Multilayer wear-resistant environment-friendly filter bag

By designing a multi-layered wear-resistant structure, the problem of insufficient wear resistance and high temperature resistance of environmentally friendly filter bags is solved, enabling the filter bags to be used for a long time in high temperature, high pressure and strong corrosion environments.

CN223464567UActive Publication Date: 2025-10-24JIANGSU QINGHU IND CO LTD
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Patent Information

Application Number
CN202422620432.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-29
Publication Date
2025-10-24
Estimated Expiration
2034-10-29

AI Technical Summary

Technical Problem

Existing environmentally friendly filter bags have low wear resistance and high temperature resistance, resulting in a shortened service life and preventing their widespread application in dust collectors.

Method used

It adopts a multi-layer wear-resistant structure, including a first wear-resistant layer, a second wear-resistant layer, a base layer, a third wear-resistant layer, and a fourth wear-resistant layer, which are respectively composed of synthetic fiber filter cloth, metal mesh filter cloth, polytetrafluoroethylene, acrylic filter bag, polyesterimide, polyethersulfone, polypropylene, nylon, polyester and aromatic polyamide fiber filter media, and flax fiber. The wear resistance and high temperature resistance are improved by interlacing and fixing.

Benefits of technology

It significantly improves the wear resistance and high temperature resistance of environmentally friendly filter bags, extends their service life, and is suitable for extreme environments such as high temperature, high pressure, and strong corrosion.

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Abstract

The utility model discloses a multilayer wear-resistant environmental protection filter bag, including environmental protection filter bag body and support ring frame, the support ring frame is provided at the top of environmental protection filter bag body, environmental protection filter bag body includes first wear-resistant layer, second wear-resistant layer, base layer, third wear-resistant layer and fourth wear-resistant layer, second wear-resistant layer is provided on the surface of base layer, third wear-resistant layer is provided on the surface of base layer, and fourth wear-resistant layer is provided on the surface of base layer. The first wear-resistant layer is arranged on the surface of the second wear-resistant layer, the third wear-resistant layer is arranged on the inner surface of the base layer, the fourth wear-resistant layer is arranged on the inner surface of the third wear-resistant layer, and the first wear-resistant layer comprises synthetic fiber filter cloth, metal net filter cloth and polytetrafluoroethylene. The multi-layer wear-resistant environment-friendly filter bag provided by the utility model has the advantages of good wear-resistant effect and high high-temperature-resistant coefficient, and solves the problems that the environment-friendly filter bag in the prior art is low in wear-resistant coefficient, so that the service life is shortened during use, and the environment-friendly filter bag is low in high-temperature-resistant coefficient and cannot be widely applied to dust removers.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of environmental protection filter bag, concretely relates to multilayer wear -resisting type environmental protection filter bag. BACKGROUND

[0002] The filter bag has excellent chemical property stability and heat resistance, is the highest performance representative applied to the filter material industry, is the highest end variety among all commonly used filter materials, reaches a higher level in filtration efficiency and filtration precision, and the filter bag is a key part in the operation process of the bag type dust collector, the cylindrical filter bag is vertically hung in the dust collector, and the fabric and design of the filter bag should pursue high efficiency filtration, easy dust peeling and long service life as much as possible.

[0003] The environmental protection filter bag of the prior art has low wear resistance, which reduces the service life during use, and has low high temperature resistance, so it cannot be widely applied to the dust collector, therefore, the multilayer wear -resisting type environmental protection filter bag is needed to overcome the above defects. UTILITY MODEL CONTENTS

[0004] The utility model discloses a multilayer wear -resisting type environmental protection filter bag, has the advantages that the wear resistance is good and the high temperature resistance is high, to solve the problem in the above -mentioned background art.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: multilayer wear -resisting type environmental protection filter bag, including environmental protection filter bag body and support ring frame, the support ring frame sets up at the top of environmental protection filter bag body, the environmental protection filter bag body includes first wear -resisting layer, second wear -resisting layer, base layer, third wear -resisting layer and fourth wear -resisting layer, the second wear -resisting layer sets up at the surface of base layer, the first wear -resisting layer sets up at the surface of second wear -resisting layer, the third wear -resisting layer sets up at the inner surface of base layer, the fourth wear -resisting layer sets up at the inner surface of third wear -resisting layer, the first wear -resisting layer includes synthetic fiber filter cloth, metal mesh filter cloth and polytetrafluoroethylene, the second wear -resisting layer includes acrylic cloth bag and polyester imine, the third wear -resisting layer includes polyether sulfone, polypropylene and nylon, the fourth wear -resisting layer includes polyester, aromatic polyamide fiber filter material and flax fiber.

