric is made in alkali-free glass fibre yarn by step 1；
Step 2, be chopped three kinds of acid and alkali-resistance synthetic staples silk, carries out mixing together and is uniformly mixed, through opener handle
Mixed raw material carry out shredding；
Step 3, by composite fibre after shredding through two carding machines carry out combing veil is made；
Step 4, Jing Liangtai lapping machine pacify the grammes per square metre according to Product Process requirement, thickness in glass fiber reinforcement base fabric above and below
Veil is layered on glass fiber reinforcement base fabric or more, forms Nomex veil level yarn；
Step 5, by the Nomex veil level yarn for completing net through pre-needling machine, main needing machine and needing machine of having a shave, be made
Glass fibre compound spiked felt；
The glass fibre compound spiked felt of preparation is carried out chemical size impregnation by step 6；
Step 7 bakes the glass fibre compound spiked felt after dipping through preliminary drying, and longitude and latitude continues progressive temperature drying, heat
It is rolled into glass fiber composite filter material.
Preferably, in step 1, by alkali-free glass fibre twist yarn according to weaving process, by warping, drawing brown work
Skill is weaved using using high speed rapier loom, and weave is plain weave structure, and warp and weft selects 400tex alkali-free glass
Silvalin manufactures glass fiber reinforcement base fabric.
Preferably, in step 2, three kinds of acid and alkali-resistances are respectively polyphenylene sulfide, PTFE and Staple carbon fibers,
Its weight ratio is that polyphenylene sulfide accounts for 10-30%, and PTFE accounts for 10-20%, and Staple carbon fibers account for 2-5%；Surplus is glass fibre
Be chopped silk.
Preferably, in step 3, the chopped silk of staple fiber and glass chopped silk after shredding are combed through two
Raw material are combed the ready-made Nomex face for single fiber reticular structure by the combing of the cylinder working roll of reason machine, stripper roller, doffer
Yarn.
Preferably, in step 4, existing webbed veil will be combed, through Liang Tai Wang Jixianpu lower layer veil, enhancing
Then base fabric repaves face layer yarn in the upper surface of net, enhance base fabric in the centre of net, the veil of upper and lower level will be according to the technological requirements
Thickness and mass area ratio carry out lapping.
Preferably, in steps of 5, the set layer of veil will be completed through needing machine, upper layer veil, lower layer's veil with
The enhancing base fabric of middle layer is united, needle thorn, 2 knit stitch thorns, 1 on through 5 main needing machines, 2 upper needing machines, 2 platforms
Platform trimmer winds veil and the fiber of enhancing base fabric each other, and obvolvent is connected to be formed and be stood with high-intensitive microporous three-dimensional
The composite needle punched felt filter material of body structure.
Preferably, in step 6, the production method of the chemistry size includes:
Step 61, -78 parts of -2 parts of -10 parts of -10 parts of silane coupling agent, alcohol, Tween 80, water by following weight part ratio,
Colloid mill is added together and grinds 10-20min, the silane coupler solution of 10% concentration is made；
Step 62, polytetroxide ethylene 10-30%, 285# silicone oil 8-15%, acrylic resin 6- according to following weight ratio
10%, the silane coupler solution 7-12%, lead acetate 0.7-1.0% of 10% concentration, surplus are softened water, in sequence plus water
Dilution is added hopper and is mixed and made into chemical size.
Preferably, in step 7, to the compound spiked felt drying and processing after the infiltration of chemical size, drying is used
The drying box of horizontal two chambers, case is interior to store up cloth amount 60m, and the first chamber room temperature is controlled at 90 DEG C -120 DEG C, through compound needle
The second chamber is moved to after thorn the first chamber of felt drying, the room temperature of the second chamber is controlled at 220 DEG C -260 DEG C；After drying
Compound spiked felt carries out calendering processing to pressure through 260 DEG C of upper roller, 180 DEG C of lower roll.
