CN101831831A - Three-layer forming net for paper making - Google Patents
Three-layer forming net for paper making Download PDFInfo
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- CN101831831A CN101831831A CN 201010180548 CN201010180548A CN101831831A CN 101831831 A CN101831831 A CN 101831831A CN 201010180548 CN201010180548 CN 201010180548 CN 201010180548 A CN201010180548 A CN 201010180548A CN 101831831 A CN101831831 A CN 101831831A
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Abstract
The invention discloses a three-layer forming net for paper making, which adopts a binding weft binding method for binding a double-layer organizational structure design and comprises two system warps and wefts and a system binding weft, wherein the two system warps and wefts are independent with each other, the first system warps and the first system wefts are interweaved to form an upper layer for supporting paper page fibers, i.e. a finished paper surface of the three-layer forming net, the second system warps and the second system wefts are interweaved to form a lower layer for resisting paper machine abrasion, i.e. an abrasion layer of the three-layer forming net, and third system wefts which are arranged in pairs are interweaved with the first system warps and the second system warps up and down besides every three first system wefts to connect the upper layer and the lower layer. Besides every three first system wefts of the three-layer forming net with the structure, the third system wefts which are arranged in pairs are interweaved with the first system warps and the second system warps up and down, so that the upper-layer net and the lower-layer net are tightly connected into a whole without generating relative twisting and slippage, thereby radically solving the contradiction between finished paper and abrasion.
Description
Technical field
The present invention relates to a kind of forming net for papermaking, saying so more specifically is applied in the paper machine wet end, the moisture removal in the slurry is retained in fiber and filler forms a kind of three-layer forming net for paper making that the l Water Paper page or leaf is sent to press section on the forming net.
Background technology
Forming net for papermaking is the essential valuable dehydration equipment of papermaking enterprise, be to be applied in the paper machine wet end, with certain speed round and round, paper pulp evenly is ejected on the forming net by head box, operation by forming net is through dewatering elements such as breast roll, forming board, Wiper blade, low vacuum suction box, high vacuum suction box, couch rolls, the moisture removal in the slurry is retained in fiber and filler form the l Water Paper page or leaf on the forming net and be sent to press section.The use of forming net must be satisfied quality of finished paper and requirement in service life, therefore in the design of forming net institutional framework, must take all factors into consideration the fiber support index, air permeability, freeness of forming net, in length and breadth to factors such as stability, deflection and service lifes, make it reach optimization.
Development and technological progress along with China's paper industry, novel papermaking dehydration equipment polyester webs used and the replacement copper mesh from the eighties in 20th century, improved the service life of papermaking wire-cloth greatly, but along with the development and the paper quality of paper industry requires more and more higher, the individual layer forming net is if adopt thin graticule footpath, in length and breadth to poor stability, deflection is little, service life is short, if adopt thick graticule footpath, fiber support index is little, retention is low, wire mark is heavy, and individual layer forming net joint strength is low simultaneously, can't satisfy the instructions for use of high speed paper machine, therefore the individual layer forming net can not fundamentally solve the contradiction in quality of finished paper and service life, thereby its Application Areas is restricted greatly, and use amount reduces significantly, only is applied at present on the low and toilet paper machine of paper quality requirement.
