CN219290871U - Tearing-resistant PTFE filter bag - Google Patents
Tearing-resistant PTFE filter bag Download PDFInfo
- Publication number
- CN219290871U CN219290871U CN202222907301.5U CN202222907301U CN219290871U CN 219290871 U CN219290871 U CN 219290871U CN 202222907301 U CN202222907301 U CN 202222907301U CN 219290871 U CN219290871 U CN 219290871U
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- layer
- tearing
- filter bag
- resistant
- ptfe
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- 229920001343 polytetrafluoroethylene Polymers 0.000 title claims abstract description 40
- 239000004810 polytetrafluoroethylene Substances 0.000 title claims abstract description 40
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000004677 Nylon Substances 0.000 claims abstract description 24
- 229920001778 nylon Polymers 0.000 claims abstract description 24
- 229920001971 elastomer Polymers 0.000 claims abstract description 13
- 229920000742 Cotton Polymers 0.000 claims abstract description 12
- 229920000728 polyester Polymers 0.000 claims description 42
- 229920000459 Nitrile rubber Polymers 0.000 claims description 9
- 239000011152 fibreglass Substances 0.000 claims description 3
- 239000012943 hotmelt Substances 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims 3
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 238000005253 cladding Methods 0.000 claims 1
- 239000003365 glass fiber Substances 0.000 abstract description 20
- 230000000694 effects Effects 0.000 abstract description 13
- 238000002844 melting Methods 0.000 abstract description 8
- 230000008018 melting Effects 0.000 abstract description 8
- 239000010410 layer Substances 0.000 description 77
- 239000000463 material Substances 0.000 description 8
- 238000009940 knitting Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- -1 polytetrafluoroethylene Polymers 0.000 description 3
- 239000004809 Teflon Substances 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 239000012209 synthetic fiber Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Landscapes
- Wrappers (AREA)
- Filtering Materials (AREA)
- Packages (AREA)
Abstract
The utility model belongs to the technical field of PTFE filter bags, and particularly relates to a tearing-resistant PTFE filter bag which comprises a filter bag body, wherein the filter bag body consists of a PTFE layer, a tearing-resistant layer, an activated carbon cotton layer and an ultraviolet-resistant layer, the tearing-resistant layer consists of a rubber protection edge, a tearing-resistant nylon layer and a second glass fiber grating net sheet, the tearing-resistant nylon layer is provided with two layers, the second glass fiber grating net sheet is compositely adhered between the two layers of the tearing-resistant nylon layers, the inner side surface and the outer side surface of the PTFE layer are compositely provided with the tearing-resistant layers through hot melting of the rubber protection edge, and the tearing-resistant nylon layer is matched with the mechanical property of the second glass fiber grating net sheet, so that the whole tearing-resistant layer has good tensile strength, the tearing-resistant strength and the creep-resistant property, and the tearing-resistant effect at the port of the filter bag body can be improved through adhering the edge at the port of the filter bag body.
Description
Technical Field
The utility model relates to the technical field of PTFE filter bags, in particular to a tearing-resistant PTFE filter bag.
Background
PTFE, polytetrafluoroethylene, also known as Teflon (Teflon), is one of the highest varieties in bag filter materials. The polytetrafluoroethylene synthetic fiber filter bag is a filter bag made of a unique material, and can resist acid and alkali corrosion in all pH value ranges under the condition of continuous operation temperature of 240 ℃ and instantaneous temperature of 260 ℃. The polytetrafluoroethylene synthetic fiber filter bag has excellent self-wetting property and does not absorb moisture. However, the wear resistance of the PTFE fiber filter material is general, so that the filter bag frame has a stricter requirement (smoothness). The Ao blue PTFE fiber filter bag is relatively suitable for the occasions with high requirements on the service life of filter materials and severe conditions requiring corrosion resistance.
The self tearing resistance effect of the existing PTFE filter bag is poor, especially the port of the PTFE filter bag is easy to tear under the action of external force, so that the service life of the PTFE filter bag is influenced, and in order to solve the problem, the application provides the tearing resistance PTFE filter bag.
Disclosure of Invention
Object of the utility model
In order to solve the technical problems in the background art, the utility model provides the anti-tearing PTFE filter bag, which is characterized in that the inner side surface and the outer side surface of the PTFE layer are both compounded with anti-tearing layers, the anti-tearing nylon layer is matched with the mechanical property of a second glass fiber grid net sheet, so that the whole anti-tearing layer has good tensile strength, anti-tearing strength and creep resistance, and the port of the filter bag body is adhered with a binding edge, the anti-tearing effect of the port of the filter bag body can be improved, and the whole anti-tearing effect of the filter bag body can be improved.
