CN108554010B - Industrial dust removal device - Google Patents
Industrial dust removal device Download PDFInfo
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- CN108554010B CN108554010B CN201810426105.1A CN201810426105A CN108554010B CN 108554010 B CN108554010 B CN 108554010B CN 201810426105 A CN201810426105 A CN 201810426105A CN 108554010 B CN108554010 B CN 108554010B
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- base cloth
- layer
- dust
- fibers
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- 239000000428 dust Substances 0.000 title claims abstract description 82
- 239000004744 fabric Substances 0.000 claims abstract description 98
- 239000010410 layer Substances 0.000 claims abstract description 87
- 238000007654 immersion Methods 0.000 claims abstract description 27
- 239000011247 coating layer Substances 0.000 claims abstract description 17
- 239000000843 powder Substances 0.000 claims abstract description 16
- 239000000835 fiber Substances 0.000 claims description 63
- 229910052751 metal Inorganic materials 0.000 claims description 30
- 239000002184 metal Substances 0.000 claims description 30
- -1 polytetrafluoroethylene Polymers 0.000 claims description 26
- 238000009941 weaving Methods 0.000 claims description 24
- 239000003365 glass fiber Substances 0.000 claims description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 20
- 238000009960 carding Methods 0.000 claims description 18
- 238000001723 curing Methods 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 15
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 claims description 13
- 229920000728 polyester Polymers 0.000 claims description 12
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 12
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 12
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 11
- 229910052731 fluorine Inorganic materials 0.000 claims description 11
- 239000011737 fluorine Substances 0.000 claims description 11
- 239000011347 resin Substances 0.000 claims description 11
- 229920005989 resin Polymers 0.000 claims description 11
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 10
- BGNXCDMCOKJUMV-UHFFFAOYSA-N Tert-Butylhydroquinone Chemical class CC(C)(C)C1=CC(O)=CC=C1O BGNXCDMCOKJUMV-UHFFFAOYSA-N 0.000 claims description 10
- 229910000410 antimony oxide Inorganic materials 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 10
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 10
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 10
- 239000000347 magnesium hydroxide Substances 0.000 claims description 10
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 claims description 10
- 229920002635 polyurethane Polymers 0.000 claims description 10
- 239000004814 polyurethane Substances 0.000 claims description 10
- 229910052710 silicon Inorganic materials 0.000 claims description 10
- 239000010703 silicon Substances 0.000 claims description 10
- 229920002545 silicone oil Polymers 0.000 claims description 10
- 238000009958 sewing Methods 0.000 claims description 9
- 238000002360 preparation method Methods 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 8
- 239000011230 binding agent Substances 0.000 claims description 5
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- 229920002748 Basalt fiber Polymers 0.000 claims description 2
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 2
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 2
- 239000004642 Polyimide Substances 0.000 claims description 2
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 2
- 239000004760 aramid Substances 0.000 claims description 2
- 229920006231 aramid fiber Polymers 0.000 claims description 2
- 239000004917 carbon fiber Substances 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 claims description 2
- 238000011415 microwave curing Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- 229920002530 polyetherether ketone Polymers 0.000 claims description 2
- 229920001721 polyimide Polymers 0.000 claims description 2
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 2
- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 claims 1
- 238000013329 compounding Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 26
- 238000011001 backwashing Methods 0.000 abstract description 10
- 230000007547 defect Effects 0.000 abstract description 5
- 239000011148 porous material Substances 0.000 abstract description 2
- 239000002585 base Substances 0.000 description 59
- 230000000694 effects Effects 0.000 description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 8
- 229920000889 poly(m-phenylene isophthalamide) Polymers 0.000 description 8
- 238000002156 mixing Methods 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 238000001035 drying Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
- B01D39/08—Filter cloth, i.e. woven, knitted or interlaced 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
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible 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
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/04—Cleaning filters
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
- D06N3/0022—Glass fibres
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
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- D06N3/0036—Polyester fibres
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/128—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with silicon polymers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
- D06N3/142—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes mixture of polyurethanes with other resins in the same layer
- D06N3/143—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes mixture of polyurethanes with other resins in the same layer with polyurethanes and other polycondensation or polyaddition products, e.g. aminoplast
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
- D06N3/142—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes mixture of polyurethanes with other resins in the same layer
- D06N3/144—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes mixture of polyurethanes with other resins in the same layer with polyurethane and polymerisation products, e.g. acrylics, PVC
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2201/00—Chemical constitution of the fibres, threads or yarns
- D06N2201/02—Synthetic macromolecular fibres
- D06N2201/0218—Vinyl resin fibres
- D06N2201/0236—Vinyl halide, e.g. PVC, PVDC, PVF, PVDF
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2201/00—Chemical constitution of the fibres, threads or yarns