[0006] Further, the synthetic fiber filter cloth is arranged on the surface of the metal mesh filter cloth, and the polytetrafluoroethylene is arranged on the inner surface of the metal mesh filter cloth.

[0007] Further, the acrylic cloth bag is arranged on the surface of the polyester imine, and the thickness of the acrylic cloth bag is greater than the thickness of the polyester imine.

[0008] Further, the polypropylene is arranged on the surface of the polyether sulfone, and the nylon is arranged on the surface of the polypropylene.

[0009] Further, the flax fibers are arranged on the surface of the aramid fiber filter material, and the polyester is arranged on the inner surface of the aramid fiber filter material.

[0010] Further, the top of the first wear-resistant layer is fixedly connected with the bottom of the support ring frame, and the thickness of the first wear-resistant layer is greater than the thickness of the second wear-resistant layer.

[0011] Further, the inner surface of the polytetrafluoroethylene is interwoven with the surface of the acrylic cloth bag, the inner surface of the polyester imine is interwoven with the surface of the base layer, the inner surface of the base layer is interwoven with the surface of the nylon, and the inner surface of the polyether sulfone is interwoven with the surface of the flax fiber.

[0012] In summary, due to the adoption of the above-mentioned technology, the beneficial effects of the present application are:

[0013] The first wear-resistant layer, the second wear-resistant layer, the base layer, the third wear-resistant layer and the fourth wear-resistant layer are arranged to increase the wear resistance coefficient of the environment-friendly filter bag body, and the high temperature resistance coefficient of the environment-friendly filter bag body is also increased, so that the service life of the environment-friendly filter bag body is increased, and the support ring frame is arranged to facilitate the fixation of the environment-friendly filter bag body. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a cross-sectional structure schematic view of the environment-friendly filter bag body of the present application;

[0015] Figure 2 It is a cross-sectional structure schematic view of the first wear-resistant layer of the present application;

[0016] Figure 3 It is a cross-sectional structure schematic view of the second wear-resistant layer of the present application;

[0017] Figure 4 It is a cross-sectional structure schematic view of the third wear-resistant layer of the present application;

[0018] Figure 5 It is a cross-sectional structure schematic view of the fourth wear-resistant layer of the present application.

[0019] In the figure: 1, environment-friendly filter bag body; 2, first wear-resistant layer; 21, synthetic fiber filter cloth; 22, metal mesh filter cloth; 23, polytetrafluoroethylene; 3, second wear-resistant layer; 31, acrylic cloth bag; 32, polyester imine; 4, base layer; 5, third wear-resistant layer; 51, polyether sulfone; 52, polypropylene; 53, nylon; 6, fourth wear-resistant layer; 61, polyester; 62, aramid fiber filter material; 63, flax fiber; 7, support ring frame. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings of the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] The present application provides a multi-layer wear-resistant environment-friendly filter bag as shown in Figures 1-5 The present application provides a multi-layer wear-resistant environment-friendly filter bag as shown in

[0022] More specifically, by setting the first wear-resistant layer 2, the second wear-resistant layer 3, the base layer 4, the third wear-resistant layer 5 and the fourth wear-resistant layer 6, the wear-resistant coefficient of the environment-friendly filter bag body 1 is increased, and the high-temperature-resistant coefficient of the environment-friendly filter bag body 1 is also increased, so that the service life of the environment-friendly filter bag body 1 is increased, and by setting the support ring frame 7, the environment-friendly filter bag body 1 is fixed conveniently.