(II) technical scheme
In order to solve the technical problems, the utility model provides a tearing-resistant PTFE filter bag, which comprises a filter bag body, wherein the filter bag body consists of a PTFE layer, a tearing-resistant layer, an activated carbon cotton layer and an ultraviolet-resistant layer, the tearing-resistant layer consists of a rubber protection edge, a tearing-resistant nylon layer and a second glass fiber grating net sheet, the tearing-resistant nylon layer is provided with two layers, the second glass fiber grating net sheet is compositely adhered between the two layers of the tearing-resistant nylon layer, the rubber protection edge is coated at two ends of the tearing-resistant layer in a hot melting manner, the ultraviolet-resistant layer consists of a first ultraviolet-resistant polyester bundle and a second ultraviolet-resistant polyester bundle, a wrapping edge is adhered to a port of the filter bag body, and the wrapping edge consists of a nitrile rubber layer and the first glass fiber grating net sheet.
Preferably, the inner side surface and the outer side surface of the PTFE layer are compounded with a tearing-resistant layer, and the PTFE layer, the tearing-resistant layer, the activated carbon cotton layer and the ultraviolet-resistant layer are sequentially compounded and bonded and connected.
Preferably, the first ultraviolet-proof polyester bundles and the second ultraviolet-proof polyester bundles are all provided with a plurality of the same, and the second ultraviolet-proof polyester bundles and the first ultraviolet-proof polyester bundles are connected through warp and weft interweaving.
Preferably, the first ultraviolet-proof polyester bundles and the second ultraviolet-proof polyester bundles are formed by twisting a plurality of ultraviolet-proof polyester monofilaments.
Preferably, the edge wrapping tail ends respectively extend to the same positions of the outer wall and the inner wall of the port of the filter bag body.
Preferably, the glass fiber grid net sheet is arranged on the inner side of the nitrile rubber layer in a hot melting mode.
The technical scheme of the utility model has the following beneficial technical effects:
1. according to the utility model, the inner side surface and the outer side surface of the PTFE layer are both compounded with the anti-tearing layer, the anti-tearing nylon layer has good anti-tearing effect, and the anti-tearing nylon layer is matched with the mechanical property of the second glass fiber grating net sheet, so that the whole anti-tearing layer has good tensile strength, anti-tearing strength and creep resistance, the rubber protection edges are coated at the two ends of the anti-tearing layer in a hot melting manner, the edge of the end part of the anti-tearing layer plays roles in protection and anti-tearing, and the edge of the anti-tearing protection edge is adhered to the port of the filter bag body, and the edge of the anti-tearing protection edge is formed by hot melting the first glass fiber grating net sheet on the inner side of the nitrile rubber layer, so that the anti-tearing effect of the port of the filter bag body can be improved, and the whole anti-tearing effect of the filter bag body can be improved.
2. According to the utility model, the activated carbon cotton layer is arranged, and the activated carbon cotton is loaded on the non-collodion filter screen base material by adopting the high polymer bonding material, so that the contact times of air are increased, and the filtered air can be effectively purified.
3. According to the utility model, the anti-ultraviolet layer is arranged at the outermost side of the filter bag body, and the first anti-ultraviolet polyester bundles and the second anti-ultraviolet polyester bundles forming the anti-ultraviolet layer are formed by twisting a plurality of anti-ultraviolet polyester monofilaments, so that the filter bag body has a good anti-ultraviolet effect, and the filter bag body is prevented from aging too fast.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of a filter bag body according to the present utility model;
FIG. 3 is a schematic diagram of a wrapping section structure of the present utility model;
FIG. 4 is a schematic perspective view of a tear resistant layer according to the present utility model;
FIG. 5 is a schematic cross-sectional view of a tear-resistant layer according to the present utility model
FIG. 6 is a schematic view of the structure of the UV-protective layer according to the present utility model.
Reference numerals:
1. a filter bag body;
2. wrapping edges; 201. a nitrile rubber layer; 202. a first fiberglass grill mesh;
3. a PTFE layer;
4. a tear resistant layer; 401. rubber edge protection; 402. a tear resistant nylon layer; 403. a second fiberglass grill mesh;
5. an activated carbon cotton layer;
6. an ultraviolet-resistant layer; 601. a first ultraviolet-resistant polyester bundle; 602. and the second ultraviolet-proof polyester bundles.
