CN218701761U

CN218701761U - Multilayer adsorption air filtration non-woven fabrics

Info

Publication number: CN218701761U
Application number: CN202221150091.3U
Authority: CN
Inventors: 楼金善; 赵涛; 严陈予
Original assignee: Nantong Rapoo Non Woven Technology Co ltd
Current assignee: Nantong Rapoo Non Woven Technology Co ltd
Priority date: 2022-05-13
Filing date: 2022-05-13
Publication date: 2023-03-24
Anticipated expiration: 2032-05-13

Abstract

The utility model discloses a multilayer adsorption air filtration non-woven fabrics, including the base cloth layer, base cloth layer upside is equipped with the first filter layer that is used for filtering the filter of large granule, base cloth layer downside is equipped with the second filter layer that is used for filtering tiny filter, first filter layer upside is provided with fire-retardant layer, fire-retardant layer upside is provided with the waterproof layer, second filter layer downside is connected with antibiotic filtration cotton layer, through setting up first water absorption layer and second water absorption layer, filter the pollutant of great granule earlier by the filtration pore structure of first water absorption layer dislocation set, the pollutant of tiny granule is filtered to the honeycomb layer of rethread second filter layer dislocation set, rethread active carbon particle and antibiotic filtration cotton, peculiar smell and bacterium to in the air further filter, carry out the multilayer absorption to the air, improve the purification degree of air.

Description

Multilayer adsorption air filtration non-woven fabrics

Technical Field

The utility model belongs to the technical field of the non-woven, concretely relates to multilayer adsorption air filtration non-woven fabrics.

Background

Along with the deterioration of air quality, the haze phenomenon is gradually increased, a large number of harmful particles such as sulfides are contained, the body of people is seriously harmed, respiratory system diseases and cardiovascular diseases can be caused by long-term inhalation, and the risk of carcinogenesis is increased, so that research institutions and manufacturers do not need to devote on research and development of filter materials with higher efficiency and higher safety. And the non-woven fabrics uses as air filter because it has good gas permeability often, adsorbs the impurity that mix with in the air when can guaranteeing the air penetration rate at the in-process of using, improves the purity degree of using the air, and current filtration is with non-woven fabrics intensity low, and life cycle is short, and is waterproof, the filter effect is not good, and the flame retardant efficiency of non-woven fabrics is relatively poor, and degerming deodorization performance is lower.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a multilayer adsorption air filtration non-woven fabrics.

The utility model provides a technical scheme as follows:

the utility model provides a multilayer adsorption air filters non-woven fabrics, includes the base cloth layer, and base cloth layer upside is equipped with the first filter layer that is used for filtering the filter of large granule thing, and base cloth layer downside is equipped with the second filter layer that is used for filtering tiny filter thing, and first filter layer upside is provided with fire-retardant layer, and fire-retardant layer upside is provided with the waterproof layer, and second filter layer downside is connected with antibiotic filtration cotton layer.

Further, the first filter layer comprises a fiber web layer, and a first fiber cloth layer and a second fiber cloth layer which are arranged on two sides of the fiber web layer.

Furthermore, all be equipped with on first fibre cloth layer and the second fibre cloth layer and filter the hole, filter the hole dislocation set on first fibre cloth layer and the second fibre cloth layer.

Furthermore, dense villi are arranged on the inner surface of the filtering holes.

Further, the second filter layer comprises a carbon fiber layer, and a first honeycomb layer and a second honeycomb layer which are arranged on two sides of the carbon fiber layer.

Further, the honeycomb holes of the first honeycomb layer and the second honeycomb layer are arranged in a staggered mode.

Furthermore, the aperture of the honeycomb holes is less than 1mm.

Furthermore, activated carbon particles are arranged in the carbon fiber layer.

To sum up, the utility model has the advantages of it is following:

(1) The utility model discloses a set up first water absorption layer and second water absorption layer, filter earlier the pollutant of great granule by the filtration pore structure of first water absorption layer dislocation set, the pollutant of tiny granule is filtered to the honeycomb layer of rethread second filter layer dislocation set, and rethread active carbon particle and antibiotic filter cotton further filter peculiar smell and bacterium in the air, carry out the multilayer to the air and adsorb, improve the purification degree of air.

(2) The utility model arranges the waterproof layer on the surface of the non-woven fabric, thereby preventing the influence on the filtering performance of the non-woven fabric due to the moisture in the air entering the filtering layer; the utility model discloses be provided with fire-retardant layer under the waterproof layer, can prevent that the non-woven fabrics from taking place the burning under high temperature environment.

Drawings

Fig. 1 is a schematic sectional structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the first filter layer of the present invention;

fig. 3 is a schematic sectional view of the second filter layer of the present invention.

The reference numbers are as follows:

1. a base cloth layer; 2. a first filter layer; 3. a second filter layer; 4. a flame retardant layer; 5. a waterproof layer; 6. an antibacterial filter cotton layer; 21. a fibrous web layer; 22. a first fiber cloth layer; 23. a second fiber cloth layer; 24. a filtration pore; 31. a carbon fiber layer; 32. a first honeycomb layer; 33. a second honeycomb layer; 34. activated carbon particles.

Detailed Description

In order to deepen the understanding of the present invention, the present invention will be further described in detail with reference to the following embodiments and the attached drawings, and the embodiments are only used for explaining the present invention, and do not constitute the limitation to the protection scope of the present invention.

