CN111364276A - W-shaped binding mode for papermaking forming net - Google Patents
W-shaped binding mode for papermaking forming net Download PDFInfo
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- CN111364276A CN111364276A CN202010195501.5A CN202010195501A CN111364276A CN 111364276 A CN111364276 A CN 111364276A CN 202010195501 A CN202010195501 A CN 202010195501A CN 111364276 A CN111364276 A CN 111364276A
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- layer
- warp
- binding
- surface layer
- bottom layer
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/0027—Screen-cloths
- D21F1/0036—Multi-layer screen-cloths
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D11/00—Double or multi-ply fabrics not otherwise provided for
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
Abstract
The invention relates to the technical field of papermaking forming nets, in particular to a W-shaped binding mode for a papermaking forming net, which comprises the following steps: s1, the papermaking forming net comprises a surface layer, a bottom layer and binding wires, wherein the surface layer is of a plain weave structure formed by alternately interweaving surface layer warps and surface layer wefts, the bottom layer is of a satin weave structure formed by alternately interweaving bottom layer warps and bottom layer wefts, the binding wires are connected with the surface layer and the bottom layer in a weft direction, and then one repeating unit on the papermaking forming net is selected; s2, numbering the surface layer radial lines and the bottom layer radial lines from left to right in sequence; s3, circularly weaving the binding wires by firstly picking one bottom warp and then pressing one bottom warp, then picking one bottom warp, then spacing one bottom warp position above the binding wires to the right and pressing one bottom warp, then picking one surface warp and then pressing one surface warp; the thickness of the net is reduced by the staggered close contact of the upper layer line and the lower layer line; slow down the rapid loss of water and improve the retention rate of the papermaking filler.
Description
Technical Field
The invention relates to the field of papermaking forming nets, in particular to a W-shaped binding mode for a papermaking forming net.
Background
Papermaking forming wires are important equipment on a paper machine, and are paper sheet forming and dewatering devices on the paper machine that dewater a pulp suspension from a headbox and run the paper web to subsequent processing. In order to prolong the service life of the forming net, nylon monofilaments with better wear resistance are added into weft threads at intervals for weaving.
As disclosed in the patent application No. 201680000775.6, a weft self-binding forming net comprises a surface layer, a bottom layer and connecting wires, wherein the surface layer is a plain structure formed by alternately interweaving surface warps and surface wefts, the bottom layer is a satin structure formed by alternately interweaving bottom warps and bottom wefts, and the connecting wires are arranged in pairs and connect the surface layer and the bottom layer in the weft direction, as shown in fig. 9. The connecting lines are regularly interwoven in the upper layer of net and the lower layer of net, so that the upper layer of net and the lower layer of net are connected into a whole, relative twisting and slippage are not generated, and internal abrasion is eliminated; the mesh size of the forming net is uniform, the paper forming quality is high, the internal abrasion of the three-layer net can be prevented, and the service life is longer; patent application No. 201910910984.X discloses a method for manufacturing a bottom layer large-span forming net, as shown in fig. 10, the forming net comprises a surface net and a bottom net which are formed by weaving radial lines and weft lines in a staggered manner, the surface net and the bottom net are connected and compounded through connecting lines, the surface net adopts an 1/1 plain weave structure, the bottom net adopts a 10 harness satin weave structure, the number ratio of the radial lines of the surface net to the radial lines of the bottom net is 1:1, the number ratio of the weft lines of the surface net to the wear-resistant connecting lines to the weft lines of the bottom net is 4:1, and the number ratio of the weft lines of the surface net to the weft lines of the bottom net is 2: 1; wherein, 8 adjacent bottom net warp threads press bottom net weft threads. Compared with the prior art, the supporting and retaining effects of the forming net on the waste paper short fibers are obviously improved, the specifications of bottom surface weft threads and warp threads and the weaving method are reasonably arranged, and the contact area of the forming net and a panel of a paper machine is increased, so that the wear resistance is improved; the patent application No. 201680000773.7 discloses a warp self-binding forming net, as shown in fig. 11, comprising a surface layer, a bottom layer and connecting lines, wherein the surface layer is a plain structure alternately interwoven by surface warps and surface wefts, the bottom layer is a satin structure alternately interwoven by bottom warps and bottom wefts, and the connecting lines are arranged in pairs to connect the surface layer and the bottom layer in the warp direction. The connecting lines are regularly interwoven in the upper layer of net and the lower layer of net, so that the upper layer of net and the lower layer of net are connected into a whole, relative twisting and slippage are not generated, and internal abrasion is eliminated; has the advantages of stable dehydration performance, short dehydration time, uniform mesh size, longer service life and easy washing, and can prevent the internal abrasion of the three-layer net; as can be seen from the above 3 patents, they all adopt binding wire structure to interweave with the warp or weft of the wear-resistant layer, and pass through the space to the upper layer, and the visual display is in V shape, and the upper and lower layer lines are corresponding to be in near vertical state; however, these binding methods still have some disadvantages, such as: the bad thickness of the papermaking forming net is increased, the structural stability is poor, and the service life of the papermaking forming net is greatly shortened; the water loss is fast and the retention rate of the papermaking filler is low.
