CN210699193U - Alkali-free bulked glass fiber filter bag - Google Patents
Alkali-free bulked glass fiber filter bag Download PDFInfo
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- CN210699193U CN210699193U CN201920155107.1U CN201920155107U CN210699193U CN 210699193 U CN210699193 U CN 210699193U CN 201920155107 U CN201920155107 U CN 201920155107U CN 210699193 U CN210699193 U CN 210699193U
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Abstract
The utility model provides an alkali-free bulked glass fiber filter bag, comprises a bag bod, the bag body is made by alkali-free bulked glass fiber filter material, alkali-free bulked glass fiber filter material includes the base cloth layer and covers the mixed fiber layer that closes on base cloth layer two sides, handles the back at the outer composite fiber layer surface through the surface treatment agent, covers through the hot pressing with the polyimide microporous membrane and closes, the base cloth layer is interweaved for the conductive yarn of stainless steel fiber and entangles and forms by warp for alkali-free glass fiber bulked yarn and weft. The utility model discloses an alkali-free bulked glass fiber filter bag has high temperature resistant, corrosion-resistant, refuse water, resistant oil, stable in size, extension shrinkage factor is minimum, and the advantage that intensity is high has excellent, lasting antistatic behavior simultaneously, and the resistivity is low, can disperse the static charge that the dust produced effectively, eliminates the influence of static, reduces because of potential safety hazards such as blasting nature dust explosion that electrostatic shock or spark discharge caused, but wide application in the micronic dust filters.
Description
Technical Field
The utility model relates to a filter bag, concretely relates to alkali-free bulked glass fiber filter bag.
Background
The filter bag is a key part in the operation process of the bag type dust collector, and the cylindrical filter bag is usually vertically hung in the dust collector. The fabric and design of the filter bag should seek high-efficiency filtration, easy dust stripping and durable effect as much as possible. The alkali-free expanded glass fiber filter bag has the advantages of high temperature resistance, corrosion resistance, stable size, extremely small extension shrinkage rate and high strength, but the folding resistance is not high enough, so that a cage frame in the filter bag is used for supporting the filter bag to prevent the filter bag from collapsing, and the alkali-free expanded glass fiber filter bag is beneficial to clearing and redistributing dust cakes.
Disclosure of Invention
To the problem that above-mentioned prior art exists, the utility model aims at providing a baking finish steel sheet with thermal-insulated syllable-dividing effect.
In order to achieve the above purpose, the utility model adopts the technical proposal that: the alkali-free bulked glass fiber filter bag comprises a bag body, wherein the bag body is made of an alkali-free bulked glass fiber filter material, the alkali-free bulked glass fiber filter material comprises a base cloth layer and mixed fiber layers coated on two surfaces of the base cloth layer, the surface of the outer composite fiber layer is treated by a surface treatment agent and then is coated with a polyimide microporous membrane through hot pressing, and the base cloth layer is formed by interweaving and tangling warp yarns which are alkali-free glass fiber bulked yarns and weft yarns which are stainless steel fiber conductive yarns.
Preferably, the composite fiber layer is a mixed fiber of basalt fibers and mayas fibers.
Preferably, the mass ratio of the basalt fibers to the martens fibers is 2: 1.
Preferably, the surface treating agent is prepared from the following raw materials in parts by weight: 0.1-0.3 part of surfactant, 0.3-0.8 part of silane coupling agent, 1-3 parts of ethanol and the balance of water.
Preferably, the surface treating agent is prepared from the following raw materials in parts by weight: 0.2 part of surfactant, 0.5 part of silane coupling agent, 2 parts of ethanol and the balance of water.
Preferably, the thickness of the mixed fiber layer is 30 to 60 nm.
Preferably, the thickness of the base fabric layer is 0.1 to 0.3 mm.
