CN217139607U - High-efficiency low-resistance composite dust removal material - Google Patents
High-efficiency low-resistance composite dust removal material Download PDFInfo
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- CN217139607U CN217139607U CN202122839834.XU CN202122839834U CN217139607U CN 217139607 U CN217139607 U CN 217139607U CN 202122839834 U CN202122839834 U CN 202122839834U CN 217139607 U CN217139607 U CN 217139607U
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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
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Abstract
The high-efficiency low-resistance composite dust removal material comprises a dust-facing filter layer, a transition layer, base cloth and a strength fiber layer from outside to inside, wherein the dust-facing filter layer is composed of superfine fibers, the diameter of the superfine fibers is 50-200nm, the transition layer is composed of a coarse fiber side and a mixed fiber side, the coarse fiber side is close to the dust-facing filter layer, the mixed fiber side is close to the base cloth, the strength fiber layer is located on the other side of the base cloth, and the transition layer, the base cloth and the strength fiber layer are combined through spunlace or needling. High-efficient low resistance composite dedusting material, compound superfine fiber and gradient substrate, the transition layer comprises coarse fibre, the aperture is big, the porosity is high, can reduce to cover and close the in-process air permeability loss, the transition layer adopts acupuncture or spunlace method to be passed through to the fine fibre by coarse fibre, can guarantee the intensity of dust removal filter material.
Description
Technical Field
The utility model belongs to the technical field of remove dust, especially, relate to a high-efficient low resistance composite dedusting material.
Background
In the industry of atmospheric dust removal, bag-type dust collectors have the characteristics of high filtering efficiency, stable operation and the like, and have become mainstream dust removal equipment, and dust removal materials are the core of the bag-type dust collectors and determine the operation resistance and the dust removal efficiency of the bag-type dust collectors. At present, the polytetrafluoroethylene membrane material is laminated on a base material through hot pressing or gluing, so that the loss of air permeability is large, the running resistance of the dust remover is large, and the running energy consumption is increased. The base material used at present is of a symmetrical structure, the base material fibers are fixed on two sides of the base fabric through a needle punching method or a water punching method, and the fiber parameters are the same.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the big problem of lamination air permeability loss, provide a compound dust removal material of high-efficient low resistance, compound superfine fiber on the substrate that has the gradient structure, can reduce composite resistance by a wide margin, reduce dust removal material running resistance.
The utility model discloses technical scheme: the high-efficiency low-resistance composite dust removal material comprises a dust-facing filter layer, a transition layer, base cloth and a strength fiber layer from outside to inside, wherein the dust-facing filter layer is composed of superfine fibers, the diameter of the superfine fibers is 50-200nm, the transition layer is composed of a coarse fiber side and a mixed fiber side, the coarse fiber side is close to the dust-facing filter layer, the mixed fiber side is close to the base cloth, the strength fiber layer is located on the other side of the base cloth, and the transition layer, the base cloth and the strength fiber layer are combined through spunlace or needling.
Furthermore, the dust-facing filter layer is formed by biaxially stretching the polytetrafluoroethylene membrane and the transition layer through hot-pressing and laminating.
Furthermore, the dust-facing filter layer is formed by combining the nanofiber with the transition layer through a needling or spunlace process.
Furthermore, the diameter of the coarse fiber of the filter layer is 1-3 μm, the mixed fiber side is formed by mixing the strength fiber and the coarse fiber, the proportion of the strength fiber is gradually increased from outside to inside, and the proportion of the innermost strength fiber is 100%.
Furthermore, the base fabric 3 is made of polytetrafluoroethylene woven fabric.
Furthermore, the fiber diameter of the strength fiber layer 4 is 500-1000nm, and the fiber material is one of polytetrafluoroethylene, polyphenylene sulfide, polyester or polyimide.
High-efficient low resistance composite dedusting material, compound superfine fiber and gradient substrate, the transition layer comprises coarse fibre, the aperture is big, the porosity is high, can reduce to cover and close the in-process air permeability loss, the transition layer adopts acupuncture or spunlace method to be passed through to the fine fibre by coarse fibre, can guarantee the intensity of dust removal filter material.