Disclosure of Invention
The invention designs a W-shaped binding mode for a papermaking forming net aiming at the problems provided by the background technology, and the thickness of the net is reduced by the staggered clinging of upper and lower layer wires; slow down the rapid loss of water and improve the retention rate of the papermaking filler.
The invention is realized by the following technical scheme:
a W-shaped binding for a paper forming wire comprising the steps of:
s1, the papermaking forming net comprises a surface layer, a bottom layer and binding wires, wherein the surface layer is of a plain weave structure formed by alternately interweaving surface layer warps and surface layer wefts, the bottom layer is of a satin weave structure formed by alternately interweaving bottom layer warps and bottom layer wefts, the binding wires connect the surface layer and the bottom layer in a weft direction, and then a repeating unit on the papermaking forming net is selected;
s2, numbering the surface layer radial lines and the bottom layer radial lines from left to right, wherein the repeating unit also comprises a bottom layer weft, a plurality of surface layer wefts and binding lines;
s3, the binding wires are all formed into a W-shaped structure through firstly picking a bottom warp and then pressing the bottom warp, then picking the bottom warp, then spacing a bottom warp position from the upper right side of the binding wires and pressing the bottom warp, then picking a surface warp and then pressing the surface warp, and then circularly weaving in such a way, and finally forming the W-shaped structure through the bending resistance and the plasticity of the binding wires.
As a further improvement of the scheme, the binding wires can adopt a mode of 1, 2, 3 or 4 adjacent binding wires in the warp direction, and any proportion of the binding wires to the surface layer weft wires adjacent to the binding wires in the warp direction is 1:1, 2:1, 2:2, 3:2 or 2: 4.
As a further improvement of the scheme, the number of the binding wires in one repeating unit is 1-4.
As a further improvement of the scheme, the surface layer warp yarns and the bottom layer warp yarns are made of high-strength polyester monofilaments; the surface layer weft and the bottom layer weft are polyester or nylon wefts; the binding wire is any one of nylon 46, nylon 610 and nylon 612.
As a further improvement of the above scheme, the surface layer adopts an 1/1 plain weave structure, the bottom layer adopts an 8 harness or 10 harness satin weave structure, and the whole papermaking forming wire adopts a 16 harness or 20 harness structure.
As a further improvement of the scheme, in the production and heat treatment processes of the papermaking forming net, the mutual plastic resistance of the warp and weft after W-shaped binding is adopted to form the displacement of the wire, so that the upper layer wire and the lower layer wire are ensured to be in a non-vertical state.
Compared with the prior art, the invention has the beneficial effects that:
1. in the invention, the mutual plastic resistance of the warp and weft after W-shaped binding is adopted to form the displacement of the wire, thereby ensuring that the upper layer wire and the lower layer wire are in a non-vertical state, and reducing the thickness of the papermaking forming net.
