CN213383313U

CN213383313U - Non-woven fabric for filtering impurities

Info

Publication number: CN213383313U
Application number: CN202021851213.2U
Authority: CN
Inventors: 吴德浩; 张钟雷
Original assignee: Jiangyin Jianfa Special Textile Co ltd
Current assignee: Jiangyin Jianfa Special Textile Co ltd
Priority date: 2020-08-29
Filing date: 2020-08-29
Publication date: 2021-06-08
Anticipated expiration: 2030-08-29

Abstract

The utility model belongs to the technical field of the non-woven fabrics and specifically relates to a non-woven fabrics for filtering impurity, and it includes the basic unit, and one side of basic unit is equipped with fluffy layer, and the hole on fluffy layer is greater than the hole of basic unit. This application has the advantage that improves non-woven fabrics filter effect.

Description

Non-woven fabric for filtering impurities

Technical Field

The application relates to the field of non-woven fabrics, especially relate to a non-woven fabrics for filtering impurity.

Background

Nonwoven fabrics, also known as nonwovens, are composed of oriented or random fibers and are referred to as fabrics because of their appearance and certain properties.

Since the nonwoven fabric itself has a small void, the nonwoven fabric is also often used to filter fine impurities. However, the impurity of small granule can get into and pile up in the inside of non-woven fabrics, and the impurity of big granule can't get into the inside of non-woven fabrics, can only attach in the surface of non-woven fabrics always, changes or washs the in-process of non-woven fabrics at operating personnel, and the large granule impurity on non-woven fabrics surface very easily drops, and large granule impurity can cause secondary pollution, and the filter effect of non-woven fabrics is relatively poor, consequently has obvious not enoughly.

In view of the above-mentioned related art, the inventors considered that there was a defect that large-particle impurities filtered on the nonwoven fabric were easily detached.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that filterable large granule impurity drops easily on the non-woven fabrics, this application provides a non-woven fabrics for filtering impurity.

The application provides a non-woven fabrics for filtering impurity adopts following technical scheme:

the non-woven fabric for filtering impurities comprises a base layer, wherein one side of the base layer is provided with a fluffy layer, and the pores of the fluffy layer are larger than those of the base layer.

Through adopting above-mentioned technical scheme, the hole of fluffy layer is greater than the hole of basic unit, so when the non-woven fabrics is used for filtering impurity, the small granule impurity can pile up in the basic unit, and the impurity of big granule can pile up in fluffy layer. This application is through the setting of fluffy layer for the impurity of large granule can be piled up in the inside of non-woven fabrics, when having reduced this operating personnel's non-woven fabrics of taking, the possibility that large granule impurity drops is favorable to improving the filter effect of non-woven fabrics. This application has the advantage that improves non-woven fabrics filter effect.

Preferably, the side of the base layer opposite to the fluffy layer is bonded with a fiber net.

Through adopting above-mentioned technical scheme, the filterable impurity of non-woven fabrics generally drives its motion through air current or fluid, and when the non-woven fabrics was used for filtering, the setting of fibre web can reduce fluid or air current velocity of flow too fast, breaks the possibility of non-woven fabrics.

Preferably, an activated carbon layer is arranged between the fluffy layer and the base layer.

Through adopting above-mentioned technical scheme, the activated carbon layer can adsorb impurity to this filter effect that is favorable to improving the non-woven fabrics.

Preferably, the activated carbon layer is sprayed on the side of the base layer facing the fluffy layer.

Through adopting above-mentioned technical scheme, the spraying of active carbon granule exists the clearance between active carbon granule and the active carbon granule on the basic unit, and the surface area of active carbon granule is great, and is better to impurity adsorption filtration's effect. Meanwhile, the activated carbon layer has good air permeability, and air flow and fluid can easily penetrate through the non-woven fabric.

Preferably, fluffy layer has the cotton layer towards one side bonding of activated carbon layer, two edges of cotton layer towards basic unit one side width direction have the glue film of bonding respectively, the activated carbon layer is located between two glue films, the glue film bonds with the basic unit.

Through adopting above-mentioned technical scheme, the active carbon granule probably drops from the basic unit, and the cotton layer hole is less than the size of active carbon granule, so the active carbon granule that drops can't pass the cotton layer to the active carbon granule that drops can only pile up between cotton layer and basic unit, has reduced the active carbon granule and has broken away from the back, and the non-woven fabrics adsorbs the possibility that filter effect worsens.