- D06N2201/08—Inorganic fibres
- D06N2201/085—Metal fibres
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/04—Properties of the materials having electrical or magnetic properties
- D06N2209/041—Conductive
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/06—Properties of the materials having thermal properties
- D06N2209/067—Flame resistant, fire resistant
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/16—Properties of the materials having other properties
- D06N2209/1685—Wear resistance
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2211/00—Specially adapted uses
- D06N2211/30—Filters
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0063—Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic compounds
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Filtering Materials (AREA)
Abstract
The invention discloses an industrial dust removal device, which comprises a frame and a detachable filter bag arranged in the frame, wherein two ends of the frame are provided with vibrating devices, the vibrating devices at the two ends are connected through a connecting rod, the connecting rod is provided with a bulge which is in contact with the outer surface of the filter bag, and the filter bag is flapped by the bulge on a vibration conduction connecting rod to enable dust to fall off in time; the filter bag at least comprises a base cloth layer and a dust facing layer, wherein the base cloth layer is connected with the dust facing layer through needling, the surface of the base cloth layer is precoated with a coating layer after immersion treatment, the side, connected with the base cloth layer, of the dust facing layer is subjected to napping treatment, the surface of the base cloth layer is precoated with the coating layer in advance to overcome the defect of low early dust removal efficiency of a new filter material, the side, connected with the base cloth layer, of the dust facing layer is mechanically napped to form a short line covering pores of a fabric, so that precoated coating layer powder washed from the surface of the base cloth can be captured when the filter material is subjected to backwashing, and the loss of the precoated coating layer powder along with the increase of backwashing times can.
Description
Technical Field
The invention relates to an industrial dust removal device, and belongs to the field of industrial dust removal filtering equipment.
Background
In the fields of cement, steel, petrochemical industry and the like, dust or smoke needs to be filtered in the production process, and the dust-removing filter bag is an efficient dust-removing filter material, has good ventilation performance and high dust-removing efficiency, and has certain acid resistance, alkali resistance and heat resistance. The existing dust removing equipment has the problem that the later dust removing effect of a filter bag is reduced due to untimely ash removal. On the other hand, the filter material of the cloth bag is subjected to primary forming by using a weaving or non-weaving technology, and then necessary post-treatment is generally required. Wherein, the selected fine dust with certain particle size distribution is adhered on the surface of the filter material in advance to form a stable primary dust layer for precoating treatment. After the pre-coating treatment, the dust remover has the advantages of high and stable dust removal efficiency, low resistance and slow increase. The filter bag after the pre-coating treatment forms a stable dust primary layer before use, so that the defect of low early dust removal efficiency of a new filter material is overcome; meanwhile, the primary layer of the dust is fixed by the binder, and the stability is good. This can reduce the adverse effect of pressure fluctuations on stable production. But the disadvantages are: with the increase of the number of backwashing times, the precoat layer may be washed off from the surface of the filter material, and the service life of the filter material is influenced.
Disclosure of Invention
The invention aims to solve the technical problem of providing an industrial dust removal device with instant ash removal and backwashing resistance aiming at the defects of the prior art.
In order to solve the technical problem, the invention discloses an industrial dust removal device which comprises a frame and a detachable filter bag arranged in the frame, wherein two ends of the frame are provided with vibration devices, the vibration devices at the two ends are connected through a connecting rod, the connecting rod is provided with a bulge which is in contact with the outer surface of the filter bag, and the filter bag is flapped by the bulge on the vibration conduction connecting rod, so that dust on the filter bag falls into a dust hopper in time; the filter bag at least comprises a base cloth layer and a dust facing layer, the base cloth layer and the dust facing layer are connected through needling, the base cloth layer is subjected to immersion treatment firstly, then a coating layer is pre-coated, conductive metal powder is preferably selected as the coating layer, the conductive metal powder is mixed with a binder, the metal powder is uniformly sprayed on the surface of the base cloth through a high-pressure spray gun and adhered to form a stable primary dust layer, so that the defect that the early-stage dust removal efficiency of a new filter material is low is overcome, and meanwhile, the electric charge on charged dust can be conducted in time due to the existence of the conductive powder, so that a good antistatic effect is achieved; the side of the dust facing layer connected with the base cloth layer is subjected to raising treatment, and a fluorine Meis needled felt is needled on the dust facing side of the dust facing layer. In addition, the side, connected with the base cloth layer, of the dust facing layer is subjected to mechanical napping treatment to form a short line covering the pores of the fabric, so that precoated dust layer powder washed from the surface of the base cloth can be captured when the filter material is subjected to backwashing, and the phenomenon that the precoated dust layer powder loses effect along with the increase of backwashing times is avoided. The vibration device may be a vibration motor or a vibration motor, etc. The upper end of the filter bag is sealed, the lower end of the filter bag is provided with an opening as an air inlet, and the upper end of the filter bag can be fixed on the frame.