2. According to the invention, the binding wire can ensure effective binding of the surface layer and the bottom layer, the nylon monofilaments can form lateral dehydration, the rapid loss of water is slowed down, and the retention rate of papermaking filler is improved.
3. In the invention, the W shape can be flexibly and variously bound by a single or a plurality of binding wires; the number of W binding wires can be flexibly used according to the adjustment of the use function and the environment of the papermaking forming wire.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a line sequence diagram of a minimum unit endless woven structure of a 16-harness forming fabric according to the present invention;
FIG. 2 is a view showing the arrangement sequence of the minimum unit endless woven structure threads of the 20-harness forming fabric of the present invention;
FIG. 3 is an organization diagram of 16-harness structure forming wire binding in example 1 of the present invention;
FIG. 4 is a line sequence diagram of a minimum unit of a 16-harness forming fabric of the minimum unit of the circulating weave structure of the fabric according to example 1 of the present invention;
FIG. 5 is an organization diagram of 16-harness structure forming wires in binding according to embodiment 2 of the present invention;
FIG. 6 is a line sequence of the minimum unit endless woven structure of the 16-harness forming fabric in example 1 of the present invention;
FIG. 7 is an organization diagram of binding of a 20-harness forming net in embodiment 3 of the present invention;
FIG. 8 is a line arrangement sequence diagram of a minimum unit endless woven structure of a 20-harness forming fabric according to example 2 of the present invention;
FIG. 9 is a line sequence of the minimum unit repeat weave pattern of the' 201680000775.6 patent;
fig. 10 is a schematic cross-sectional view of the forming wire of patent application No. 201910910984.X in the running direction;
FIG. 11 is a line sequence of the minimum unit repeat weave pattern of the' 201680000773.7 patent.
Wherein, 1-surface layer warp, 2-bottom layer warp, 3-surface layer weft, 4-bottom layer weft and 5-binding wire.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all 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 application.
The technical scheme of the invention is further explained by combining the attached drawings.
A W-shaped binding for a paper forming wire comprising the steps of:
s1, the papermaking forming net comprises a surface layer, a bottom layer and a binding wire 5, wherein the surface layer is of a 1/1 plain weave structure formed by alternately interweaving surface layer warps 1 and surface layer wefts 3, the bottom layer is of an 8-harness or 10-harness satin weave structure formed by alternately interweaving bottom layer warps 2 and bottom layer wefts 4, the binding wire 5 is connected with the surface layer and the bottom layer in a weft direction, and then a repeating unit on the papermaking forming net is selected; wherein, the surface layer warp 1 and the bottom layer warp 2 both adopt high-strength polyester monofilament, the surface layer weft 3 and the bottom layer weft 4 are polyester or nylon wefts, and the binding thread 5 is any one of nylon 46, nylon 610 and nylon 612;
s2, numbering the surface layer radial lines and the bottom layer radial lines from left to right, wherein the repeating unit further comprises a bottom layer weft 4, a plurality of surface layer wefts 3 and binding lines 5; wherein the number of binding wires 5 in one repeating unit is 1-4; the binding wires 5 can adopt a mode of 1, 2, 3 or 4 adjacent binding wires in the warp direction, and the binding wires 5 have any proportion of 1:1, 2:1, 2:2, 3:2 and 2:4 between the adjacent surface layer weft yarns 3 in the warp direction;
s3, the binding wires 5 are all woven in a circulating mode through the steps that a bottom layer warp 2 is firstly picked, then the bottom layer warp 2 is pressed, then the bottom layer warp 2 is picked, then the binding wires 5 are spaced at a bottom layer warp position to the upper right and press the bottom layer warp 2, then a surface layer warp 1 is picked, then a surface layer warp 1 is pressed, and finally the binding wires 5 are formed into a W-shaped structure in the bending resistance and the plasticity; and then the mutual plastic resistance of the warp and weft after W-shaped binding is adopted to form the displacement of the wire in the production and heat treatment processes of the papermaking forming net, thereby ensuring that the upper layer wire and the lower layer wire are in a non-vertical state.
