CN107744690A - MULTILAYER COMPOSITE felt is used in one kind filtering - Google Patents
MULTILAYER COMPOSITE felt is used in one kind filtering Download PDFInfo
- Publication number
- CN107744690A CN107744690A CN201710970597.6A CN201710970597A CN107744690A CN 107744690 A CN107744690 A CN 107744690A CN 201710970597 A CN201710970597 A CN 201710970597A CN 107744690 A CN107744690 A CN 107744690A
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- CN
- China
- Prior art keywords
- filtering
- fibre
- glass
- composite felt
- layer
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0001—Making filtering elements
-
- 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
- B01D46/54—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms
- B01D46/546—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms using nano- or microfibres
-
- 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
-
- 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
- B01D2239/12—Special parameters characterising the filtering material
- B01D2239/1283—Stability index
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2273/00—Operation of filters specially adapted for separating dispersed particles from gases or vapours
- B01D2273/20—High temperature filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2275/00—Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
- B01D2275/10—Multiple layers
Abstract
The invention discloses a kind of filtering MULTILAYER COMPOSITE felt, the filtering includes base fabric, the first filter layer and the second filter layer with MULTILAYER COMPOSITE felt, it is arranged in order, scrim material is that polyphenylene sulfide fibre and glass fibre mixed weaving are made and are located at outermost layer, first filtering layer material is 0.5~3 μm and 20~50 μ m diameter glass fiber composite mats are placed in base fabric upper surface layer, and the second filtering layer material is that ultra-fine fibre glass and polytetrafluoroethylene fibre composite felt are placed in the first filtering layer upper surface layer.Filtering MULTILAYER COMPOSITE felt can give full play to glass fibre and the respective performance advantage of polytetrafluoroethylene (PTFE), polyphenylene sulfide fibre, make up mutual deficiency, performance synergy generates good comprehensive effect, obtains the novel filter material of good, wear-resistant etc. the excellent performance of high temperature resistant, chemical resistance, mechanical property.
Description
Technical field
The present invention relates to a kind of filtering material, more particularly to a kind of filtering multilayer materials.
Background technology
Glass fiber filter material is strong with its high temperature resistant, corrosion resistance, good stability of the dimension and be widely used in high temperature mistake
Filter Material Field.Especially very by green grass or young crops in terms of the off-gas recovery of the industry high-temperature field such as cement, metallurgy, carbon black and coal-burning boiler
Look at.To adapt to collect the needs of high-temperature flue gas fine dust recovery, glass fabric has also evolved to three-dimensional from two-dimensional structure
Structure, but either two dimension or three-dimensional glass fiber filter material, all have that deashing property is poor, running resistance height, makes
It is especially not high to less than 1 micron of the fine dust rate of recovery with limitations such as short lifes.As country is to air contaminant treatment power
Degree continues to increase, and efficient, low-resistance, the composite filtering material of long-life are administered industry in high-temperature flue gas and arisen at the historic moment.
The problem of in order to overcome original simple glass fiber filter material to exist, the present patent application propose that a kind of filtering is used
MULTILAYER COMPOSITE felt, it can give full play to glass fibre and the respective performance advantage of polytetrafluoroethylene (PTFE), polyphenylene sulfide fibre, make up
Mutual deficiency, synergy generate good comprehensive effect, can especially meet less than 1 micron of fine dust recovery
Needs.
Application No. CN01262656.2 utility model patent discloses a kind of Multi-layer glass fiber composite felt,
Glass fibre acupuncture composite felt (hereinafter referred to as Nomex) is mainly made up of base fabric 1 and carpet veneer 2, and base fabric 1 has been skeleton function, felt
Layer 2 is placed in base fabric 1, by the mechanical movement repeatedly up and down with broach, carpet veneer 2 is mutually intersected with the fiber in base fabric 1
Fork, link, be combined into one each other.Carpet veneer base fabric (1) is that glass fibre makees warp thread or latitude with the mixed fiber of synthetic fibers
Yarn braiding forms, and carpet veneer (2-1) is glass fibre carpet veneer, and carpet veneer (2-2) is synthetic fibers carpet veneer.This Nomex high temperature resistant,
It is corrosion-resistant, filtered particularly suitable for high-temperature dust, its filter efficiency is up to more than 99.9%, is the new of smelting reason hot industry flue gas
Type filtering material.
