Filter paper with dustproof effect

Abstract

The utility model discloses filter paper with a dustproof effect, which relates to the field of filter paper and comprises a filter paper inner layer, and activated carbon micro powder is arranged in the filter paper inner layer. The filter paper inner layer is tightly attached to the filter paper middle layer, and when the device is used, the contact area between the filter paper inner layer and the filter paper middle layer is increased through the structural arrangement of the filter paper inner layer and the filter paper middle layer. In the same space, the wrinkle structure greatly increases the filtering area, delays dust blockage, prolongs the service life of the device and improves the filtering efficiency, the outer layer of the filtering paper plays a tight fitting role on nanoscale titanium dioxide particles, and when the device is used, the nanoscale titanium dioxide particles can adsorb and decompose part of organic dust, so that the dust removal effect of the device is improved, and the service life of the device is prolonged. Meanwhile, the device is endowed with certain self-cleaning capability. When light irradiates, the nanoscale titanium dioxide particles catalyze and decompose organic matters attached to the surfaces, and the reduction of the filtering performance caused by dust accumulation is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter paper field, concretely is a filter paper with dustproof effect. BACKGROUND

[0002] In today's era of rapid industrialization and urbanization, air quality issues are increasingly concerned, and dust pollution has become an important factor affecting the environment and human health. Filter paper with dustproof effect plays a key role in many fields, so a filter paper with dustproof effect is needed.

[0003] The existing patent document with the technical announcement number CN209703192U provides a honeycomb filter paper, which includes a shell, a first filter paper, a second filter paper, and a limiting paperboard. The inner wall top end of the shell is pasted with the second filter paper. The upper surface of the second filter paper is uniformly provided with second honeycomb holes. The bottom end of the second honeycomb hole penetrates the second filter paper. The lower surface of the second filter paper is pasted with a filter screen. The outer edge of the filter screen is pasted on the inner wall of the shell. The lower surface of the filter screen is pasted with a limiting paperboard. The outer edge of the limiting paperboard is pasted on the inner wall of the shell. The utility model sets up bamboo charcoal bag in the limiting hole inner wall. The harmful substances can be absorbed by the bamboo charcoal bag. The paint mist generated during painting can be absorbed by the bamboo charcoal bag to prevent air pollution caused by paint mist. At the same time, the harmful substances in the paint mist can be prevented from damaging the health of the operators. The use efficiency of the honeycomb filter paper is greatly increased. However, the CN209703192U technology is not convenient for decomposing the organic matter attached to the surface during operation. The filtration performance may be reduced due to dust accumulation. It is not convenient to increase the filtration area, and the problem of accelerated dust blockage may occur. Therefore, a filter paper with dustproof effect is urgently needed. SUMMARY

[0004] Therefore, the utility model aims at providing a filter paper with dustproof effect to solve the problem that the existing filter paper with dustproof effect is not convenient for decomposing the organic matter attached to the surface during use, is prone to filtration performance reduction due to dust accumulation, is not convenient for increasing the filtration area, and is prone to accelerated dust blockage.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a filter paper with dustproof effect, which comprises a filter paper inner layer, an active carbon powder is arranged in the inside of the filter paper inner layer, a filter paper middle layer is attached to the outer wall of the filter paper inner layer, and fine fibers are arranged in the inside of the filter paper middle layer.

[0006] A filter paper outer layer is attached to the outer wall of the filter paper middle layer. Coarse fibers are arranged in the inside of the filter paper outer layer. Nano titanium dioxide particles are arranged on the outer wall of the coarse fibers.

[0007] Preferably, the outer wall of the inner layer of filter paper is closely attached to the outer wall of the middle layer of filter paper, and the length of the outer wall of the inner layer of filter paper is the same as the length of the outer wall of the middle layer of filter paper.

[0008] Preferably, the outer wall of the middle layer of filter paper is closely attached to the outer wall of the outer layer of filter paper, and the length of the outer wall of the middle layer of filter paper is the same as the length of the outer wall of the outer layer of filter paper.

[0009] Preferably, the middle layer of filter paper is arranged in parallel with the fine fibers, and the middle layer of filter paper is arranged in a "W" shape structure.

[0010] Preferably, the outer layer of filter paper is arranged in parallel with the nano-sized titanium dioxide particles, and the outer layer of filter paper is arranged in a "W" shape structure.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The inner layer of filter paper is closely attached to the middle layer of filter paper, and the structure of the inner layer of filter paper and the middle layer of filter paper increases the contact area with air when the device is used. In the same space, the wrinkle structure greatly improves the filtering area, delays dust blockage, prolongs the service life of the device, and improves the filtering efficiency.

[0013] 2. The outer layer of filter paper is closely attached to the nano-sized titanium dioxide particles, and the arrangement of the nano-sized titanium dioxide particles can adsorb and decompose part of the organic dust, and at the same time, the device has a certain self-cleaning ability. When light irradiation, the nano-sized titanium dioxide particles catalyze and decompose the organic matter attached to the surface, reducing the decline of filtering performance caused by dust accumulation. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is an external view of the utility model from the vertical direction;

[0015] Figure 2 It is a structure schematic view of the combination of the outer layer of filter paper and the nano-sized titanium dioxide particles of the utility model;

[0016] Figure 3 It is a structure schematic view of the combination of the outer layer of filter paper and the nano-sized titanium dioxide particles of the utility model; Figure 1 A part of the utility model is enlarged.