The invention adopts the mutual plastic resistance of the warp and weft after W-shaped binding to form the displacement of the line, thereby ensuring that the upper layer line and the lower layer line are in a non-vertical state, and reducing the thickness of the papermaking forming net; meanwhile, the binding wires 5 can ensure effective binding of the surface layer and the bottom layer, the nylon monofilaments can form lateral dehydration, the rapid loss of water is slowed down, and the retention rate of papermaking fillers is improved; the W shape can use a single or a plurality of binding wires 5, and is flexible and various; the number of the W binding wires 5 can be flexibly used according to the adjustment of the use function and the environment of the papermaking forming wire.
Example 1
As shown in fig. 3 and 4, a W-shaped binding for a forming wire of a paper machine comprises the following steps:
s1, the papermaking forming net comprises a surface layer, a bottom layer and a binding wire 5, wherein the surface layer is of a plain weave structure formed by alternately interweaving surface layer warps 1 and surface layer wefts 3, the bottom layer is of an 8-harness satin weave structure formed by alternately interweaving bottom layer warps 2 and bottom layer wefts 4, the papermaking forming net is of a 16-harness structure, the binding wire 5 is connected with the surface layer and the bottom layer in the weft direction, and then a repeating unit on the papermaking forming net is selected; wherein, the surface layer warp 1 and the bottom layer warp 2 both adopt high-strength polyester monofilament, the surface layer weft 3 and the bottom layer weft 4 are polyester, the binding wires 5 are nylon 46,
s2, numbering the surface layer radial lines and the bottom layer radial lines from left to right, wherein the repeating unit further comprises a bottom layer weft 4, a plurality of surface layer wefts 3 and binding lines 5; wherein, the number of the binding lines 5 in one repeating unit is 2; the binding thread 5 can adopt a mode of 2 adjacent threads in the warp direction, and the ratio of the binding thread 5 to the adjacent surface layer weft threads 3 in the warp direction is 2: 1;
s3, the binding wires 5 are all woven in a circulating mode through the steps that a bottom layer warp 2 is firstly picked, then the bottom layer warp 2 is pressed, then the bottom layer warp 2 is picked, then the binding wires 5 are spaced at a bottom layer warp position to the upper right and press the bottom layer warp 2, then a surface layer warp 1 is picked, then a surface layer warp 1 is pressed, and finally the binding wires 5 are formed into a W-shaped structure in the bending resistance and the plasticity; and then the mutual plastic resistance of the warp and weft after W-shaped binding is adopted to form the displacement of the wire in the production and heat treatment processes of the papermaking forming net, thereby ensuring that the upper layer wire and the lower layer wire are in a non-vertical state.
Example 1 the thickness reduction of the wire is 9% compared to an SSB three layer forming wire of the same wire diameter and the retention of papermaking filler is 6.4% higher than for an SSB three layer forming wire under the same papermaking conditions. The SSB three-layer forming net is designed by adopting an upper, middle and lower three-layer structure, the upper layer adopts a warp, weft and plain weave structure with a smaller diameter, the lower layer adopts a warp and weft with a larger diameter, and the middle layer adopts paired wefts to precisely connect the upper layer and the lower layer into a whole.