Application No. CN201120218523.5 utility model patent discloses a kind of glass fiber composite filter material,
It includes glass fiber filter cloth and PTFE anti-wear coating, it is characterised in that：Described glass fiber filter cloth is by passing through
Yarn and weft yarn are made into, and described warp thread uses the impregnated 80 12 strands of alkali-free glass fiber yarns of polytetrafluoroethylene (PTFE), and described weft yarn is adopted
It is that 80 12 strands of alkali-free buiky yarns and polytetrafluoroethylene (PTFE) monfil blending form.Described PTFE anti-wear coating
It is after glass fiber filter cloth is made into, ptfe emulsion and thickener is mixed into pastel, uniformly coated in glass
The one side windward of glass fiber filter cloth, form the PTFE anti-wear coating of 0.3~0.8mm thickness.It can not only improve
With improve the acidproof, alkaline-resisting of glass fabric, folding quality so that being tied between glass fiber filter cloth and wear-resistant coating
The firmness of conjunction improves a lot, and can extend 2~3 times of the service life of filtrate, is widely used in the height of the industries such as cement, metallurgy
The recovery of warm flue gas.
However, for the filtering material high temperature resistant in above-mentioned patent in the stronger adverse circumstances of some high temperature, acid-base property, it is resistance to
Acid-base property is limited.Therefore, it is necessary to invent a kind of the new of good, wear-resistant etc. the performance of high temperature resistant, chemical resistance, mechanical property
Type filtering material.
The content of the invention
It is contemplated that overcome the deficiencies in the prior art, there is provided a kind of high temperature resistant, chemical resistance, mechanical property be good,
Anti abrasive high-performance filtration MULTILAYER COMPOSITE felt.
For realize the object of the invention use technical scheme be：A kind of filtering MULTILAYER COMPOSITE felt is provided, its feature exists
Include base fabric, the first filter layer and the second filter layer with MULTILAYER COMPOSITE felt in the filtering, be arranged in order, the scrim material is
Polyphenylene sulfide fibre and glass fibre mixed weaving are made, and the first filtering layer material is that different fibre diameter glass fibres are answered
Felt is closed, the second filtering layer material is ultra-fine fibre glass and polytetrafluoroethylene fibre composite felt.
Further, the polyphenylene sulfide fibre and glass fibre in mass ratio be 1: (3~8) mixing after do warp thread or
Weft yarns are made, and positioned at outermost layer, thickness is 0.1~2mm, and described glass fiber diameter is 1~30 μm.
Further, the glass of a diameter of 0.5~3 μm and 20~50 μm of the different fibre diameter glass fiber composite mats
Fiber in mass ratio 1: (5~20) are mixed, is placed in base fabric upper surface layer, and thickness is 1~8mm.
Further, MULTILAYER COMPOSITE felt is used in a kind of described filtering, it is characterised in that the ultra-fine fibre glass and poly- four
PVF fiber composite felt is in mass ratio (10~25): 1 is mixed, and is placed in the first filtering layer upper surface layer, the ultra-fine glass
Glass fibre diameter is 0.5~2 μm, and thickness is 1~8mm.
Further, MULTILAYER COMPOSITE felt is used in a kind of described filtering, it is characterised in that the base fabric, the first filter layer and the
Two filterings are layering successively to be positioned between two metallic plates, and 6~8h is dried in 30~80 DEG C of baking ovens, is subsequently placed in room temperature
2~8h, obtain the filtering MULTILAYER COMPOSITE felt that thickness is about 2~20mm.
