CN212533527U

CN212533527U - Novel blanket base net of press part of paper machine

Info

Publication number: CN212533527U
Application number: CN202021184778.XU
Authority: CN
Inventors: 谢宗国; 戴永君; 周骏; 陈风; 周兴富
Original assignee: Vanov Paper Machine Felt Group Co ltd
Current assignee: Vanov Paper Machine Felt Group Co ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-02-12
Anticipated expiration: 2030-06-23

Abstract

The utility model discloses a novel blanket base net of a press part of a paper machine, which comprises an upper base net layer, a central base net layer and a lower base net layer, wherein the upper base net layer, the central base net layer and the lower base net layer are sequentially stacked and are fixedly bound by utilizing binding wires to perforate and bind to form the blanket base net, the structural form of the upper base net layer is the same as that of the lower base net layer, the upper base net layer is vertically arranged by a plurality of warps and a plurality of wefts, and binding wire perforations positioned on the central base net layer are correspondingly arranged under each intersection point between the warps and the wefts, the blanket base net of the press part of the paper machine adopts a three-layer design, has stronger pressure resistance, utilizes the binding wires to fix the top textile layer and the lower textile layer in a perforation way, can effectively avoid shearing force between the warps and the wefts, is provided with corresponding drainage meshes on the central base net, and can greatly improve the drainage effect of the whole blanket, the degree of opening is big, and whole pore volume improves the dehydration volume of wet paper, and the efficiency is higher more thorough when squeezing.

Description

Novel blanket base net of press part of paper machine

Technical Field

The utility model relates to a papermaking felt technical field especially relates to a novel paper machine press section woollen blanket base net.

Background

Papermaking felts can be classified into wet felts, upper felts and dry felts according to the location on the papermaking machine. The wet felt is run on the paper machine with water and functions to press the paper web to dewater it and smooth the paper surface. The wet blanket has good drainability and elasticity, high strength, small shrinkage, wear resistance, bacteria resistance, acid and alkali corrosion resistance. The upper blanket is used above the wet blanket, and a small part of the upper blanket contacts with the drying cylinder to play roles in drawing, flattening and drying, and has the performances of flatness, stiffness, good elasticity, wear resistance and high temperature resistance. The dry blanket covers the drying cylinder, runs in a damp and hot and dry state, plays a role in ironing and drying paper, and has the performances of firmness, good elasticity, wear resistance and high temperature resistance. The dry carpet can also be replaced by canvas or a breathable fabric woven with polyester filament yarns.

Base wire cloth is indispensable among the papermaking felt, now provide a novel paper machine press portion woollen blanket base net, adopt the three-layer design, compressive capacity is stronger, utilize the binding wire with top textile layer and lower part textile layer, realize fixedly through fenestrate mode, can effectually avoid the shearing force between warp and the woof, and the center base is netted and is equipped with corresponding drainage mesh, can improve the drainage effect of whole woollen blanket greatly, the trompil degree is big, whole pore volume, improve the dehydration volume of wet paper, the efficiency is higher more thorough squeezing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel paper machine press section woollen blanket base net to solve the problem that proposes among the above-mentioned background art.

The utility model aims at realizing through the following technical scheme: the novel felt base net for the press part of the paper machine comprises an upper base net layer, a central base net layer and a lower base net layer, wherein the upper base net layer, the central base net layer and the lower base net layer are sequentially stacked and are bound and fixed through binding wire perforation to form the felt base net, the structural form of the upper base net layer is the same as that of the lower base net layer, the upper base net layer is formed by vertically arranging a plurality of warp yarns and a plurality of weft yarns, binding wire perforation holes located on the central base net layer are correspondingly arranged below each intersection point between the warp yarns and the weft yarns, and the binding wires penetrate through the binding wire perforation holes to bind and fix a warp and weft intersection point of the upper base net layer and a warp and weft intersection point corresponding to the lower base net layer, so that the whole felt base net is fixed.

The utility model discloses in, arbitrary two liang crossing all correspond between woof and the warp and be equipped with the drainage mesh, drainage mesh evenly distributed is on central basal lamina layer.

In the utility model, the central base net layer and the binding wire are both made of polyamide materials.

In the utility model, the binding thread or the water-soluble fiber is made.

In the utility model, two surfaces of the blanket base net are respectively attached with a woolen net, and the woolen net is connected with the base net into one through a needling mode.