Example 2
As shown in fig. 5 and 6, a W-shaped binding for a paper forming wire comprises the following steps:
s1, the papermaking forming net comprises a surface layer, a bottom layer and a binding wire 5, wherein the surface layer is of a plain weave structure formed by alternately interweaving surface layer warps 1 and surface layer wefts 3, the bottom layer is of an 8-harness satin weave structure formed by alternately interweaving bottom layer warps 2 and bottom layer wefts 4, the papermaking forming net is of a 16-harness structure, the binding wire 5 is connected with the surface layer and the bottom layer in the weft direction, and then a repeating unit on the papermaking forming net is selected; wherein, the surface layer warp 1 and the bottom layer warp 2 both adopt high-strength polyester monofilament, the surface layer weft 3 and the bottom layer weft 4 are polyester, the binding wires 5 are nylon 46,
s2, numbering the surface layer radial lines and the bottom layer radial lines from left to right, wherein the repeating unit further comprises a bottom layer weft 4, a plurality of surface layer wefts 3 and binding lines 5; wherein, the number of the binding lines 5 in one repeating unit is 2; the binding thread 5 can adopt a mode of 2 adjacent threads in the warp direction, and the ratio of the binding thread 5 to the adjacent surface layer weft threads 3 in the warp direction is 2: 2;
s3, the binding wires 5 are all woven in a circulating mode through the steps that a bottom layer warp 2 is firstly picked, then the bottom layer warp 2 is pressed, then the bottom layer warp 2 is picked, then the binding wires 5 are spaced at a bottom layer warp position to the upper right and press the bottom layer warp 2, then a surface layer warp 1 is picked, then a surface layer warp 1 is pressed, and finally the binding wires 5 are formed into a W-shaped structure in the bending resistance and the plasticity; and then the mutual plastic resistance of the warp and weft after W-shaped binding is adopted to form the displacement of the wire in the production and heat treatment processes of the papermaking forming net, thereby ensuring that the upper layer wire and the lower layer wire are in a non-vertical state.
Example 2 the thickness reduction of the wire is 7% compared to an SSB three layer forming wire of the same wire diameter and the retention of papermaking filler is 8.1% higher than for an SSB three layer forming wire under the same papermaking conditions. The SSB three-layer forming net is designed by adopting an upper, middle and lower three-layer structure, the upper layer adopts a warp, weft and plain weave structure with a smaller diameter, the lower layer adopts a warp and weft with a larger diameter, and the middle layer adopts paired wefts to precisely connect the upper layer and the lower layer into a whole.
Example 3
As shown in fig. 7 and 8, a W-shaped binding for a forming wire of a paper machine comprises the following steps:
s1, the papermaking forming net comprises a surface layer, a bottom layer and a binding wire 5, wherein the surface layer is of a plain weave structure formed by alternately interweaving surface layer warps 1 and surface layer wefts 3, the bottom layer is of a 10-harness satin weave structure formed by alternately interweaving bottom layer warps 2 and bottom layer wefts 4, the papermaking forming net is of a 20-harness structure, the binding wire 5 is connected with the surface layer and the bottom layer in the weft direction, and then a repeating unit on the papermaking forming net is selected; wherein, the surface layer warp 1 and the bottom layer warp 2 both adopt high-strength polyester monofilament, the surface layer weft 3 and the bottom layer weft 4 are polyester, the binding wires 5 are nylon 46,
s2, numbering the surface layer radial lines and the bottom layer radial lines from left to right, wherein the repeating unit further comprises a bottom layer weft 4, a plurality of surface layer wefts 3 and binding lines 5; wherein, the number of the binding lines 5 in one repeating unit is 2; the binding thread 5 can adopt a mode of 2 adjacent threads in the warp direction, and the ratio of the binding thread 5 to the adjacent surface layer weft threads 3 in the warp direction is 2: 1;
s3, the binding wires 5 are all woven in a circulating mode through the steps that a bottom layer warp 2 is firstly picked, then the bottom layer warp 2 is pressed, then the bottom layer warp 2 is picked, then the binding wires 5 are spaced at a bottom layer warp position to the upper right and press the bottom layer warp 2, then a surface layer warp 1 is picked, then a surface layer warp 1 is pressed, and finally the binding wires 5 are formed into a W-shaped structure in the bending resistance and the plasticity; and then the mutual plastic resistance of the warp and weft after W-shaped binding is adopted to form the displacement of the wire in the production and heat treatment processes of the papermaking forming net, thereby ensuring that the upper layer wire and the lower layer wire are in a non-vertical state.