The dust-facing layer is mainly made of high-temperature resistant fibers, including but not limited to one or two of polyimide fibers, polyphenylene sulfide fibers, glass fibers, carbon fibers, ceramic fibers, basalt fibers, aramid fibers, polyether-ether-ketone fibers or poly (m-phenylene isophthalamide) fibers.
Preferably, the base cloth layer is obtained by weaving warps and wefts, the warps are formed by twisting and stranding polytetrafluoroethylene fibers and glass fibers, the wefts are formed by twisting and stranding polyester fibers and metal conductive fibers, the base cloth is subjected to immersion treatment, then is subjected to pre-coating treatment to form a coating layer on the surface, and then is subjected to microwave curing and forming to obtain the base cloth.
Polytetrafluoroethylene fiber and polyester fiber are heat-resisting, wear-resisting, corrosion-resistant in the base cloth, and the inorganic glass fiber of collocation simultaneously can improve the heat resistance of base cloth, and metal conductive fiber's addition can form the conductor in the base cloth, makes the elimination that static can be timely, and base cloth itself has good antistatic effect after the warp and weft netting, need not to increase special antistatic layer, has reduced the thickness of filter cloth, the improvement of the dust collection efficiency of being convenient for.
The immersion liquid comprises the following components in parts by weight: 20-35 parts of polyurethane, 20-40 parts of organic silicon resin, 10-20 parts of perfluoroalkyl ethyl acrylate, 5-7 parts of activated carbon, 3-5 parts of magnesium hydroxide, 2-4 parts of antimony oxide, 5-8 parts of tert-butyl hydroquinone derivative and 10-15 parts of silicone oil. Wherein, polyurethane and organic silicon resin can form a film on the surface of the fiber so as to improve the comprehensive performance of the surface of the fiber; perfluoroalkyl ethyl acrylate is used as a fluorine-containing surfactant, the hydrophobic end of the molecule of the perfluoroalkyl ethyl acrylate is adsorbed on the surface of the fiber, and the hydrophilic group points to the space to form a polar interface, so that water molecules in the air are adsorbed, the surface specific resistance of the fiber or fabric is reduced, the charge dissipation is accelerated, and the uniform dispersion and attachment of the immersion liquid on the surface of the fiber are facilitated; the addition of the activated carbon increases the dust adsorption capacity of the fiber surface; magnesium hydroxide and antimony oxide as flame retardants; tert-butyl hydroquinone Derivative (DTBHO) as an antioxidant; the silicone oil acts as a highly efficient cross-linking agent.
The preparation method of the filter bag comprises the following steps:
the method comprises the following steps: respectively carding, twisting and stranding polytetrafluoroethylene fibers and glass fibers to form warp, respectively carding, twisting and stranding polyester fibers and metal conductive fibers to form weft;
step two: weaving the warps and the wefts obtained in the step one through a weaving machine to obtain base cloth;
step three: performing immersion treatment on the base cloth obtained in the step two;
step four: taking out the immersed base cloth, and immediately spraying a coating layer on the surface of the immersed base cloth;
step five: placing the base cloth obtained in the fourth step into microwave for curing and molding;
step six: and (3) needling a dust-facing layer on the surface of the base cloth obtained by curing, cutting and sewing into bags.
In the third step, the temperature of the immersion liquid treatment is 40-60 ℃, and the time is 3-6 h.
In the fifth step, the heating power of the microwave is 1-2 KW, and the time is 30-50 s.
Preferably, the other side of the base cloth layer is connected with at least one wear-resistant layer to increase the wear-resistant performance of the base cloth, and the wear-resistant layer is preferably made of alkali-free glass fibers.
The immersion liquid comprises the following components in parts by weight: 20-35 parts of polyurethane, 20-40 parts of organic silicon resin, 10-20 parts of perfluoroalkyl ethyl acrylate, 5-7 parts of activated carbon, 3-5 parts of magnesium hydroxide, 2-4 parts of antimony oxide, 5-8 parts of tert-butyl hydroquinone derivative and 10-15 parts of silicone oil.
