WO2018023839A1 - 一种三层造纸网制造方法以及三层造纸网 - Google Patents

一种三层造纸网制造方法以及三层造纸网 Download PDF

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Publication number
WO2018023839A1
WO2018023839A1 PCT/CN2016/096078 CN2016096078W WO2018023839A1 WO 2018023839 A1 WO2018023839 A1 WO 2018023839A1 CN 2016096078 W CN2016096078 W CN 2016096078W WO 2018023839 A1 WO2018023839 A1 WO 2018023839A1
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layer
paper
weave
weft
machine
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PCT/CN2016/096078
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English (en)
French (fr)
Inventor
陆平
顾伯洪
孙宝忠
周积学
盛长新
陈飞宏
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江苏金呢工程织物股份有限公司
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Publication of WO2018023839A1 publication Critical patent/WO2018023839A1/zh

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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
    • 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
    • D21F1/0045—Triple layer fabrics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/02—Layered products comprising a layer of synthetic resin in the form of fibres or filaments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • 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
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D23/00—General weaving methods not special to the production of any particular woven fabric or the use of any particular loom; Weaves not provided for in any other single group
    • 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
    • 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]

Definitions

  • the invention relates to a wet end of a paper machine, in particular to a wire mesh device which is applied to the wet end of a paper machine, for forming and dewatering paper sheets, that is, a three-layer paper making net and a three-layer paper making method.
  • the paper forming fabric is an important forming and dewatering material in the wet end of the paper machine.
  • the existing paper forming fabric can basically complete the paper forming and dewatering tasks, the disadvantage is that the existing paper forming forming paper has uneven texture.
  • the fiber support index is not high, resulting in obvious mesh marks on the paper surface, so that the fiber and filler retention rate of the paper is not high, the sheet is unevenly formed, the paper sheet is not easily peeled off from the net, and is not suitable for the production of high-grade paper.
  • the bonding force between the paper forming layer and the machine layer of the existing paper forming fabric is weak, and interlayer separation and relative displacement are easy to occur, and the wear resistance of the contact surface between the machine layer and the paper machine is insufficient, resulting in a short service life of the paper forming fabric. .
  • the technical problem mainly solved by the invention is to provide a three-layer paper making method and a three-layer paper making net, which can improve the flatness of the paper forming layer, the bonding strength between the layers is firm, the machine layer is wear-resistant, and the service life is long.
  • the present invention provides a method for manufacturing a three-layer papermaking net, which comprises: alternately weaving to form a paper layer by a plain weave knitting method and a satin weave method;
  • weft lines there are two surface layer wefts in each group of minimum circulation structure units.
  • One of the weft lines is a plain weave method and the other is a forged weave method.
  • the step of forming the machine layer by using at least one weaving method comprises:
  • the machine layer is formed by alternate weaving using a 5 weave weave.
  • the present invention provides a method of manufacturing a three-layer papermaking net, which The method comprises: alternately weaving to form a paper layer by using at least two weaves;
  • At least two weave methods include at least a plain weave, a satin weave, and a twill weave.
  • weft lines there are two surface layer wefts in each group of minimum circulation structure units.
  • One of the weft lines is a plain weave method and the other is a forged weave method.
  • the paper layer is formed by alternate weaving using a plain weave method and a twill weave method.
  • the method comprises:
  • the machine layer is formed by at least one weave weaving.
  • the step of forming the machine layer by using at least one weaving method comprises:
  • the machine layer is formed by alternate weaving using a 5 weave weave.
  • the present invention provides a three-layer papermaking net comprising: a paper forming layer, an intermediate connecting layer and a machine layer;
