CN116726607A - Composite high-temperature-resistant dust-removing filter material and manufacturing method thereof - Google Patents
Composite high-temperature-resistant dust-removing filter material and manufacturing method thereof Download PDFInfo
- Publication number
- CN116726607A CN116726607A CN202310922713.2A CN202310922713A CN116726607A CN 116726607 A CN116726607 A CN 116726607A CN 202310922713 A CN202310922713 A CN 202310922713A CN 116726607 A CN116726607 A CN 116726607A
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- Prior art keywords
- fibers
- coating
- resistant
- filter material
- layer
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- 239000000463 material Substances 0.000 title claims abstract description 27
- 239000002131 composite material Substances 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 238000000576 coating method Methods 0.000 claims description 46
- 239000000835 fiber Substances 0.000 claims description 46
- 239000011248 coating agent Substances 0.000 claims description 44
- 239000010410 layer Substances 0.000 claims description 39
- 239000004744 fabric Substances 0.000 claims description 27
- 238000005260 corrosion Methods 0.000 claims description 12
- 230000007797 corrosion Effects 0.000 claims description 11
- 229920001903 high density polyethylene Polymers 0.000 claims description 9
- 239000004700 high-density polyethylene Substances 0.000 claims description 9
- -1 polytetrafluoroethylene Polymers 0.000 claims description 9
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 9
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 9
- 238000005507 spraying Methods 0.000 claims description 9
- 239000011241 protective layer Substances 0.000 claims description 7
- 239000000428 dust Substances 0.000 claims description 6
- 229920001973 fluoroelastomer Polymers 0.000 claims description 6
- 239000003365 glass fiber Substances 0.000 claims description 6
- 238000007731 hot pressing Methods 0.000 claims description 6
- 239000004760 aramid Substances 0.000 claims description 3
- 229920006231 aramid fiber Polymers 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 229920005594 polymer fiber Polymers 0.000 claims description 3
- 239000002344 surface layer Substances 0.000 claims description 3
- 230000002708 enhancing effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 6
- 238000001914 filtration Methods 0.000 description 5
- 239000002657 fibrous material Substances 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000000443 aerosol Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Classifications
-
- 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
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
- B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
- B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
-
- 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
Abstract
The invention relates to the field of filter materials and discloses a composite high-temperature-resistant dust-removing filter material and a manufacturing method thereof.
Description
Technical Field
The invention relates to the field of filter materials, in particular to a composite high-temperature-resistant dust-removing filter material and a manufacturing method thereof.
Background
The dust-removing filter material is a material for capturing and separating solid particles, liquid drops or aerosol in air, and is commonly used for controlling the emission of particles in industrial production processes.
The existing dust-removing filter materials are various in variety and different in function. In the treatment process of industrial tail gas filtration and dust removal, because the industrial tail gas temperature is higher, the service life of general dust removal filter material under high temperature environment is shorter, and the filter effect is not good, in order to promote dust removal efficiency, adopts the mode of air flushing to promote dust removal efficiency, and in the in-process of repeated air flushing, the continuous stretching vibration of filter material can lead to material drop on it, can not satisfy present operation requirement.
Disclosure of Invention
In order to solve the technical problems, the invention provides a composite high-temperature-resistant dust-removing filter material, which comprises a plurality of base cloth layers, fiber layers between adjacent base cloth layers, wherein the base cloth layers positioned on the outer sides are coated with high-temperature-resistant coatings, the outer sides of one high-temperature-resistant coating are coated with corrosion-resistant layers, and the corrosion-resistant layers are coated with protective layers.
Further: the base cloth layer is alkali-free glass fiber woven cloth.
Further: the fiber layer is a mixed fiber surface layer composed of P84 fibers, aramid fibers, polysulfonamide fibers and glass fibers.
Further: the fiber layer also comprises high molecular polymer fibers for strengthening the adhesive force between the fibers.
Further: the high temperature resistant coating is a polytetrafluoroethylene coating.
Further: the anti-corrosion layer is a high-density polyethylene coating.
Further: the protective layer is a fluororubber coating.
A manufacturing method of a composite high-temperature-resistant dust-removing filter material comprises the following steps:
s1: preparing fibers, mixing the selected fibers together, and preparing mixed fibers;
s2: spraying, namely spraying the mixed fibers on one surface of the base cloth, paving the other base cloth on the fibers, and then spraying the fibers again until the fibers with the preset layers are sprayed;
s3: carrying out hot pressing treatment, namely carrying out hot pressing on each base fabric and each fiber;
s4: and (3) surface coating, namely coating a polytetrafluoroethylene coating on the outer part of the base cloth layer, coating a high-density polyethylene coating on the outer side of the polytetrafluoroethylene coating, and coating a fluororubber coating on the high-density polyethylene coating.
Further: in step S2 the fibres are spray coated by means of melt blowing.
Further: in step S3, a continuous hot press process is performed using a hot press cylinder.
The invention has the beneficial effects that: the composite high-temperature-resistant dust-removing filter material provided by the invention can realize dust-removing filtration treatment in a high-temperature environment, has good high-temperature resistance and corrosion resistance, and can not cause fiber material to fall off in a mode of air-jet filtration, so that the fiber material has strong adhesive capability, and meets the current use requirement.
Drawings
FIG. 1 is a schematic diagram of a composite high temperature resistant dedusting filter material;
fig. 2 is a schematic flow chart of a method for manufacturing a composite high-temperature-resistant dust-removing filter material.
In the figure: 100. a base cloth layer; 200. a fibrous layer; 300. a high temperature resistant coating; 400. a corrosion resistant layer; 500. and (5) a protective layer.