The utility model has the advantages that: the utility model discloses an alkali-free bulked glass fiber filter bag has high temperature resistant, corrosion-resistant, refuse water, resistant oil, stable in size, extension shrinkage factor is minimum, and the advantage that intensity is high has excellent, lasting antistatic behavior simultaneously, and the resistivity is low, can disperse the static charge that the dust produced effectively, eliminates the influence of static, reduces because of potential safety hazards such as blasting nature dust explosion that electrostatic shock or spark discharge caused, but wide application in the micronic dust filters.
The present invention will be further explained with reference to the drawings and examples.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural view of the alkali-free bulked glass fiber filter material of the present invention;
FIG. 2 is a schematic structural view of the alkali-free bulked glass fiber filter bag of the present invention;
1. a polytetrafluoroethylene microporous filter membrane; 2. a mixed fiber layer; 3. a base cloth layer; 4. a bag body.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, more technical details of the present invention are described in detail with specific embodiments below.
Example 1
Referring to the attached drawings 1 and 2, the alkali-free bulked glass fiber filter bag comprises a bag body 4, wherein the bag body 4 is made of an alkali-free bulked glass fiber filter material, the alkali-free bulked glass fiber filter material comprises a base cloth layer 3 and mixed fiber layers 2 coated on two surfaces of the base cloth layer, the surface of the outer composite fiber layer is treated by a surface treatment agent and then is coated with a polyimide microporous membrane 1 through hot pressing, and the base cloth layer 3 is formed by interweaving and tangling warp yarns of alkali-free bulked glass fiber yarns and weft yarns of stainless steel fiber conductive yarns. The thickness of the base cloth layer 3 is 0.1 mm.
The composite fiber layer 2 is a mixed fiber of basalt fiber and martes fiber, and the mass ratio of the basalt fiber to the martes fiber is 2: 1. The thickness of the mixed fiber layer 2 was 30 nm.
The surface treating agent is prepared from the following raw materials in parts by weight: 0.1 part of surfactant, 0.3 part of silane coupling agent, 1 part of ethanol and the balance of water.
Example 2
Referring to the attached drawings 1 and 2, the alkali-free bulked glass fiber filter bag comprises a bag body 4, wherein the bag body 4 is made of an alkali-free bulked glass fiber filter material, the alkali-free bulked glass fiber filter material comprises a base cloth layer 3 and mixed fiber layers 2 coated on two surfaces of the base cloth layer, the surface of the outer composite fiber layer is treated by a surface treatment agent and then is coated with a polyimide microporous membrane 1 through hot pressing, and the base cloth layer 3 is formed by interweaving and tangling warp yarns of alkali-free bulked glass fiber yarns and weft yarns of stainless steel fiber conductive yarns. The thickness of the base cloth layer 3 is 0.3 mm.
The composite fiber layer 2 is a mixed fiber of basalt fiber and martes fiber, and the mass ratio of the basalt fiber to the martes fiber is 2: 1. The thickness of the mixed fiber layer 2 was 60 nm.
The surface treating agent is prepared from the following raw materials in parts by weight: 0.3 part of surfactant, 0.8 part of silane coupling agent, 3 parts of ethanol and the balance of water.
Example 3
Referring to the attached drawings 1 and 2, the alkali-free bulked glass fiber filter bag comprises a bag body 4, wherein the bag body 4 is made of an alkali-free bulked glass fiber filter material, the alkali-free bulked glass fiber filter material comprises a base cloth layer 3 and mixed fiber layers 2 coated on two surfaces of the base cloth layer, the surface of the outer composite fiber layer is treated by a surface treatment agent and then is coated with a polyimide microporous membrane 1 through hot pressing, and the base cloth layer 3 is formed by interweaving and tangling warp yarns of alkali-free bulked glass fiber yarns and weft yarns of stainless steel fiber conductive yarns. The thickness of the base cloth layer 3 is 0.2 mm.
The composite fiber layer 2 is a mixed fiber of basalt fiber and martes fiber, and the mass ratio of the basalt fiber to the martes fiber is 2: 1. The thickness of the mixed fiber layer 2 was 40 nm.