Application effect：The present invention compared with prior art, has advantages below：(1) super glass wool surface density is low, has
Extremely low thermal conductivity factor, excellent heat-proof quality so that the material can also be widely used in hot environment；(2)
Polytetrafluoroethylene (PTFE) is the aggregated high-molecular compound formed, has excellent chemical stability, corrosion resistance, sealing, height
Lubricate non-stick, electrical insulating property and good anti-aging endurance.Polytetrafluoroethylene fibre and glass fibre composite filter felt can be with
Realize that performance has complementary advantages, obtain high-performance filtration felt；(3) chemical resistance is only second to the polyphenylene sulfide fibre of polytetrafluoroethylene fibre
Dimension, has preferable textile process performance, glass fibre and the compound base fabric of making of polyphenylene sulfide fibre are while skeleton function is played
Also there is preferable strainability and wear-resistant.
Brief description of the drawings
Fig. 1 is a kind of structural representation of filtering MULTILAYER COMPOSITE felt of the present invention；
Diagram 10 is base fabric, and 20 be the first filter layer, and 30 be the second filter layer.
Embodiment
With reference to specific embodiment, the present invention is furture elucidated, it should be understood that these embodiments are merely to illustrate the present invention
Rather than limitation the scope of the present invention, after the present invention has been read, various equivalences of the those skilled in the art to the present invention
The modification of form falls within the application appended claims and limited.
Embodiment 1
As shown in figure 1, MULTILAYER COMPOSITE felt, including base fabric, the first filter layer and the second filter layer are used in a kind of filtering, arrange successively
Row, scrim material are that polyphenylene sulfide fibre and glass fibre mixed weaving are made, and the first filtering layer material is different fibre diameters
Glass fiber composite mat, the second filtering layer material is ultra-fine fibre glass and polytetrafluoroethylene fibre composite felt.
Polyphenylene sulfide fibre and glass fibre do warp thread after being mixed in mass ratio by 1: 5 or weft yarns are made, and is located at
Outermost layer, thickness 1.00mm, glass fiber diameter are 20 μm.
The glass fibre in mass ratio 1: 15 that a diameter of 2 μm and 30 μm of glass fiber composite mat is mixed, and is placed in base fabric
Upper surface layer, thickness 6mm.
Ultra-fine fibre glass and polytetrafluoroethylene fibre composite felt are mixed for 15: 1 in mass ratio, are placed in the first filtering layer
Upper surface layer, a diameter of 1.0 μm of ultra-fine fibre glass, thickness 4mm.
Base fabric, the first filter layer and the second filtering are layering are positioned between two metallic plates successively, in 60 DEG C of baking ovens
Interior dry 7h, is subsequently placed in room temperature 6h, obtains the filtering MULTILAYER COMPOSITE felt that thickness is about 10mm.
Embodiment 2
As shown in figure 1, MULTILAYER COMPOSITE felt, including base fabric, the first filter layer and the second filter layer are used in a kind of filtering, arrange successively
Row, scrim material are that polyphenylene sulfide fibre and glass fibre mixed weaving are made, and the first filtering layer material is different fibre diameters
Glass fiber composite mat, the second filtering layer material is ultra-fine fibre glass and polytetrafluoroethylene fibre composite felt.
Polyphenylene sulfide fibre and glass fibre do warp thread after being mixed in mass ratio by 1: 4 or weft yarns are made, and is located at
Outermost layer, thickness 1.50mm, glass fiber diameter are 10 μm.
The mixing system of glass fibre in mass ratio 1: 10 of different a diameter of 4 μm and 25 μm of fibre diameter glass fiber composite mats
Into being placed in base fabric upper surface layer, thickness 8mm.
Ultra-fine fibre glass and polytetrafluoroethylene fibre composite felt are mixed for 13: 1 in mass ratio, are placed in the first filtering layer
Upper surface layer, a diameter of 1.5 μm of ultra-fine fibre glass, thickness 6mm.
Base fabric, the first filter layer and the second filtering are layering are positioned between two metallic plates successively, in 60 DEG C of baking ovens
Interior dry 7h, is subsequently placed in room temperature 5h, obtains the filtering MULTILAYER COMPOSITE felt that thickness is about 8mm.
Two embodiments of the present invention are above are only, but the design concept of the present invention is not limited thereto, all profits
The change of unsubstantiality is carried out to the present invention with this design, the behavior for invading the scope of protection of the invention all should be belonged to.In every case it is
Any type of letter made without departing from the content of technical solution of the present invention, the technical spirit according to the present invention to above example
Single modification, equivalent variations and remodeling, still fall within the protection domain of technical solution of the present invention.
