CN211358130U - Anti-static composite fiber filter felt - Google Patents
Anti-static composite fiber filter felt Download PDFInfo
- Publication number
- CN211358130U CN211358130U CN201922233840.3U CN201922233840U CN211358130U CN 211358130 U CN211358130 U CN 211358130U CN 201922233840 U CN201922233840 U CN 201922233840U CN 211358130 U CN211358130 U CN 211358130U
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- Prior art keywords
- layer
- static
- antistatic
- filter
- composite fiber
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- 239000002131 composite material Substances 0.000 title claims abstract description 53
- 239000000835 fiber Substances 0.000 title claims abstract description 34
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000003365 glass fiber Substances 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims description 20
- 229910052751 metal Inorganic materials 0.000 claims description 20
- 150000001875 compounds Chemical class 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 34
- 238000002156 mixing Methods 0.000 abstract description 3
- 229910052802 copper Inorganic materials 0.000 abstract description 2
- 239000010949 copper Substances 0.000 abstract description 2
- 239000002657 fibrous material Substances 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 82
- 230000003068 static effect Effects 0.000 description 36
- 230000009286 beneficial effect Effects 0.000 description 15
- 238000001914 filtration Methods 0.000 description 14
- 230000005611 electricity Effects 0.000 description 12
- 230000002093 peripheral effect Effects 0.000 description 8
- 238000001179 sorption measurement Methods 0.000 description 8
- 230000002349 favourable effect Effects 0.000 description 7
- 230000001965 increasing effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000009999 singeing Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Abstract
The utility model relates to a fiber material filters technical field, discloses an antistatic composite fiber filter felt, and it includes the basic unit, and one side of basic unit is equipped with the composite filter layer, and one side that the basic unit was kept away from to the composite filter layer is equipped with antistatic backing, and antistatic backing is made by copper fibre and glass fiber blending, and one side that the composite filter layer was kept away from to the basic unit is equipped with the overburden of surperficial smoothness, the utility model discloses the effect of antistatic has.
Description
Technical Field
The utility model belongs to the technical field of the fiber material filters technique and specifically relates to an antistatic composite fiber filter felt is related to.
Background
The principle of antistatic is a technique of forming a conductive layer on the surface of a material to reduce the surface resistivity thereof and rapidly leaking static charges that have been generated. Endows the surface of the material with certain lubricity, reduces the friction coefficient, and thereby inhibits and reduces the generation of static charge; a conductive path is created to allow the charged particles to make contact.
The traditional composite needled filter felt disclosed in Chinese patent with patent publication No. CN202740899U comprises a PTFE fiber needled filter felt, and a P84 fiber surface layer is compounded on the PTFE fiber needled filter felt to be used as a needled filter felt surface layer.
The above prior art solutions have the following drawbacks: although the filter felt has the characteristics of high temperature resistance, chemical resistance and flame retardance, the existing needling filter felt is not related to static adsorption, because most of the needling filter felt is made of chemical fibers, static electricity is easily generated due to friction with air, dust, smoke and the like in the using process, and when the static electricity is accumulated to a certain degree, if the dust concentration in the smoke reaches a certain limit, the accumulated static electricity can generate static sparks to cause fire or explosion accidents.
SUMMERY OF THE UTILITY MODEL
To the deficiency that prior art exists, one of the purposes of the utility model is to provide an antistatic composite fiber filter felt with antistatic ability.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides an anti-static composite fiber filter felt, includes the basic unit, one side of basic unit is equipped with compound filter layer, one side that compound filter layer kept away from the basic unit is equipped with the antistatic backing, the antistatic backing is made by conductive metal fiber and glass fiber blending, one side that the basic unit kept away from compound filter layer is equipped with the overburden of surface smoothness.
Through adopting above-mentioned technical scheme, the smooth overburden in surface covers on the basic unit, can reduce the resistivity on surface to be unfavorable for the absorption of static, the compound filter layer is favorable to improving filterable effect, and the antistatic backing further plays the effect of preventing static.
The present invention may be further configured in a preferred embodiment as: the composite filter layer is of a honeycomb structure with at least two layers, and the honeycomb layers in the composite filter layer are arranged in a staggered mode.