The coating layer is preferably conductive metal powder such as aluminum powder, the conductive metal powder is mixed with a binder, and the metal powder is uniformly sprayed on the surface of the base cloth through a high-pressure spray gun and is adhered.
The filter cloth fixing frame is characterized in that grooves for fixing filter cloth are further formed in the two ends of the frame, and the filter bag is fixed on the frame through fixing devices such as hoops.
Has the advantages that:
1. the dust removal device is simple in structure and quick and convenient to install and replace, and dust on the filter bag is timely cleaned down by arranging the dust removal device on the outer wall of the filter bag, so that the later dust removal effect of the filter bag is ensured;
2. aiming at the defect that the precoat layer on the surface of the filter material after precoat treatment in the prior art is easy to wash away in the back washing process, a suede surface is formed on the surface of the dust facing layer contacted with the base cloth through mechanical napping treatment, and the washed coating layer is effectively captured in the back washing process, so that the coating layer is prevented from losing action along with the increase of the number of back washing times;
3. the base cloth is subjected to immersion treatment and then is cured and formed by microwave heating, and the resin can be cured by heating from inside to outside, so that the film on the surface of the fiber is uniform, the charge dissipation is accelerated, and the comprehensive performance of the surface is improved.
Drawings
The foregoing and/or other advantages of the invention will become further apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the industrial dedusting device;
FIG. 2 is a schematic view of the structure of the air inlet end of the frame of the industrial dust-removing device;
FIG. 3 is a schematic structural diagram of the filter bag of the industrial dust removal device.
Detailed Description
The invention will be better understood from the following examples.
Example 1
As shown in fig. 1 to 3, the industrial dust removal device comprises a frame 1 and a detachable filter bag 4 installed in the frame 1, wherein power lines of a vibration motor 11 and an external power supply are arranged at two ends of the frame, the vibration motor 11 at the two ends is connected through a connecting rod 2, a protrusion 3 which is in contact with the outer surface of the filter bag 4 is arranged on the connecting rod 2, after the vibration motor 11 is powered on, vibration is conducted to the protrusion 3 through the connecting rod 2, the filter bag 4 in contact with the upper part of the protrusion 3 is patted, dust on the surface of the filter bag 4 timely falls into a dust hopper, and the dust removal effect at the later stage of.
As shown in fig. 3, one end of the filter bag 4 is opened as an air inlet, and the other end is sewn, the filter bag comprises a base fabric layer 41 and a dust facing layer 42, the base fabric layer 41 and the dust facing layer 42 are connected through needling, the base fabric layer 41 is subjected to immersion treatment and then precoated with a coating layer 411, the coating layer is made of conductive metal aluminum powder, the conductive metal powder is mixed with a binder, the metal powder is uniformly sprayed on the surface of the base fabric through a high-pressure spray gun and adhered, the side, connected with the base fabric layer 41, of the dust facing layer 42 is subjected to raising treatment to obtain a suede layer 421, and a fluorine Meisi needled felt is needled on the dust facing side of the dust facing layer 42.
The specific preparation method of the filter bag 4 is as follows:
the method comprises the following steps: respectively carding, twisting and stranding polytetrafluoroethylene fibers and glass fibers in a volume ratio of 8:2 to form warp with the diameter of 0.15-0.2 mm; respectively carding, twisting and stranding polyester fibers and metal conductive fibers with a volume ratio of 8:2 to weave weft with a wire diameter of 0.2-0.3 mm;
step two: weaving the warps and the wefts obtained in the first step through a weaving machine to obtain base cloth, wherein the density of the warps is 15-20 pieces/cm, and the density of the wefts is 10-15 pieces/cm;
step three: mixing and stirring 30 parts of polyurethane, 35 parts of organic silicon resin, 15 parts of perfluoroalkyl ethyl acrylate, 6 parts of activated carbon, 4 parts of magnesium hydroxide, 3 parts of antimony oxide, 7 parts of tert-butyl hydroquinone Derivative (DTBHO) and 14 parts of silicone oil uniformly, heating to 50 ℃, preserving heat, and performing immersion treatment on the base cloth obtained in the step two for 5 hours;
step four: taking out the immersed base cloth, and immediately spraying a layer of conductive metal aluminum powder on the upper surface and the lower surface;
step five: placing the base cloth obtained in the fourth step in microwave, and heating for 40s for curing and forming at 2 KW;
step six: respectively needling a wear-resistant layer (with the thickness of 1-1.5 mm) made of alkali-free glass fiber and a dust-facing layer (with the thickness of 1-2 mm) made of poly (m-phenyleneisophthalamide) fiber on the upper surface and the lower surface of the base fabric obtained by curing, wherein a layer of fluorine Meis needled felt is needled on the dust-facing surface, the weight of each square meter is 400-500 g, and the dust-facing surface is subjected to mechanical raising treatment to obtain a filter material;
step seven: the filter material is made into a filter bag 4 with the specification of phi 120 mm.