Using the beneficial effects of the present invention are:
1, a kind of high temperature resistant of the invention, the glass fibre of resistance to sulfur dioxide compound spiked felt filtering material, solves existing glass
Glass fiber needled felt it is wear-resisting, folding and veil and enhancing base fabric adhesive force are poor, and high temperature resistant, resistance to sulfur dioxide increased
Filter material material, the service life used in dust-precipitator.
2, glass fibre with it is acidproof, the synthetic fibers of alkali are compound, and operating condition containing sulfur dioxide under the high temperature conditions is greatly improved
Under the conditions of be used for a long time, the resistance to temperature of the synthetic fibers of acid and alkali-resistance can be used for a long time at 190 DEG C or less.
3, the present invention is by the product of the compound preparation method production of the synthetic fibers of three kinds of acid and alkali-resistances and glass fibre
Can be excellent, good, wear-resisting, the folding of chemical-resistant stability energy, adhesion all improves a lot resistance to temperature can be long-term under 260 DEG C of high temperature
It uses, resistance to sulfur dioxide is in 1000-3500mg/Nm3。
4, the product prepared by the present invention is widely used in bioelectrogenesis, chemical industry ferrosilicon manganese iron, ferronickel lead, the smeltings such as zinc
Industry is refined, can be used for a long time in harsher work condition environment, filtering accuracy is high.High-strength low-ductility, high-efficiency low-resistance, gas permeability
Good, filtering accuracy is high, can reach 99.99% net dust emission 5Nm through PTFE overlay film dust collection rate3Hereinafter, meeting National Environmental guarantor
Protect dust emission standard.
Specific embodiment
In order to make the purpose of the present invention, implementer's case be more clear it is clear, below in conjunction with example, to the present invention into one
Step is described in detail.Specific embodiment described herein is only to be not intended to restrict the invention to explain in detail the present invention.
The present embodiment proposes a kind of preparation method of glass fibre compound spiked felt filtering material, includes the following steps,
Glass fiber reinforcement base fabric is made in alkali-free glass fibre yarn by step 1；
Step 2, be chopped three kinds of acid and alkali-resistance synthetic staples silk, carries out mixing together and is uniformly mixed, through opener handle
Mixed raw material carry out shredding；
Step 3, by composite fibre after shredding through two carding machines carry out combing veil is made；
Step 4, Jing Liangtai lapping machine pacify the grammes per square metre according to Product Process requirement, thickness in glass fiber reinforcement base fabric above and below
Veil is layered on glass fiber reinforcement base fabric or more, forms Nomex veil level yarn；
Step 5, by the Nomex veil level yarn for completing net through pre-needling machine, main needing machine and needing machine of having a shave, be made
Glass fibre compound spiked felt；
The glass fibre compound spiked felt of preparation is carried out chemical size impregnation by step 6；
Step 7 bakes the glass fibre compound spiked felt after dipping through preliminary drying, and longitude and latitude continues progressive temperature drying, heat
It is rolled into glass fiber composite filter material.
Preferably, in step 1, by alkali-free glass fibre twist yarn according to weaving process, by warping, drawing brown work
Skill is weaved using using high speed rapier loom, and weave is plain weave structure, and warp and weft selects 400tex alkali-free glass
Silvalin manufactures glass fiber reinforcement base fabric.
Preferably, in step 2, three kinds of acid and alkali-resistances are respectively polyphenylene sulfide, PTFE and Staple carbon fibers,
Its weight ratio is that polyphenylene sulfide accounts for 10-30%, and PTFE accounts for 10-20%, and Staple carbon fibers account for 2-5%；Surplus is glass fibre
Be chopped silk.
Preferably, in step 3, the chopped silk of staple fiber and glass chopped silk after shredding are combed through two
Raw material are combed the ready-made Nomex face for single fiber reticular structure by the combing of the cylinder working roll of reason machine, stripper roller, doffer
Yarn.
Preferably, in step 4, existing webbed veil will be combed, through Liang Tai Wang Jixianpu lower layer veil, enhancing
Then base fabric repaves face layer yarn in the upper surface of net, enhance base fabric in the centre of net, the veil of upper and lower level will be according to the technological requirements
Thickness and mass area ratio carry out lapping.