Through adopting above-mentioned technical scheme, the honeycomb layer that the dislocation set up makes the structure of compound filter layer more stable on the one hand, and on the other hand dislocation set up makes the gas that gets into compound filter felt, has increased the route that the gas branch flows to be favorable to strengthening filterable effect.
The present invention may be further configured in a preferred embodiment as: and a conductive metal net is arranged between each honeycomb layer in the composite filter layer.
Through adopting above-mentioned technical scheme, the metal mesh makes static conduct away through the metal mesh, plays the effect of preventing static.
The present invention may be further configured in a preferred embodiment as: a plurality of cavities are formed in the honeycomb layer, and conductive filter balls are arranged in the cavities.
Through adopting above-mentioned technical scheme, electrically conductive filter ball can strengthen filterable effect on the one hand, and electrically conductive filter ball and cavity have the clearance in addition, and multilayer honeycomb layer makes the clearance form crooked space, is favorable to improving the area of contact of gas and compound filter layer, further strengthens the filter effect, and on the other hand metal electrically conductive filter ball can conduct static, improves the adsorption efficiency of static.
The present invention may be further configured in a preferred embodiment as: the honeycomb layer forms a plurality of cavities, and a plurality of conductive filter particles are arranged in each cavity.
Through adopting above-mentioned technical scheme, electrically conductive filter particle can play filterable effect on the one hand, and on the other hand utilizes its self electric conductivity, conducts the static that receives to be favorable to increasing static adsorption efficiency.
The present invention may be further configured in a preferred embodiment as: the honeycomb structure is characterized by comprising a plurality of cavities formed by honeycomb layers, wherein sponge blocks matched with the cavities are arranged in the cavities, and conductive metal wires contacting the inner walls of the cavities are arranged on the sponge blocks.
Through adopting above-mentioned technical scheme, the sponge piece not only can play filterable effect, and electrically conductive metal line contact cavity's inner wall moreover for it also can play electrically conductive effect, thereby is favorable to improving the effect of preventing static.
The present invention may be further configured in a preferred embodiment as: and one side of the anti-static layer, which is far away from the composite filter layer, is provided with a plurality of fine copper wire fuzz.
Through adopting above-mentioned technical scheme, thin copper wire fine hair can play electrically conductive effect, will prevent that the static of adsorption on the static layer leads ground to play better antistatic effect.
The present invention may be further configured in a preferred embodiment as: the periphery of the anti-static composite fiber filter felt is provided with a wrapping edge.
By adopting the technical scheme, the edge covering is favorable for ensuring that the peripheral side of the electrostatic composite fiber filter felt is not easy to be rough, so that the resistivity of the peripheral side is reduced, the electrostatic prevention capability is favorably increased, and the electrostatic conduction of the electrostatic prevention layer positioned on the inner side of the edge covering is not influenced.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the base layer is covered with the covering layer with the smooth surface, the surface resistivity of the covering layer can be reduced due to the smooth surface, so that static charges are not easy to gather, the anti-static effect is favorably improved, the composite filter layer is favorable for improving the filtering effect of the filtering device, the anti-static layer further plays a role in preventing static electricity, and the anti-static effect of the filter felt is enhanced;
2. the metal net conducts static charges out, so that the anti-static effect is achieved;
3. the conductive filter ball not only enhances the filtering effect, but also has a gap with the cavity, the multi-layer honeycomb layer enables the gap to form a bent space, thereby being beneficial to improving the contact area of gas and the composite filter layer, prolonging the circulation path of the gas, further enhancing the filtering effect, and the metal conductive filter ball can conduct static electricity, improving the adsorption capacity of the static electricity, and further improving the anti-static effect of the filter felt.
Drawings
FIG. 1 is a schematic overall structure diagram of the first embodiment;
FIG. 2 is a schematic view showing the internal structure of the first embodiment;
FIG. 3 is a schematic view showing the internal structure of the second embodiment;
fig. 4 is a schematic view showing an internal structure of the third embodiment.
