CN215512584U

CN215512584U - High-temperature-resistant industrial filter cloth

Info

Publication number: CN215512584U
Application number: CN202121139677.5U
Authority: CN
Inventors: 殷德俊
Original assignee: Jiangsu Hongwei Industrial Fabric Co ltd
Current assignee: Jiangsu Hongwei Industrial Fabric Co ltd
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2022-01-14
Anticipated expiration: 2031-05-25

Abstract

The utility model relates to high-temperature-resistant industrial filter cloth which comprises a filter cloth body, wherein the filter cloth body comprises a base cloth layer and a filter layer, a reinforcing layer is arranged between the filter layer and the base cloth layer, the reinforcing layer is a fiber net and is formed by interweaving warps and wefts, the fiber net is a mixed fiber net consisting of fibers with different fineness of 7dtex, 9dtex and 12dtex, the lower surface of the base cloth layer is connected with a felt layer, the felt layer is formed by interweaving glass fibers and ceramic fibers, the base cloth layer is of a woven net structure formed by interweaving chemical fiber monofilaments in a warp-weft mode, the filter layer is of a non-woven fabric structure formed by needling basalt fibers, and a polytetrafluoroethylene coating is arranged on the upper end surface of the filter layer. The design of the non-woven fabric structure formed by needling the polytetrafluoroethylene coating and the basalt fiber ensures that the filter cloth body has better high-temperature resistant effect when in use.

Description

High-temperature-resistant industrial filter cloth

Technical Field

The utility model relates to the technical field of filter cloth, in particular to high-temperature-resistant industrial filter cloth.

Background

The industrial filter cloth is very widely applied to industries such as smelting, chemical engineering, building materials, thermal power, waste incineration and the like, and can meet high-temperature environments in the using process, the using performance of the filter cloth can be influenced if the temperature is too high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide high-temperature-resistant industrial filter cloth to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a high temperature resistant industrial filter cloth, includes the filter cloth body, the filter cloth body includes base cloth layer and filter layer, be provided with the enhancement layer between filter layer and the base cloth layer, the enhancement layer is the fibre web, and it is interweaved by warp and weft and forms, the fibre web is the mixed fiber net that different fineness 7dtex, 9dtex, 12dtex fibre constitute, the lower surface on base cloth layer is connected with the carpet veneer, and this carpet is interweaved through glass fiber and ceramic fibre and forms, the woven mesh structure that warp and weft interweaved is done by chemical fiber monofilament to the base cloth layer, the filter layer is basalt fiber warp knitting fashioned non-woven fabrics structure, the up end of filter layer is provided with the polytetrafluoroethylene coating.

As a further scheme of the utility model: and a flame-retardant layer is arranged between the filter layer and the polytetrafluoroethylene coating.

As a still further scheme of the utility model: the flame-retardant layer comprises a magnesium hydroxide layer and an ammonium polyphosphate layer, and the ammonium polyphosphate layer is positioned on the outer side of the magnesium hydroxide layer.

As a still further scheme of the utility model: and an anticorrosive layer is arranged on the upper end surface of the polytetrafluoroethylene coating.

As a still further scheme of the utility model: the anticorrosive coating includes polyurethane layer and silica gel layer, and the silica gel layer is located the outside on polyurethane layer.

As a still further scheme of the utility model: the base cloth layer and the felt layer are connected together in a sewing mode.

As a still further scheme of the utility model: the lower surface of the felt layer is provided with a polytetrafluoroethylene coating.

Compared with the prior art, the utility model has the advantages that:

according to the utility model, the design of the non-woven fabric structure formed by needling the polytetrafluoroethylene coating and the basalt fiber enables the filter cloth body to have a better high-temperature resistant effect when in use and can be used at a higher temperature, in addition, the design of the reinforcing layer enables the filter cloth body to have higher integral strength and difficult damage and prolongs the service life of the filter cloth body, the design of the flame retardant layer and the anticorrosive layer enables the filter cloth to have more diversified functions, the flame retardant and anticorrosive performances can be further exerted when in use, and a better effect can be brought to the use of customers.

Drawings

FIG. 1 is a schematic view of the overall structure of a high temperature resistant industrial filter cloth according to the present invention;

FIG. 2 is a cross-sectional view of a felt layer according to the present invention;

FIG. 3 is a schematic view of the mating structure of the base layer and the filter layer of the present invention.

In the figure: 1. a base cloth layer; 2. a filter layer; 3. a reinforcing layer; 4. a felt layer; 5. a polytetrafluoroethylene coating; 6. a magnesium hydroxide layer; 7. an ammonium polyphosphate layer; 8. a polyurethane layer; 9. and (5) a silica gel layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

please refer to fig. 1-3 for embodiments of the present invention:

the utility model provides a high temperature resistant industrial filter cloth, includes the filter cloth body, the filter cloth body includes base cloth layer 1 and filter layer 2, be provided with enhancement layer 3 between filter layer 2 and the base cloth layer 1, enhancement layer 3 is the fibre web, and it is interweaved by warp and weft and forms, the fibre web is the mixed fiber web that different fineness 7dtex, 9dtex, 12dtex fibre are constituteed, the lower surface of base cloth layer 1 is connected with felt layer 4, and this felt layer 4 interweaves through glass fiber and ceramic fibre and forms, base cloth layer 1 is the woven wire structure that warp and weft interweaved by chemical fiber monofilament, filter layer 2 is basalt fiber warp needle punching fashioned non-woven fabrics structure, the up end of filter layer 2 is provided with polytetrafluoroethylene coating 5.

