Electrostatic filter cotton

Abstract

The utility model discloses electrostatic filter cotton, and relates to the technical field of electrostatic filter cotton. Comprising a filter cotton body, the upper surface of the filter cotton body is fixedly connected with the lower surface of a polypropylene fiber upper layer, the lower surface of the filter cotton body is fixedly connected with the upper surface of a polypropylene fiber lower layer, and the side, away from the filter cotton body, of the surface of the polypropylene fiber upper layer is fixedly connected with the lower surface of a hot melt adhesive silk layer. The side, away from the polypropylene fiber upper layer, of the surface of the hot melt adhesive silk layer is fixedly connected with the lower surface of a composite filtering layer, and the side, away from the hot melt adhesive silk layer, of the surface of the composite filtering layer is fixedly connected with the lower surface of a waterproof breathable film layer. One side, far away from the filter cotton body, of the surface of the polypropylene fiber lower layer is fixedly connected with the upper surface of anti-static fiber filter cloth, and one side, far away from the polypropylene fiber lower layer, of the surface of the anti-static fiber filter cloth is fixedly connected with the upper surface of a non-woven fabric layer.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrostatic filter cotton technical field, concretely is a kind of electrostatic filter cotton. BACKGROUND

[0002] Electrostatic filter cotton is a kind of filter material using electrostatic adsorption to remove small particulate matter in air.

[0003] Chinese utility model patent CN220071011U discloses a kind of composite electrostatic filter cotton, including composite filter layer, the composite filter layer includes filter cotton, the positive and negative two sides of the filter cotton are provided with the binding layer for shaping, the side of the binding layer away from filter cotton is equipped with the gauze layer for solid surface, the side of the composite filter layer is equipped with the limiting strip for edge. The utility model, by the cooperation between the binding layer, gauze layer, limiting strip and melt pressure strip on filter cotton, the binding layer and gauze layer are preliminary fixed and shaped to the filter surface of filter cotton, secondly, the filter cotton is secondly shaped by melt pressure strip, and the binding layer and gauze layer are prevented from being dislocated, finally, the side of filter cotton is positioned and edge sealed by limiting strip, thereby preventing the adhesion effect between filter cotton and other material layers from being easily ineffective or weakened after a long time, so that the filter cotton and other material layers are lost and loose, and the problems of reduced and weakened filtration effect occur.

[0004] However, the above-mentioned filter cotton can improve the electrostatic filtration effect, but the surface structure of the filter cotton is relatively loose, and when filtering dust in the air, larger particles will directly enter the inside of the filter cotton. When the wind speed is large or the dust accumulation is more, it is easy to fall off and cause secondary pollution. UTILITY MODEL CONTENTS

[0005] The utility model provides a kind of electrostatic filter cotton to solve the problems in the background art.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: A static electricity filter cotton, including filter cotton body, the upper surface of filter cotton body is fixedly connected with the lower surface of polypropylene fiber upper layer, the lower surface of filter cotton body is fixedly connected with the upper surface of polypropylene fiber lower layer, the surface of polypropylene fiber upper layer and the lower surface of hot melt glue silk layer fixedly connected with the side away from filter cotton body, the surface of hot melt glue silk layer and the lower surface of composite filter layer fixedly connected with the side away from polypropylene fiber upper layer, the surface of composite filter layer and the lower surface of waterproof and breathable membrane layer fixedly connected with the side away from hot melt glue silk layer, the surface of polypropylene fiber lower layer and the upper surface of antistatic fiber filter cloth fixedly connected with the side away from filter cotton body, the surface of antistatic fiber filter cloth and the upper surface of non - woven fabric layer fixedly connected with the side away from polypropylene fiber lower layer, the surface of non - woven fabric layer and the upper surface of activated carbon fiber layer fixedly connected with the side away from antistatic fiber filter cloth.

[0007] Further, the surface of the waterproof and breathable membrane layer is provided with a needle punching filter hole, and the needle punching filter hole penetrates the waterproof and breathable membrane layer, the composite filter layer, the hot melt glue silk layer and the polypropylene fiber upper layer and extends to the inside of the filter cotton body.

[0008] Further, the surface of the waterproof and breathable membrane layer and the lower surface of the melt pressure strip are fixedly connected with the side away from the composite filter layer, and the waterproof and breathable membrane layer is provided with a limiting strip on the front and back sides.

[0009] Further, the surface of the activated carbon fiber layer and the upper surface of the nanofiber layer are fixedly connected with the side away from the non-woven fabric layer.

[0010] Further, the surface of the nanofiber layer and the upper surface of the binding layer are fixedly connected with the side away from the activated carbon fiber layer.

[0011] Further, the polypropylene fiber lower layer and the antistatic fiber filter cloth are provided with an identification area on the front surface.

