CN211384227U

CN211384227U - Novel high-density polyester needle felt filter bag fabric

Info

Publication number: CN211384227U
Application number: CN201922358492.2U
Authority: CN
Inventors: 吴文龙
Original assignee: Suzhou Shengxin Filter Material Technology Co ltd
Current assignee: Suzhou Shengxin Filter Material Technology Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-09-01
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses a novel high density dacron acupuncture felt filter bag surface fabric, including first PTFE filtration membrane, first high strength base cloth layer, polyester fiber line, aramid fiber line, second PTFE filtration membrane, second high strength base cloth layer, first activated carbon fiber filter layer, first bond line, second activated carbon fiber filter layer and second bond line. The utility model discloses rational in infrastructure, through the mating reaction on first PTFE filtration membrane, first high strength base cloth layer and second high strength base cloth layer, realize filtering, the filter effect is good, avoids passing of dust, and structural strength is high simultaneously, and is not fragile, through the mating reaction of first active carbon fiber filter layer and second active carbon fiber filter layer, realizes filtering once more, reduces passing of harmful substance in the gas, has improved filtration quality.

Description

Novel high-density polyester needle felt filter bag fabric

Technical Field

The utility model relates to a dacron acupuncture felt filter bag surface fabric specifically is a novel high density dacron acupuncture felt filter bag surface fabric, belongs to acupuncture felt filter bag surface fabric application technical field.

Background

The terylene needle felt is fine fiber cloth which is produced by adopting a non-woven needle technology and utilizing fiber staggered arrangement and uniform gap distribution, the surface of the needle felt produced by twisting terylene short fiber and terylene is subjected to post treatment such as hot rolling, singeing or coating, so that the surface of the needle felt is flat and smooth and is not easy to be blocked by dust, the filter material has large void ratio, good air permeability, wide application and strong chemical stability, can filter gas at normal temperature, can filter corrosive gas containing acid and alkali, can filter water and oil, and is an ideal filter material in the fields of normal temperature working condition, liquid-solid separation and the like.

The dacron needled felt is often used as a base cloth layer of a filter bag and used for filtering and dedusting, but the pores of the fabric of the existing dacron needled felt are possibly large, the filtering effect is possibly poor, the adsorption function is possibly lacked, and harmful gas cannot be absorbed and removed when passing through the filter bag. Therefore, the novel high-density polyester needle felt filter bag fabric is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel high density dacron acupuncture felt filter bag surface fabric just in order to solve above-mentioned problem.

The utility model realizes the purpose through the following technical scheme, a novel high-density terylene needle felt filter bag fabric, which comprises a first high-strength base cloth layer and a second high-strength base cloth layer, wherein the top of the first high-strength base cloth layer is compositely connected with a first PTFE air filtering membrane, the top of the second high-strength base cloth layer is compositely connected with a second PTFE air filtering membrane, and the second PTFE air filtering membrane is compositely connected with the bottom of the first high-strength base cloth layer;

the bottom of the second high-strength base cloth layer is connected with a first activated carbon fiber filter layer in an adhesive mode, and the bottom of the first activated carbon fiber filter layer is connected with a second activated carbon fiber filter layer in an adhesive mode.

Preferably, a second adhesive layer is arranged between the second high-strength base cloth layer and the first activated carbon fiber filter layer.

Preferably, a first adhesive layer is arranged between the first activated carbon fiber filter layer and the second activated carbon fiber filter layer.

Preferably, the first high-strength base cloth layer and the second high-strength base cloth layer are woven by fiber threads, and the fiber threads are formed by twisting two strands of polyester fiber threads and aramid fiber threads in a plying manner.

Preferably, the thicknesses of the first PTFE air filtering membrane and the second PTFE air filtering membrane are the same.

Preferably, the first PTFE air filtration membrane has a thickness less than the first high strength scrim layer.

The utility model has the advantages that:

this kind of acupuncture felt filter bag surface fabric passes through the mating reaction on first PTFE filtration membrane, first high strength base cloth layer and second high strength base cloth layer, realizes filtering, and the filter effect is good, avoids passing of dust, and structural strength is high simultaneously, and is not fragile, through the mating reaction of first activated carbon fiber filter layer and second activated carbon fiber filter layer, realizes filtering once more, reduces passing of harmful substance in the gas, has improved filtration quality.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the first adhesive layer and the second activated carbon fiber filter layer of the present invention;

fig. 3 is a schematic view of the structure of the fiber line of the present invention.