In order to solve the contradiction in individual layer forming net quality of finished paper and service life, in the prior art, as China Patent No. is 99241818.8, patent name has designed a kind of paper grade (stock) multi-ply forming fabric for the patent of " paper grade (stock) polyester multilayer net ", it is made of top net, spacer screen, top net filling density is greater than the spacer screen filling density, net parallel line footpath, top is less than spacer screen parallel line footpath, the top net adopts two kinds of parallel lines directly to weave, top net and spacer screen wear knot by identical warp and be merged into integral net, solved the individual layer forming net and can not be applied in defective on the high speed paper machine.This forming net is interwoven by system's warp and two system's parallels, is called filling-backed weave, but its institutional framework design does not fundamentally solve into the contradiction between paper and the wearing and tearing.In order fundamentally to solve into the contradiction between paper and the wearing and tearing, in the prior art, as China Patent No. is 200520075541, and patent name has designed a kind of polyester multilayer composite web for the patent of " a kind of polyester multilayer composite web ", is made up of top net, spacer screen, compound between top net and the spacer screen from connecting, the graticule line footpath of top net is less than the graticule line footpath of spacer screen, and the top net adopts the plain weave reticulate pattern, and spacer screen adopts 5 to combine satin weave, top net and spacer screen warp-wise are 1: 1 structure, and broadwise is 2: 1 structures.Net parallel in top is split into two parallels by texture connect top net and spacer screen, top net and spacer screen are composited through the texture braiding.Because adopt such structure, the paper quality that produce in the paper mill is good; Reduced environmental pollution; Reduce production cost, improved production efficiency.Yet in process of production, laterally crimping is bigger, and because this patent adopts 20 heald frame looms to weave, the top net adopts the plain weave reticulate pattern, and spacer screen adopts 5 to combine satin weave, and the parallel connecting line accounts for 1/2 of total parallel quantity, and connecting line quantity is many, it is big to weave weft density, and operation easier is bigger, and production efficiency is low.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of three-layer forming net for paper making and preparation method thereof at problems of the prior art, its objective is that the weft density of realizing forming net is little, become the paper flatness good, page does not have wire mark, and structural stability is good, the deflection height, ABRASION RESISTANCE is good, long service life, and laterally crimping is little in process of production, reduce operation easier in the production process, improve production efficiency.
Technical scheme of the present invention is that this kind three-layer forming net for paper making adopts binding pick access node method tied double weave structural design, promptly, comprise two systems warp independently separately, parallel and system's binder weft, first system's warp and first system's parallel interweave and form the upper strata of support page fiber, be the one-tenth paper of three-layer forming net, second system's warp and second system's parallel interweave and form the lower floor of opposing paper machine wearing and tearing, be the wear surface of three-layer forming net, by three first system's parallels, the 3rd system's parallel with paired arrangement interweaves up and down with first system's warp and second system's warp, the upper and lower are coupled together, and this access node method is called " binding pick access node method ".
Described paper making three layer becomes paper to be adopted as plain weave construction with forming net, and wear surface is 5 comprehensive satin organizational structures.
Described three-layer forming net for paper making the 3rd system's binder weft is made up of the two every group parallels of arranging in pairs, alternately interweave mutually with first system's warp and second system's warp, when first parallel in every group and first system's warp interweave, second parallel and second system's warp interweave, when second parallel in every group and first system's warp interweaved, first parallel and second system's warp interweaved.Every group two the 3rd system's parallels of arranging in pairs alternately interweave with first system's warp, be equivalent to one first system's parallel and first system's warp interweaves, every group two the 3rd system's parallels alternately interweave with two system's warps, the upper and lower are coupled together, make not produce relative rubbing, slippage between two-layer up and down.
The ratio of described three-layer forming net for paper making first system's warp and second system's warp radical is 1: 1; Becoming the ratio of paper parallel and wear surface parallel radical is 2: 1, also can be 3: 2 or 1: 1.
Described three-layer forming net for paper making first system through linear diameter less than second system through linear diameter, also can be that first system's warp is identical through linear diameter with second system; First system's parallel diameter is less than second system's parallel diameter; First system's parallel and the 3rd system's parallel can be same diameter, also can be that first system's parallel diameter is greater than the 3rd system's parallel diameter.
Described three-layer forming net for paper making first system is 0.13～0.24mm through linear diameter, second system is 0.18～0.32mm through linear diameter, first system's parallel diameter is 0.11～0.24mm, and second system's parallel diameter is 0.20～0.50mm, and the 3rd system's parallel diameter is 0.10～0.24mm.
Described three-layer forming net for paper making first system and second system's warp density sum are 38～68/cm, and first system, second system and the 3rd system's weft density sum are 40～90/cm.
Described three-layer forming net for paper making raw material are monofilament polyester, nylon monofilament and alloy filaments, and the cross section of raw material monofilament is circular.
