CN211570528U - Special glue for sealing and bonding needle holes of dust-removing filter bags - Google Patents
Special glue for sealing and bonding needle holes of dust-removing filter bags Download PDFInfo
- Publication number
- CN211570528U CN211570528U CN201922167901.0U CN201922167901U CN211570528U CN 211570528 U CN211570528 U CN 211570528U CN 201922167901 U CN201922167901 U CN 201922167901U CN 211570528 U CN211570528 U CN 211570528U
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- Prior art keywords
- filter bag
- layer
- bonding
- sealing
- composite
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- 239000003292 glue Substances 0.000 title claims abstract description 54
- 238000007789 sealing Methods 0.000 title claims abstract description 34
- 239000002131 composite material Substances 0.000 claims abstract description 41
- 239000000853 adhesive Substances 0.000 claims abstract description 28
- 230000001070 adhesive effect Effects 0.000 claims abstract description 28
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 19
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 19
- 229920002725 thermoplastic elastomer Polymers 0.000 claims abstract description 19
- 239000000428 dust Substances 0.000 claims abstract description 18
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 18
- 229920002635 polyurethane Polymers 0.000 claims abstract description 17
- 239000004814 polyurethane Substances 0.000 claims abstract description 17
- 239000000758 substrate Substances 0.000 claims abstract description 16
- 229920000069 polyphenylene sulfide Polymers 0.000 claims abstract description 14
- 239000002390 adhesive tape Substances 0.000 claims abstract description 11
- 239000010410 layer Substances 0.000 claims description 61
- 239000000463 material Substances 0.000 claims description 25
- 238000004026 adhesive bonding Methods 0.000 claims description 10
- 239000004831 Hot glue Substances 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 2
- 239000000565 sealant Substances 0.000 abstract description 15
- 239000002253 acid Substances 0.000 abstract description 8
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 230000003628 erosive effect Effects 0.000 abstract description 4
- 239000003960 organic solvent Substances 0.000 abstract description 4
- 239000003513 alkali Substances 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 239000002585 base Substances 0.000 description 14
- 239000004734 Polyphenylene sulfide Substances 0.000 description 10
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 206010020649 Hyperkeratosis Diseases 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a special glue for dust removal filter bag pinhole sealing bonding, the structure of the special glue comprises a pinhole sealant body and a composite adhesive tape, the utility model discloses a set up the substrate in pinhole sealant body inboard, the pinhole sealant body is squeezed with the filter bag pinhole through the composite adhesive tape with slight dynamics contact and adheres, then the rapid force layer adheres substrate and filter bag, then have the characteristics of acid and alkali resistance, various organic solvents resistance through the inboard polytetrafluoroethylene composite bed of substrate, be convenient for prevent tentatively preventing external erosion, thermoplastic elastomer has good elasticity, environmental protection, temperature resistance under the PPS composite filter bed, be convenient for prevent pinhole sealant body from producing the fracture along with the stretching of filter bag, then cold water resistance through polyurethane adhesive has, oil resistance, the characteristics of acid and thin resistance, further prevent foreign object erosion, reach the viscidity of the special glue that improves the filter bag pinhole sealing bonding, prevent the glue from falling off from the needle eye of the filter bag and improve the sealing performance of the filter bag.
Description
Technical Field
The utility model relates to a cross sealed glue technical field of filter bag pinhole, concretely relates to be used for dust removal to cross special glue that filter bag pinhole seals bonding.
Background
At present, the main equipment for controlling the emission of burning dust particles of a coal-fired thermal power plant in China is gradually changed from a traditional simple electric dust remover into a bag type dust remover or an electric bag composite dust remover with a filter bag as a core, so that the requirement of ultralow emission is met, and special glue for sealing and bonding the needle holes is often required to be coated around the needle holes of the filter bag in the use process of the filter bag.
When the filter bag needle eye is glued for use, the special glue for sealing and bonding the needle eye is smeared at the sealing position of the filter bag needle eye, so that the leakage phenomenon of the filter bag in use is prevented, however, the special glue for sealing and bonding the needle eye of the existing dust removal filter bag has low bonding strength, and the phenomenon that the glue and the needle eye of the filter bag fall off frequently occurs, so that the sealing property of the filter bag is poor.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to overcome the defects of the prior art, the special glue for sealing and bonding the needle eye of the dust removal filter bag is provided, the problem that the special glue for sealing and bonding the needle eye of the dust removal filter bag is low in bonding strength and poor in sealing performance of the filter bag due to the fact that the glue and the needle eye of the filter bag fall off frequently is solved, the viscosity of the special glue for sealing and bonding the needle eye of the filter bag is improved, the glue and the needle eye of the filter bag are prevented from falling off, and the sealing performance of the filter bag is improved.