Preferably, a gap exists between the activated carbon layer and the cotton cloth layer.

Through adopting above-mentioned technical scheme to this makes the activated carbon layer can adsorb more tiny particle impurity, and unnecessary tiny particle impurity also can pile up between activated carbon layer and cotton layer, is favorable to improving the non-woven fabrics and holds the volume of impurity.

Preferably, a plurality of bulges are bonded on one side of the cotton cloth layer facing the activated carbon layer, and the bulges are positioned between the two glue layers.

Through adopting above-mentioned technical scheme, bellied setting has reduced under the condition that the non-woven fabrics received the impact, and the cotton layer laminates with the activated carbon layer, leads to the possibility that the space that holds impurity between cotton layer and the activated carbon layer dwindles.

Preferably, a plurality of parallel's parting bead has been bonded towards one side on activated carbon layer on the cotton layer, and two parting beads are a set of, have the clearance between two parting beads of same group, the parting bead bonds in activated carbon layer, the glue film is hugged closely to the tip of parting bead, and a plurality of parting bead distributes along the length direction of non-woven fabrics.

Through adopting above-mentioned technical scheme, when operating personnel need use the non-woven fabrics to filter, can follow two parting bead of same group according to the size of product and cut out the non-woven fabrics. When the non-woven fabrics filters impurity, the setting of parting strip can reduce the possibility that the tiny particle impurity between cotton layer and the activated carbon layer spills from the non-woven fabrics side.

To sum up, the application comprises the following beneficial technical effects: set up fluffy layer and basic unit, when the non-woven fabrics filters, large granule impurity can get into and pile up in the inside of fluffy layer, and small granule impurity can get into and pile up in the inside of basic unit to this has reduced operating personnel when taking the non-woven fabrics, and large granule impurity breaks away from the possibility of non-woven fabrics, is favorable to improving the filter effect of non-woven fabrics.

Drawings

FIG. 1 is a schematic structural diagram of the present application;

fig. 2 is an exploded view of the connection relationship among the base layer, the bulky layer, the activated carbon layer and the adhesive layer in the present application.

Description of reference numerals: 1. a base layer; 2. a fluffy layer; 3. a fiber web; 4. an activated carbon layer; 5. a cotton cloth layer; 6. a glue layer; 7. a protrusion; 8. a dividing strip.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a non-woven fabrics for filtering impurity. Referring to fig. 1, the non-woven fabric for filtering foreign substances includes a base layer 1, a bulky layer 2 provided on one side of the base layer 1, and the base layer 1 and the bulky layer 2 are made of a polypropylene material.

Referring to fig. 1, the pores of the bulky layer 2 are larger than those of the base layer 1, and when the non-woven fabric is used for filtering, large particle impurities can enter and be accumulated in the inside of the bulky layer 2, and small particle impurities can enter and be accumulated in the inside of the base layer 1, so that the non-woven fabric can filter both the large particle impurities and the small particle impurities.

Referring to fig. 1 and 2, an activated carbon layer 4 is arranged between the fluffy layer 2 and the base layer 1, the activated carbon layer 4 is composed of activated carbon particles, and the activated carbon layer 4 can adsorb impurities, so that the filtering effect of the non-woven fabric is improved.

Referring to fig. 2, the activated carbon layer 4 is sprayed on one side of the base layer 1 facing the bulky layer 2, so that after the activated carbon particles are sprayed on the base layer 1, gaps exist between the activated carbon particles and the activated carbon particles, and the surface area of the activated carbon particles capable of adsorbing and filtering is large, which is beneficial to improving the adsorption and filtering effects of the activated carbon layer 4.

Referring to fig. 2, fluffy layer 2 has bonded cotton layer 5 towards one side of activated carbon layer 4, and cotton layer 5 is made by the cotton, and two edges of cotton layer 5 towards one side width direction of basic unit 1 have bonded glue film 6 respectively, and activated carbon layer 4 is located between two glue films 6, and glue film 6 bonds with basic unit 1.

Referring to fig. 2, the pores of the cotton cloth layer 5 are smaller than the particle size of the activated carbon particles, so that the activated carbon particles cannot pass through the fluffy layer 2 and only can be accumulated in the non-woven fabric after falling off from the base layer 1, which is beneficial to improving the filtering effect of the non-woven fabric.