[0012] Compared with the prior art, the utility model provides a static electricity filter cotton, which has the following beneficial effects:

[0013] The electrostatic filter cotton is provided with a polypropylene fiber upper layer, a polypropylene fiber lower layer, a hot melt glue filament layer, a waterproof and breathable film layer, an activated carbon fiber layer, a nanofiber layer and a marking area, the polypropylene fiber upper layer, the polypropylene fiber lower layer and the activated carbon fiber layer can filter air, the activated carbon fiber layer is made of activated carbon viscose fiber, the activated carbon fiber layer made of activated carbon viscose fiber can filter air, in addition, the activated carbon viscose fiber can effectively prevent activated carbon particles from falling off, thus prolonging the filtering effect of the electrostatic filter cotton, the hot melt glue filament layer can make dust accumulate on the side covered by the hot melt glue filament while maintaining the filtering effect of the electrostatic filter cotton, when particles in external air contact the surface, larger particles or fibrous pollutants are directly intercepted on the surface to form a filter cake, further improving the interception efficiency of dust and reducing the penetration rate of dust, the waterproof and breathable film layer is a high molecular compound formed by polymerization of tetrafluoroethylene, the waterproof and breathable film layer can prevent water from penetrating, thus playing a waterproof role, the nanofiber layer can play an antibacterial role, and the marking area is printed with a prompt slogan, such as: this side faces up or down, the electrostatic filter cotton is subjected to shaping treatment, inspection, slitting, edge cutting, winding and finally packaging into a finished product. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a structural schematic diagram of the utility model;

[0015] Fig. 2 It is a front view structural schematic diagram of the utility model;

[0016] Fig. 3 It is a sectional view enlarged structural schematic diagram of the utility model.

[0017] In the drawing: 1, filter cotton body; 101, polypropylene fiber upper layer; 102, polypropylene fiber lower layer; 2, hot melt glue filament layer; 201, composite filter layer; 202, waterproof and breathable film layer; 203, needle punching filter hole; 204, melt pressure strip; 205, limiting strip; 3, anti-static fiber filter cloth; 301, non-woven fabric layer; 302, activated carbon fiber layer; 303, nanofiber layer; 304, binding layer; 4, marking area. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0019] Please refer to Figs. 1-3The utility model discloses a kind of electrostatic filtration cotton, including filter cotton body 1, the upper surface of filter cotton body 1 is fixedly connected with the lower surface of polypropylene fiber upper layer 101, the lower surface of filter cotton body 1 is fixedly connected with the upper surface of polypropylene fiber lower layer 102, the surface of polypropylene fiber upper layer 101 and the side away from filter cotton body 1 is fixedly connected with the lower surface of hot melt adhesive filament layer 2, the surface of hot melt adhesive filament layer 2 and the side away from polypropylene fiber upper layer 101 is fixedly connected with the lower surface of composite filter layer 201, the surface of composite filter layer 201 and the side away from hot melt adhesive filament layer 2 is fixedly connected with the lower surface of waterproof and breathable membrane layer 202, the surface of polypropylene fiber lower layer 102 and the side away from filter cotton body 1 is fixedly connected with the upper surface of antistatic fiber filter cloth 3, the surface of antistatic fiber filter cloth 3 and the side away from polypropylene fiber lower layer 102 is fixedly connected with the upper surface of non-woven fabric layer 301, the surface of non-woven fabric layer 301 and the side away from antistatic fiber filter cloth 3 is fixedly connected with the upper surface of activated carbon fiber layer 302.

[0020] Specifically, the surface of the waterproof and breathable membrane layer 202 is provided with a needle punching filter hole 203, and the needle punching filter hole 203 penetrates the waterproof and breathable membrane layer 202, the composite filter layer 201, the hot melt adhesive filament layer 2 and the polypropylene fiber upper layer 101 and extends to the inside of the filter cotton body 1.

[0021] In the embodiment, by setting the waterproof and breathable membrane layer 202 and the needle punching filter hole 203, the waterproof and breathable membrane layer 202 is a high molecular compound polymerized from tetrafluoroethylene, which can prevent water penetration and thus play a waterproof role. The needle punching filter hole 203 can increase the attachment area on the waterproof and breathable membrane layer 202, thereby enhancing the filtering effect and having strong practicability, which facilitates the use of users.

[0022] Specifically, the surface of the waterproof and breathable membrane layer 202 and the side away from the composite filter layer 201 is fixedly connected with the lower surface of a melt pressure strip 204, and the front and back sides of the waterproof and breathable membrane layer 202 are both fixedly provided with a limiting strip 205.

[0023] In the embodiment, by setting the melt pressure strip 204 and the limiting strip 205, the filter cotton body 1 is subjected to secondary shaping by the melt pressure strip 204, which also prevents the dislocation of the binding layer 304. Finally, the side edges of the filter cotton body 1 are positioned and edge-sealed by the limiting strip 205, thereby preventing the adhesion effect between the filter cotton body 1 and other material layers from being easily invalidated or weakened after a long time, causing the filter cotton body 1 and other material layers to be detached and loose, and the filtering effect to be reduced and weakened. The embodiment has strong practicability, which facilitates the use of users.

[0024] Specifically, the surface of the active carbon fiber layer 302 and the side away from the non-woven fabric layer 301 are fixedly connected with the upper surface of the nanofiber layer 303.