A kind of three-layer forming net for paper making and preparation method thereof with above-mentioned special construction have the following advantages:
1, this kind three-layer forming net for paper making is by three first system's parallels, the 3rd system's parallel with paired arrangement interweaves up and down with first system's warp and second system's warp, making up and down, two layers of mesh closely links into an integrated entity, do not produce relative rubbing, slippage, fundamentally solved the contradiction that becomes between paper and the wearing and tearing.
2, the parallel connecting line of this kind three-layer forming net for paper making accounts for 2/7 of total parallel quantity, and parallel connecting line quantity significantly reduces, and weft density is little, the production efficiency height, because parallel connecting line quantity reduces, reduce the horizontal in process of production crimping of forming net, reduce operation easier in the production process, become the paper flatness good, page does not have wire mark, and structural stability is good, the deflection height, ABRASION RESISTANCE is good, long service life.
3, the one-tenth paper of this kind three-layer forming net for paper making adopts plain weave construction, and fiber fines and filler are had the good supporting support, improves the paper-forming evenness and the smoothness of page, and page is easily peeled off; Wear surface adopts 5 to combine satin organizational structure, improves the structural stability of wear surface, and back weft has floating long line of long latitude and thicker parallel line footpath, the service life of having improved forming net.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing:
Fig. 1 is the one-tenth paper vertical view of three-layer forming net for paper making of the present invention.
Fig. 2 is the wear surface vertical view of three-layer forming net for paper making of the present invention.
Fig. 3 is three-layer forming net for paper making warp cross section figure of the present invention.
Fig. 4 is a three-layer forming net for paper making broadwise sectional view of the present invention.
Fig. 5 is a three-layer forming net for paper making broadwise sectional view of the present invention.
In this patent is described, adopt the general versatility term of textile speciality, be explained as follows:
Plain weave: it is 2 that warp-wise and broadwise are organized number average, i.e. Rj=Rw=2, and it is 1 that warp-wise and broadwise fly number average, i.e. Sj=Sw=± 1, warp and parallel are with one on the other the fabric that interweaves and form.
Satin weave: warp-wise and broadwise organize period more than or equal to 5 (except 6), i.e. Rj=Rw 〉=5, and warp-wise and broadwise fly number greater than 1, less than organizing period to subtract 1, remain constantly in whole tissue circulation, and organize period and fly number prime numbers each other.
Filling-backed weave: by system's warp and two tissues that system's parallel is interwoven.
Double-layered structure: two systems independently warp and parallel are separately arranged, on same loom, form the upper and lower two-layer of fabric.
Tied double weave: the two-layer fabric that closely links together up and down of double-layered structure is called the access node two-layer fabric, and its tissue is called tied double weave.
Binding pick access node method: between adjacent two first system's parallels, interweave up and down with first system's warp and second system's warp with the 3rd system's parallel of arranging in pairs, the upper and lower are coupled together, this access node method is called " binding pick access node method ".
Warp cross section figure: the cutaway view of fabric warp-wise, see the situation that interweaves of a warp from the side of fabric.
The broadwise sectional view: the cutaway view of grain cross, see the situation that interweaves of a parallel from the side of fabric.
The specific embodiment
Content is described the present invention more specifically below in conjunction with description of drawings for a better understanding of the present invention, simultaneously, to technical staff and the related personnel's reading and the understanding of the industry, the institutional framework of embodiments of the invention is amplified for convenience.
By Fig. 1～structure combination shown in Figure 5 as can be known, this kind three-layer forming net for paper making adopts binding pick access node method tied double weave structural design, promptly, comprise two systems warp independently separately, parallel and system's binder weft, first system's warp and first system's parallel interweave and form the upper strata of support page fiber, be the one-tenth paper of three-layer forming net, second system's warp and second system's parallel interweave and form the lower floor of opposing paper machine wearing and tearing, be the wear surface of three-layer forming net, by three first system's parallels, the 3rd system's parallel with paired arrangement interweaves up and down with first system's warp and second system's warp, the upper and lower are coupled together, and this access node method is called " binding pick access node method ".