When the dust collector is used, the sewing end of the filter bag 4 is arranged in the frame 1 for fixing, the air inlet of the filter bag 4 is fixed on the groove 12 of the frame 1 through the hoop, and the vibration device 11 is started for continuous dust collection.
Example 2
The dust removal device has the same structure as the dust removal device in the embodiment 1, but the preparation method of the filter bag is different:
the method comprises the following steps: respectively carding, twisting and stranding polytetrafluoroethylene fibers and glass fibers in a volume ratio of 8:2 to form warp with the diameter of 0.15-0.2 mm; respectively carding, twisting and stranding polyester fibers and metal conductive fibers with a volume ratio of 8:2 to weave weft with a wire diameter of 0.2-0.3 mm;
step two: weaving the warps and the wefts obtained in the first step through a weaving machine to obtain base cloth, wherein the density of the warps is 15-20 pieces/cm, and the density of the wefts is 10-15 pieces/cm;
step three: mixing and stirring uniformly 35 parts of polyurethane, 40 parts of organic silicon resin, 20 parts of perfluoroalkyl ethyl acrylate, 7 parts of activated carbon, 5 parts of magnesium hydroxide, 4 parts of antimony oxide, 8 parts of tert-butyl hydroquinone Derivative (DTBHO) and 15 parts of silicone oil, heating to 60 ℃, preserving heat, and performing immersion treatment on the base cloth obtained in the step two for 3 hours;
step four: taking out the immersed base cloth, and immediately spraying a layer of conductive metal aluminum powder on the upper surface and the lower surface;
step five: placing the base cloth obtained in the fourth step in microwave, and heating for 30s for curing and forming at 2 KW;
step six: respectively needling a wear-resistant layer (with the thickness of 1-1.5 mm) made of alkali-free glass fiber and a dust-facing layer (with the thickness of 1-2 mm) made of poly (m-phenyleneisophthalamide) fiber on the upper surface and the lower surface of the base fabric obtained by curing, wherein a layer of fluorine Meis needled felt is needled on the dust-facing surface, the weight of each square meter is 400-500 g, and the dust-facing surface is subjected to mechanical raising treatment to obtain a filter material;
step seven: the filter material is made into a filter bag 4 with the specification of phi 120 mm.
The sewing end of the filter bag 4 is arranged inside the frame 1 for fixing, the air inlet of the filter bag 4 is fixed on the groove 12 of the frame 1 through the hoop, and the vibration device 11 is started for continuous dust removal.
Example 3
The dust removal device has the same structure as the dust removal device in the embodiment 1, but the preparation method of the filter bag is different:
the method comprises the following steps: respectively carding, twisting and stranding polytetrafluoroethylene fibers and glass fibers in a volume ratio of 7:3 to form warp with the diameter of 0.15-0.2 mm; respectively carding polyester fibers and metal conductive fibers in a volume ratio of 7:3, twisting and stranding to weave weft with the diameter of 0.2-0.3 mm;
step two: weaving the warps and the wefts obtained in the first step through a weaving machine to obtain base cloth, wherein the density of the warps is 15-20 pieces/cm, and the density of the wefts is 10-15 pieces/cm;
step three: uniformly mixing and stirring 20 parts of polyurethane, 20 parts of organic silicon resin, 10 parts of perfluoroalkyl ethyl acrylate, 5 parts of activated carbon, 3 parts of magnesium hydroxide, 2 parts of antimony oxide, 5 parts of tert-butyl hydroquinone Derivative (DTBHO) and 10 parts of silicone oil, heating to 40 ℃, preserving heat, and performing immersion treatment on the base cloth obtained in the step two for 6 hours;
step four: taking out the immersed base cloth, and immediately spraying a layer of conductive metal aluminum powder on the upper surface and the lower surface;
step five: placing the base cloth obtained in the fourth step in microwave, and heating for 50s for curing and forming at 1 KW;
step six: respectively needling a wear-resistant layer (with the thickness of 1-1.5 mm) made of alkali-free glass fiber and a dust-facing layer (with the thickness of 1-2 mm) made of poly (m-phenyleneisophthalamide) fiber on the upper surface and the lower surface of the base fabric obtained by curing, wherein a layer of fluorine Meis needled felt is needled on the dust-facing surface, the weight of each square meter is 400-500 g, and the dust-facing surface is subjected to mechanical raising treatment to obtain a filter material;
step seven: the filter material is made into a filter bag 4 with the specification of phi 120 mm.