(II) technical scheme
The utility model discloses a following technical scheme realizes: the utility model provides a special glue that is used for dust removal to cross sealed bonding of filter bag pinhole, including sealed glue body of pinhole and compound sticky tape, compound sticky tape bottom is sealed glue body seamless bonding with the pinhole all around, the sealed glue body of pinhole includes hot melt adhesive layer, quick adhesion layer, substrate, glues basic unit and parcel layer, the hot melt adhesive layer bottom is glued and is glutinous fast adhesion layer, both ends and the seamless bonding of gluing basic unit about the substrate, the substrate top is through gluing basic unit and quick adhesion layer bonding, the substrate bottom is through gluing basic unit and parcel layer seamless bonding, hot melt adhesive layer bonds with compound sticky tape all around.
Further, the substrate comprises a polytetrafluoroethylene composite layer, a PPS (polyphenylene sulfide) composite filter material layer, a thermoplastic elastomer and a polyurethane adhesive, the inner side of the top of the polytetrafluoroethylene composite layer is in seamless fit with the PPS composite filter material layer, the bottom of the PPS composite filter material layer is mutually adhered with the thermoplastic elastomer, the polyurethane adhesive is arranged at the bottom of the thermoplastic elastomer, and the upper end and the lower end of the polytetrafluoroethylene composite layer are in seamless fit with an adhesive base layer.
Furthermore, the composite adhesive tape is in a square frame shape, and the thickness of the composite adhesive tape is 0.2 mm.
Furthermore, glue the basic unit and be provided with 2, and glue basic unit thickness and be 0.1 mm.
Furthermore, the thickness of the thermoplastic elastomer is 0.1mm, and the upper end and the lower end of the thermoplastic elastomer are covered with adhesive materials.
Furthermore, the paving range of the polyurethane adhesive is equal to the area of the polytetrafluoroethylene composite layer, and the thickness of the polyurethane adhesive is 0.1 mm.
(III) advantageous effects
Compared with the prior art, the utility model, following beneficial effect has:
in order to solve the problem that the needle eye sealing and bonding special glue for the existing dust removal filter bag has low bonding strength and often has the phenomenon that the glue falls off from the needle eye of the filter bag, so that the sealing performance of the filter bag is poor, the needle eye sealing glue body is contacted with the needle eye of the filter bag through a compound adhesive tape and extruded and bonded with the needle eye of the filter bag in slight force, then the base material is bonded with the filter bag through a rapid force layer, then a polytetrafluoroethylene composite layer on the inner side of the base material has the characteristics of acid resistance, alkali resistance and various organic solvents resistance, so that the external erosion is conveniently prevented, a thermoplastic elastomer below a PPS composite filter material layer has excellent elasticity, environmental protection, static resistance, large surface friction coefficient and temperature resistance, so that the needle eye sealing glue body is conveniently prevented from being broken along with the stretching of the filter bag and then is bonded with a polyurethane adhesive through the lower part of the thermoplastic, the needle eye sealing glue has the characteristics of oil resistance and dilute acid resistance, and is convenient for further preventing the needle eye sealing glue body from being corroded by foreign matters, so that the service life of the needle eye sealing glue is prolonged, and the beneficial effects of improving the viscosity of special glue for sealing and bonding the needle eyes of the filter bag, preventing the glue from falling off from the needle eyes of the filter bag and improving the sealing performance of the filter bag are achieved.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the cross-sectional structure of the needle eye sealant body of the present invention;
FIG. 3 is a schematic cross-sectional view of the base material of the present invention;
FIG. 4 is a schematic structural view of an enlarged view of the needle eye sealant body A of the present invention;
fig. 5 is a schematic view of the needle eye sealant body explosion structure of the utility model.