Preferably, in steps of 5, the set layer of veil will be completed through needing machine, upper layer veil, lower layer's veil with
The enhancing base fabric of middle layer is united, needle thorn, 2 knit stitch thorns, 1 on through 5 main needing machines, 2 upper needing machines, 2 platforms
Platform trimmer winds veil and the fiber of enhancing base fabric each other, and obvolvent connects to be formed with high-intensitive micropore solid three
Tie up the composite needle punched felt filter material of main structure.
Preferably, in step 6, the production method of the chemistry size includes:
Step 61, -78 parts of -2 parts of -10 parts of -10 parts of silane coupling agent, alcohol, Tween 80, water by following weight part ratio,
Colloid mill is added together and grinds 10-20min, the silane coupler solution of 10% concentration is made；
Step 62, polytetroxide ethylene 10-30%, 285# silicone oil 8-15%, acrylic resin 6- according to following weight ratio
10%, the silane coupler solution 7-12%, lead acetate 0.7-1.0% of 10% concentration, surplus are softened water, in sequence plus water
Dilution is added hopper and is mixed and made into chemical size.
Preferably, in step 7, to the compound spiked felt drying and processing after the infiltration of chemical size, drying is used
The drying box of horizontal two chambers, case is interior to store up cloth amount 60m, and the first chamber room temperature is controlled at 90 DEG C -120 DEG C, through compound needle
The second chamber is moved to after thorn the first chamber of felt drying, the room temperature of the second chamber is controlled at 220 DEG C -260 DEG C；After drying
Compound spiked felt carries out calendering processing to pressure through 260 DEG C of upper roller, 180 DEG C of lower roll.
It is illustrated below by preparation method of the embodiment to glass fibre compound spiked felt filtering material.
Embodiment 1
The present embodiment proposes a kind of preparation method of glass fibre compound spiked felt filtering material, is to make according to the following steps
Standby:
Alkali-free glass fibre is held yarn by step 1, is arranged according to weaving process, draws palm fibre, using high saturating rapier loom
It carries out weaving the fabric tissue being plain weave structure, warp and weft selects 400tex fiber yarn.
Step 2, to prepare compound spiked felt with veil be by three acid and alkali-resistance organic synthesis staple fibers, and alkali-free glass fibre is short
Mixing method and formula rate are as follows together for chopping: according to weight ratio polyphony thioether short fiber 2%, PTFE staple fiber 6%, carbon
Fiber staple fiber 3%, surplus are the chopped silk of alkali-free glass fibre.Above-mentioned four kinds of raw material are uniformly mixed through opener in proportion
Run pine jointly.
Step 3, the multiple fiber that will mix shredding, the cylinder working roll of Jing Liangtai carding machine, stripper roller doffer is by former material
Material combing becomes the Nomex veil of filament web shape structure.
Step 4 will comb existing webbed veil through two lapping machine Xian Pu lower layer veils, enhance base fabric in the upper of net
Level yarn is being spread in face, makes to enhance base fabric in the centre of two layers of mesh, veil will carry out lapping according to desired grammes per square metre, thickness.
Step 5, the set layer that veil will be completed, through pre-needling machine, five main needing machines, wherein upper needing machine two, under
Needing machine two, face needle of repairing watch pierces one and face yarn fibers is made a spurt to the both ends of enhancing base fabric, twines face yarn fibers each other
Around obvolvent connection forms the microporous three-dimensional stereochemical structure with high-temperature, triumphant fluorine spy compound spiked felt filtering material is made.
Step 6, first by -78 parts of -2 parts of -10 parts of -10 parts of silane coupling agent, alcohol, Tween 80, the water of following weight part ratio,
Colloid mill is added together and grinds 10-20min, the silane coupler solution of 10% concentration is made；Chemical size is post-processed to prepare
Method and dosage, prepare according to following weight ratio: polytetrafluoroethylene (PTFE) 10%, 285# silicone oil 3%, acrylic resin 3%, 10% are dense
The silane coupler solution 10% of degree, lead acetate 0.7%, hopper stirring is added in the above raw material after being diluted with water in the above sequence equal
It is even, surplus softened water.