Paper making three layer becomes paper to be adopted as plain weave construction with forming net, and wear surface is 5 comprehensive satin organizational structures.The 3rd system's binder weft is made up of the two every group parallels of arranging in pairs, alternately interweave mutually with first system's warp and second system's warp, when first parallel in every group and first system's warp interweave, second parallel and second system's warp interweave, when second parallel in every group and first system's warp interweaved, first parallel and second system's warp interweaved.Every group two the 3rd system's parallels of arranging in pairs alternately interweave with first system's warp, be equivalent to one first system's parallel and first system's warp interweaves, every group two the 3rd system's parallels alternately interweave with two system's warps, the upper and lower are coupled together, make not produce relative rubbing, slippage between two-layer up and down.
The ratio of three-layer forming net for paper making first system's warp and second system's warp radical is 1: 1; Becoming the ratio of paper parallel and wear surface parallel radical is 2: 1, also can be 3: 2 or 1: 1; First system through linear diameter less than second system through linear diameter, also can be that first system's warp is identical through linear diameter with second system; First system's parallel diameter is less than second system's parallel diameter; First system's parallel and the 3rd system's parallel can be same diameter, also can be that first system's parallel diameter is greater than the 3rd system's parallel diameter; First system is 0.13～0.24mm through linear diameter, second system is 0.18～0.32mm through linear diameter, first system's parallel diameter is 0.11～0.24mm, second system's parallel diameter is 0.20～0.50mm, the 3rd system's parallel diameter is 0.10～0.24mm, and first system and second system's warp density sum are 38～68/cm, and first system, second system and the 3rd system's weft density sum are 40～90/cm.
This kind three-layer forming net for paper making raw material are monofilament polyester, nylon monofilament and alloy filaments, and the cross section of raw material monofilament is circular.
This kind three-layer forming net for paper making adopts binding pick access node method tied double weave structural design, its structure comprises two systems warp independently separately, parallel and system's binder weft, first system's warp and first system's parallel interweave and form the upper strata of support page fiber, be the one-tenth paper of forming net, it is light mainly to be considered to the gauze trace, technical factor such as water filtering performance and fiber fines and filler retention, adopt plain weave construction, its main purpose: fiber fines and filler are had the good supporting support, improve the paper-forming evenness and the smoothness of page, page is easily peeled off.Second system's warp and second system's parallel interweave and form the lower floor of opposing paper machine wearing and tearing, be the wear surface of forming net, mainly consider technical factors such as tensile strength, structural stability and service life, adopt 5 to combine satin organizational structure, its main purpose: the structural stability that improves wear surface, back weft has floating long line of long latitude and thicker parallel line footpath, the service life of improving forming net.By three first system's parallels, the 3rd system's parallel with paired arrangement interweaves up and down with first system's warp and second system's warp, making up and down, two layers of mesh closely links into an integrated entity, do not produce relative rubbing, slippage, this access node method is called " binding pick access node method ", the parallel connecting line accounts for 2/7 of total parallel quantity, parallel connecting line quantity significantly reduces, weft density is little, the production efficiency height, because parallel connecting line quantity reduces, reduce the horizontal in process of production crimping of forming net, reduce operation easier in the production process.
As Fig. 1～shown in Figure 5, this kind three-layer forming net for paper making adopts 20 heald frames to weave, by becoming paper and wear surface two-layer composition up and down, two-layer up and down by " binding pick access node method " regularly will about two layers of mesh closely link into an integrated entity, do not produce relative rubbing, slippage.
As shown in Figure 1, become paper to interweave, form plain weave by first system's warp thread 101～110 and first system's weft yarn 301～330 and the 3rd system's weft yarn 501～520.The 3rd system's parallel 501～520 is rearranged in pairs by every group of two parallels, 501,502 is a pair of, 503,504 is a pair of, 505,506 is a pair of, 507,508 is a pair of, 509,510 is a pair of, 511,512 is a pair of, 513,514 is a pair of, 515,516 is a pair of, 517,518 is a pair of, 519,520 is a pair of, and every group of two parallels alternately interweave with first system's warp 101～110, is equivalent to one first system's parallel and first system's warp interweaves, first system's parallel, 301～330 diameters are identical with the 3rd system's parallel 501～520 diameters, and perhaps first system's parallel, 301～330 diameters are greater than the 3rd system's parallel 501～520 diameters.