  • the paper-forming layer is alternately woven by a plain weaving method and a forged weave method through a paper-forming warp and a paper-making weft.
  • the paper-forming layer is alternately woven by the 1/1 plain weave method and the woven weave method through the paper-forming warp and the paper-making weft.
  • the three-layer papermaking net comprises a plurality of minimum organizational units composed of 20 polyester monofilaments as warp threads and 60 polyester monofilaments or nylon monofilaments as weft threads.
  • the machine layer is woven by the five-layer weaving weave through the machine layer warp and the machine layer weft
  • the intermediate connecting layer comprises a first connecting weft and a second connecting weft, the first connecting weft is interwoven with the paper layer warp, and the second connecting The weft is interwoven with the machine layer warp to connect the paper layer to the machine layer;
  • the paper layer has a warp diameter of 0.13 mm; the paper layer has a weft diameter of 0.13 mm or 0.15 mm or 0.14 mm, and a polyester monofilament is used;
  • the machine layer has a warp diameter of 0.21 mm, and the machine layer has a weft diameter of 0.25 mm or 0.30 mm or 0.27 mm, and is alternately used with a polyester monofilament or a polyester monofilament and a nylon monofilament;
  • first connecting weft and the second connecting weft are 0.13 mm or 0.15 mm or 0.14 mm in diameter, and polyester monofilament or full nylon monofilament is used.
  • the three-layer papermaking net is formed by interweaving polyester monofilament or nylon monofilament with 20 heald frames.
  • a buffer layer between the paper layer and the machine layer.
  • the warp density of the high-speed wide-width composite fiber polyester three-layer papermaking net is 62 pieces/cm; the ratio of the warp roots of the paper-forming layer to the machine layer is 1:1; the ratio of the weft roots of the paper-forming layer to the machine layer is 3:2; the number of wefts of the intermediate connecting layer is 1/3 of the total number of wefts.
  • the three-layer papermaking net of the present invention is formed by interweaving polyester monofilament or nylon monofilament by using 20 heald frames, including: a paper layer, an intermediate connecting layer and The machine layer, whose smallest unit consists of 20 polyester monofilaments as warp threads and 60 polyester monofilaments or nylon monofilaments as weft threads, can improve the flatness of the paper layer, the adhesion between layers is firm, and the machine layer is resistant. Grinding, long service life.
  • FIG. 1 is a schematic flow chart of a first embodiment of a method for manufacturing a three-layer papermaking net according to the present invention
  • FIG. 2 is a schematic structural view of a first embodiment of a three-layer papermaking net of the present invention
  • Figure 3 is a schematic view showing the structure of a minimum organization unit of the first embodiment of the three-layer papermaking net of the present invention
  • 4 to 8 are longitudinal and weft step-by-step weaving relationship diagrams of 20 warp threads and 60 weft threads of the present invention.
  • Figure 9 is a schematic view showing the structure of an alternative embodiment of the three-layer papermaking net of the present invention.
  • FIG. 1 is a schematic flow chart of a first embodiment of a method for manufacturing a three-layer papermaking net according to the present invention, which includes:
  • S100 is alternately woven by at least two weaves to form a paper layer
  • At least two weaves include at least a plain weave, a satin weave, and a twill weave law.
  • the plain weave fabric the warp and weft of the plain weave are interlaced in a one-up process. That is, the warp and weft yarns are interlaced once every other yarn, so the interlacing point is the most, and the yarn has the most buckling points, which makes the fabric firm, wear-resistant, stiff and flat, but the elasticity is small, the gloss is general, and the density of the plain weave fabric is too High, lighter, better wear resistance and better gas permeability.
  • Twill fabric At least three warp yarns and three weft yarns are intertwined in one complete structure, and only one weft tissue point on each warp weft yarn. An oblique line is formed on the surface of the fabric by successive tissue points.
  • the twill weave is an appearance effect of a twill that is formed by the surface of the fabric formed by a long line of float or a long line of weft.
  • the warp and weft of the twill fabric is interlaced less than the plain weave, and the pores between the warp and weft yarns are small, the yarns can be arranged densely, and the fabric is relatively dense and thick.
  • the twill weave is softer and more elastic than the plain weave.