Step 7, the chemical solvent by preparation are added in dipping tank, and compound spiked felt is permeated through chemical raw material, and dipping is then
Through two horizontal chambers, water heater, prebake chamber controls the roasting at 90-120 DEG C with dry chamber, prebake chamber temperature is baked
Baking oven room temperature is controlled at 230 DEG C, is that chemical raw material is fully cured on Nomex surface of subduing a tiger under high temperature action, is formed protection
Layer, the compound spiked felt after drying carry out calendering processing to pressure through 260 DEG C of upper roller, 180 DEG C of lower roll, make compound spiked felt table
Face is smooth.Until high temperature resistant, the resistance to triumphant fluorine spy compound spiked felt filtering material of sulfur dioxide.
Embodiment 2
The present embodiment proposes a kind of preparation method of glass fibre compound spiked felt filtering material, is to make according to the following steps
Standby:
Alkali-free glass fibre is held yarn by step 1, is carried out according to weaving process, and warping draws palm fibre, using height -- arrow shaft woven fabric
Machine is weaved, and the fabric tissue is plain weave structure, and warp and weft selects 400tex alkali-free glass fibre yarn.
Step 2 prepares compound spiked felt veil, is by three acid and alkali-resistance organic synthesis staple fibers, alkali-free glass fibre is short
Chopping mixing together, mixing preparation method and configuration proportion, according to weight ratio polyphony thioether short fiber 15%, PTFE staple fiber
8%, Staple carbon fibers 4%, surplus is alkali-free glass fibre staple fiber.By above-mentioned four kinds of raw material in proportion uniformly through opening
Loose machine mixing shredding.
The multiple fiber for mixing shredding is copied working roll through the tin of two carding machines by step 3, and doffer combs multiple fiber
Nomex veil as single fiber reticular structure.
Step 4 will comb webbed veil, and Jing Liangtai lapping machine elder generation lapping machine Xian Pu lower layer's veil enhances base fabric in face
The upper surface of yarn is spreading level yarn, the thickness that enhancing base fabric will be required in the centre of upper and lower level net, veil according to technique, unit
Area quality carries out the veil of general emerging paving Nomex.
Step 5, the set layer that veil will be completed, through pre-needling machine, five main needing machines wherein upper needing machine two, knit stitch
Two, thorn machine, modify surface needing machine one, by upper and lower level face yarn fibers spurt to enhancing base fabric both ends, make face yarn fibers that
This machine -- winding, obvolvent connection, forms the microporous three-dimensional stereochemical structure with high-temperature.Compound spiked felt filtering material is made.
Step 6, first by -78 parts of -2 parts of -10 parts of -10 parts of silane coupling agent, alcohol, Tween 80, the water of following weight part ratio,
Colloid mill is added together and grinds 10-20min, the silane coupler solution of 10% concentration is made；Afterwards by manufactured compound spiked felt,
It is wanted to improve its service performance, carries out chemical raw material and permeate impregnation, agent compounding method and dosage are infiltrated, according to following weight ratio
Prepare: polytetrafluoroethylene (PTFE) 15%, 285# silicone oil 5%, acrylic resin 4.5%, 10% concentration silane coupler solution
6.5%, lead acetate 1%, the above raw material are added hopper after being diluted with water in the above sequence and stir evenly, surplus softened water.
Step 7, the chemical solvent by preparation are added in dipping tank, the nearly chemical raw material infiltration of compound spiked felt, dipping -- after
Through two horizontal drying chamber pre-baking box room temperature controls at 90-120 DEG C, dry chamber temperature control is baked at 230 DEG C, in high temperature
It is that chemical raw material is fully cured in compound spiked felt surface formation protective layer under effect.Compound spiked felt after drying is through big straight
Diameter double roller hot rolling, 260 DEG C of upper roll temperature, 180 DEG C of lower roll temperatures keep compound spiked felt surface smooth pressure, until resistance to height
Temperature, the resistance to triumphant fluorine spy compound spiked felt material much of that of sulfur dioxide.