As shown in Figure 2, wear surface is interweaved by second system's warp 201～210 and second system's parallel 401～420, forms 5 and combines satin organizational structure.The 3rd system's parallel 501～520 is rearranged in pairs by every group of two parallels, and 501,502 is a pair of, and 503,504 is a pair of, 505,506 is a pair of, and 507,508 is a pair of, and 509,510 is a pair of, 511,512 is a pair of, 513,514 is a pair of, and 515,516 is a pair of, and 517,518 is a pair of, 519,520 is a pair of, every group of two parallels alternately interweave with second system's warp 201～210, and two layers of mesh closely links into an integrated entity about making, and does not produce relative rubbing, slippage.
As shown in Figure 3, warp cross section figure shows first system's warp 101 and first system's weft yarn 301～330 and the 3rd system's weft yarn 501～520 situation that interweaves, second system's warp 201 and second system's parallel 401～420 and the 3rd system's parallel 501～520 situation that interweaves.
As shown in Figure 4, the broadwise sectional view shows first system's parallel 301 and first system's warp 101～110 situation that interweaves, second system's parallel 401 and second system's warp 201～210 situation that interweaves.
As shown in Figure 5, the broadwise sectional view shows the 3rd system's parallel 501 and first system's warp 101～110 and second system's warp 201～210 situation that interweaves, the 3rd system's parallel 502 and first system's warp 101～110 and second system's warp 201～210 situation that interweaves.
Three-layer forming net for paper making of the present invention adopts up and down, and two layers of mesh designs separately, contradiction between fundamentally having solved paper and having worn and torn, it is little to have a weft density, the production efficiency height, become the paper flatness good, page does not have wire mark, and structural stability is good, the deflection height, ABRASION RESISTANCE is good, long service life, laterally crimping is little in process of production, reduces operation easier in the production process.
Embodiment described above does not also mean that restriction to the specific embodiment of the invention; but to the technical staff of the industry technology contents of the present invention is disclosed completely; some improvement of making for not breaking away from the principle of the invention all are considered as protection scope of the present invention.
Claims (8)
1. three-layer forming net for paper making, it is characterized in that: this kind three-layer forming net for paper making adopts binding pick access node method tied double weave structural design, promptly, comprise two systems warp independently separately, parallel and system's binder weft, first system's warp and first system's parallel interweave and form the upper strata of support page fiber, be the one-tenth paper of three-layer forming net, second system's warp and second system's parallel interweave and form the lower floor of opposing paper machine wearing and tearing, be the wear surface of three-layer forming net, by three first system's parallels, the 3rd system's parallel with paired arrangement interweaves up and down with first system's warp and second system's warp, the upper and lower are coupled together, and this access node method is called " binding pick access node method ".
2. a kind of three-layer forming net for paper making according to claim 1 is characterized in that: described paper making three layer becomes paper to be adopted as plain weave construction with forming net, and wear surface is 5 comprehensive satin organizational structures.
3. a kind of three-layer forming net for paper making according to claim 2, it is characterized in that: described three-layer forming net for paper making the 3rd system's binder weft is made up of the two every group parallels of arranging in pairs, alternately interweave mutually with first system's warp and second system's warp, when first parallel in every group and first system's warp interweave, second parallel and second system's warp interweave, when second parallel in every group and first system's warp interweaved, first parallel and second system's warp interweaved.Every group two the 3rd system's parallels of arranging in pairs alternately interweave with first system's warp, be equivalent to one first system's parallel and first system's warp interweaves, every group two the 3rd system's parallels alternately interweave with two system's warps, the upper and lower are coupled together, make not produce relative rubbing, slippage between two-layer up and down.
4. according to the described three-layer forming net for paper making of each claim of claim 1-3, it is characterized in that: the ratio of described three-layer forming net for paper making first system's warp and second system's warp radical is 1: 1; Becoming the ratio of paper parallel and wear surface parallel radical is 2: 1, also can be 3: 2 or 1: 1.