Detailed Description
The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
as shown in fig. 1-6, the anti-tearing PTFE filter bag provided by the present utility model comprises a filter bag body 1, wherein the filter bag body 1 is composed of a PTFE layer 3, an anti-tearing layer 4, an activated carbon cotton layer 5 and an anti-ultraviolet layer 6, the anti-tearing layer 4 is composed of a rubber protection edge 401, an anti-tearing nylon layer 402 and a second glass fiber grating net sheet 403, the anti-tearing nylon layer 402 is provided with two layers, the second glass fiber grating net sheet 403 is compositely adhered between the two anti-tearing nylon layers 402, the rubber protection edge 401 is coated at two ends of the anti-tearing layer 4 in a hot melt manner, the anti-ultraviolet layer 6 is composed of a first anti-ultraviolet polyester bundle 601 and a second anti-ultraviolet polyester bundle 602, the port of the filter bag body 1 is adhered with a wrapping edge 2, and the wrapping edge 2 is composed of a nitrile rubber layer 201 and the first glass fiber grating net sheet 202.
In this embodiment, as shown in fig. 2, the inner side surface and the outer side surface of the PTFE layer 3 are both composited with a tear-resistant layer 4, and the PTFE layer 3, the tear-resistant layer 4, the activated carbon cotton layer 5 and the ultraviolet-resistant layer 6 are sequentially composited and bonded;
it should be noted that, while ensuring the tearing resistance of the filter bag body 1, the filter bag body 1 also has the functions of air purification and ultraviolet radiation resistance.
In this embodiment, as shown in fig. 4, the first anti-ultraviolet polyester bundles 601 and the second anti-ultraviolet polyester bundles 602 are provided with a plurality of pieces, and the plurality of pieces of the second anti-ultraviolet polyester bundles 602 are connected with the first anti-ultraviolet polyester bundles 601 by warp and weft interweaving;
it should be noted that, by using advanced warp knitting machine in foreign countries to weave the base material, warp knitting and weft knitting are performed on the first ultraviolet-proof polyester bundles 601 and the second ultraviolet-proof polyester bundles 602 by using warp knitting directional structures, which is convenient for processing and forming.
In this embodiment, as shown in fig. 4, the first anti-ultraviolet polyester bundle 601 and the second anti-ultraviolet polyester bundle 602 are each formed by twisting a plurality of anti-ultraviolet polyester monofilaments;
it should be noted that, by twisting a plurality of anti-ultraviolet polyester monofilaments to form the first anti-ultraviolet polyester bundle 601 and the second anti-ultraviolet polyester bundle 602, the overall structural strength of the first anti-ultraviolet polyester bundle 601 and the second anti-ultraviolet polyester bundle 602 can be effectively improved.
In this embodiment, as shown in fig. 1, the ends of the edge-covering 2 extend to the same positions of the outer wall and the inner wall of the port of the filter bag body 1 respectively;
it should be noted that the port of the filter bag body 1 is well protected.
In this embodiment, as shown in fig. 1 and 3, the first glass fiber grid mesh 202 is disposed inside the nitrile rubber layer 201 by hot melting;
it should be noted that the overall anti-tearing effect of the wrapping edge 2 can be improved, so that the port of the filter bag body 1 is well protected.
