Multilayer antibacterial efficient filtering non-woven fabric

Abstract

The utility model discloses a multi-layer antibacterial high-efficiency filtering non-woven fabric which comprises a non-woven fabric body, and the body comprises a coarse filtering layer, a medium-efficiency filtering layer and a fine filtering layer which are arranged in sequence; the tensile layers are fixedly connected to the front and back surfaces of the body, and the tensile layers are metal net layers; the antibacterial layer, the coarse filtering layer, the medium-efficiency filtering layer and the fine filtering layer are arranged in a staggered manner. According to the non-woven fabric, a multi-layer non-woven fabric overlapping mode is adopted, impurities of different particle sizes are filtered in a classified mode, and the filtering effect of the non-woven fabric is improved; the tensile layer can improve the strength of the non-woven fabric and reduce the tensile degree of the non-woven fabric under pressure, so that the change of the aperture of the non-woven fabric is reduced, and the filtering effect of the non-woven fabric is kept; by arranging the antibacterial layer, growth and reproduction of bacteria can be inhibited, the cleanliness of the non-woven fabric is improved, and then the filtering effect of the non-woven fabric is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to non - woven fabric technical field especially, it relates to a multilayer antibacterial high -efficient filtration non - woven fabric. BACKGROUND

[0002] Non - woven fabric is also called non - woven fabric, non - woven fabric, it is a new type of fiber product which is made of directional or random fiber. As filter material, non - woven fabric has the advantages of high filtration precision, good air permeability, low cost, high strength, easy processing and strong customization, and is widely used.

[0003] The tensile strength of part of the existing non - woven fabric is low, when being used as filter material, it is easy to be stretched under external pressure, which leads to the increase of the pore size of the non - woven fabric, thereby affecting the filtration effect of the non - woven fabric.

[0004] Therefore, it is necessary to improve the non - woven fabric in the prior art. UTILITY MODEL CONTENT

[0005] The utility model aims at overcoming the defects in the prior art, and provides a multilayer antibacterial high -efficient filtration non - woven fabric, which improves the filtration effect of the non - woven fabric.

[0006] In order to achieve the above -mentioned purpose, the specific technical scheme of the multilayer antibacterial high -efficient filtration non - woven fabric of the utility model is as follows:

[0007] A multilayer antibacterial high -efficient filtration non - woven fabric, comprising:

[0008] The body of the non - woven fabric comprises a coarse filter layer, a medium -efficient filter layer and a fine filter layer arranged in sequence;

[0009] The anti -stretching layer is fixedly connected to the front and back surfaces of the body, and the anti -stretching layer is a metal mesh layer;

[0010] The antibacterial layer is staggered with the coarse filter layer, the medium -efficient filter layer and the fine filter layer.

[0011] Preferably, the body is further provided with a press -fitting part, and the press -fitting part has a dense structure formed by hot pressing along the thickness direction of the body.

[0012] Preferably, the press -fitting part is distributed on the main body in a grid shape.

[0013] Preferably, the fiber diameter of the coarse filter layer is 20-40 microns.

[0014] Preferably, the fiber diameter of the medium -efficient filter layer is 10-20 microns.

[0015] Preferably, the fiber diameter of the fine filter layer is 1-10 microns.

[0016] Preferably, the anti-stretch layer is fixed by stitching with the pressing part through a stitching line, and the stitching direction of the anti-stretch layer and the pressing part is consistent with the extension direction of the pressing part.

[0017] Preferably, the anti-bacterial layer is an anti-bacterial fiber layer, and the diameter of the anti-bacterial fiber is 50-88 microns.

[0018] Preferably, the anti-bacterial layer is provided with static electricity.

[0019] The multi-layer anti-bacterial high-efficiency filtering non-woven fabric has the following advantages:

[0020] 1. The multi-layer non-woven fabric is stacked to realize the graded filtering of different particle size impurities, and the filtering effect of the non-woven fabric is improved.

[0021] 2. The anti-stretch layer can improve the strength of the non-woven fabric, reduce the stretching degree of the non-woven fabric under pressure, thereby reducing the change of the pore size of the non-woven fabric, and maintaining the filtering effect of the non-woven fabric.