Example 33 the caliper reduction of the wire was 8% compared to an SSB three layer forming wire of the same wire diameter and the retention of papermaking filler was 7.6% higher than for the SSB three layer forming wire under the same papermaking conditions. The SSB three-layer forming net is designed by adopting an upper, middle and lower three-layer structure, the upper layer adopts a warp, weft and plain weave structure with a smaller diameter, the lower layer adopts a warp and weft with a larger diameter, and the middle layer adopts paired wefts to precisely connect the upper layer and the lower layer into a whole.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A W-shaped binding mode for a papermaking forming net is characterized by comprising the following steps:
s1, the papermaking forming net comprises a surface layer, a bottom layer and binding wires, wherein the surface layer is of a plain weave structure formed by alternately interweaving surface layer warps and surface layer wefts, the bottom layer is of a satin weave structure formed by alternately interweaving bottom layer warps and bottom layer wefts, the binding wires connect the surface layer and the bottom layer in a weft direction, and then a repeating unit on the papermaking forming net is selected;
s2, numbering the surface layer radial lines and the bottom layer radial lines from left to right, wherein the repeating unit also comprises a bottom layer weft, a plurality of surface layer wefts and binding lines;
s3, the binding wires are all formed into a W-shaped structure through firstly picking a bottom warp and then pressing the bottom warp, then picking the bottom warp, then spacing a bottom warp position from the upper right side of the binding wires and pressing the bottom warp, then picking a surface warp and then pressing the surface warp, and then circularly weaving in such a way, and finally forming the W-shaped structure through the bending resistance and the plasticity of the binding wires.
2. A W-shaped binding for a paper forming wire according to claim 1, characterized in that: the binding wires can adopt a mode of 1, 2, 3 or 4 adjacent binding wires in the warp direction, and any proportion of the binding wires between the weft yarns of the surface layer adjacent to the binding wires in the warp direction is 1:1, 2:1, 2:2, 3:2 or 2: 4.
3. A W-shaped binding for a paper forming wire according to claim 1, characterized in that: the number of the binding wires in one repeating unit is 1-4.
4. A W-shaped binding for a paper forming wire according to claim 1, characterized in that: the surface layer warp yarns and the bottom layer warp yarns are made of high-strength polyester monofilaments; the surface layer weft and the bottom layer weft are polyester or nylon wefts; the binding wire is any one of nylon 46, nylon 610 and nylon 612.
5. A W-shaped binding for a paper forming wire according to claim 1, characterized in that: the surface layer adopts 1/1 plain weave structure, the bottom layer adopts 8 healds or 10 heald satin weave structure, the whole of papermaking forming wire adopts 16 healds or 20 heald structure.
6. A W-shaped binding for a paper forming wire according to any of claims 1 to 5, characterized in that: in the production and heat treatment processes of the papermaking forming net, the mutual plastic resistance of warps and wefts after W-shaped binding is adopted to form the displacement of the lines, so that the upper layer lines and the lower layer lines are in a non-vertical state.
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| CN202010195501.5A CN111364276A (en) | 2020-03-19 | 2020-03-19 | W-shaped binding mode for papermaking forming net |
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| CN1793498A (en) * | 2005-11-09 | 2006-06-28 | 成都环龙工业用呢有限责任公司 | Three-layer non-mixed bottom net papermaking press felt |
| CN201395738Y (en) * | 2009-05-08 | 2010-02-03 | 河南省华丰网业有限公司 | Three-layer forming fabric with high retention rate used for papermaking |
| CN201809664U (en) * | 2010-09-10 | 2011-04-27 | 安徽华宇网业有限公司 | Papermaking mesh |
| CN104631186A (en) * | 2015-01-28 | 2015-05-20 | 安徽华宇网业有限公司 | Improved triple-layer forming fabric |
| CN206970995U (en) * | 2015-03-24 | 2018-02-06 | 维美德技术有限公司 | Dry fabric |
| CN106133239A (en) * | 2016-03-23 | 2016-11-16 | 许长云 | A kind of parallel is from binding forming net |
| CN107805866A (en) * | 2017-11-08 | 2018-03-16 | 安徽太平洋特种网业有限公司 | A kind of production technology of high abrasion through stitch forming net |
| CN110804784A (en) * | 2019-09-25 | 2020-02-18 | 安徽太平洋特种网业有限公司 | Method for manufacturing bottom layer large-span forming net |
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