The working principle and the using flow of the utility model are as follows: the inner side surface and the outer side surface of the PTFE layer 3 are both compounded with a tearing-resistant layer 4, the tearing-resistant layer 4 is composed of a rubber protection edge 401, a tearing-resistant nylon layer 402 and a second glass fiber grating net piece 403, the tearing-resistant nylon layer 402 is provided with two layers, the second glass fiber grating net piece 403 is compounded and adhered between the two tearing-resistant nylon layers 402, the rubber protection edge 401 is coated at two ends of the tearing-resistant layer 4 in a hot melting mode, the tearing-resistant nylon is a woven fabric, the tearing-resistant nylon is usually made of nylon, the tearing-resistant nylon is made of special reinforcing technology, in the weaving process, (coarse) reinforcing yarns are regularly interwoven in a cross-hatched pattern, the interval is usually 5 to 8 millimeters (0.2 to 0.3 inch), because the coarser yarns are interwoven in a thinner cloth, the thin and light tearing-resistant grating fabric has a two-dimensional structure, and the mechanical property of the second glass fiber grating net piece 403 is matched, the whole tearing-resistant layer 4 has good tensile strength, tearing strength and creep resistance, the rubber protecting edge 401 is coated at the two ends of the tearing-resistant layer 4 in a hot melting way, the edge of the end part of the tearing-resistant layer 4 plays a role of protection and tearing resistance, the edge covering 2 is adhered to the end part of the filter bag body 1, the edge covering 2 consists of a first glass fiber grating net sheet 202 which is hot melted on the inner side of the nitrile rubber layer 201, the first glass fiber grating net sheet 202 is selected from high-quality reinforced alkali-free glass fiber yarns, a warp knitting directional structure is adopted, the yarn strength in the fabric is fully utilized, the mechanical property is improved, the good tensile strength, the tearing strength and the creep resistance are realized, the whole tearing-resistant effect of the edge covering 2 is improved, the whole tearing-resistant effect of the filter bag body 1 is improved, the service life of the filter bag body 1 is ensured, the activated carbon cotton layer 5 is arranged, the activated carbon cotton adopts polymer bonding material to carry the contact number of times of air on no collodion filter screen substrate with the activated carbon increase, can effectually purify filterable air, through setting up anti-ultraviolet layer 6 in the outermost side of filter bag body 1, the first anti-ultraviolet polyester bundle 601 and the second anti-ultraviolet polyester bundle 602 of constituteing anti-ultraviolet layer 6 are by the twisting of many anti-ultraviolet polyester monofilaments, consequently make filter bag body 1 have fine anti-ultraviolet effect, avoid the ageing of filter bag body 1 too fast.
It is to be understood that the above-described embodiments of the present utility model are merely illustrative of or explanation of the principles of the present utility model and are in no way limiting of the utility model. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present utility model should be included in the scope of the present utility model. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.
Claims (6)
1. The utility model provides a PTFE filter bag of anti tearing, its characterized in that, includes filter bag body (1), filter bag body (1) comprises PTFE layer (3), anti tearing layer (4), active carbon cotton layer (5) and anti ultraviolet layer (6), anti tearing layer (4) are by rubber safe edge (401), anti tearing nylon layer (402) and second glass fine grid net piece (403) are constituteed, anti tearing nylon layer (402) are provided with two-layer, and the compound bonding of second glass fine grid net piece (403) is in two-layer between anti tearing nylon layer (402), rubber safe edge (401) hot melt cladding is at the both ends of anti tearing layer (4), anti ultraviolet layer (6) are constituteed by first anti ultraviolet polyester bundle (601) and second anti ultraviolet polyester bundle (602), filter bag body (1) port department bonds and has bordure (2), bordure (2) are constituteed by nitrile rubber layer (201) and first glass fine grid (202).
2. The anti-tearing PTFE filter bag according to claim 1, wherein the inner side surface and the outer side surface of the PTFE layer (3) are respectively compounded with an anti-tearing layer (4), and the PTFE layer (3), the anti-tearing layer (4), the activated carbon cotton layer (5) and the anti-ultraviolet layer (6) are sequentially compounded and bonded.
3. The anti-tearing PTFE filter bag according to claim 1, wherein the first anti-uv polyester bundles (601) and the second anti-uv polyester bundles (602) are provided with a plurality of strips, and the second anti-uv polyester bundles (602) and the first anti-uv polyester bundles (601) are connected by warp-weft interweaving.
4. A tear resistant PTFE filter bag according to claim 3, wherein the first uv resistant polyester bundle (601) and the second uv resistant polyester bundle (602) are each comprised of a plurality of uv resistant polyester monofilaments twisted.
5. A tear resistant PTFE filter bag according to claim 1, wherein the ends of the selvedge (2) extend to the same location on the outer and inner walls of the port of the filter bag body (1), respectively.
6. A tear resistant PTFE filter bag according to claim 1, wherein the first fiberglass grill mesh (202) is heat fused inside the nitrile rubber layer (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222907301.5U CN219290871U (en) | 2022-11-02 | 2022-11-02 | Tearing-resistant PTFE filter bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222907301.5U CN219290871U (en) | 2022-11-02 | 2022-11-02 | Tearing-resistant PTFE filter bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219290871U true CN219290871U (en) | 2023-07-04 |
Family
ID=86987019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222907301.5U Active CN219290871U (en) | 2022-11-02 | 2022-11-02 | Tearing-resistant PTFE filter bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219290871U (en) |
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2022
- 2022-11-02 CN CN202222907301.5U patent/CN219290871U/en active Active
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