[0022] 3. The setting of the anti-bacterial layer can inhibit the growth and reproduction of bacteria, improve the cleanliness of the non-woven fabric, and further improve the filtering effect of the non-woven fabric. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a structure schematic view of the non-woven fabric of the utility model;

[0024] Figure 2 It is an installation structure schematic view of the anti-stretch layer of the utility model;

[0025] Figure 3 It is Figure 2 the enlarged view of A part of the utility model;

[0026] Marked in the figure: 1, the body; 2, anti-stretch layer; 3, stitching line; 101, coarse filter layer; 102, medium-efficiency filter layer; 103, fine filter layer; 104, anti-bacterial layer; 105, pressing part. DETAILED DESCRIPTION

[0027] The specific implementation of the utility model is further described below in combination with the drawings and examples. The following examples are only used to more clearly illustrate the technical scheme of the utility model, and cannot limit the protection scope of the utility model.

[0028] "Top surface" "bottom" "bottom surface" is used as the reference of the normal use state of the non-woven fabric, only for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the device or element indicated must have a specific orientation, a specific orientation structure and operation, therefore, it cannot be understood as the limitation of the utility model.

[0029] For example, Figure 1As shown, a multi-layer antibacterial high-efficiency filter nonwoven fabric includes:

[0030] The nonwoven fabric body 1 includes a coarse filter layer 101, a medium-efficiency filter layer 102 and a fine filter layer 103 arranged sequentially.

[0031] Tensile layer 2 is fixedly connected to both sides of the main body 1, and tensile layer 2 is a metal mesh layer;

[0032] The antibacterial layer 104 is alternately arranged with the coarse filter layer 101, the medium-efficiency filter layer 102 and the fine filter layer 103.

[0033] The aforementioned nonwoven fabric is suitable for filtering and purifying liquids or gases. During use, the liquid or gas sequentially passes through the coarse filter layer 101, the medium-efficiency filter layer 102, and the fine filter layer 103, achieving graded filtration of impurities of different sizes. This allows for precise interception of particles of varying diameters, improving filtration efficiency and preventing clogging. The tensile layer 2 is made of stainless steel mesh, giving it high strength and excellent corrosion resistance. The tensile layer 2 enhances the tensile strength of the nonwoven fabric, reducing the degree of stretching when the fabric is under pressure, thus minimizing changes in pore size and maintaining good filtration performance. The antibacterial layer 104 inhibits the growth of microorganisms on the nonwoven fabric, keeping it clean, improving its filtration efficiency, and extending its service life.

[0034] Further improvements include, for example Figure 1 As shown, the body 1 is also provided with a pressing part 105, which has a dense structure formed by hot pressing along the thickness direction of the body 1.

[0035] Specifically, the formation of the pressing part 105 can be used to fix the layers of the nonwoven fabric together, improve the stability and strength of the overall structure of the nonwoven fabric, and the pressing part 105 formed by hot pressing has a dense structure and has higher strength than the multi-layer independent and loose nonwoven fabric. Thus, the pressing part 105 can further improve the tensile strength of the nonwoven fabric and improve the filtration effect of the nonwoven fabric.

[0036] Further improvements include, for example Figure 2 As shown, the pressing part 105 is distributed in a grid pattern on the main body.

[0037] Specifically, the mesh structure allows the pressing part 105 to be evenly distributed on the nonwoven fabric, dividing the nonwoven fabric into multiple small grid units, each of which maintains its original filtration performance; in this way, the nonwoven fabric structure can be kept stable after it is cut, so as to maintain its tensile strength and improve the purification effect of the nonwoven fabric.

[0038] Further improvement is that the fiber diameter of the coarse filter layer 101 is 20-40 microns. The coarse filter layer 101 can be made of polyester fiber or polypropylene fiber. The larger fiber can form larger pores, which is convenient for large particles to be intercepted, while ensuring higher air permeability and lower resistance, so that the filtration process can proceed smoothly.

[0039] Further improvement is that the fiber diameter of the medium filter layer 102 is 10-20 microns. The medium filter layer 102 can be made of polyester fiber, which forms a pore structure suitable for filtering medium particles.