In the figure: 1. the air filter comprises a first PTFE air filtering membrane, 2 a first high-strength base cloth layer, 201 a polyester fiber thread, 202 an aramid fiber thread, 3 a second PTFE air filtering membrane, 4 a second high-strength base cloth layer, 5 a first activated carbon fiber filtering layer, 6 a first bonding layer, 7 a second activated carbon fiber filtering layer, 8 a second bonding layer.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-3, a novel high-density polyester needle felt filter bag fabric comprises a first high-strength base fabric layer 2 and a second high-strength base fabric layer 4, wherein the top of the first high-strength base fabric layer 2 is compositely connected with a first PTFE air filtering membrane 1, the top of the second high-strength base fabric layer 4 is compositely connected with a second PTFE air filtering membrane 3, and the second PTFE air filtering membrane 3 is compositely connected with the bottom of the first high-strength base fabric layer 2;

the bottom of the second high-strength base cloth layer 4 is bonded with a first activated carbon fiber filter layer 5, and the bottom of the first activated carbon fiber filter layer 5 is bonded with a second activated carbon fiber filter layer 7.

A second bonding layer 8 is arranged between the second high-strength base cloth layer 4 and the first activated carbon fiber filtering layer 5, so that the second high-strength base cloth layer 4 and the first activated carbon fiber filtering layer 5 are bonded; a first bonding layer 6 is arranged between the first activated carbon fiber filtering layer 5 and the second activated carbon fiber filtering layer 7, so that the first activated carbon fiber filtering layer 5 and the second activated carbon fiber filtering layer 7 are bonded; the first high-strength base cloth layer 2 and the second high-strength base cloth layer 4 are woven through fiber threads, the fiber threads are formed by twisting two strands of polyester fiber threads 201 and aramid fiber threads 202 in a plying mode, the overall strength is improved through the action of the polyester fiber threads 201 and the aramid fiber threads 202, meanwhile, the surfaces of the first high-strength base cloth layer 2 and the second high-strength base cloth layer 4 form a plain structure, and the surfaces are needled through superfine needling needles; the thicknesses of the first PTFE air filtering membrane 1 and the second PTFE air filtering membrane 3 are the same, and the first PTFE air filtering membrane 1, the second PTFE air filtering membrane 3, the first high-strength base cloth layer 2 and the second high-strength base cloth layer 4 are overlapped, so that the filtering pores are further reduced, and the filtering effect is improved; the thickness of the first PTFE air filtering membrane 1 is smaller than that of the first high-strength base cloth layer 2, the membrane aperture of the surfaces of the first PTFE air filtering membrane 1 and the second PTFE air filtering membrane 3 can be controlled to be 0.2-15 mu m, the void ratio can reach more than 85%, and the filtering effect is achieved.

The utility model discloses when using, gaseous filtration through first PTFE filtration membrane 1, first high strength base cloth layer 2, second PTFE filtration membrane 3 and second high strength base cloth layer 4, it is good to realize gaseous dust removal filtration filter effect, avoid passing of dust, structural strength is high simultaneously, it is not fragile, then pass in first activated carbon fiber filter layer 5 and the second activated carbon fiber filter layer 7, realize the secondary filtration, reduce passing of harmful substance in the gas, the filtration quality is improved.

Wherein: the first activated carbon fiber filter layer 5 and the second activated carbon fiber filter layer 7 are composed of activated carbon fibers; the first adhesive layer 6 and the second adhesive layer 8 are made of HY-101 glue.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a novel high density dacron acupuncture felt filter bag surface fabric which characterized in that: the air filter cloth comprises a first high-strength base cloth layer (2) and a second high-strength base cloth layer (4), wherein the top of the first high-strength base cloth layer (2) is connected with a first PTFE air filtering membrane (1) in a compounding manner, the top of the second high-strength base cloth layer (4) is connected with a second PTFE air filtering membrane (3) in a compounding manner, and the second PTFE air filtering membrane (3) is connected with the bottom of the first high-strength base cloth layer (2) in a compounding manner;

the bottom of the second high-strength base cloth layer (4) is connected with a first activated carbon fiber filter layer (5) in an adhesive mode, and the bottom of the first activated carbon fiber filter layer (5) is connected with a second activated carbon fiber filter layer (7) in an adhesive mode.

2. The novel high-density polyester needle felt filter bag fabric as claimed in claim 1, wherein: and a second bonding layer (8) is arranged between the second high-strength base cloth layer (4) and the first activated carbon fiber filter layer (5).

3. The novel high-density polyester needle felt filter bag fabric as claimed in claim 1, wherein: and a first bonding layer (6) is arranged between the first activated carbon fiber filtering layer (5) and the second activated carbon fiber filtering layer (7).

4. The novel high-density polyester needle felt filter bag fabric as claimed in claim 1, wherein: the first high-strength base cloth layer (2) and the second high-strength base cloth layer (4) are formed by weaving fiber threads, and the fiber threads are formed by twisting two strands of polyester fiber threads (201) and aramid fiber threads (202) in a plying mode.

5. The novel high-density polyester needle felt filter bag fabric as claimed in claim 1, wherein: the thicknesses of the first PTFE air filtering membrane (1) and the second PTFE air filtering membrane (3) are the same.

6. The novel high-density polyester needle felt filter bag fabric as claimed in claim 1, wherein: the thickness of the first PTFE air filtering membrane (1) is smaller than that of the first high-strength base cloth layer (2).