CN216149225U - Acid and alkali resistant polypropylene twill filter cloth - Google Patents

Abstract

The utility model discloses acid and alkali resistant polypropylene twill filter cloth which comprises a filter cloth body, wherein a sewing cloth edge is woven on the periphery of the filter cloth body, a reinforcing cloth layer is sewn at the corner of the filter cloth body, a first binding piece is arranged on the upper surface of the reinforcing cloth layer, and a second binding piece is arranged on the lower surface of the first binding piece, which corresponds to the reinforcing cloth layer; this acid and alkali-resistance polypropylene fibre twill filter cloth is through setting up polypropylene fibre warp direction long filament, polypropylene fibre latitudinal direction long filament, toughness fibre layer and elastic fiber silk, interweave through upper and lower twill by polypropylene fibre warp direction long filament and polypropylene fibre latitudinal direction long filament and weave into the filter cloth body, then can let its filter cloth body possess comprehensive filterable screening effect, simultaneously and cooperate elastic fiber silk and polyester fiber silk spiral to weave the toughness fibre layer that makes, with this can further improve the toughness coefficient that polypropylene fibre warp direction long filament and polypropylene fibre latitudinal direction long filament were woven to the twill, can avoid filter cloth body draft and cause the fracture between the fibre.

Description

Acid and alkali resistant polypropylene twill filter cloth

Technical Field

The utility model relates to the technical field of filter cloth, in particular to acid and alkali resistant polypropylene twill filter cloth.

Background

The filter cloth mainly includes: dacron filter cloth, polypropylene fiber filter cloth, polyamide fiber filter cloth, vinylon fiber filter cloth. The material performance of the filter cloth is as follows: good acid resistance, weak alkali resistance, wear resistance, corrosion resistance, recoverability and poor conductivity. The product has the advantages of common felt filter cloth, good wear resistance and high cost performance, and can be used as felt filter material with the largest usage amount. The polypropylene filter cloth has good filtering effect.

The prior art has the following defects or problems:

1. the existing polypropylene filter cloth has the performances of acid resistance, weak alkali resistance, wear resistance and corrosion resistance, the elasticity coefficient of the fiber is not high, so that the filtering precision is influenced, and the fiber is easy to break due to stretching;

2. in addition, in the use process of the existing filter cloth, the corners of the filter cloth are connected, and the penetration part of the fiber connection is easy to deform due to the uneven connection stress, so that the separation of the connecting piece is caused, and the stability of the installation position of the filter cloth is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide acid and alkali resistant polypropylene twill filter cloth aiming at the defects of the prior art and solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: acid and alkali-resistant polypropylene fibre twill filter cloth, including the filter cloth body, the cloth edge of sewing up has been woven to the periphery of filter cloth body, the reinforcing fabric layer has been sewed up to the corner of filter cloth body, the upper surface on reinforcing fabric layer is provided with the first piece of binding, the first lower surface that binds the piece and correspond the reinforcing fabric layer is provided with the second and binds the piece, the filter cloth body includes polypropylene fibre warp direction long filament, polypropylene fibre warp direction long filament's woven polypropylene fibre latitudinal direction long filament about the surface, the toughness fibre layer has been woven between the surface of polypropylene fibre warp direction long filament and polypropylene fibre latitudinal direction long filament.

In a preferred embodiment of the present invention, the flexible fiber layer includes elastic fiber yarns, polyester fiber yarns are mixed and woven outside the elastic fiber yarns, the number of the elastic fiber yarns is the same as the number of the polyester fiber yarns, and the elastic fiber yarns and the polyester fiber yarns are spirally woven to form the flexible fiber layer.

According to the preferred technical scheme, the fineness of the polypropylene warp filaments and the fineness of the polypropylene weft filaments are both 1000D, and the polypropylene warp filaments and the polypropylene weft filaments are interwoven through upper and lower twill yarns to weave the filter cloth body.

In a preferred embodiment of the present invention, the reinforcing fabric layer is in a fan shape, and the reinforcing fabric layer is formed by interweaving nylon fibers.

As a preferred technical scheme of the present invention, the first binding member and the second binding member are both in a hollow double-truncated cone shape, and the first binding member is detachably connected to the second binding member through a reinforcing fabric layer.

As a preferred technical scheme of the present invention, a positioning column is fixedly connected to an upper surface of the second binding member, a top end of the positioning column penetrates through the reinforcing fabric layer and extends to an inner side of the first binding member, a positioning groove having a diameter similar to a size of the positioning column is formed in the inner side of the first binding member, and the positioning column is in interference fit with the positioning groove.