[0040] Further improvement is that the fiber diameter of the fine filter layer 103 is 1-10 microns. The fine filter layer 103 can be made of polypropylene nanofiber prepared by electrospinning technology, which has high fineness and large specific surface area, and can form small and uniform pores, which has good interception and adsorption effect on small particles.

[0041] Further improvement is that, as shown in Figure 3 The tensile-resistant layer 2 is sewn and fixed with the compression part 105 by the sewing thread 3, and the sewing direction of the tensile-resistant layer 2 and the compression part 105 is consistent with the extension direction of the compression part 105. By sewing the tensile-resistant layer 2 and the compression part 105 with the sewing thread 3, the strength of the combination of the tensile-resistant layer and the non-woven fabric can be improved, and the stability of the overall structure of the non-woven fabric can be improved, and the filtration effect of the non-woven fabric can be improved.

[0042] Further improvement is that the antibacterial layer 104 is an antibacterial fiber layer, and the diameter of the antibacterial fiber is 50-80 microns. The antibacterial fiber is a fiber formed by closely combining an antibacterial agent with a fiber, which has a long-lasting antibacterial effect to continuously inhibit the growth of microorganisms, maintain the cleanliness of the non-woven fabric, and improve the filtration effect of the non-woven fabric; the pores formed by the antibacterial fiber are larger than the pores of the coarse filter layer 101, the medium filter layer 102 and the fine filter layer 103, so as to reduce the resistance of the antibacterial layer 104 to the filtration of the non-woven fabric, and improve the filtration efficiency of the non-woven fabric.

[0043] Further improvement is that the antibacterial layer 104 has static electricity. The static electricity can generate an attractive force on the impurity particles in the antibacterial layer 104, so that the impurity particles stay in the antibacterial layer, thereby reducing the filtration pressure of the coarse filter layer 101, the medium filter layer 102 and the fine filter layer 103, and improving the filtration effect of the non-woven fabric.

[0044] It can be understood that the utility model is described through some embodiments, and the person skilled in the art knows that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. In addition, under the guidance of the utility model, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the application belong to the scope protected by the utility model.

Claims

1. A multi-layer antibacterial high-efficiency filter nonwoven fabric, characterized in that, include: The body (1) of the nonwoven fabric includes a coarse filter layer (101), a medium-efficiency filter layer (102) and a fine filter layer (103) arranged sequentially. Tensile layer (2) is fixedly connected to both sides of the body (1), and the tensile layer (2) is a metal mesh layer; An antibacterial layer (104) is provided, which is alternately arranged with the coarse filter layer (101), the medium-efficiency filter layer (102) and the fine filter layer (103).

2. The multilayer antibacterial high-efficiency filter nonwoven fabric according to claim 1, characterized in that, The body (1) is further provided with a pressing part (105), which has a dense structure formed by hot pressing along the thickness direction of the body (1).

3. The multilayer antibacterial high-efficiency filter nonwoven fabric according to claim 2, characterized in that, The pressing part (105) is distributed in a grid pattern on the body (1).

4. The multilayer antibacterial high-efficiency filter nonwoven fabric according to claim 1, characterized in that, The fiber diameter of the coarse filter layer (101) is 20-40 micrometers.

5. The multilayer antibacterial high-efficiency filter nonwoven fabric according to claim 1, characterized in that, The fiber diameter of the medium-efficiency filter layer (102) is 10-20 micrometers.

6. The multilayer antibacterial high-efficiency filter nonwoven fabric according to claim 1, characterized in that, The fiber diameter of the fine filter layer (103) is 1-10 micrometers.

7. The multilayer antibacterial high-efficiency filter nonwoven fabric according to claim 2, characterized in that, The tensile layer (2) is sutured and fixed to the pressing part (105) by suture line (3), and the suture direction of the tensile layer (2) and the pressing part (105) is consistent with the extension direction of the pressing part (105).

8. The multilayer antibacterial high-efficiency filter nonwoven fabric according to claim 1, characterized in that, The antibacterial layer (104) is an antibacterial fiber layer, and the diameter of the antibacterial fiber is 50-80 micrometers.

9. The multilayer antibacterial high-efficiency filter nonwoven fabric according to claim 1, characterized in that, The antibacterial layer (104) is electrostatic.

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