In the figure: the needle eye sealant comprises a needle eye sealant body-1, a composite adhesive tape-2, a hot melt adhesive layer-11, a quick adhesion layer-12, a base material-13, a sticky base layer-14, a wrapping layer-15, a polytetrafluoroethylene composite layer-131, a PPS composite filter material layer-132, a thermoplastic elastomer-133 and a polyurethane adhesive-134.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the present invention provides a special adhesive for sealing and bonding needle holes of dust-removing filter bags: including sealed glue body 1 and compound sticky tape 2 of needle eye, compound sticky tape 2 bottom is sealed glue body 1 seamless bonding with the needle eye all around, be favorable to gluing the laminating with the filter bag, sealed glue body 1 of needle eye includes hot-melt adhesive layer 11, quick adhesion layer 12, substrate 13, glue basic unit 14 and parcel layer 15, 11 bottom glues to glue to have quick adhesion layer 12, both ends and 14 seamless bonding of gluing basic unit about substrate 13, be favorable to improving the viscidity of callus on the sole, substrate 13 top is through gluing basic unit 14 and 12 bonding of quick adhesion layer, substrate 13 bottom is through gluing basic unit 14 and 15 seamless bonding of parcel layer, hot-melt adhesive layer 11 bonds with compound sticky tape 2 all around.
The base material 13 comprises a polytetrafluoroethylene composite layer 131, a PPS composite filter material layer 132, a thermoplastic elastomer 133 and a polyurethane adhesive 134, the inner side of the top of the polytetrafluoroethylene composite layer 131 is in seamless fit with the PPS composite filter material layer 132, the bottom of the PPS composite filter material layer 132 is mutually adhered with the thermoplastic elastomer 133, the environmental protection and temperature resistance of glue are facilitated, the polyurethane adhesive 134 is arranged at the bottom of the thermoplastic elastomer 133, the corrosion resistance of the glue is facilitated to be improved, and the upper end and the lower end of the polytetrafluoroethylene composite layer 131 are in seamless fit with the adhesive base layer 14.
The composite adhesive tape 2 is in a square frame shape, and the thickness of the composite adhesive tape 2 is 0.2mm, so that the adhesive can be coated on the surface of the needle eye of the filter bag.
Wherein, glue basic unit 14 and be provided with 2, and glue basic unit 14 thickness and be 0.1mm, be favorable to improving gluey toughness.
The thickness of the thermoplastic elastomer 133 is 0.1mm, and the upper end and the lower end of the thermoplastic elastomer 133 are covered with adhesive materials, so that the environment-friendly, anti-static, large-surface friction coefficient and temperature-resistant performance of the adhesive are improved.
The paving range of the polyurethane adhesive 134 is equal to the area of the polytetrafluoroethylene composite layer 131, and the thickness of the polyurethane adhesive 134 is 0.1mm, so that the cold water resistance, oil resistance and dilute acid resistance of the adhesive can be improved.
The PTFE layer 131, abbreviated as PTFE, is generally referred to as "non-stick coating" or "easy-to-clean material" and is characterized by resistance to acids, alkalis, and various organic solvents, and is almost insoluble in all solvents, and meanwhile, PTFE has the characteristic of high temperature resistance and has a very low coefficient of friction.
The working principle is as follows: when in use, the needle eye sealant body 1 is firstly contacted and extruded with the needle eye of the filter bag by the composite adhesive tape 2 with slight force, so that the heat capacity adhesive layer 11 and the quick adhesion layer 12 are quickly adhered with the needle eye of the filter bag, then the base material 13 is adhered with the filter bag by the quick adhesion layer 12, the adhered part of the base material 13 by the quick adhesion layer 12 is adhered by the adhesion base layer 14, the adhesion between the needle eye sealant body 1 and the filter bag is conveniently improved, the falling-off of the needle eye sealant body is prevented, then the lower end of the base material 13 is adhered by the adhesion base layer 14 and the wrapping layer 15, the integral toughness of the needle eye sealant body 1 is conveniently improved, then the polytetrafluoroethylene composite layer 131 on the inner side of the base material 13 has the characteristics of acid and alkali resistance and various organic solvents resistance, is convenient for preventing external erosion, the thermoplastic elastomer 133 below the composite PPS filter material layer 132 has excellent elasticity, environmental protection, static resistance, large surface friction coefficient and temperature resistance, and, then, the lower part of the thermoplastic elastomer 133 is attached to the polyurethane adhesive 134, and the characteristics of cold water resistance, oil resistance and dilute acid resistance of the polyurethane adhesive 134 facilitate further preventing the needle eye sealant body 1 from being eroded by foreign objects, thereby prolonging the service life of the needle eye sealant body, achieving the beneficial effects of improving the viscosity of the special glue for sealing and bonding the needle eyes of the filter bag, preventing the glue from falling off from the needle eyes of the filter bag and improving the sealing performance of the filter bag.