Embodiment 3
The present embodiment proposes a kind of preparation method of glass fibre compound spiked felt filtering material, is to make according to the following steps
Standby:
Alkali-free glass fibre is held yarn by step 1, is arranged according to weaving process, draws palm fibre, using high saturating rapier loom
It carries out weaving the fabric tissue being plain weave structure, warp and weft selects 400tex fiber yarn.
Step 2, to prepare compound spiked felt with veil be by three acid and alkali-resistance organic synthesis staple fibers, and alkali-free glass fibre is short
Mixing method and formula rate are as follows together for chopping: according to weight ratio polyphony thioether short fiber 20%, PTFE staple fiber 10%,
Staple carbon fibers 5%, surplus are the chopped silk of alkali-free glass fibre.By above-mentioned four kinds of raw material in proportion uniformly through opener
Mix shredding.
Step 3, the multiple fiber that will mix shredding, the cylinder working roll of Jing Liangtai carding machine, stripper roller doffer is by former material
Material combing becomes the Nomex veil of filament web shape structure.
Step 4 will comb existing webbed veil through two lapping machine Xian Pu lower layer veils, enhance base fabric in the upper of net
Level yarn is being spread in face, makes to enhance base fabric in the centre of two layers of mesh, veil will carry out lapping according to desired grammes per square metre, thickness.
Step 5, the set layer that veil will be completed, through pre-needling machine, five main needing machines, wherein upper needing machine two, under
Needing machine two, face needle of repairing watch pierces one and face yarn fibers is made a spurt to the both ends of enhancing base fabric, twines face yarn fibers each other
Around obvolvent connection forms the microporous three-dimensional stereochemical structure with high-temperature, triumphant fluorine spy compound spiked felt filtering material is made.
Step 6, first by -78 parts of -2 parts of -10 parts of -10 parts of silane coupling agent, alcohol, Tween 80, the water of following weight part ratio,
Colloid mill is added together and grinds 10-20min, the silane coupler solution of 10% concentration is made；Handle chemical size preparation side
Method and dosage are prepared: polytetrafluoroethylene (PTFE) 20%, 285# silicone oil 8%, acrylic resin 6%, 10% concentration according to following weight ratio
Silane coupler solution 8%, lead acetate 0.9%, the above raw material be diluted with water in the above sequence after be added hopper stir evenly,
Surplus softened water.
Step 7, the chemical solvent by preparation are added in dipping tank, and compound spiked felt is permeated through chemical raw material, and dipping is then
Through two horizontal chambers, water heater, prebake chamber controls the roasting at 90-120 DEG C with dry chamber, prebake chamber temperature is baked
Baking oven room temperature is controlled at 230 DEG C, is that chemical raw material is fully cured on Nomex surface of subduing a tiger under high temperature action, is formed protection
Layer, the compound spiked felt after drying carry out calendering processing to pressure through 260 DEG C of upper roller, 180 DEG C of lower roll, make compound spiked felt table
Face is smooth.Until high temperature resistant, the resistance to triumphant fluorine spy compound spiked felt filtering material of sulfur dioxide.
Prepared by a kind of high temperature resistant to embodiment 1- embodiment 3, the resistance to triumphant fluorine spy compound spiked felt filtering material of sulfur dioxide into
Row mechanical and physical performance and acidproof, alkali performance detection, from the 500-1000mg/nm of resistance to sulfur dioxide3、1000-2000mg/nm3、
2000-3500mg/nm3Three kinds of environmental testings, through performance comparison, detection and comparing result are shown in Table 1.