Compared with the prior art, the beneficial effects of the utility model are that the utility model relates to a novel paper machine press portion woollen blanket base net adopts the three-layer design, and compressive capacity is stronger, utilizes the binding wire with top weaving layer and lower part weaving layer, realizes fixedly through fenestrate mode, can effectually avoid the shearing force between warp and the woof, and be equipped with the drainage mesh that corresponds on the central base net, can improve the drainage effect of whole woollen blanket greatly, and the trompil degree is big, whole pore volume improves the dehydration volume of wet paper, and the efficiency is higher more thorough squeezing.

Drawings

FIG. 1 is an overall view of the base felt of a press section of a novel papermaking machine of the present invention;

FIG. 2 is an overall elevation view of a novel felt base web of the press section of a paper machine of the present invention;

FIG. 3 is a diagram of a central base layer structure of a felt base web of a press section of a novel papermaking machine of the present invention;

in the figure: 1. an upper base net layer 11, warp yarns 12, weft yarns 2, a central base net layer 21, drainage meshes 22, binding perforations 3, a lower base net layer 4 and binding threads.

Detailed Description

The technical solution 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 some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

As shown in fig. 1-3, the utility model discloses a novel paper machine press section woollen blanket base net, including last base screen layer 1, central base screen layer 2 and lower base screen layer 3, go up base screen layer 1, central base screen layer 2 and lower base screen layer 3 and stack in proper order and utilize binding line 4 to perforate to bind fixedly and constitute woollen blanket base screen, wherein go up base screen layer 1 and the structural style of lower base screen layer 3 the same, go up base screen layer 1 and comprise many warp yarns 11 and many woofs 12 vertical arrangement, and all correspond under each crosspoint between warp yarn 11 and woofs 12 and be equipped with the binding line perforation 22 that is located on central base screen layer 2, binding line 4 passes along each binding line perforation 22 and binds and fix a woof crosspoint of last base screen layer 1 and the longitude and latitude line crosspoint that lower base screen layer 3 corresponds to realize the fixed of whole woollen blanket base screen.

The utility model discloses, arbitrary two liang crossing all correspond between woof 12 and the warp 11 and be equipped with drainage mesh 21, drainage mesh 21 evenly distributed is on central basic network layer 2.

The utility model discloses, center basic screen layer 2 and binding wire 4 all adopt polyamide material to make, and this material has good compressive capacity.

The utility model discloses, binding wire 4 or make for water-soluble fiber, further guarantee holistic joint strength.

The utility model discloses, two surfaces of woollen blanket base net are attached to the hair net respectively, and this hair net is connected through the mode of acupuncture and base net and is one.

The utility model discloses a novel paper machine press section woollen blanket base net adopts the three-layer design, and compressive capacity is stronger, utilizes the binding wire with top textile layer and lower part textile layer, realizes fixedly through fenestrate mode, can effectually avoid the shearing force between warp and the woof, and is equipped with the drainage mesh that corresponds on the central base net, can improve the drainage effect of whole woollen blanket greatly, and the trompil degree is big, and whole pore volume improves the dehydration volume of wet paper, and is squeezing the higher more thorough of efficiency.

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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A new felt base web for the press section of a paper machine, comprising an upper base web layer (1), a central base web layer (2) and a lower base web layer (3), characterized in that: the upper base net layer (1), the central base net layer (2) and the lower base net layer (3) are sequentially stacked and are bound and fixed through the perforation of the binding thread (4) to form a blanket base net, wherein the structural form of the upper base net layer (1) and the structural form of the lower base net layer (3) are the same, the upper base net layer (1) is formed by vertically arranging a plurality of warp yarns (11) and a plurality of weft yarns (12), the binding thread perforation (22) positioned on the central base net layer (2) is correspondingly arranged below each intersection point between the warp yarns (11) and the weft yarns (12), and the binding thread (4) penetrates through the binding thread perforation (22) to bind and fix a warp and weft intersection point of the upper base net layer (1) and a warp and weft intersection point corresponding to the lower base net layer (3), so that the whole blanket base net is fixed.

2. A new papermakers' press section base felt according to claim 1, further comprising: drainage meshes (21) are correspondingly arranged between any two crossed weft yarns (12) and warp yarns (11), and the drainage meshes (21) are uniformly distributed on the central base net layer (2).

3. A new papermakers' press section base felt according to claim 1, further comprising: the central base net layer (2) and the binding wires (4) are both made of polyamide materials.

4. A new papermakers' press section base felt according to claim 1, further comprising: the binding thread (4) is made of water-soluble fiber.

5. A new papermakers' press section base felt according to claim 1, further comprising: the two surfaces of the blanket base net are respectively attached with a hair net which is connected with the base net into a whole in a needling mode.