The basic principle and the main characteristics of the present invention and the advantages of the present invention have been shown and described above, and the present invention uses standard parts that can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the attached drawings, the specific connection mode of each part is all the conventional means such as bolt and rivet, welding, etc. mature in the prior art, and machinery, parts and equipment are all adopted in the prior art, and the conventional model is added to the conventional connection mode in the prior art, and detailed description is not given here.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A special adhesive for sealing and bonding a needle hole of a dust removal filter bag comprises a composite adhesive tape (2);
the method is characterized in that: including sealed gluey body (1) of needle eye, compound sticky tape (2) bottom is sealed all around with needle eye sealed gluey body (1) seamless bonding, needle eye sealed gluey body (1) includes hot-melt adhesive layer (11), quick adhesion layer (12), substrate (13), glues basic unit (14) and parcel layer (15), hot-melt adhesive layer (11) bottom is glued and is glutinous fast adhesion layer (12), both ends and the seamless bonding of gluing basic unit (14) about substrate (13), substrate (13) top is through gluing basic unit (14) and bonding with quick adhesion layer (12), substrate (13) bottom is through gluing basic unit (14) and parcel layer (15) seamless bonding, hot-melt adhesive layer (11) bond with compound sticky tape (2) all around.
2. The special glue for sealing and bonding the needle hole of the dust removing filter bag according to claim 1, is characterized in that: the base material (13) comprises a polytetrafluoroethylene composite layer (131), a PPS composite filter material layer (132), a thermoplastic elastomer (133) and a polyurethane adhesive (134), wherein the inner side of the top of the polytetrafluoroethylene composite layer (131) is seamlessly attached to the PPS composite filter material layer (132), the bottom of the PPS composite filter material layer (132) is mutually adhered to the thermoplastic elastomer (133), the polyurethane adhesive (134) is arranged at the bottom of the thermoplastic elastomer (133), and the upper end and the lower end of the polytetrafluoroethylene composite layer (131) are seamlessly attached to an adhesive base layer (14).
3. The special glue for sealing and bonding the needle hole of the dust removing filter bag according to claim 1, is characterized in that: the composite adhesive tape (2) is in a square frame shape, and the thickness of the composite adhesive tape (2) is 0.2 mm.
4. The special glue for sealing and bonding the needle hole of the dust removing filter bag according to claim 1, is characterized in that: glue basic unit (14) and be provided with 2, just glue basic unit (14) thickness and be 0.1 mm.
5. The special glue for sealing and bonding the needle hole of the dust removing filter bag according to claim 1, is characterized in that: the thickness of the quick adhesion layer (12) is 0.09mm, and the thickness of the wrapping layer (15) is 0.1 mm.
6. The special glue for sealing and bonding the needle hole of the dust removing filter bag according to claim 2, is characterized in that: the thickness of the thermoplastic elastomer (133) is 0.1mm, and the upper end and the lower end of the thermoplastic elastomer (133) are covered with adhesive materials.
7. The special glue for sealing and bonding the needle hole of the dust removing filter bag according to claim 2, is characterized in that: the paving range of the polyurethane adhesive (134) is equal to the area of the polytetrafluoroethylene composite layer (131), and the thickness of the polyurethane adhesive (134) is 0.1 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922167901.0U CN211570528U (en) | 2019-12-06 | 2019-12-06 | Special glue for sealing and bonding needle holes of dust-removing filter bags |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922167901.0U CN211570528U (en) | 2019-12-06 | 2019-12-06 | Special glue for sealing and bonding needle holes of dust-removing filter bags |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211570528U true CN211570528U (en) | 2020-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922167901.0U Expired - Fee Related CN211570528U (en) | 2019-12-06 | 2019-12-06 | Special glue for sealing and bonding needle holes of dust-removing filter bags |
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| Country | Link |
|---|---|
| CN (1) | CN211570528U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112625615A (en) * | 2020-11-30 | 2021-04-09 | 安徽元琛环保科技股份有限公司 | Manufacturing method of filter bag needle hole sealing hot-melt adhesive tape |
| CN113214750A (en) * | 2021-03-02 | 2021-08-06 | 上海灵氟隆膜技术有限公司 | Composite adhesive tape for sealing needle hole of dust removal cloth bag and preparation method thereof |
-
2019
- 2019-12-06 CN CN201922167901.0U patent/CN211570528U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112625615A (en) * | 2020-11-30 | 2021-04-09 | 安徽元琛环保科技股份有限公司 | Manufacturing method of filter bag needle hole sealing hot-melt adhesive tape |
| CN113214750A (en) * | 2021-03-02 | 2021-08-06 | 上海灵氟隆膜技术有限公司 | Composite adhesive tape for sealing needle hole of dust removal cloth bag and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200925 |
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| CF01 | Termination of patent right due to non-payment of annual fee |