CN209752401U - Anti-static needled felt - Google Patents

Abstract

The utility model provides a prevent static acupuncture felt, concretely relates to acupuncture felt technical field, including the base cloth, base cloth upper surface and lower surface are equipped with first fibrous layer and second fibrous layer respectively, the upper surface of first fibrous layer is equipped with antistatic backing, antistatic backing first fibrous layer the base cloth and it crosses filter hole, a plurality of second filtration hole and a plurality of fourth filtration hole to be equipped with a plurality of first filtration holes, a plurality of second on the second fibrous layer respectively, first filtration hole the second crosses the filter hole the third cross the filter hole and the fourth crosses filter hole one-to-one and is linked together and form filtration passageway, the interior circumferencial direction equidistance of filtration passageway is equipped with a plurality of conductor wires, the conductor wire runs through filtration passageway. The utility model discloses be equipped with antistatic backing and run through the conductor wire of filtration passageway for the whole antistatic needle felt all has the static effect of getting rid of with the position that has the air current contact of dust, avoids producing static, and antistatic effect is good.

Description

Anti-static needled felt

Technical Field

The utility model belongs to the technical field of the acupuncture felt, concretely relates to prevent static acupuncture felt.

Background

At present, with the increasing environmental protection importance of the country and the increasing environmental protection requirements of enterprises, many technologies for removing dust and waste gas have appeared, of which the bag type dust collector is a typical representative. The filter bag in the bag type dust collector is generally made of needle felt, the needle felt is a product which is manufactured by adopting a non-woven needle punching process, utilizing fine fiber cloth with fibers which are arranged in a staggered mode and uniformly distributed in gaps, and carrying out hot rolling, singeing or coating treatment and the like. However, in general, industrial dust treatment can collide with a filter bag to generate heat and generate static electricity, and when the dust concentration reaches a certain degree, explosion and fire are easily caused when static electricity is discharged, but the common needle felt in the market has poor anti-static effect.

Therefore, an anti-static needled felt capable of solving the existing problems is urgently needed.

SUMMERY OF THE UTILITY MODEL

the utility model aims at providing a prevent static acupuncture felt is equipped with antistatic backing and runs through the conductor wire of filtration passageway for the whole static acupuncture felt of preventing all gets rid of the static effect with the position that has the air current contact of dust, avoids producing static, prevents that static is effectual.

The utility model provides a following technical scheme:

The utility model provides an anti-static needled felt, includes the base cloth, base cloth upper surface and lower surface are equipped with first fibrous layer and second fibrous layer respectively, the upper surface on first fibrous layer is equipped with the antistatic backing, the antistatic backing first fibrous layer base cloth and be equipped with a plurality of first filtration holes, a plurality of second filtration holes, a plurality of third filtration holes and a plurality of fourth filtration holes on the second fibrous layer respectively, first filtration hole, the second filtration hole, the third filtration hole and the fourth filtration hole one-to-one is linked together and forms the filtration passageway, the interior circumferential equidistance of filtration passageway is equipped with a plurality of conductor wires, the conductor wire runs through the filtration passageway.

Preferably, the upper surface of the anti-static layer is provided with a high temperature resistant layer, the high temperature resistant layer is made of a polytetrafluoroethylene coating, and the high temperature resistant layer is provided with a through hole communicated with the first filtering hole.

Preferably, one end of the conductive wire is fixed on the upper surface of the high temperature resistant layer through the filtering channel and forms a protrusion outwards.

Preferably, the base cloth, the first fiber layer and the second fiber layer are woven by warps and wefts, the warps and the wefts are in cross connection, the warps and the wefts are connected to form filtering holes, and the filtering holes are the second filtering holes, the third filtering holes or the third filtering holes.

Preferably, in the base fabric, the warp and the weft are both composed of polytetrafluoroethylene fiber units, and in the first fiber layer and the second fiber layer, the warp and the weft are both composed of mixed fiber units; the polytetrafluoroethylene fiber unit is formed by spirally winding a plurality of strands of polytetrafluoroethylene fiber yarns, the mixed fiber unit is formed by spirally winding a plurality of strands of polytetrafluoroethylene fiber yarns and a plurality of strands of bamboo fiber yarns, and the polytetrafluoroethylene fiber yarns and the bamboo fiber yarns are identical in number.

preferably, the antistatic layer is a conductive metal mesh or an antistatic coating.

Preferably, there are 1, 2 or 3 of said electrically conductive wires in one of said filter channels.

The utility model has the advantages that:

Be equipped with antistatic backing and the conductor wire that runs through filtering channel for the whole antistatic needle felt all has the static effect of getting rid of with the position that has the air current contact of dust, avoids producing static, and antistatic effect is good.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic diagram of the structure of the filtration channel of the present invention;

FIG. 3 is a schematic structural view of a hybrid fiber unit of the present invention;

FIG. 4 is a schematic structural view of a polytetrafluoroethylene fiber unit of the present invention;

Fig. 5 is an enlarged view of the knitting of the base fabric.

Wherein the figures are labeled: 1. a base cloth; 2. a first fibrous layer; 3. a second fibrous layer; 4. an antistatic layer; 5. a first filtering hole; 6. a second filtering hole; 7. a third filtering hole; 8. a fourth filtering hole; 9. a conductive wire; 10. a high temperature resistant layer; 11. a protrusion; 12. bamboo fiber; 13. polytetrafluoroethylene fiber filaments.