Reference numerals: 1. a base layer; 2. a composite filter layer; 3. an antistatic layer; 4. a cover layer; 5. a conductive metal mesh; 6. a cavity; 7. a conductive filter ball; 8. graphite fiber filter particles; 9. a sponge block; 10. a conductive metal line; 11. fine copper wire fuzz; 12. and (6) edge covering.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, for the utility model discloses an antistatic composite fiber filter felt, it is the quadrangular form wholly, include the basic unit 1 of making by the glass fiber silk, the surface singeing of basic unit 1 is smooth surface. The smooth surface covering layer 4 is adhered to one side of the base layer 1 subjected to singeing treatment, and the covering layer 4 increases the flatness and smoothness of the surface of the base layer 1, so that the resistivity of the surface of the base layer is favorably reduced, and static charges are not easily accumulated.
The composite filter layer 2 is bonded on one side of the base layer 1 far away from the covering layer 4, and the composite filter layer 2 is of a honeycomb structure with at least two layers, preferably three honeycomb layers. The honeycomb layer forms a hexagonal prism cavity 6 with a closed space, the honeycomb layer in the composite filter layer 2 is arranged in a staggered mode, and the composite filter layer 2 is made of glass fibers and fine copper wires. And a conductive metal net 5 is arranged between each honeycomb layer in the composite filter layer 2.
The anti-static layer 3 is bonded on one side, far away from the base layer 1, of the composite filter layer 2, the anti-static layer 3 is made of conductive metal fibers and glass fibers in a blending mode, and a plurality of fine copper wire fuzz 11 are hooked and chosen on one side, far away from the composite filter layer 2, of the anti-static layer 3. The periphery of the anti-static composite fiber filter felt is bonded with a rough edge cover 12.
The first embodiment is as follows:
referring to fig. 2, a conductive filter ball 7 made of glass fiber and stainless steel wire is provided in the cavity 6.
The implementation principle of the embodiment is as follows: the smooth surface of the cover layer 4 is covered on the base layer 1, which can lower the surface resistivity, thereby being unfavorable for electrostatic adsorption. The composite filter layer 2 is beneficial to improving the filtering effect, and the anti-static layer 3 further plays a role in preventing static electricity. The edge cover 12 is beneficial to ensuring that the peripheral side of the electrostatic composite fiber filter felt is not easy to be rough, thereby reducing the resistivity of the peripheral side, being beneficial to increasing the anti-static capability and not influencing the conduction of the anti-static layer 3 in the edge cover 12 to static charge. The staggered arrangement of the honeycomb layers increases the stability of the structure of the composite filter layer 2, increases the gas flow path entering the composite filter felt, and improves the filtering effect. The conductive filter balls 7 in the honeycomb layers have good filtering effect, and gaps exist between the conductive filter balls 7 and the cavity 6, so that a bent space is formed between the plurality of honeycomb layers. The bent space is beneficial to improving the flow path of the gas and enhancing the filtering effect. And the metal conductive filter ball 7 can conduct static charge, thereby improving the antistatic capability. The fine copper wire villus 11 can play a role in conducting electricity, and is beneficial to conducting static charges, so that a better anti-static effect is achieved.
Example two:
referring to fig. 3, a plurality of graphite fiber filter particles 8 are disposed in each cavity 6.
The implementation principle of the embodiment is as follows: the smooth surface of the cover layer 4 is covered on the base layer 1, which can lower the surface resistivity, thereby being unfavorable for electrostatic adsorption. The composite filter layer 2 is beneficial to improving the filtering effect, and the anti-static layer 3 further plays a role in preventing static electricity. The edge cover 12 is beneficial to ensuring that the peripheral side of the electrostatic composite fiber filter felt is not easy to be rough, thereby reducing the resistivity of the peripheral side, being beneficial to increasing the anti-static capability and not influencing the conduction of the anti-static layer 3 in the edge cover 12 to static charge. The staggered arrangement of the honeycomb layers increases the stability of the structure of the composite filter layer 2, increases the gas flow path entering the composite filter felt, and improves the filtering effect. The contact area of the graphite fiber filter particles 8 in the honeycomb layer and gas is increased, a good filtering effect is achieved, and the conductive filter particles can conduct static charges, so that the antistatic capacity is improved. The fine copper wire villus 11 can play a role in conducting electricity, and is beneficial to conducting static charges, so that a better anti-static effect is achieved.
Example three:
referring to fig. 4, a hexagonal prism-shaped sponge block 9 fitted into the cavity 6 is provided in the cavity 6, and conductive metal wires 10 are mixed in the sponge block 9.