[0017] In the drawing: 1, inner layer of filter paper; 2, activated carbon powder; 3, middle layer of filter paper; 4, fine fiber; 5, outer layer of filter paper; 6, coarse fiber; 7, nano-sized titanium dioxide particles. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. The embodiments described below with reference to the drawings are exemplary and are used only for explaining the present utility model, and cannot be understood as limiting the present utility model.

[0019] The embodiments of the present utility model will be described below according to the overall structure of the present utility model.

[0020] Please refer to Figures 1-3 A filter paper with dustproof effect, which comprises a filter paper inner layer 1, activated carbon powder 2 is arranged in the filter paper inner layer 1, a filter paper middle layer 3 is attached to the outer wall of the filter paper inner layer 1, the outer wall of the filter paper inner layer 1 is tightly attached to the outer wall of the filter paper middle layer 3, the length of the outer wall of the filter paper inner layer 1 is the same as the length of the outer wall of the filter paper middle layer 3, fine fibers 4 are arranged in the filter paper middle layer 3, the filter paper middle layer 3 is arranged in parallel with the fine fibers 4, and the filter paper middle layer 3 is arranged in a "W" shape structure, the filter paper middle layer 3 is tightly attached to the filter paper inner layer 1, and the structure of the filter paper inner layer 1 and the filter paper middle layer 3 increases the contact area with air when the device is used. In the same space, the wrinkle structure greatly improves the filtering area, delays dust blockage, prolongs the service life of the device, and improves the filtering efficiency.

[0021] Please refer to Figures 1-3 A filter paper with dustproof effect, which comprises a filter paper inner layer 1, activated carbon powder 2 is arranged in the filter paper inner layer 1, a filter paper middle layer 3 is attached to the outer wall of the filter paper inner layer 1, the outer wall of the filter paper inner layer 1 is tightly attached to the outer wall of the filter paper middle layer 3, the length of the outer wall of the filter paper inner layer 1 is the same as the length of the outer wall of the filter paper middle layer 3, fine fibers 4 are arranged in the filter paper middle layer 3, the filter paper middle layer 3 is arranged in parallel with the fine fibers 4, and the filter paper middle layer 3 is arranged in a "W" shape structure, the filter paper middle layer 3 is tightly attached to the filter paper inner layer 1, and the structure of the filter paper inner layer 1 and the filter paper middle layer 3 increases the contact area with air when the device is used. In the same space, the wrinkle structure greatly improves the filtering area, delays dust blockage, prolongs the service life of the device, and improves the filtering efficiency.

[0022] Working principle: when using, the device is taken out and placed in the designated position, then the nanometer titanium dioxide particles 7 are added inside the filter paper outer layer 5, the filter paper outer layer 5 is bonded to the filter paper middle layer 3, then the filter paper inner layer 1 is bonded to the filter paper middle layer 3, finally the filter paper outer layer 5 inside the coarse fiber 6 quickly intercepts large particle dust, reduces the subsequent filtration pressure, the filter paper middle layer 3 inside the fine fiber 4 effectively captures small dust, the filter paper inner layer 1 inside the activated carbon powder 2 adsorbs odor and harmful gas molecules, and the nanometer titanium dioxide particles 7 decompose and attach organic matter on the surface, so the use process of the device is completed, and the contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0023] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A filter paper having a dustproof effect, comprising a filter paper inner layer (1), characterized in that: The inner layer of the filter paper (1) is internally provided with activated carbon powder (2), the outer wall of the filter paper inner layer (1) is attached with a filter paper middle layer (3), the inside of the filter paper middle layer (3) is provided with fine fibers (4); The outer wall of the filter paper middle layer (3) is bonded with a filter paper outer layer (5), the inside of the filter paper outer layer (5) is provided with coarse fibers (6), and the outer wall of the coarse fibers (6) is provided with nano titanium dioxide particles (7).

2. The filter paper with dustproof effect according to claim 1, characterized in that: The outer wall of the filter paper inner layer (1) is tightly attached to the outer wall of the filter paper middle layer (3), and the length of the outer wall of the filter paper inner layer (1) is the same as the length of the outer wall of the filter paper middle layer (3).

3. The filter paper with dustproof effect according to claim 1, characterized in that: The outer wall of the filter paper middle layer (3) is tightly attached to the outer wall of the filter paper outer layer (5), and the length of the outer wall of the filter paper middle layer (3) is the same as the length of the outer wall of the filter paper outer layer (5).

4. The filter paper with dustproof effect according to claim 1, characterized in that: The filter paper middle layer (3) is arranged in parallel with the fine fibers (4), and the filter paper middle layer (3) is arranged in a "W" shape structure.

5. The filter paper with dustproof effect according to claim 1, characterized in that: The filter paper outer layer (5) is arranged in parallel with the nano titanium dioxide particles (7), and the filter paper outer layer (5) is arranged in a "W" shape structure.

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