Referring to fig. 2, there is the clearance between activated carbon layer 4 and the cotton layer 5 to this makes activated carbon layer 4 can adsorb more little granule impurity, and unnecessary little granule impurity also can pile up between activated carbon layer 4 and cotton layer 5, is favorable to improving the non-woven fabrics and holds the volume of impurity.

Referring to fig. 2, a plurality of protrusions 7 are bonded to one side of the cotton cloth layer 5 facing the activated carbon layer 4, and the protrusions 7 are located between the two glue layers 6. The setting of arch 7 makes to have the hole between activated carbon layer 4 and the cotton layer 5 all the time to this has reduced 5 laminating activated carbon layers 4 on the cotton layer, holds the possibility that impurity space reduces between cotton layer 5 and the activated carbon layer 4.

Referring to fig. 2, a plurality of parallel separation strips 8 are adhered to one side of the cotton cloth layer 5 facing the activated carbon layer 4, two separation strips 8 form a group, and a gap is formed between two separation strips 8 in the same group. The division strip 8 is adhered to the activated carbon layer 4, the end part of the division strip 8 is tightly adhered to the glue layer 6, and the division strips 8 are distributed along the length direction of the non-woven fabric.

Referring to fig. 2, when an operator filters using the nonwoven fabric, the nonwoven fabric can be cut between two separation strips 8 of the same group. When the non-woven fabrics filters impurity, the setting of parting strip 8 can reduce the possibility that the granule impurity between cotton layer 5 and activated carbon layer 4 spills from the non-woven fabrics side.

Referring to fig. 2, a fiber web 3 (see fig. 1) is bonded to the side of the base layer 1 facing away from the bulky layer 2, and the fiber web 3 protects the nonwoven fabric. The impurities filtered by the non-woven fabric generally flow along with the fluid or the air flow, and the arrangement of the fiber net 3 can reduce the possibility that the non-woven fabric is washed out due to the fact that the flow rate of the fluid or the air flow is too high, and the service life of the non-woven fabric is prolonged.

The implementation principle of the non-woven fabric for filtering impurities in the embodiment of the application is as follows: set up fluffy layer 2 and basic unit 1, when the non-woven fabrics filters, large granule impurity can get into and pile up in fluffy layer 2's inside, and little granule impurity can get into and pile up in basic unit 1's inside to this has reduced when operating personnel takes the non-woven fabrics, and large granule impurity breaks away from the possibility of non-woven fabrics. The activated carbon layer 4 can adsorb impurities, and the filtering effect of the non-woven fabric is further improved. The arrangement of the cotton layer 5 reduces the possibility that the activated carbon particles separated from the activated carbon layer 4 leak out of the non-woven fabric, resulting in the deterioration of the filtering effect of the non-woven fabric. The arrangement of the fiber net 3 protects the non-woven fabric, and the possibility that the non-woven fabric is damaged after being impacted and the effect of the non-woven fabric is deteriorated is reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A non-woven fabric for filtering impurities, comprising a base layer (1), characterized in that: one side of basic unit (1) is equipped with fluffy layer (2), the hole of fluffy layer (2) is greater than the hole of basic unit (1), be equipped with activated carbon layer (4) between fluffy layer (2) and basic unit (1), fluffy layer (2) are bonded towards one side of activated carbon layer (4) and are had cotton layer (5), two edges towards basic unit (1) one side width direction of cotton layer (5) bond respectively and have glue film (6), activated carbon layer (4) are located between two glue films (6), glue film (6) bond with basic unit (1), there is the clearance between activated carbon layer (4) and cotton layer (5), cotton layer (5) are bonded towards one side of activated carbon layer (4) and are had a plurality of arch (7), arch (7) are located between two glue films (6).

2. The non-woven fabric for filtering foreign substances according to claim 1, wherein: and a fiber net (3) is bonded on one side of the base layer (1) back to the fluffy layer (2).

3. The non-woven fabric for filtering foreign substances according to claim 1, wherein: the activated carbon layer (4) is sprayed on one side of the base layer (1) facing the fluffy layer (2).

4. The non-woven fabric for filtering foreign substances according to claim 1, wherein: cotton layer (5) bond towards one side on activated carbon layer (4) has a plurality of division strip (8) that are parallel to each other, and two division strip (8) are a set of, have the clearance between two division strip (8) with a set of, division strip (8) bond in activated carbon layer (4), glue film (6) are hugged closely to the tip of division strip (8), and the length direction of non-woven fabrics is distributed is followed to a plurality of division strip (8).