1 mechanical and physical performance Testing index of table
| Product | Example 1 | Example 2 | Example 3 | It is produced without acid and alkali-resistance |
| Single-area quality (g/m2) | 850±20 | 900±20 | 950±20 | 850 |
| Thickness (mm) | 1.8-2.0 | 2.0-2.2 | 2.2-2.4 | 1.8-2.0 |
| Tension failure degree is radial | 1852 | 2044 | 2208 | 1631 |
| (N/5*10cm) broadwise | 1976 | 2192 | 2381 | 1782 |
| Filtration velocity (m/min) | 0.8-1.0 | 0.8-1.0 | 0.8-1.2 | 0.8-1.0 |
| Resistance to temperature | 260 | 260 | 260-280 | 260 |
| Acid resistance | It is excellent | It is excellent | It is excellent | Difference |
| Alkali resistance | It is excellent | It is excellent | It is excellent | Difference |
| Wear-resisting folding resistance | It is excellent | It is excellent | It is excellent | It is good |
| Hydrolytic resistance | It is good | It is excellent | It is excellent | Difference |
| Resistance to sulfur dioxide | 1000mg/Nm3 | 2000mg/Nm3 | 3500mg/Nm3 | Difference |
Triumphant fluorine spy series of products are through the reasonable veil ingredient of acid resistance and post-processing chemical raw material acid resistance as seen from Table 1
Preparation, high temperature resistant, the compound spiked felt of resistance to sulfur dioxide is made, is greatly improved in service performance, the present invention at
Fruit solves to be widely applied in hot conditions acid and alkali-resistance filtering material, improves the overall performance of triumphant fluorine spy compound spiked felt, especially
It makes it have acidproof, alkaline resistance properties, chemical stability, and wear-resisting folding resistance improves a lot, can be widely applied to high temperature and
Use under severe working condition, the smelting industries such as ferrosilicon, manganese iron, ferronickel, steel industry, blast furnace gas filtering, limekiln
With filtrate, cement kiln end, the industries such as chemical industry carbon black, its long service life filters dust precision height, according to national environmental protection, cigarette
Gas, dust emission standard the dust collection rates of the triumphant fluorine spy compound spiked felt series of products of strict control can reach 99.99%, dust row
It puts and can reach 5-20mg/Nm3Below.
The above is only a preferred embodiment of the present invention, for those of ordinary skill in the art, according to the present invention
Thought, in specific embodiments and applications can be with many changes may be made, as long as these variations are without departing from structure of the invention
Think, all belongs to the scope of protection of the present invention.
Claims (8)
1. a kind of preparation method of glass fibre compound spiked felt filtering material, it is characterised in that: include the following steps,
Glass fiber reinforcement base fabric is made in alkali-free glass fibre yarn by step 1；
Step 2, be chopped three kinds of acid and alkali-resistance synthetic staples silk, carries out mixing together and is uniformly mixed, through opener mixed
Raw material carry out shredding；
Step 3, by composite fibre after shredding through two carding machines carry out combing veil is made；
Step 4, Jing Liangtai lapping machine pacify the grammes per square metre according to Product Process requirement, thickness face in glass fiber reinforcement base fabric above and below
Yarn is layered on glass fiber reinforcement base fabric or more, forms Nomex veil level yarn；
Step 5, by the Nomex veil level yarn for completing net through pre-needling machine, main needing machine and needing machine of having a shave, glass is made
Fiber composite Nomex；
The glass fibre compound spiked felt of preparation is carried out chemical size impregnation by step 6；
Step 7 bakes the glass fibre compound spiked felt after dipping through preliminary drying, and longitude and latitude continues progressive temperature drying, hot rolling
At glass fiber composite filter material.
2. the preparation method of glass fibre compound spiked felt filtering material according to claim 1, it is characterised in that: in step
In rapid 1, by alkali-free glass fibre twist yarn, according to weaving process, by warping, brown technique is drawn, uses and uses high speed arrow shaft woven fabric
Machine is weaved, and weave is plain weave structure, and warp and weft selects 400tex alkali-free glass fibre yarn to manufacture glass fiber reinforcement
Base fabric.
3. the preparation method of glass fibre compound spiked felt filtering material according to claim 1, it is characterised in that: in step
In rapid 2, three kinds of acid and alkali-resistances are respectively polyphenylene sulfide, PTFE and Staple carbon fibers, and weight ratio is that polyphenylene sulfide accounts for 10-
30%, PTFE account for 10-20%, and Staple carbon fibers account for 2-5%；Surplus is glass chopped silk.