The surface treating agent is prepared from the following raw materials in parts by weight: 0.2 part of surfactant, 0.5 part of silane coupling agent, 2 parts of ethanol and the balance of water.
The needled felt of the utility model can endure the waste gas environment with pH of 2-11, and the service temperature can reach 300 ℃; the micro-dust capturing effect is good, the capturing rate of PM2.5 in industrial dust can reach more than 99%, and haze can be effectively prevented; the continuous working temperature is 230 ℃ and 260 ℃, the warp strength is more than or equal to 2100N/5 x 20cm, the weft strength is more than or equal to 2000N/5 x 20cm, the warp elongation at break is less than or equal to 10%, the weft elongation at break is less than or equal to 10%, and the air permeability is 15-20m3/m2Min, the service life can reach 7 years.
Compared with the prior art, the utility model discloses an alkali-free bulked glass fiber filter bag has high temperature resistant, corrosion-resistant, refuse water, resistant oil, dimensionally stable, the extension shrinkage factor is minimum, and the advantage that intensity is high has excellent, lasting antistatic behavior simultaneously, and the resistivity is low, can disperse the static charge that the dust produced effectively, eliminates the influence of static, reduces because of potential safety hazards such as blasting nature dust explosion that electrostatic shock or spark discharge caused, but wide application in the micronic dust filters.
Although the present invention has been described with reference to particular embodiments, such description is not intended to be construed in a limiting sense. Other variations of the disclosed embodiments, as would be appreciated by those skilled in the art, are contemplated by reference to the description of the invention and are intended to be within the scope of the following claims.
Claims (5)
1. The alkali-free bulked glass fiber filter bag comprises a bag body and is characterized in that the bag body is made of an alkali-free bulked glass fiber filter material, the alkali-free bulked glass fiber filter material comprises a base cloth layer and mixed fiber layers coated on two surfaces of the base cloth layer, the surface of the outer composite fiber layer is treated by a surface treatment agent and then is coated with a polyimide microporous membrane through hot pressing, and the base cloth layer is formed by interweaving and tangling warp yarns which are alkali-free glass fiber bulked yarns and weft yarns which are stainless steel fiber conductive yarns.
2. The alkali-free bulked glass fiber filter bag of claim 1, wherein said composite fiber layer is a mixed fiber of basalt fiber and mayas fiber.
3. The alkali-free bulked glass fiber filter bag of claim 2, wherein a mass ratio of said basalt fiber to said martens fiber is 2: 1.
4. The alkali-free bulked glass fiber filter bag of claim 1, wherein said mixed fiber layer has a thickness of 30-60 nm.
5. The alkali-free bulked glass fiber filter bag of claim 1, wherein said base fabric layer has a thickness of 0.1-0.3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920155107.1U CN210699193U (en) | 2019-01-29 | 2019-01-29 | Alkali-free bulked glass fiber filter bag |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920155107.1U CN210699193U (en) | 2019-01-29 | 2019-01-29 | Alkali-free bulked glass fiber filter bag |
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| CN210699193U true CN210699193U (en) | 2020-06-09 |
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| CN201920155107.1U Active CN210699193U (en) | 2019-01-29 | 2019-01-29 | Alkali-free bulked glass fiber filter bag |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115300995A (en) * | 2021-05-08 | 2022-11-08 | 江苏喜洋洋环保设备科技有限公司 | Preparation method for improving strength and flexibility of alkali-free glass fiber filter material |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115300995A (en) * | 2021-05-08 | 2022-11-08 | 江苏喜洋洋环保设备科技有限公司 | Preparation method for improving strength and flexibility of alkali-free glass fiber filter material |
| CN115300995B (en) * | 2021-05-08 | 2023-06-30 | 江苏喜洋洋环保设备科技有限公司 | Preparation method for improving strength and flexibility of alkali-free glass fiber filter material |
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