As shown in fig. 1, a multilayer adsorbs air filter non-woven fabrics, including base cloth layer 1, base cloth layer 1 can adopt high strength non-woven fabrics, whole the strengthening effect that plays to filtering the non-woven fabrics, 1 upside on base cloth layer is equipped with the first filter layer 2 that is used for filtering large granule filter, 1 downside on base cloth layer is equipped with the second filter layer 3 that is used for filtering tiny filter, 2 upsides on first filter layer are provided with fire-retardant layer 4, fire-retardant layer 4 upsides are provided with waterproof layer 5, 3 downsides on the second filter layer are connected with antibiotic filtration cotton layer 6, antibiotic filtration cotton layer 5 inside is provided with the granule that disinfects, improve the antibacterial property of non-woven fabrics.

Referring to fig. 2, in the embodiment, the first filter layer 2 includes a fiber web layer 21, and a first fiber cloth layer 22 and a second fiber cloth layer 23 disposed on two sides of the fiber web layer 21, the first fiber cloth layer 22 and the second fiber cloth layer 23 are both provided with filter holes 24, the filter holes 24 on the first fiber cloth layer 22 and the second fiber cloth layer 23 are disposed in a staggered manner, a fine mesh structure of the fiber web layer 21 has a certain adsorption capacity for larger pollutants, and can adsorb larger pollutants that cannot be filtered by the first fiber cloth layer 22, meanwhile, the filter holes 24 disposed in a staggered manner can also resist part of pollutants penetrating through the fiber web layer 21, and the structure of the first filter layer 2 performs a first-step adsorption filtration on air.

In some embodiments, it is preferred that the inner surface of the filter holes 24 is provided with dense fluff, which further enhances the filtering capacity of the first filter layer 2 when air passes through the filter holes 24.

Referring to fig. 3, in the present embodiment, the second filter layer 3 includes a carbon fiber layer 31, and a first honeycomb layer 32 and a second honeycomb layer 33 disposed on two sides of the carbon fiber layer 31, honeycomb holes of the first honeycomb layer 32 and the second honeycomb layer 33 are disposed in a staggered manner, activated carbon particles 34 are disposed in the carbon fiber layer 31, a pore size of the honeycomb holes is smaller than 1mm, a void of the honeycomb structure itself is developed, a surface area is large, a fluid resistance is small, when the pore size is sufficiently small, the honeycomb holes have excellent adsorption performance, and can adsorb and filter fine pollutants, the honeycomb holes disposed in a staggered manner can further improve a filtration and adsorption capacity, and meanwhile, the activated carbon particles 34 can effectively adsorb peculiar smell in the air, so that a non-woven fabric filtration efficiency and a deodorization effect are higher.

In this embodiment, the waterproof layer 2 may be made of a nano alumina-silica composite material, when the non-woven fabric is used for filtering, moisture such as water vapor inevitably exists in the air, and the waterproof layer 2 may prevent the moisture in the air from being absorbed by the subsequent cloth layer in the air purifying process, so as to keep the overall dryness and prolong the service life.

In this embodiment, the flame retardant layer 4 is a polyphenylene sulfide fiber layer, and the polyphenylene sulfide fiber has good heat resistance and a certain strength, and can prevent the non-woven fabric from burning in a high temperature environment.

The utility model discloses a non-woven fabrics simple structure when carrying out multilayer adsorption filtration to the air, has still increased the holistic fire-retardant ability of non-woven fabrics and life.

It is to be noted that, in the attached drawings or in the description, the implementation modes not shown or described are all the modes known by the ordinary skilled person in the field of technology, and are not described in detail. Furthermore, the above definitions of the various elements and methods are not limited to the specific structures, shapes, or configurations shown in the examples.

It is also noted that the illustrations herein may provide examples of parameters that include particular values, but that these parameters need not be exactly equal to the corresponding values, but may be approximated to the corresponding values within acceptable error tolerances or design constraints. Directional phrases used in the embodiments, such as those referring to "upper", "lower", "front", "rear", "left", "right", etc., refer only to the orientation of the attached drawings and are not intended to limit the scope of the present application.

While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. The utility model provides a multilayer adsorption air filtration non-woven fabrics, includes base cloth layer (1), its characterized in that, base cloth layer (1) upside is equipped with first filter layer (2) that are used for filtering the large granule and cross the filter, base cloth layer (1) downside is equipped with second filter layer (3) that are used for filtering the tiny filter thing, first filter layer (2) upside is provided with fire-retardant layer (4), fire-retardant layer (4) upside is provided with waterproof layer (5), second filter layer (3) downside is connected with antibiotic filtration cotton layer (6).

2. The multi-layer adsorbing air-filtering nonwoven fabric as claimed in claim 1, wherein the first filtering layer (2) comprises a fiber web layer (21), and a first fiber cloth layer (22) and a second fiber cloth layer (23) disposed on both sides of the fiber web layer (21).

3. The multi-layer adsorption air filtration nonwoven fabric according to claim 2, wherein the first fiber cloth layer (22) and the second fiber cloth layer (23) are provided with filtration pores (24), and the filtration pores (24) on the first fiber cloth layer (22) and the second fiber cloth layer (23) are arranged in a staggered manner.

4. The multi-layer adsorbing air-filtering non-woven fabric according to claim 3, wherein the inner surfaces of the filtering holes (24) are provided with dense fluff.

5. The multi-layer adsorbing air-filtering nonwoven fabric as claimed in claim 1, wherein the second filter layer (3) comprises a carbon fiber layer (31), and a first honeycomb layer (32) and a second honeycomb layer (33) disposed on both sides of the carbon fiber layer (31).

6. The multi-layer adsorption air-filtration nonwoven fabric according to claim 5, wherein the honeycomb holes of the first honeycomb layer (32) and the second honeycomb layer (33) are arranged in a staggered manner.

7. The multi-layer adsorbent air-filtering nonwoven fabric as claimed in claim 6, wherein said honeycomb pores have a pore size of less than 1mm.

8. The multilayer adsorption air filtration nonwoven as claimed in claim 5, wherein activated carbon particles (34) are provided in the carbon fiber layer (31).