In this embodiment: and a flame-retardant layer is arranged between the filter layer 2 and the polytetrafluoroethylene coating 5. Thereby making the filter cloth body have good flame retardant effect.

In this embodiment: the flame-retardant layer comprises a magnesium hydroxide layer 6 and an ammonium polyphosphate layer 7, and the ammonium polyphosphate layer 7 is positioned on the outer side of the magnesium hydroxide layer 6. And then can better play flame retardant efficiency, has improved its practicality.

In this embodiment: and an anticorrosive layer is arranged on the upper end surface of the polytetrafluoroethylene coating 5. Thereby the filter cloth body has good anti-corrosion effect.

In this embodiment: the anticorrosive coating includes polyurethane layer 8 and silica gel layer 9, and silica gel layer 9 is located the outside of polyurethane layer 8. Further, the anticorrosion effect can be better exerted, and the practicability is improved.

In this embodiment: the base cloth layer 1 and the felt layer 4 are connected together in a sewing mode. Making its connection more secure.

In this embodiment: the lower surface of the felt layer 4 is provided with a polytetrafluoroethylene coating 5. Further improving the air permeability when resisting high temperature.

Example 2:

on the basis of embodiment 1, the filter cloth body provided by the utility model is provided with the base cloth layer 1, the filter layer 2, the reinforcing layer 3, the felt layer 4, the polytetrafluoroethylene coating 5, the flame retardant layer and the anticorrosive layer, so that the filter cloth body has good filtering effect, flame retardant effect and anticorrosive effect, in addition, the reinforcing layer is formed by interweaving warps and wefts, the fiber net is a mixed fiber net consisting of fibers with different fineness of 7dtex, 9dtex and 12dtex, the strength is higher, the strength of the integral filter cloth body is higher in use, the service life of the integral filter cloth body is prolonged, and in addition, the polytetrafluoroethylene coating 5 is designed, so that the filter cloth body has high-temperature resistance and air permeability, the porosity is large, the air permeability is good, the pressure loss and the energy consumption can be reduced, and the filter cloth body is flat and smooth.

Example 3:

on the basis of embodiment 2, the flame retardant layer provided by the utility model comprises a magnesium hydroxide layer 6 and an ammonium polyphosphate layer 7, the ammonium polyphosphate layer 7 is positioned on the outer side of the magnesium hydroxide layer 6 and can be coated on the upper end surface of the filter layer, similarly, the anti-corrosion layer comprises a polyurethane layer 8 and a silica gel layer 9, and the silica gel layer 9 is positioned on the outer side of the polyurethane layer 8 and is preferably coated on the upper end surface of the filter layer.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a high temperature resistant industrial filter cloth, includes the filter cloth body, its characterized in that, the filter cloth body includes base cloth layer and filter layer, be provided with the enhancement layer between filter layer and the base cloth layer, the enhancement layer is the fibre web, and it is interweaved by warp and weft and forms, the fibre web is the mixed fiber net that different fineness 7dtex, 9dtex, 12dtex fibre constitute, the lower surface on base cloth layer is connected with the carpet veneer, and this carpet is interweaved through glass fiber and ceramic fibre and forms, the base cloth layer is the woven wire structure that the longitude and latitude was interweaved by the chemical fiber monofilament, the filter layer is basalt fiber warp needle punching fashioned non-woven fabrics structure, the up end of filter layer is provided with the polytetrafluoroethylene coating.

2. A high temperature resistant industrial filter cloth according to claim 1, wherein: and a flame-retardant layer is arranged between the filter layer and the polytetrafluoroethylene coating.

3. A high temperature resistant industrial filter cloth according to claim 2, wherein: the flame-retardant layer comprises a magnesium hydroxide layer and an ammonium polyphosphate layer, and the ammonium polyphosphate layer is positioned on the outer side of the magnesium hydroxide layer.

4. A high temperature resistant industrial filter cloth according to claim 1, wherein: and an anticorrosive layer is arranged on the upper end surface of the polytetrafluoroethylene coating.

5. A high temperature resistant industrial filter cloth according to claim 4, wherein: the anticorrosive coating includes polyurethane layer and silica gel layer, and the silica gel layer is located the outside on polyurethane layer.

6. A high temperature resistant industrial filter cloth according to claim 1, wherein: the base cloth layer and the felt layer are connected together in a sewing mode.

7. A high temperature resistant industrial filter cloth according to claim 1, wherein: the lower surface of the felt layer is provided with a polytetrafluoroethylene coating.