Detailed Description
The subject matter described herein will now be discussed with reference to example embodiments. It should be appreciated that these embodiments are discussed so that those skilled in the art will better understand and realize the subject matter described herein. Changes may be made in the function and arrangement of elements discussed without departing from the scope of the disclosure as set forth in the specification. Various examples may omit, replace, or add various procedures or components as desired. In addition, features described with respect to some examples may be combined in other examples as well.
Example 1
Referring to fig. 1, in this embodiment, a composite high temperature resistant dust removing filter material is provided, which includes a plurality of base cloth layers 100, fiber layers 200 between adjacent base cloth layers 100, each of the base cloth layers 100 located at the outer side is coated with a high temperature resistant coating 300, an outer side of one of the high temperature resistant coatings 300 is coated with a corrosion resistant layer 400, and the corrosion resistant layer 400 is coated with a protective layer 500.
The base fabric layer 100 is alkali-free glass fiber woven fabric.
The fiber layer 200 is a mixed fiber surface layer composed of P84 fibers, aramid fibers, polysulfonamide fibers and glass fibers.
The fiber layer 200 also includes high molecular polymer fibers therein for reinforcing adhesion between the fibers.
The high temperature resistant coating 300 is a polytetrafluoroethylene coating.
The corrosion resistant layer 400 is a high density polyethylene coating.
The protective layer 500 is a fluororubber coating.
A manufacturing method of a composite high-temperature-resistant dust-removing filter material comprises the following steps:
s1: preparing fibers, mixing the selected fibers together, and preparing mixed fibers;
s2, spraying treatment, namely spraying the mixed fibers on one surface of the base cloth, paving the other base cloth on the fibers, and then spraying the fibers again until the fibers with the preset layers are sprayed;
s3: carrying out hot pressing treatment, namely carrying out hot pressing on each base fabric and each fiber;
s4: and (3) surface coating, namely coating a polytetrafluoroethylene coating on the outer part of the base cloth layer, coating a high-density polyethylene coating on the outer side of the polytetrafluoroethylene coating, and coating a fluororubber coating on the high-density polyethylene coating.
In step S2 the fibres are spray coated by means of melt blowing.
In step S3, a continuous hot press process is performed using a hot press cylinder.
The invention has the beneficial effects that: the composite high-temperature-resistant dust-removing filter material provided by the invention can realize dust-removing filtration treatment in a high-temperature environment, has good high-temperature resistance and corrosion resistance, and can not cause fiber material to fall off in a mode of air-jet filtration, so that the fiber material has strong adhesive capability, and meets the current use requirement.
The embodiment of the present embodiment has been described above with reference to the accompanying drawings, but the embodiment is not limited to the above-described specific implementation, which is merely illustrative and not restrictive, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the embodiment and the scope of the protection of the claims, which fall within the protection of the embodiment.
Claims (10)
1. The composite high-temperature-resistant dust-removing filter material is characterized by comprising a plurality of base cloth layers (100), wherein fiber layers (200) are arranged between the adjacent base cloth layers (100), the base cloth layers (100) positioned on the outer sides are all coated with a high-temperature-resistant coating (300), the outer sides of the high-temperature-resistant coating (300) are coated with a corrosion-resistant layer (400), and the corrosion-resistant layer (400) is coated with a protective layer (500).
2. A composite high temperature resistant dedusting filter material as in claim 1, wherein the base cloth layer (100) is an alkali-free glass fiber woven cloth.
3. The composite high temperature resistant dedusting filter material as in claim 1, wherein the fiber layer (200) is a mixed fiber surface layer composed of P84 fibers, aramid fibers, polysulfonamide fibers and glass fibers.
4. The composite high temperature resistant dedusting filter material as in claim 1, wherein the fiber layer (200) further comprises high molecular polymer fibers for enhancing adhesion between the fibers.
5. A composite high temperature resistant dedusting filter as in claim 1, wherein the high temperature resistant coating (300) is a polytetrafluoroethylene coating.
6. A composite high temperature resistant dedusting filter as in claim 1, wherein the corrosion resistant layer (400) is a high density polyethylene coating.
7. A composite high temperature resistant dedusting filter as in claim 1, wherein the protective layer (500) is a fluororubber coating.
8. The manufacturing method of the composite high-temperature-resistant dust-removing filter material is characterized by comprising the following steps of:
s1: preparing fibers, mixing the selected fibers together, and preparing mixed fibers;
s2, spraying treatment, namely spraying the mixed fibers on one surface of the base cloth, paving the other base cloth on the fibers, and then spraying the fibers again until the fibers with the preset layers are sprayed;
s3: carrying out hot pressing treatment, namely carrying out hot pressing on each base fabric and each fiber;
s4: and (3) surface coating, namely coating a polytetrafluoroethylene coating on the outer part of the base cloth layer, coating a high-density polyethylene coating on the outer side of the polytetrafluoroethylene coating, and coating a fluororubber coating on the high-density polyethylene coating.
9. The method for producing a composite high temperature resistant dust filter material according to claim 8, wherein the fibers are melt-blown in step S2.
10. The method for producing a composite high-temperature resistant dust-collecting filter material according to claim 8, wherein in step S3, a continuous hot press treatment is performed using a hot press drum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310922713.2A CN116726607A (en) | 2023-07-26 | 2023-07-26 | Composite high-temperature-resistant dust-removing filter material and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310922713.2A CN116726607A (en) | 2023-07-26 | 2023-07-26 | Composite high-temperature-resistant dust-removing filter material and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116726607A true CN116726607A (en) | 2023-09-12 |
Family
ID=87918844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310922713.2A Pending CN116726607A (en) | 2023-07-26 | 2023-07-26 | Composite high-temperature-resistant dust-removing filter material and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116726607A (en) |
-
2023
- 2023-07-26 CN CN202310922713.2A patent/CN116726607A/en active Pending
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