Compared with the prior art, the acid and alkali resistant polypropylene twill filter cloth provided by the utility model has the following beneficial effects:

1. according to the acid and alkali resistant polypropylene twill filter cloth, the polypropylene warp filaments, the polypropylene weft filaments, the tough fiber layer and the elastic fiber filaments are arranged, the titer of the polypropylene warp filaments and the titer of the polypropylene weft filaments are 1000D, and the polypropylene warp filaments and the polypropylene weft filaments are interwoven through the upper twill and the lower twill to form the filter cloth body, so that the filter cloth body has a screening effect of comprehensive filtration;

2. this acid and alkali-resistant polypropylene fibre twill filter cloth, through setting up the enhancement cloth layer, first bind the piece, piece and reference column are bound to the second, utilize the enhancement cloth layer to interweave the fan-shaped structure of weaving the system by nylon fiber, can get off the intensity of being connected between guarantee and the filter cloth body at the fiber strength who improves enhancement cloth layer self, so that utilize reference column and constant head tank interference fit, can be convenient for first bind the piece and bind the piece with the second and carry out symmetrical lock to its enhancement cloth layer, then bind the double round platform form that the piece is the fretwork according to first binding piece and second, can be convenient for bind the piece through first binding piece and second and carry out the installation of position to its filter cloth body, with this homogeneity that can improve the draft and connect the atress, the breaking away from of connecting piece has been avoided, the stability in use of filter cloth body mounted position is higher.

Drawings

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

FIG. 2 is a perspective view of a first binding member coupled to a second binding member in accordance with the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 1 according to the present invention.

In the figure: 1. a filter cloth body; 2. sewing the selvedge; 3. a reinforcing cloth layer; 4. a first binding member; 5. a second binding member; 6. a positioning column; 7. polypropylene warp filaments; 8. polypropylene weft filaments; 9. a layer of tough fibers; 10. elastic fiber yarn; 11. and (3) polyester fiber yarns.

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.

Referring to fig. 1-3, in this embodiment: acid and alkali-resistant polypropylene fibre twill filter cloth, including filter cloth body 1, filter cloth body 1's periphery is woven and is had the selvedge 2 of sewing up, filter cloth body 1's corner has been sewed up and has been sewed up reinforcing fabric layer 3, reinforcing fabric layer 3's upper surface is provided with first binding 4, the lower surface that first binding 4 corresponds reinforcing fabric layer 3 is provided with second binding 5, filter cloth body 1 includes polypropylene fibre warp direction long filament 7, polypropylene fibre weft direction long filament 8 has been woven from top to bottom to the surface of polypropylene fibre warp direction long filament 7, it has toughness fibre layer 9 to weave between the surface of polypropylene fibre warp direction long filament 7 and polypropylene fibre weft direction long filament 8.

In this embodiment, the flexible fiber layer 9 includes an elastic fiber filament 10, a polyester fiber filament 11 is mixed and woven outside the elastic fiber filament 10, the number of fibers of the elastic fiber filament 10 is the same as that of the polyester fiber filament 11, and the elastic fiber filament 10 and the polyester fiber filament 11 are spirally woven to form the flexible fiber layer 9; the tough fiber layer 9 made by matching the elastic fiber yarn 10 and the polyester fiber yarn 11 in a spiral weaving mode utilizes the good wrinkle resistance and shape retention of the polyester fiber yarn 11 and the good elasticity and toughness of the elastic fiber yarn 10, so that the toughness coefficients of the warp polypropylene filament yarns 7 and the weft polypropylene filament yarns 8 woven by twill can be further improved, and the breakage of fibers caused by the drafting of the filter cloth body 1 is avoided. The titer of the polypropylene warp filaments 7 and the titer of the polypropylene weft filaments 8 are both 1000D, and the polypropylene warp filaments 7 and the polypropylene weft filaments 8 are interwoven into the filter cloth body 1 through upper and lower twill; because the titer of polypropylene warp direction long filament 7 and polypropylene latitudinal direction long filament 8 is 1000D, and polypropylene warp direction long filament 7 and polypropylene latitudinal direction long filament 8 interweaves through upper and lower twill and weaves into filter cloth body 1, then can let its filter cloth body 1 possess comprehensive filterable screening effect. The shape of the reinforcing cloth layer 3 is fan-shaped, and the reinforcing cloth layer 3 is made by interweaving and weaving nylon fibers; utilize the fan-shaped structure that reinforcing cloth layer 3 was woven by nylon fiber interweaving, can improve reinforcing cloth layer 3 self fibre intensity and get off the intensity of being connected between guarantee and the filter cloth body 1. The first binding piece 4 and the second binding piece 5 are both in a hollow double-truncated-cone shape, and the first binding piece 4 is detachably connected with the second binding piece 5 through the reinforcing cloth layer 3; the upper surface of the second binding piece 5 is fixedly connected with a positioning column 6, the top end of the positioning column 6 penetrates through the reinforcing cloth layer 3 and extends to the inner side of the first binding piece 4, a positioning groove which is matched with the positioning column 6 in diameter and size in a similar mode is formed in the inner side of the first binding piece 4, and the positioning column 6 is in interference fit with the positioning groove; by means of interference fit of the positioning column 6 and the positioning groove, the first binding piece 4 and the second binding piece 5 can be conveniently and symmetrically buckled on the reinforcing cloth layer 3, and the filter cloth body 1 can be conveniently installed in a position through the first binding piece 4 and the second binding piece 5 according to the hollow double-truncated-cone shape of the first binding piece 4 and the second binding piece 5.