The sewing end of the filter bag 4 is arranged inside the frame 1 for fixing, the air inlet of the filter bag 4 is fixed on the groove 12 of the frame 1 through the hoop, and the vibration device 11 is started for continuous dust removal.
Comparative example 1
The dust removal device has the same structure as the dust removal device in the embodiment 1, but the preparation method of the filter bag is different:
the method comprises the following steps: respectively carding, twisting and stranding polytetrafluoroethylene fibers and glass fibers in a volume ratio of 8:2 to form warp with the diameter of 0.15-0.2 mm; respectively carding, twisting and stranding polyester fibers and metal conductive fibers with a volume ratio of 8:2 to weave weft with a wire diameter of 0.2-0.3 mm;
step two: weaving the warps and the wefts obtained in the first step through a weaving machine to obtain base cloth, wherein the density of the warps is 15-20 pieces/cm, and the density of the wefts is 10-15 pieces/cm;
step three: respectively needling a wear-resistant layer (with the thickness of 1-1.5 mm) made of alkali-free glass fiber and a dust-facing layer (with the thickness of 1-2 mm) made of poly (m-phenyleneisophthalamide) fiber on the upper surface and the lower surface of the base fabric obtained by curing, wherein a layer of fluorine Meis needled felt is needled on the dust-facing surface, the weight of each square meter is 400-500 g, and the dust-facing surface is subjected to mechanical raising treatment to obtain a filter material;
step four: the filter material is made into a filter bag 4 with the specification of phi 120 mm.
The sewing end of the filter bag 4 is arranged inside the frame 1 for fixing, the air inlet of the filter bag 4 is fixed on the groove 12 of the frame 1 through the hoop, and the vibration device 11 is started for continuous dust removal.
Comparative example 2
The dust removal device has the same structure as the dust removal device in the embodiment 1, but the preparation method of the filter bag is different:
the method comprises the following steps: respectively carding, twisting and stranding polytetrafluoroethylene fibers and glass fibers in a volume ratio of 8:2 to form warp with the diameter of 0.15-0.2 mm; respectively carding, twisting and stranding polyester fibers and metal conductive fibers with a volume ratio of 8:2 to weave weft with a wire diameter of 0.2-0.3 mm;
step two: weaving the warps and the wefts obtained in the first step through a weaving machine to obtain base cloth, wherein the density of the warps is 15-20 pieces/cm, and the density of the wefts is 10-15 pieces/cm;
step three: mixing and stirring 30 parts of polyurethane, 35 parts of organic silicon resin, 15 parts of perfluoroalkyl ethyl acrylate, 6 parts of activated carbon, 4 parts of magnesium hydroxide, 3 parts of antimony oxide, 7 parts of tert-butyl hydroquinone Derivative (DTBHO) and 14 parts of silicone oil uniformly, heating to 50 ℃, preserving heat, and performing immersion treatment on the base cloth obtained in the step two for 5 hours;
step four: taking out the immersed base cloth, and immediately spraying a layer of conductive metal aluminum powder on the upper surface and the lower surface;
step five: placing the base cloth obtained in the step four into an oven, and heating and drying for 25 minutes at 50 ℃;
step six: respectively needling a wear-resistant layer (with the thickness of 1-1.5 mm) made of alkali-free glass fiber and a dust-facing layer (with the thickness of 1-2 mm) made of poly (m-phenyleneisophthalamide) fiber on the upper surface and the lower surface of the base fabric obtained by curing, wherein a layer of fluorine Meis needled felt is needled on the dust-facing surface, the weight of each square meter is 400-500 g, and the dust-facing surface is subjected to mechanical raising treatment to obtain a filter material;
step seven: the filter material is made into a filter bag 4 with the specification of phi 120 mm.
The sewing end of the filter bag 4 is arranged inside the frame 1 for fixing, the air inlet of the filter bag 4 is fixed on the groove 12 of the frame 1 through the hoop, and the vibration device 11 is started for continuous dust removal.