[0025] In the embodiment, the active carbon fiber layer 302 is made of active carbon viscose fiber, the active carbon fiber layer 302 made of active carbon viscose fiber can filter gas, in addition, the active carbon viscose fiber can effectively prevent the shedding of active carbon particles, thus prolonging the filtering effect of the electrostatic filter cotton, and the nanofiber layer 303 can play an antibacterial role.

[0026] Specifically, the surface of the nanofiber layer 303 and the side away from the active carbon fiber layer 302 are fixedly connected with the upper surface of the binding layer 304.

[0027] In the embodiment, the binding layer 304 can prevent film layer misplacement, improve the service life of the filter cotton, has strong practicability, and facilitates the use of users.

[0028] Specifically, the polypropylene fiber lower layer 102 and the front surface of the anti-static fiber filter cloth 3 are fixedly provided with an identification area 4.

[0029] In the embodiment, the identification area 4 is provided with prompt slogans, such as this side up or down, the electrostatic filter cotton is subjected to shaping treatment, inspection, slitting, edge cutting, winding and finally packaged into finished products.

[0030] In use, by setting the polypropylene fiber upper layer 101, the polypropylene fiber lower layer 102, the hot melt glue filament layer 2, the waterproof and breathable film layer 202, the activated carbon fiber layer 302, the nanofiber layer 303 and the identification area 4, the polypropylene fiber upper layer 101, the polypropylene fiber lower layer 102 and the activated carbon fiber layer 302 can play a role in filtering air, wherein the activated carbon fiber layer 302 is made of activated carbon viscose fiber, and the activated carbon fiber layer 302 made of activated carbon viscose fiber can filter gas, in addition, the activated carbon viscose fiber can effectively prevent the shedding of activated carbon particles, thus prolonging the filtering effect of the electrostatic filter cotton, the hot melt glue filament layer 2 can make dust accumulate on the side covered by the hot melt glue filament while maintaining the filtering effect of the electrostatic filter cotton, when the particulate matter in the external air contacts the surface, the larger particle size or fibrous pollutants are directly intercepted on the surface to form a filter cake, further improving the interception efficiency of the dust and reducing the dust penetration rate, the waterproof and breathable film layer 202 is a high molecular compound formed by polymerization of tetrafluoroethylene, the waterproof and breathable film layer 202 can prevent water from penetrating, thereby playing a waterproof role, the nanofiber layer 303 can play an antibacterial role, and the identification area 4 is printed with a prompt slogan, such as: this side up or down, this electrostatic filter cotton is subjected to shaping treatment, inspection, slitting, edge cutting, winding and finally packaged into a finished product.

[0031] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An electrostatic filter cotton comprising a filter cotton body (1), characterized in that: The upper surface of the filter cotton body (1) is fixedly connected with the lower surface of the polypropylene fiber upper layer (101), the lower surface of the filter cotton body (1) is fixedly connected with the upper surface of the polypropylene fiber lower layer (102), one side of the surface of the polypropylene fiber upper layer (101) and away from the filter cotton body (1) is fixedly connected with the lower surface of the hot melt glue filament layer (2), one side of the surface of the hot melt glue filament layer (2) and away from the polypropylene fiber upper layer (101) is fixedly connected with the lower surface of the composite filter layer (201), one side of the surface of the composite filter layer (201) and away from the hot melt glue filament layer (2) is fixedly connected with the lower surface of the waterproof and breathable film layer (202), one side of the surface of the polypropylene fiber lower layer (102) and away from the filter cotton body (1) is fixedly connected with the upper surface of the anti-static fiber filter cloth (3), one side of the surface of the anti-static fiber filter cloth (3) and away from the polypropylene fiber lower layer (102) is fixedly connected with the upper surface of the non-woven fabric layer (301), one side of the surface of the non-woven fabric layer (301) and away from the anti-static fiber filter cloth (3) is fixedly connected with the upper surface of the activated carbon fiber layer (302).

2. The electrostatic filter cotton according to claim 1, characterized in that: The waterproof and breathable film layer (202) is provided with a needle punching filter hole (203) on the surface, and the needle punching filter hole (203) penetrates the waterproof and breathable film layer (202), the composite filter layer (201), the hot melt glue filament layer (2) and the polypropylene fiber upper layer (101) and extends to the inside of the filter cotton body (1).

3. The electrostatic filter cotton according to claim 1, characterized in that: One side of the surface of the waterproof and breathable film layer (202) and away from the composite filter layer (201) is fixedly connected with the lower surface of the melt pressure strip (204), and the front and back sides of the waterproof and breathable film layer (202) are fixedly provided with limiting strips (205).

4. The electrostatic filter cotton according to claim 1, wherein: One side of the surface of the activated carbon fiber layer (302) and away from the non-woven fabric layer (301) is fixedly connected with the upper surface of the nanofiber layer (303).

5. The electrostatic filter cotton according to claim 4, characterized in that: One side of the surface of the nanofiber layer (303) and away from the activated carbon fiber layer (302) is fixedly connected with the upper surface of the binding layer (304).

6. The electrostatic filter cotton according to claim 1, wherein: The polypropylene fiber lower layer (102) and the anti-static fiber filter cloth (3) are fixedly provided with an identification area (4) on the front surface.

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