The implementation principle of the embodiment is as follows: the smooth surface of the cover layer 4 is covered on the base layer 1, which can lower the surface resistivity, thereby being unfavorable for electrostatic adsorption. The composite filter layer 2 is beneficial to improving the filtering effect, and the anti-static layer 3 further plays a role in preventing static electricity. The edge cover 12 is beneficial to ensuring that the peripheral side of the electrostatic composite fiber filter felt is not easy to be rough, thereby reducing the resistivity of the peripheral side, being beneficial to increasing the anti-static capability and not influencing the conduction of the anti-static layer 3 in the edge cover 12 to static charge. The staggered arrangement of the honeycomb layers increases the stability of the structure of the composite filter layer 2, increases the gas flow path entering the composite filter felt, and improves the filtering effect. The sponge block 9 with the conductive metal wires 10 in the honeycomb layer has good filtering effect, and the conductive metal wires 10 can conduct static charges when contacting the inner wall of the cavity 6, thereby being beneficial to improving the antistatic capability. The fine copper wire villus 11 can play a role in conducting electricity, and is beneficial to conducting static charges, so that a better anti-static effect is achieved.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides an antistatic composite fiber filter felt, includes basic unit (1), its characterized in that: one side of basic unit (1) is equipped with compound filter layer (2), compound filter layer (2) are kept away from one side of basic unit (1) is equipped with antistatic backing (3), antistatic backing (3) are made by conductive metal fiber and glass fiber, one side that basic unit (1) was kept away from compound filter layer (2) is equipped with surperficial smooth overburden (4).
2. The antistatic composite fiber filter felt according to claim 1, wherein: the composite filter layer (2) is of a honeycomb structure with at least two layers, and the honeycomb layers in the composite filter layer (2) are arranged in a staggered mode.
3. The antistatic composite fiber filter felt according to claim 2, wherein: and a conductive metal net (5) is arranged between each honeycomb layer in the composite filter layer (2).
4. The antistatic composite fiber filter felt according to claim 3, wherein: a plurality of cavities (6) are formed in the honeycomb layer, and conductive filter balls (7) are arranged in the cavities (6).
5. The antistatic composite fiber filter felt according to claim 3, wherein: the honeycomb layer forms a plurality of cavities (6), and a plurality of graphite fiber filter particles (8) are arranged in each cavity (6).
6. The antistatic composite fiber filter felt according to claim 3, wherein: the honeycomb layer is formed by a plurality of cavities (6), sponge blocks (9) matched with the cavities (6) are arranged in the cavities (6), and conductive metal wires (10) contacting the inner walls of the cavities (6) are arranged on the sponge blocks (9).
7. The antistatic composite fiber filter felt according to claim 1, wherein: and a plurality of fine copper wire villi (11) are arranged on one side of the anti-static layer (3) far away from the composite filter layer (2).
8. The antistatic composite fiber filter felt according to claim 1, wherein: the periphery of the anti-static composite fiber filter felt is provided with a wrapping edge (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922233840.3U CN211358130U (en) | 2019-12-12 | 2019-12-12 | Anti-static composite fiber filter felt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922233840.3U CN211358130U (en) | 2019-12-12 | 2019-12-12 | Anti-static composite fiber filter felt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211358130U true CN211358130U (en) | 2020-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922233840.3U Expired - Fee Related CN211358130U (en) | 2019-12-12 | 2019-12-12 | Anti-static composite fiber filter felt |
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| Country | Link |
|---|---|
| CN (1) | CN211358130U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112501938A (en) * | 2020-12-01 | 2021-03-16 | 南京玻璃纤维研究设计院有限公司 | High-dust-holding and static-dissipation glass fiber filter material and preparation method thereof |
-
2019
- 2019-12-12 CN CN201922233840.3U patent/CN211358130U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112501938A (en) * | 2020-12-01 | 2021-03-16 | 南京玻璃纤维研究设计院有限公司 | High-dust-holding and static-dissipation glass fiber filter material and preparation method thereof |
| WO2022116973A1 (en) * | 2020-12-01 | 2022-06-09 | 南京玻璃纤维研究设计院有限公司 | High-dust-holding capacity and electrostatic dissipation glass fiber filter material, and preparation method therefor |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200828 |