Detailed Description

as shown in fig. 1-5, an anti-static needled felt comprises a base cloth 1, wherein a first fiber layer 2 and a second fiber layer 3 are respectively arranged on the upper surface and the lower surface of the base cloth 1, an anti-static layer 4 is arranged on the upper surface of the first fiber layer 2, a plurality of first filtering holes 5, a plurality of second filtering holes 6, a plurality of third filtering holes 7 and a plurality of fourth filtering holes 8 are respectively arranged on the anti-static layer 4, the first fiber layer 2, the base cloth 1 and the second fiber layer 3, the first filtering holes 5, the second filtering holes 6, the third filtering holes 7 and the fourth filtering holes 8 are communicated with each other in a one-to-one correspondence manner to form a filtering channel, a plurality of conductive wires 9 are arranged in the filtering channel at equal intervals in the circumferential direction, and the conductive wires 9 penetrate through the filtering channel. When the anti-static needled felt is made into a filter bag, dust-containing gas firstly collides with the anti-static layer 4, then sequentially passes through the first filtering hole 5, the second filtering hole 6, the third filtering hole 7 and the fourth filtering hole 8, static electricity generated by collision with the anti-static layer 4 is eliminated through the anti-static layer 4, and the static electricity generated by collision with the inner wall in the process of passing through the first filtering hole 5, the second filtering hole 6, the third filtering hole 7 and the fourth filtering hole 8 is released through the conducting wire 9.

Specifically, the upper surface of the anti-static layer 4 is provided with a high temperature resistant layer 10, the high temperature resistant layer 10 is made of a polytetrafluoroethylene coating, and the high temperature resistant layer 10 is provided with a through hole communicated with the first filtering hole 5. When the flue gas is treated, the temperature of the flue gas can be endured, and the service life is prolonged.

specifically, one end of the conductive wire 9 is fixed on the upper surface of the high temperature resistant layer 10 through the filter passage and forms a protrusion 11 outward. The protrusions 11 are conductive and can remove static electricity, thereby forming an antistatic effect on the surface of the high temperature resistant layer 10.

Specifically, base cloth 1, first fibrous layer 2 and second fibrous layer 3 are woven by warp and weft and are formed, warp and weft cross connection, and warp and weft connect and form the filtration hole, and the filtration hole is second filtration hole 6, third filtration hole 7 or fourth filtration hole 8.

Specifically, in the base fabric 1, both the warp and the weft are composed of polytetrafluoroethylene fiber units, and in the first fiber layer 2 and the second fiber layer 3, both the warp and the weft are composed of mixed fiber units; the polytetrafluoroethylene fiber unit is formed by the spiral winding of stranded polytetrafluoroethylene cellosilk 13, and the mixed fiber unit is formed by the spiral winding of a plurality of strands of polytetrafluoroethylene cellosilk 13 and a plurality of strands of bamboo cellosilk 12, and polytetrafluoroethylene cellosilk 13 is the same with bamboo cellosilk 12 quantity. Bamboo fiber is cellulose fiber extracted from naturally growing bamboo, and the fifth most natural fiber is cotton, hemp, wool and silk. The bamboo fiber has the characteristics of good air permeability, instant water absorption, strong wear resistance, good dyeing property and the like, and has the functions of natural antibiosis, bacteriostasis, mite removal, deodorization and ultraviolet resistance. The anti-static needled felt can be increased, and the storage time is prolonged to prevent the felt from mildewing.

Specifically, the antistatic layer 4 is a conductive metal mesh or an antistatic coating. For the conductive metal mesh, the mesh-to-mesh holes form the first filtering holes 5, and for the antistatic coating, the first filtering holes 5 need to be punched.

Specifically, there are 1, 2 or 3 electrically conductive wires 9 in one filtration channel.

although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides an anti-static needled felt, its characterized in that includes the base cloth, base cloth upper surface and lower surface are equipped with first fibrous layer and second fibrous layer respectively, the upper surface of first fibrous layer is equipped with the antistatic backing, the antistatic backing first fibrous layer base cloth and be equipped with a plurality of first filtration holes, a plurality of second filtration holes, a plurality of third filtration holes and a plurality of fourth filtration holes on the second fibrous layer respectively, first filtration hole the second filters the hole the third filtration hole and the fourth filtration hole one-to-one is linked together and forms filtration passageway, the internal circumferential equidistance of filtration passageway is equipped with a plurality of conductor wires, the conductor wire runs through filtration passageway.

2. The anti-static needled felt according to claim 1, wherein a high temperature resistant layer is arranged on the upper surface of the anti-static layer, the high temperature resistant layer is made of a polytetrafluoroethylene coating, and through holes communicated with the first filtering holes are formed in the high temperature resistant layer.

3. The anti-static needled felt according to claim 2, wherein one end of the conductive wire is fixed on the upper surface of the high temperature resistant layer through the filtering channel and is protruded outwards.

4. The anti-static needled felt according to claim 1, wherein the base fabric, the first fiber layer and the second fiber layer are woven from warp and weft, the warp and the weft are cross-connected, and the warp and the weft are connected to form filtering holes, and the filtering holes are the second filtering holes, the third filtering holes or the fourth filtering holes.

5. The antistatic needled felt according to claim 4, wherein in the base fabric, the warp and the weft are both comprised of polytetrafluoroethylene fiber units, and in the first fiber layer and the second fiber layer, the warp and the weft are both comprised of mixed fiber units; the polytetrafluoroethylene fiber unit is formed by spirally winding a plurality of strands of polytetrafluoroethylene fiber yarns, the mixed fiber unit is formed by spirally winding a plurality of strands of polytetrafluoroethylene fiber yarns and a plurality of strands of bamboo fiber yarns, and the polytetrafluoroethylene fiber yarns and the bamboo fiber yarns are identical in number.

6. The anti-static needled felt according to claim 1, wherein said anti-static layer is a conductive metal mesh or an anti-static coating.

7. The antistatic needled felt according to claim 1, wherein there are 1, 2 or 3 said electrically conductive wires in one said filtration channel.