4. the preparation method of glass fibre compound spiked felt filtering material according to claim 3, it is characterised in that: in step
In rapid 3, the staple fiber after shredding is chopped silk and glass chopped silk, the cylinder working roll of Jing Liangtai carding machine, stripper roller,
Raw material are combed the ready-made Nomex veil for single fiber reticular structure by the combing of doffer.
5. the preparation method of glass fibre compound spiked felt filtering material according to claim 1, it is characterised in that: in step
In rapid 4, existing webbed veil will be combed, through Liang Tai Wang Jixianpu lower layer veil, enhances base fabric and is then repaved in the upper surface of net
Upper layer veil, enhancing base fabric in the centre of net, the veil of upper and lower level will thickness according to the technological requirements and mass area ratio into
Row lapping.
6. the preparation method of glass fibre compound spiked felt filtering material according to claim 1, it is characterised in that: in step
In rapid 5, by the set layer for completing veil through needing machine, upper layer veil, lower layer's veil are combined with the enhancing base fabric of middle layer
Together, needle thorn, 2 knit stitch thorns, 1 trimmer make veil and enhancing base on through 5 main needing machines, 2 upper needing machines, 2 platforms
The fiber of cloth is wound each other, and obvolvent connects to form the composite acupuncture felt filter with high-intensitive microporous three-dimensional stereochemical structure
Material.
7. the preparation method of glass fibre compound spiked felt filtering material according to claim 1, it is characterised in that: in step
In rapid 6, the production method of the chemistry size includes:
Step 61, -78 parts of -2 parts of -10 parts of -10 parts of silane coupling agent, alcohol, Tween 80, water by following weight part ratio, together
Colloid mill is added and grinds 10-20min, the silane coupler solution of 10% concentration is made；
Step 62, according to polytetroxide ethylene 10-30%, 285# silicone oil 8-15% of following weight ratio, acrylic resin 6-10%,
The silane coupler solution 7-12% of 10% concentration, lead acetate 0.7-1.0%, surplus are softened water, are diluted with water in sequence
Hopper is added and is mixed and made into chemical size.
8. the preparation method of glass fibre compound spiked felt filtering material according to claim 1, it is characterised in that: in step
In rapid 7, to the compound spiked felt drying and processing after the infiltration of chemical size, drying box of the drying using horizontal two chambers, case
Interior storage cloth amount 60m, the first chamber room temperature are controlled at 90 DEG C -120 DEG C, are moved to after the drying of the first chamber of compound spiked felt
The room temperature of second chamber, the second chamber is controlled at 220 DEG C -260 DEG C；Compound spiked felt after drying through 260 DEG C upper roller,
180 DEG C of lower roll carries out calendering processing to pressure.
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| CN111389096A (en) * | 2019-12-31 | 2020-07-10 | 南京际华三五二一环保科技有限公司 | Preparation method of superfine double-sided glass fiber needle-punched filter material |
| CN111589228A (en) * | 2019-12-20 | 2020-08-28 | 上海相寻电子科技有限公司 | Filter material, preparation method and application thereof |
| CN113320236A (en) * | 2021-05-27 | 2021-08-31 | 江苏喜洋洋环保设备科技有限公司 | Preparation method for improving temperature resistance of alkali-free glass fiber woven fabric filter material |
| CN113370619A (en) * | 2021-06-22 | 2021-09-10 | 江苏喜洋洋环保设备科技有限公司 | Method for manufacturing adhesive force of reinforced glass fiber composite needled felt |
| CN113652799A (en) * | 2021-09-14 | 2021-11-16 | 安徽利通达纤维新材料有限公司 | Preparation process method of needle-punched dust removal filter cloth |
| CN114990789A (en) * | 2022-04-20 | 2022-09-02 | 巩义市泛锐熠辉复合材料有限公司 | Device and method for continuously preparing silicon dioxide gel felt |
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| CN114990789A (en) * | 2022-04-20 | 2022-09-02 | 巩义市泛锐熠辉复合材料有限公司 | Device and method for continuously preparing silicon dioxide gel felt |
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