5. three-layer forming net for paper making according to claim 4 is characterized in that: described three-layer forming net for paper making first system through linear diameter less than second system through linear diameter, also can be that first system's warp is identical through linear diameter with second system; First system's parallel diameter is less than second system's parallel diameter; First system's parallel and the 3rd system's parallel can be same diameter, also can be that first system's parallel diameter is greater than the 3rd system's parallel diameter.
6. three-layer forming net for paper making according to claim 5, it is characterized in that: described three-layer forming net for paper making first system is 0.13～0.24mm through linear diameter, second system is 0.18～0.32mm through linear diameter, first system's parallel diameter is 0.11～0.24mm, second system's parallel diameter is 0.20～0.50mm, and the 3rd system's parallel diameter is 0.10～0.24mm.
7. according to the described three-layer forming net for paper making of each claim of claim 5-6, it is characterized in that: described three-layer forming net for paper making first system and second system's warp density sum are 38～68/cm, and first system, second system and the 3rd system's weft density sum are 40～90/cm.
8. three-layer forming net for paper making according to claim 7 is characterized in that: described three-layer forming net for paper making raw material are monofilament polyester, nylon monofilament and alloy filaments, and the cross section of raw material monofilament is circular.
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| CN 201010180548 CN101831831A (en) | 2010-05-19 | 2010-05-19 | Three-layer forming net for paper making |
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| CN 201010180548 CN101831831A (en) | 2010-05-19 | 2010-05-19 | Three-layer forming net for paper making |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103882755A (en) * | 2014-04-02 | 2014-06-25 | 江苏金呢工程织物股份有限公司 | High-speed wide 16-heald mesh-mark-free three-layer paper making mesh |
| CN103882756A (en) * | 2014-04-02 | 2014-06-25 | 江苏金呢工程织物股份有限公司 | High-speed forming mesh special for wide paper for daily use |
| WO2016091057A1 (en) * | 2014-12-09 | 2016-06-16 | 南通倍佳机械科技有限公司 | Double-layer composite hose and manufacturing method therefor |
| CN106192526A (en) * | 2016-08-24 | 2016-12-07 | 四川环龙技术织物有限公司 | A kind of possess resistance composite industrial filtration fabrics structure |
| CN107268319A (en) * | 2017-05-10 | 2017-10-20 | 江苏金呢工程织物股份有限公司 | A kind of high speed foudrinier paper making forming net and paper making equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101440583A (en) * | 2008-12-29 | 2009-05-27 | 安徽华辰造纸网股份有限公司 | Tied double weave forming net for papermaking |
| CN201395737Y (en) * | 2008-12-29 | 2010-02-03 | 安徽华辰造纸网股份有限公司 | Shaping net with tying double-layer structure for papermaking |
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- 2010-05-19 CN CN 201010180548 patent/CN101831831A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101440583A (en) * | 2008-12-29 | 2009-05-27 | 安徽华辰造纸网股份有限公司 | Tied double weave forming net for papermaking |
| CN201395737Y (en) * | 2008-12-29 | 2010-02-03 | 安徽华辰造纸网股份有限公司 | Shaping net with tying double-layer structure for papermaking |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103882755A (en) * | 2014-04-02 | 2014-06-25 | 江苏金呢工程织物股份有限公司 | High-speed wide 16-heald mesh-mark-free three-layer paper making mesh |
| CN103882756A (en) * | 2014-04-02 | 2014-06-25 | 江苏金呢工程织物股份有限公司 | High-speed forming mesh special for wide paper for daily use |
| WO2016091057A1 (en) * | 2014-12-09 | 2016-06-16 | 南通倍佳机械科技有限公司 | Double-layer composite hose and manufacturing method therefor |
| CN106192526A (en) * | 2016-08-24 | 2016-12-07 | 四川环龙技术织物有限公司 | A kind of possess resistance composite industrial filtration fabrics structure |
| CN106192526B (en) * | 2016-08-24 | 2017-12-08 | 四川环龙技术织物有限公司 | It is a kind of to possess resistance composite industrial filtration fabrics structure |
| CN107268319A (en) * | 2017-05-10 | 2017-10-20 | 江苏金呢工程织物股份有限公司 | A kind of high speed foudrinier paper making forming net and paper making equipment |
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