The working principle and the using process of the utility model are as follows: firstly, the titer of the polypropylene warp filaments 7 and the titer of the polypropylene weft filaments 8 are both 1000D, and the polypropylene warp filaments 7 and the polypropylene weft filaments 8 are interwoven into the filter cloth body 1 through upper and lower twill, so that the filter cloth body 1 has a comprehensive filtering screening effect, and meanwhile, the elastic fiber yarns 10 and the polyester fiber yarns 11 are matched to be spirally woven to form the tough fiber layer 9, and the polyester fiber yarns 11 have good wrinkle resistance and shape retention, and the elastic fiber yarns 10 have good elasticity and toughness, so that the toughness coefficients of the polypropylene warp filaments 7 and the polypropylene weft filaments 8 woven by the twill can be further improved, and the breakage among fibers caused by drafting of the filter cloth body 1 is avoided; then, the fan-shaped structure formed by interweaving and weaving nylon fibers on the reinforcing cloth layer 3 is utilized, the strength of connection between the reinforcing cloth layer 3 and the filter cloth body 1 can be guaranteed by improving the fiber strength of the reinforcing cloth layer 3, so that the positioning column 6 and the positioning groove are in interference fit, the first binding piece 4 and the second binding piece 5 can be used for symmetrically buckling the reinforcing cloth layer 3, the filter cloth body 1 can be conveniently installed in position through the first binding piece 4 and the second binding piece 5 according to the hollow double-round platform shape of the first binding piece 4 and the second binding piece 5, the uniformity of drawing connection stress can be improved, the separation of connecting pieces is avoided, and the use stability of the installation position of the filter cloth body 1 is high.

Finally, it should be noted that: 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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. 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 (6)

1. Acid and alkali-resistant polypropylene twill filter cloth is characterized in that: including filter cloth body (1), the periphery of filter cloth body (1) is woven and is sewed up selvedge (2), the corner of filter cloth body (1) is sewed up and is had reinforcement cloth layer (3), the upper surface of reinforcement cloth layer (3) is provided with first binding (4), the lower surface that first binding (4) correspond reinforcement cloth layer (3) is provided with the second and binds piece (5), filter cloth body (1) includes polypropylene fibre warp-wise filament (7), polypropylene fibre weft-wise filament (8) have been woven to the polypropylene fibre warp-wise filament (7) from top to bottom on the surface, toughness fibrous layer (9) have been woven between the surface of polypropylene fibre warp-wise filament (7) and polypropylene fibre weft-wise filament (8).

2. The acid and alkali resistant polypropylene twill filter cloth according to claim 1, which is characterized in that: the tough fiber layer (9) comprises elastic fiber yarns (10), polyester fiber yarns (11) are woven on the outer sides of the elastic fiber yarns (10) in a mixed mode, the fiber numbers of the elastic fiber yarns (10) and the polyester fiber yarns (11) are the same, and the elastic fiber yarns (10) and the polyester fiber yarns (11) are woven in a spiral mode to form the tough fiber layer (9).

3. The acid and alkali resistant polypropylene twill filter cloth according to claim 1, which is characterized in that: the titer of the polypropylene warp filaments (7) and the titer of the polypropylene weft filaments (8) are both 1000D, and the polypropylene warp filaments (7) and the polypropylene weft filaments (8) are interwoven into the filter cloth body (1) through upper and lower twill interweaving.

4. The acid and alkali resistant polypropylene twill filter cloth according to claim 1, which is characterized in that: the shape of the reinforcing cloth layer (3) is fan-shaped, and the reinforcing cloth layer (3) is made of nylon fibers through interweaving and weaving.

5. The acid and alkali resistant polypropylene twill filter cloth according to claim 1, which is characterized in that: the first binding piece (4) and the second binding piece (5) are both in a hollow double-truncated-cone shape, and the first binding piece (4) is detachably connected with the second binding piece (5) through the reinforcing cloth layer (3).

6. The acid and alkali resistant polypropylene twill filter cloth according to claim 1, which is characterized in that: the last fixed surface of second binding (5) is connected with reference column (6), the top of reference column (6) is run through enhancement cloth layer (3) and is extended to the inboard of first binding (4), the constant head tank that matches with reference column (6) diameter size is seted up to the inboard of first binding (4), reference column (6) and constant head tank interference fit.

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