Comparative example 3
Compared with the embodiment 1, the dust removal device is provided with less vibration motors 11, and the preparation method of the filter bag is different:
the method comprises the following steps: respectively carding, twisting and stranding polytetrafluoroethylene fibers and glass fibers in a volume ratio of 8:2 to form warp with the diameter of 0.15-0.2 mm; respectively carding, twisting and stranding polyester fibers and metal conductive fibers with a volume ratio of 8:2 to weave weft with a wire diameter of 0.2-0.3 mm;
step two: weaving the warps and the wefts obtained in the first step through a weaving machine to obtain base cloth, wherein the density of the warps is 15-20 pieces/cm, and the density of the wefts is 10-15 pieces/cm;
step three: mixing and stirring 30 parts of polyurethane, 35 parts of organic silicon resin, 6 parts of activated carbon, 4 parts of magnesium hydroxide, 3 parts of antimony oxide, 7 parts of tert-butyl hydroquinone Derivative (DTBHO) and 14 parts of silicone oil uniformly, heating to 50 ℃ and preserving heat, and performing immersion treatment on the base cloth obtained in the step two for 5 hours;
step four: taking out the immersed base cloth, and immediately spraying a layer of conductive metal aluminum powder on the upper surface and the lower surface;
step five: placing the base cloth obtained in the fourth step in microwave, and heating for 40s for curing and forming at 2 KW;
step six: respectively needling a wear-resistant layer (with the thickness of 1-1.5 mm) made of alkali-free glass fiber and a dust-facing layer (with the thickness of 1-2 mm) made of poly (m-phenyleneisophthalamide) fiber on the upper surface and the lower surface of the base fabric obtained by curing, wherein a layer of fluorine Meis needled felt is needled on the dust-facing surface, the weight of each square meter is 400-500 g, and the dust-facing surface is subjected to mechanical raising treatment to obtain a filter material;
step seven: the filter material is made into a filter bag 4 with the specification of phi 120 mm.
The sewing end of the filter bag 4 is arranged inside the frame 1 for fixing, and the air inlet of the filter bag 4 is fixed on the groove 12 of the frame 1 through the hoop for continuous dust removal.
Comparative example 4
The method comprises the following steps: respectively carding, twisting and stranding polytetrafluoroethylene fibers and glass fibers in a volume ratio of 8:2 to form warp with the diameter of 0.15-0.2 mm; respectively carding, twisting and stranding polyester fibers and metal conductive fibers with a volume ratio of 8:2 to weave weft with a wire diameter of 0.2-0.3 mm;
step two: weaving the warps and the wefts obtained in the first step through a weaving machine to obtain base cloth, wherein the density of the warps is 15-20 pieces/cm, and the density of the wefts is 10-15 pieces/cm;
step three: mixing and stirring 30 parts of polyurethane, 35 parts of organic silicon resin, 15 parts of perfluoroalkyl ethyl acrylate, 6 parts of activated carbon, 4 parts of magnesium hydroxide, 3 parts of antimony oxide, 7 parts of tert-butyl hydroquinone Derivative (DTBHO) and 14 parts of silicone oil uniformly, heating to 50 ℃, preserving heat, and performing immersion treatment on the filter cloth obtained in the step two for 5 hours;
step four: taking out the immersed base cloth, and immediately spraying a layer of conductive metal aluminum powder on the upper surface and the lower surface;
step five: placing the base cloth obtained in the fourth step in microwave, and heating for 40s for curing and forming at 2 KW;
step six: needling a layer of fluorine Meis needled felt on the dust-facing surface of the base cloth obtained by curing, wherein the weight of each square meter is 400-500 g, so as to obtain a filter material;
step seven: the filter material is made into a filter bag 4 with the specification of phi 120 mm.
The sewing end of the filter bag 4 is arranged inside the frame 1 for fixing, the air inlet of the filter bag 4 is fixed on the groove 12 of the frame 1 through the hoop, and the vibration device 11 is started for continuous dust removal.