[0023] In some embodiments, the synthetic fiber filter cloth 21 is arranged on the surface of the metal mesh filter cloth 22, and the polytetrafluoroethylene 23 is arranged on the inner surface of the metal mesh filter cloth 22. More specifically, by setting the synthetic fiber filter cloth 21, excellent wear resistance, corrosion resistance and anti-aging performance are obtained, which is suitable for harsh environments such as high temperature, high humidity, strong acid and strong alkali. By setting the metal mesh filter cloth 22, the metal mesh filter cloth 22 is woven by metal wires, has the characteristics of high strength, corrosion resistance and high temperature resistance, and is suitable for extreme environments such as high temperature, high pressure and strong corrosion.

[0024] In some embodiments, the acrylic cloth bag 31 is arranged on the surface of the polyester imine 32, and the thickness of the acrylic cloth bag 31 is greater than the thickness of the polyester imine 32, and more specifically, the polyester imine 32 is a high-temperature synthetic fiber material, which has excellent high-temperature resistance and can work stably at a temperature above 260 degrees Celsius for a long time. By arranging the acrylic cloth bag 31, it is suitable for dust filtration in high-temperature, low-acid, and low-alkali gas, and has good high-temperature resistance.

[0025] In some embodiments, the polypropylene 52 is arranged on the surface of the polyether sulfone 51, and the nylon 53 is arranged on the surface of the polypropylene 52, and more specifically, the polyether sulfone 51 has excellent heat resistance, chemical resistance, and mechanical strength, the polypropylene 52 has good wear resistance, high elastic recovery rate, good acid and alkali resistance, and good water resistance, and is an excellent thermoplastic fiber, and the nylon 53 has good wear resistance, oil resistance, chemical corrosion resistance, and high mechanical strength.

[0026] In some embodiments, the flax fiber 63 is arranged on the surface of the aromatic polyamide fiber filter material 62, and the polyester 61 is arranged on the inner surface of the aromatic polyamide fiber filter material 62, and more specifically, the flax fiber 63 has high strength and is not easy to tear or puncture, and the polyester 61 has good acid and alkali resistance and wear resistance, and is suitable for general dust filtration in industrial production.

[0027] In some embodiments, the top of the first wear-resistant layer 2 is fixedly connected with the bottom of the support ring frame 7, and the thickness of the first wear-resistant layer 2 is greater than the thickness of the second wear-resistant layer 3, and more specifically, the flax fiber 63 has excellent temperature resistance and can be used for a long time at 204 degrees Celsius, and has a transient temperature resistance of 240 degrees Celsius, and has good acid and alkali resistance and hydrolysis stability, and has a wide range of applications.

[0028] In some embodiments, the inner surface of the polytetrafluoroethylene 23 is interwoven with the surface of the acrylic cloth bag 31, the inner surface of the polyester imine 32 is interwoven with the surface of the base layer 4, the inner surface of the base layer 4 is interwoven with the surface of the nylon 53, and the inner surface of the polyether sulfone 51 is interwoven with the surface of the flax fiber 63, and more specifically, the polytetrafluoroethylene 23 has excellent thermal stability, chemical stability, insulation, lubricity, and water resistance, high-temperature resistance, a wide temperature range, corrosion resistance, and good self-lubricity.

[0029] Working principle:

[0030] Step one: by setting the first wear-resistant layer 2, the second wear-resistant layer 3, the base layer 4, the third wear-resistant layer 5 and the fourth wear-resistant layer 6, the wear-resistant coefficient of the environment-friendly filter bag body 1 is increased, and the high temperature resistant coefficient of the environment-friendly filter bag body 1 is increased, so that the service life of the environment-friendly filter bag body 1 is increased, the support ring frame 7 is arranged, the environment-friendly filter bag body 1 is fixed, the synthetic fiber filter cloth 21 has excellent wear resistance, corrosion resistance and anti-aging performance, is suitable for high temperature, high humidity, strong acid and strong alkali and other harsh environments, the metal mesh filter cloth 22 is woven by metal wires, has high strength, corrosion resistance, high temperature resistance and other characteristics, and is suitable for high temperature, high pressure, strong corrosion and other extreme environments;