Drawings
Fig. 1 is a schematic diagram of the high-efficiency low-resistance composite dedusting material of the utility model.
In the figure, 1-dust-facing filter layer, 2-transition layer, 3-base cloth, 4-strength fiber layer, 201-coarse fiber side, 202-mixed fiber side.
Detailed Description
The present invention is further limited by the following examples and drawings, but should not be limited thereby.
Example 1
The high-efficiency low-resistance composite dedusting material comprises a dust-facing filter layer 1, a transition layer 2, a base cloth 3 and an intensity fiber layer 4 from outside to inside, wherein the dust-facing filter layer 1 is composed of superfine fibers, the diameter of each superfine fiber is 50nm, the transition layer is composed of a coarse fiber side 201 and a mixed fiber side 202, the coarse fiber side 201 is close to the dust-facing filter layer 1, the mixed fiber side 202 is close to the base cloth 3, the intensity fiber layer 4 is positioned on the other side of the base cloth, and the transition layer, the base cloth and the intensity fiber layer are combined through spunlacing or needling. The dust-facing filter layer 1 is a biaxially oriented polytetrafluoroethylene film and is formed by hot-pressing and laminating with the transition layer 2. The dust-facing filter layer 1 is formed by combining nano fibers with the transition layer 2 through a needle punching or spunlace process. The diameter of the coarse fiber of the filter layer 2 is 1 μm, the mixed fiber side 202 is formed by mixing the strength fiber and the coarse fiber, the ratio of the strength fiber is gradually increased from outside to inside, and the ratio of the innermost strength fiber is 100%. The base cloth 3 is made of polytetrafluoroethylene woven fabric. The fiber diameter of the strength fiber layer 4 is 500nm, and the fiber material is polytetrafluoroethylene.
By adopting the dust removal material prepared by the embodiment, the dust removal efficiency is more than 98%, the composite resistance is lower than 50Pa, the running resistance is 450Pa, the composite air permeability loss is less than 15%, and the composite strength is increased by 10%.
Example 2
A high-efficiency low-resistance composite dust removal material comprises a dust-facing filter layer 1, a transition layer 2, a base cloth 3 and a strength fiber layer 4 from outside to inside, wherein the dust-facing filter layer 1 is composed of superfine fibers, the diameter of each superfine fiber is 100nm, the transition layer is composed of a coarse fiber side 201 and a mixed fiber side 202, the coarse fiber side 201 is close to the dust-facing filter layer 1, the mixed fiber side 202 is close to the base cloth 3, the strength fiber layer 4 is located on the other side of the base cloth, and the transition layer, the base cloth and the strength fiber layer are combined through spunlacing or needling.
The dust-facing filter layer 1 is a biaxially oriented polytetrafluoroethylene film and is formed by hot-pressing and laminating with the transition layer 2.
The dust-facing filter layer 1 is formed by combining nano fibers with the transition layer 2 through a needle punching or spunlace process.
The diameter of the coarse fiber of the filter layer 2 is 2 μm, the mixed fiber side 202 is formed by mixing the strength fiber and the coarse fiber, the ratio of the strength fiber is gradually increased from outside to inside, and the ratio of the innermost strength fiber is 100%.
The base cloth 3 is made of polytetrafluoroethylene woven fabric.
The fiber diameter of the strength fiber layer 4 is 800nm, and the fiber material is polyimide or polyimide.
By adopting the dust removal material prepared by the embodiment, the dust removal efficiency is more than 99%, the composite resistance is lower than 65Pa, the running resistance is 410Pa, the composite air permeability loss is less than 10%, and the composite strength is increased by 15%.
Example 3
A high-efficiency low-resistance composite dust removal material comprises a dust-facing filter layer 1, a transition layer 2, a base cloth 3 and a strength fiber layer 4 from outside to inside, wherein the dust-facing filter layer 1 is composed of superfine fibers, the diameter of the superfine fibers is 200nm, the transition layer is composed of a coarse fiber side 201 and a mixed fiber side 202, the coarse fiber side 201 is close to the dust-facing filter layer 1, the mixed fiber side 202 is close to the base cloth 3, the strength fiber layer 4 is located on the other side of the base cloth, and the transition layer, the base cloth and the strength fiber layer are combined through spunlacing or needling.