The filter cloth prepared by the method has good antistatic performance, tensile strength, wear resistance, acid and alkali resistance, and various performances of the filter cloth are greatly improved after microwave heating and curing after immersion treatment;
TABLE 1
The comparative examples show that the performance of the base cloth prepared by the invention can be greatly improved after the base cloth is subjected to immersion treatment, particularly, the perfluoroalkyl ethyl acrylate in the immersion liquid has a remarkable effect on improving the antistatic performance of the base cloth, and the surface activity of the perfluoroalkyl ethyl acrylate is beneficial to the dispersion of the antioxidant and the flame retardant in the immersion liquid, so that the perfluoroalkyl ethyl acrylate is uniformly attached to the surface of the fiber. In addition, the invention breaks through the prior method of drying the fiber immersion liquid by preferentially adopting microwave express drying, can greatly improve the heating, curing and drying efficiency, simultaneously improves various performances of the immersion liquid on the base cloth, and obtains obvious and unexpected technical effects. The wear-resistant layer made of alkali-free glass fiber and the dust-facing layer made of poly (m-phenyleneisophthalamide) fiber are respectively needled on the upper surface and the lower surface of the base fabric, so that the wear resistance and the working temperature of the filter material are obviously improved, the service life is prolonged by at least two times, and after the dust-facing surface of the dust-facing layer is subjected to mechanical raising treatment, the dust supplementing rate of the filter bag is not obviously reduced along with the increase of the backwashing times. Install the filter bag in this application takes vibrating device's frame, pat in time clear up the filter bag lateral wall and upper portion dust through the vibration and get off, prevent that the filter bag surface from gathering a large amount of dusts, influence later stage dust removal effect, compare the filter bag that does not install vibrating device and have apparent progress.
The present invention provides a method and a concept of an industrial dust removing device, and a method and a way for implementing the technical solution are many, and the above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention. All the components not specified in the present embodiment can be realized by the prior art.
Claims (3)
1. The industrial dust removal device is characterized by comprising a frame (1) and a detachable filter bag (4) arranged in the frame (1), wherein vibration devices (11) are arranged at two ends of the frame (1), the vibration devices (11) at the two ends are connected through a connecting rod (2), and a protrusion (3) which is in contact with the outer surface of the filter bag (4) is arranged on the connecting rod (2); the filter bag (4) at least comprises a base cloth layer (41) and a dust facing layer (42), the base cloth layer (41) and the dust facing layer (42) are connected through needling, the surface of the base cloth layer (41) is pre-coated with a coating layer (411) after immersion treatment, one side of the dust facing layer (42) connected with the base cloth layer (41) is subjected to raising treatment, and a fluorine Meisi needled felt is needled on the dust facing side of the dust facing layer (42);
the base cloth layer (41) is obtained by weaving warps and wefts into a net, the warps are formed by twisting, stranding and weaving polytetrafluoroethylene fibers and glass fibers, the wefts are formed by twisting, stranding and weaving polyester fibers and metal conductive fibers, the surface of the base cloth is precoated with a coating layer after immersion treatment, and then the base cloth is obtained by microwave curing and forming; the preparation method comprises the following specific steps:
the method comprises the following steps: respectively carding, twisting and stranding polytetrafluoroethylene fibers and glass fibers to form warp, respectively carding, twisting and stranding polyester fibers and metal conductive fibers to form weft;
step two: weaving the warps and the wefts obtained in the step one through a weaving machine to obtain base cloth;
step three: performing immersion treatment on the base cloth obtained in the step two;
step four: taking out the immersed base cloth, and immediately spraying a coating layer on the surface of the immersed base cloth;
step five: placing the base cloth obtained in the fourth step into microwave for curing and molding;
step six: needling a dust-facing layer on the surface of the base cloth obtained by curing, cutting and sewing into bags;
in the third step, the immersion liquid comprises the following components in parts by weight: 20-35 parts of polyurethane, 20-40 parts of organic silicon resin, 10-20 parts of perfluoroalkyl ethyl acrylate, 5-7 parts of activated carbon, 3-5 parts of magnesium hydroxide, 2-4 parts of antimony oxide, 5-8 parts of tert-butyl hydroquinone derivative and 10-15 parts of silicone oil;
in the fourth step, the coating layer is made of conductive metal powder, the conductive metal powder is mixed with the binder, and the metal powder is uniformly sprayed on the surface of the base cloth through a high-pressure spray gun and is adhered;
the dust-facing layer (42) is made of one or two of polyimide fibers, polyphenylene sulfide fibers, glass fibers, carbon fibers, ceramic fibers, basalt fibers, aramid fibers, polyether-ether-ketone fibers or polyisophthaloyl metaphenylene diamine fibers in a compounding manner;
the other surface of the base cloth layer is at least connected with a wear-resistant layer (43), and the wear-resistant layer (43) is made of alkali-free glass fiber;
grooves (12) for fixing the filter bags are further formed in the two ends of the frame.
2. The industrial dust removal device of claim 1, wherein in the third step, the immersion liquid treatment temperature is 40-60 ℃ and the time is 3-6 h.
3. The industrial dust removal device of claim 1, wherein in the fifth step, the heating power of the microwave is 1-2 k W and the time is 30-50 s.
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