Novel filter screen

Abstract

The utility model relates to the technical field of filter screens, in particular to a novel filter screen which comprises a main body, an adsorption layer, a melt-blown composite layer and a surface layer are sequentially arranged on the upper end face and the lower end face of the main body from inside to outside, and the adsorption layer comprises an upper protection layer, an adsorption main body layer and a lower protection layer. Wherein the adsorption main body layer is positioned between the upper protection layer and the lower protection layer, and the thickness value of the adsorption main body layer is 1.5-3mm. The filter screen has the advantages of simple structure, reasonable design, attractive appearance, no influence on the structure of the filter screen, good filtering effect and easiness in processing, and is worthy of vigorous popularization and application, and the adsorption material in the filter screen is not easy to fall off.

Description

Technical Field

[0001] The utility model relates to the technical field of filter screens, in particular to a novel filter screen. Background Technique

[0002] In order to quickly adapt to the trend of the development of the new-era industrial industry, at present, many industrial manufacturing enterprises actively introduce equipment supported by microelectronic technology to improve the production efficiency of the enterprise and the accuracy of products. These equipment have strict requirements for the use environment and need to be installed in a clean room for operation. For example, the processing and production of wafers require strict control of the chemical components in the air of the clean room. Therefore, chemical filters need to be installed in the clean room. The most important part of the chemical filter is the filter screen. At present, the filter screen used in the chemical filter is unreasonable in design. The adsorption material is easy to damage the structure and appearance of the filter screen, and the filtering effect is not ideal. At the same time, the adsorption material in the filter screen is easy to fall off, which will lead to a deterioration of the filtering effect and cross-infection. Therefore, the applicant has designed a novel filter screen. Content of the Utility Model

[0003] The purpose of the utility model is to provide a novel filter screen, which has the advantages of simple structure, reasonable design, beautiful appearance, not affecting the structure of the filter screen, good filtering effect, not easy to fall off of the adsorption material in the filter screen, and easy processing, and solves the problems raised in the above technical background.

[0004] To achieve the above purpose, the utility model provides the following technical scheme: a novel filter screen, the filter screen includes a main body, adsorption layers, meltblown composite layers and surface layers are sequentially arranged from the inside to the outside on the upper and lower end faces of the main body. The adsorption layer includes an upper protective layer, an adsorption main body layer and a lower protective layer. The adsorption main body layer is located between the upper protective layer and the lower protective layer, and the thickness value of the adsorption main body layer is between 1.5 mm and 3 mm.

[0005] Preferably, the main body is made of black PP material, and a plurality of diamond-shaped mesh holes are arranged on the main body, and the plurality of diamond-shaped mesh holes are evenly distributed on the main body.

[0006] Preferably, one end face of the upper protective layer far from the adsorption main body layer is in contact connection with the main body. The upper protective layer is made of black polyester material, and hexagonal mesh holes are arranged on the upper protective layer, and the aperture value of the hexagonal mesh holes is between 8 mm and 18 mm.

[0007] Preferably, the adsorption main body layer is composed of a plurality of activated carbon particles, and the plurality of activated carbon particles are pasted on the upper protective layer and the lower protective layer by an adhesion process.

[0008] Preferably, the adsorption main body layer is manganese dioxide, and an adhesive layer is arranged between the adsorption main body layer and the upper protective layer and the lower protective layer.

[0009] Preferably, the lower protective layer is made of black PP material, and the grammage of the lower protective layer is 30 - 80 g / ㎡.

[0010] Preferably, the thickness value of the meltblown composite layer is between 0.4 mm and 1 mm.

[0011] Preferably, the surface layer is a PET film, and its thickness value is between 0.1 mm and 0.5 mm.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. The present utility model provides a new type of filter screen, which includes a main body. An adsorption layer, a meltblown composite layer, and a surface layer are sequentially arranged from the inside to the outside on the upper and lower end faces of the main body. The overall structure is simple, the design is reasonable, and the appearance is beautiful, without affecting the structure of the filter screen. The adsorption layer includes an upper protective layer, an adsorption main body layer, and a lower protective layer. The adsorption main body layer is wrapped by the upper protective layer and the lower protective layer. The adsorption material in the adsorption main body layer is not easy to fall off and will not cause cross-infection in the purification chamber, and it has strong practicability. The adsorption main body layer in the present utility model is manganese dioxide or activated carbon particles, with good adsorption effect. At the same time, the removal rates of formaldehyde, toluene, TVOC, and various gases reach 90%, and the filtering and adsorption effects are good. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is the front view of Embodiment 1 of the present utility model;

[0015] Figure 2 is of the present utility model Figure 1 the cross-sectional view taken along A - A;

[0016] Figure 3 is of the present utility model Figure 2 the enlarged view of B;

[0017] Figure 4 is the front view of Embodiment 2 of the present utility model;

[0018] Figure 5 is of the present utility model Figure 4 the cross-sectional view taken along C - C;

[0019] Figure 6 is of the present utility model Figure 5 the enlarged view of D.

[0020] The reference numerals and names in the drawings are as follows:

[0021] 1, main body; 2, adsorption layer; 21, upper protective layer; 22, adsorption main body layer; 23, lower protective layer; 24, adhesive layer; 3, meltblown composite layer; 4, surface layer; 5, diamond-shaped mesh hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0023] In the description of the embodiments of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the embodiments of the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the embodiments of the present utility model, "a plurality" means two or more, unless otherwise specifically defined.