Claims (5)
1. MULTILAYER COMPOSITE felt is used in one kind filtering, it is characterised in that the filtering includes base fabric, the first filter layer with MULTILAYER COMPOSITE felt
With the second filter layer, it is arranged in order, the scrim material is that polyphenylene sulfide fibre and glass fibre mixed weaving are made, described the
One filtering layer material is different fibre diameter glass fiber composite mats, and the second filtering layer material is ultra-fine fibre glass and gathered
Tetrafluoroethylene fiber composite felt.
2. MULTILAYER COMPOSITE felt is used in a kind of filtering according to claim 1, it is characterised in that the polyphenylene sulfide fibre and glass
Glass fiber is in mass ratio by 1: do warp thread or weft yarns are made after (3~8) mixing, positioned at outermost layer, thickness is 0.1~
2mm, described glass fiber diameter are 1~30 μm.
3. MULTILAYER COMPOSITE felt is used in a kind of filtering according to claim 1, it is characterised in that the different fibre diameter glass
The glass fibre in mass ratio 1 that a diameter of 0.5~3 μm and 20~50 μm of fiber composite felt: (5~20) are mixed, and are placed in base
Cloth upper surface layer, thickness are 1~8mm.
4. MULTILAYER COMPOSITE felt use in a kind of filtering according to claim 1, it is characterised in that the ultra-fine fibre glass and is gathered
Tetrafluoroethylene fiber composite felt is in mass ratio (10~25): 1 is mixed, and is placed in the first filtering layer upper surface layer, described ultra-fine
Glass fiber diameter is 0.5~2 μm, and thickness is 1~8mm.
5. MULTILAYER COMPOSITE felt is used in a kind of filtering according to claim 1, it is characterised in that the base fabric, the first filter layer and
Second filter layer is layering successively to be positioned between two metallic plates, and 6~8h is dried in 30~80 DEG C of baking ovens, is subsequently placed in
2~8h of room temperature, obtain the filtering MULTILAYER COMPOSITE felt that thickness is about 2~20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710970597.6A CN107744690A (en) | 2017-10-13 | 2017-10-13 | MULTILAYER COMPOSITE felt is used in one kind filtering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710970597.6A CN107744690A (en) | 2017-10-13 | 2017-10-13 | MULTILAYER COMPOSITE felt is used in one kind filtering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107744690A true CN107744690A (en) | 2018-03-02 |
Family
ID=61253109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710970597.6A Pending CN107744690A (en) | 2017-10-13 | 2017-10-13 | MULTILAYER COMPOSITE felt is used in one kind filtering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107744690A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110124388A (en) * | 2019-04-25 | 2019-08-16 | 苏州托普斯环保科技有限公司 | A kind of fire-retardant dust-proof multiple filtration non-woven fabrics |
| CN111059381A (en) * | 2019-12-18 | 2020-04-24 | 无锡圣格尔新材料科技有限公司 | Superfine PTFE (polytetrafluoroethylene) brown fiber felt for sealing and lubricating |
| CN111389095A (en) * | 2020-04-06 | 2020-07-10 | 台州市皓天产业用布股份有限公司 | High silica polytetrafluoroethylene tectorial membrane filter cloth |
-
2017
- 2017-10-13 CN CN201710970597.6A patent/CN107744690A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110124388A (en) * | 2019-04-25 | 2019-08-16 | 苏州托普斯环保科技有限公司 | A kind of fire-retardant dust-proof multiple filtration non-woven fabrics |
| CN111059381A (en) * | 2019-12-18 | 2020-04-24 | 无锡圣格尔新材料科技有限公司 | Superfine PTFE (polytetrafluoroethylene) brown fiber felt for sealing and lubricating |
| CN111389095A (en) * | 2020-04-06 | 2020-07-10 | 台州市皓天产业用布股份有限公司 | High silica polytetrafluoroethylene tectorial membrane filter cloth |
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| PB01 | Publication | ||
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Application publication date: 20180302 |