The dust-facing filter layer 1 is a biaxially oriented polytetrafluoroethylene film and is formed by hot-pressing and laminating with the transition layer 2.
The dust-facing filter layer 1 is formed by combining nano fibers with the transition layer 2 through a needle punching or spunlace process.
The diameter of the coarse fiber of the filter layer 2 is 3 μm, the mixed fiber side 202 is formed by mixing the strength fiber and the coarse fiber, the ratio of the strength fiber is gradually increased from outside to inside, and the ratio of the innermost strength fiber is 100%.
The base cloth 3 is made of polytetrafluoroethylene woven fabric.
The fiber diameter of the strength fiber layer 4 is 1000nm, and the fiber material is polyphenylene sulfide.
By adopting the dust removal material prepared by the embodiment, the dust removal efficiency is higher than 96%, the composite resistance is lower than 40Pa, the running resistance is 350Pa, the composite air permeability loss is less than 8%, and the composite strength is increased by 20%.
Claims (9)
1. The high-efficiency low-resistance composite dust removal material is characterized by comprising a dust-facing filter layer (1), a transition layer (2), base cloth (3) and a strength fiber layer (4) from outside to inside, wherein the transition layer is composed of a coarse fiber side (201) and a mixed fiber side (202), the coarse fiber side (201) is close to the dust-facing filter layer (1), and the mixed fiber side (202) is close to the base cloth (3).
2. The high-efficiency low-resistance composite dedusting material according to claim 1, characterized in that the transition layer (2), the base fabric (3) and the strength fiber layer (4) are formed by combining through water jet punching or needle punching.
3. The high-efficiency low-resistance composite dust removal material as claimed in claim 1, wherein the dust-facing filter layer (1) is made of superfine fibers, and the diameter of the superfine fibers is 50-200 nm.
4. The high-efficiency low-resistance composite dust removal material as claimed in claim 3, wherein the dust-facing filter layer (1) is a biaxially oriented polytetrafluoroethylene film, and is formed by hot-pressing and laminating with the transition layer (2).
5. The high-efficiency low-resistance composite dust removal material as claimed in claim 3, wherein the dust-facing filter layer (1) is made of nanofibers and is combined with the transition layer (2) through a needling or spunlace process.
6. The high-efficiency low-resistance composite dedusting material according to claim 1, characterized in that the transition layer (2) is made of coarse fibers, and the diameter of the coarse fibers is 1-3 μm.
7. The high-efficiency low-resistance composite dedusting material according to the claim 1, characterized in that the mixed fiber side (202) is formed by mixing the strength fiber and the coarse fiber, the proportion of the strength fiber is gradually increased from outside to inside, and the proportion of the innermost strength fiber is 100%.
8. The high-efficiency low-resistance composite dedusting material according to the claim 1, characterized in that the base cloth (3) is polytetrafluoroethylene woven cloth.
9. The high-efficiency low-resistance composite dedusting material as set forth in claim 1, wherein the fiber diameter of the strength fiber layer (4) is 500-1000nm, and the fiber material is one of polytetrafluoroethylene, polyphenylene sulfide, polyester, or polyimide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122839834.XU CN217139607U (en) | 2021-11-18 | 2021-11-18 | High-efficiency low-resistance composite dust removal material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122839834.XU CN217139607U (en) | 2021-11-18 | 2021-11-18 | High-efficiency low-resistance composite dust removal material |
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| Publication Number | Publication Date |
|---|---|
| CN217139607U true CN217139607U (en) | 2022-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122839834.XU Active CN217139607U (en) | 2021-11-18 | 2021-11-18 | High-efficiency low-resistance composite dust removal material |
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| CN (1) | CN217139607U (en) |
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2021
- 2021-11-18 CN CN202122839834.XU patent/CN217139607U/en active Active
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