[0031] Step two: by setting the polyester imine 32, which is a high temperature synthetic fiber material, has excellent high temperature resistance, can work stably at a temperature of 260 degrees Celsius or above, the acrylic cloth bag 31 is suitable for dust filtration in high temperature, low acid and low alkali gas, has good high temperature resistance, the polyether sulfone 51 has excellent heat resistance, chemical resistance and mechanical strength, the polypropylene 52 has good wear resistance, high elastic recovery rate, acid and alkali resistance, water resistance, and is an excellent thermoplastic fiber, the nylon 53 has good wear resistance, oil resistance, chemical corrosion resistance and high mechanical strength;

[0032] Step three: by setting the flax fiber 63, which has high strength and is not easy to tear or puncture, by setting the polyester 61, which has good acid and alkali resistance and wear resistance, is suitable for general dust filtration in industrial production, by setting the flax fiber 63, which has excellent temperature resistance, can be used at 204 degrees Celsius for a long time, has a transient temperature resistance of 240 degrees Celsius, and has good acid and alkali resistance and hydrolysis stability, and has a wide range of applications, by setting the polytetrafluoroethylene 23, which has excellent thermal stability, chemical stability, insulation, lubricity and water resistance, high temperature resistance, wide temperature range, corrosion resistance and good self-lubricity.

[0033] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

[0034] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to be used to limit the scope of the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meanings as commonly understood by one of ordinary skill in the art to which this application belongs. The singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise.

Claims

1. A multi-layered, wear-resistant, environmentally friendly filter bag, characterized in that: The invention discloses an environmental protection filter bag body (1) and a supporting ring frame (7) arranged on the top of the environmental protection filter bag body (1), the environmental protection filter bag body (1) comprises a first wear-resistant layer (2), a second wear-resistant layer (3), a base layer (4), a third wear-resistant layer (5) and a fourth wear-resistant layer (6), the second wear-resistant layer (3) is arranged on the surface of the base layer (4), the first wear-resistant layer (2) is arranged on the surface of the second wear-resistant layer (3), the third wear-resistant layer (5) is arranged on the inner surface of the base layer (4), the fourth wear-resistant layer (6) is arranged on the inner surface of the third wear-resistant layer (5), the first wear-resistant layer (2) comprises a synthetic fiber filter cloth (21), a metal mesh filter cloth (22) and polytetrafluoroethylene (23), the second wear-resistant layer (3) comprises an acrylic cloth bag (31) and a polyester imine (32), the third wear-resistant layer (5) comprises polyether sulfone (51), polypropylene (52) and nylon (53), and the fourth wear-resistant layer (6) comprises polyester (61), aromatic polyamide fiber filter material (62) and flax fiber (63).

2. The multi-layer, wear-resistant, environmentally friendly filter bag of claim 1, wherein: The synthetic fiber filter cloth (21) is arranged on the surface of the metal mesh filter cloth (22), and the polytetrafluoroethylene (23) is arranged on the inner surface of the metal mesh filter cloth (22).

3. The multi-layer, wear-resistant, environmentally friendly filter bag of claim 1, wherein: The acrylic cloth bag (31) is arranged on the surface of the polyester imine (32), and the thickness of the acrylic cloth bag (31) is greater than that of the polyester imine (32).

4. The multi-layer, wear-resistant, environmentally friendly filter bag of claim 1, wherein: The polypropylene (52) is arranged on the surface of the polyether sulfone (51), and the nylon (53) is arranged on the surface of the polypropylene (52).

5. The multi-layer, wear-resistant, environmentally friendly filter bag of claim 1, wherein: The flax fiber (63) is arranged on the surface of the aromatic polyamide fiber filter material (62), and the polyester (61) is arranged on the inner surface of the aromatic polyamide fiber filter material (62).

6. The multi-layer, wear-resistant, environmentally friendly filter bag of claim 1, wherein: The top of the first wear-resistant layer (2) is fixedly connected with the bottom of the supporting ring frame (7), and the thickness of the first wear-resistant layer (2) is greater than that of the second wear-resistant layer (3).

7. The multi-layer, wear-resistant, environmentally friendly filter bag of claim 1, wherein: The inner surface of the polytetrafluoroethylene (23) is interwoven with the surface of the acrylic cloth bag (31), the inner surface of the polyester imine (32) is interwoven with the surface of the base layer (4), the inner surface of the base layer (4) is interwoven with the surface of the nylon (53), and the inner surface of the polyether sulfone (51) is interwoven with the surface of the flax fiber (63).