[0024] In the embodiments of the present utility model, unless otherwise clearly specified and limited, the terms "installation", "connection", "connection", "fixation", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.

[0025] Embodiment 1:

[0026] Please refer to Figures 1 to 3, An embodiment provided by the present utility model: a novel filter screen. The filter screen includes a main body 1, the main body 1 is made of black PP material, and a plurality of diamond-shaped mesh holes 5 are provided on the main body 1. The plurality of diamond-shaped mesh holes 5 are evenly distributed on the main body 1. Adsorption layers 2, meltblown composite layers 3 and surface layers 4 are sequentially arranged on the upper and lower end faces of the main body 1 from inside to outside. The adsorption layer 2 includes an upper protective layer 21, an adsorption main body layer 22 and a lower protective layer 23. Among them, the adsorption main body layer 22 is located between the upper protective layer 21 and the lower protective layer 23, and the thickness value of the adsorption main body layer 22 is between 1.5 mm and 3 mm. The thickness value of the meltblown composite layer 3 is between 0.4 mm and 1 mm, and the meltblown composite layer 3 is made of PP and PET materials. The gram weight of the meltblown composite layer 3 is 60-100 g / ㎡. The surface layer 4 is a PET film, and its thickness value is between 0.1 mm and 0.5 mm.

[0027] Specifically, one end face of the upper protective layer 21 away from the adsorption main body layer 22 is in contact connection with the main body 1. The upper protective layer 21 is made of black polyester material, and hexagonal mesh holes are provided on the upper protective layer 21. The aperture value of the hexagonal mesh holes is between 8 mm and 18 mm.

[0028] Specifically, the adsorption main body layer 22 is composed of a plurality of activated carbon particles. The plurality of activated carbon particles are pasted on the upper protective layer 21 and the lower protective layer 23 by an adhesion process. The removal rates of formaldehyde, toluene, TVOC and various gases by the activated carbon particles reach 90%.

[0029] Specifically, the lower protective layer 23 is made of black PP material, and the gram weight of the lower protective layer 23 is 30-80 g / ㎡.

[0030] Please refer to again Figures 1 to 3 , The filter screen obtained by adopting the above technical scheme has the advantages of simple structure, reasonable design, beautiful appearance, not affecting the structure of the filter screen, good filtering effect, and the adsorption material in the adsorption main body layer 22 is not easy to fall off, easy to process, and is worthy of being vigorously promoted and applied.

[0031] Embodiment Two:

[0032] Please refer to Figures 4 to 6 , Another embodiment provided by the present utility model: This embodiment is the same as Embodiment One, and the difference lies in that: the adsorption main body layer 22 is manganese dioxide, and an adhesive layer 24 is provided between the adsorption main body layer 22 and the upper protective layer 21 and the lower protective layer 23. Manganese dioxide plays a role in catalytic decomposition of formaldehyde, and the formaldehyde removal effect is good. Other parts not explained in this embodiment are referred to Embodiment One and will not be elaborated here.

[0033] It is obvious to those skilled in the art that the present utility model is not limited to the details of the above-described exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

Claims

1. A novel filter screen, comprising a main body (1), characterized in that: The upper and lower end surfaces of the main body (1) are provided with an adsorption layer (2), a melt-blown composite layer (3) and a surface layer (4) in order from the inside to the outside, and the adsorption layer (2) comprises an upper protective layer (21), an adsorption main layer (22) and a lower protective layer (23), wherein the adsorption main layer (22) is located between the upper protective layer (21) and the lower protective layer (23), and the thickness of the adsorption main layer (22) is between 1.5 mm and 3 mm.

2. A novel filter screen according to claim 1, characterized in that: The main body (1) is made of black PP material, and a plurality of diamond-shaped mesh holes (5) are arranged on the main body (1), and the plurality of diamond-shaped mesh holes (5) are evenly distributed on the main body (1).

3. A novel filter screen according to claim 1, characterized in that: The upper protective layer (21) is in contact with and connected to the main body (1) at one end face away from the adsorption main body layer (22); the upper protective layer (21) is made of black polyester material, and is provided with hexagonal mesh holes, the aperture value of which is between 8 mm and 18 mm.

4. A novel filter screen according to claim 1, characterized in that: The adsorption main layer (22) is composed of a plurality of activated carbon particles, and the plurality of activated carbon particles are adhered to the upper protective layer (21) and the lower protective layer (23) by using an adhesion process.

5. A novel filter screen according to claim 1, characterized in that: The adsorption main body layer (22) is manganese dioxide, and a self-adhesive layer (24) is provided between the adsorption main body layer (22) and the upper protective layer (21) and the lower protective layer (23).

6. A novel filter screen according to claim 1, characterized in that: The lower protective layer (23) is made of black PP material, and the gram weight of the lower protective layer (23) is 30-80 g / ㎡.

7. A novel filter screen according to claim 1, characterized in that: The thickness of the melt-blown composite layer (3) is between 0.4 mm and 1 mm.

8. A novel filter screen according to claim 1, characterized in that: The surface layer (4) is a PET film, and its thickness is between 0.1 mm and 0.5 mm.

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