  • the abrasion resistance and fastness are not as good as those of the plain weave under the conditions of the warp and weft yarn thickness and the same density.
  • the cloth surface has obvious oblique lines, feel, gloss and elasticity.
  • the satin weave refers to the warp (or weft).
  • the float is longer and the interlacing points are less. Although they form a diagonal line, they are not continuous, and the distance between them is regular and uniform.
  • the fabric structure is called satin weave.
  • the satin fabric has a long floating line and the worst fastness, but the texture is soft, the silk surface is smooth, the gloss is good, and the most expensive and gorgeous, so it is widely used in fabrics.
  • the ground tissues in the flower tissues such as brocade and floral satin are all satin weave.
  • Satin texture structure satin generally refers to the side of the fabric reflecting the warp material: if the satin warp is made of light, then the shiny side is usually called satin, and the satin is different from plain and twill.
  • the upper jumper is longer, and the angle of the diagonal is smaller, the gloss is stronger, smoother, and more beautiful.
  • the disadvantage is that it is easy to twist, although smooth but not soft enough.
  • S100 is formed by alternately weaving at least two weaves to form a paper layer.
  • S120 is alternately woven by a plain weave knitting method and a satin weave method to form a paper layer;
  • weft lines there are two surface layer wefts in each group of minimum circulation structure units.
  • One of the weft lines is a plain weave method and the other is a forged weave method.
  • a paper-forming layer may be formed by alternately weaving by a plain weave knitting method and a twill weave method.
  • step S120 the paper forming layer adopts 1/1 plain weave knitting method and 2/3 forging.
  • the weave is alternately woven.
  • the method comprises:
  • the S200 is woven using at least one weave to form a machine layer.
  • the step of forming the machine layer by using at least one weave woven specifically comprises:
  • the S220 is alternately woven by a five-weave weave to form a machine layer.
  • the steps before the step of alternately weaving the paper forming layer by using at least two weaves at S100 further include:
  • the step after the step of forming the machine layer by using at least one weave woven at S200 further comprises:
  • One-time setting set the needle plate speed and heating temperature according to the number of turns, the longitudinal tension is multiplied by the set value according to the width of the net, and the longitudinal total tension input setting machine is used for the stretching control, and the transverse tenter is input according to the set value.
  • the machine performs shrinkage control to achieve the specified elongation, shrinkage and ventilation after the net is shaped, and improves the stability and service life of the net;
  • secondary setting the secondary setting mainly processes the socket leveling, and the machine runs one circle, and the network port can be flat;
  • S700, finished product inspection refer to the polyester net industry standard GB/T26455-2011, for comprehensive re-examination, length, width, ventilation, warp density, weft density, net flatness, interface strength, etc.;
  • S800 packaged into the warehouse, the package is customized according to the specifications, threading, certificate, and according to the regulations, the appearance of the package, specifications, direction, moisture-proof signs, light handling and other signs are clear.
  • FIG. 2 is a schematic structural view of a first embodiment of a three-layer papermaking net according to the present invention.
  • the three-layer papermaking net comprises: a paper forming layer 100, an intermediate connecting layer 200 and a machine layer 300.
  • the smallest unit of organization consists of 20 polyester monofilaments as warp threads and 60 polyester monofilaments or nylon monofilaments as weft threads;
  • the paper-forming layer 100 is alternately woven by the paper-layer warp yarns 120 and the paper-making layer weft yarns 140 by 1/1 plain weave or 2/3 forged weave, and the machine layer 300 passes through the machine layer warp threads 320 and the machine.
  • the layer weft 340 is woven by a five-weed weave, and the intermediate connecting layer 200 includes a first connecting weft 220 and a second connecting weft 240.
  • the first connecting weft 220 is interwoven with the paper layer warp 120, and the second connecting weft 240 is machined.
  • a layer warp interlace 140 for connecting the paper layer 100 to the machine layer 300;
  • the paper-making warp yarn 120 has a diameter of 0.13 mm; the paper-making layer weft thread 140 has a diameter of 0.13 mm or 0.15 mm or 0.14 mm, and a polyester monofilament is used;
  • the machine layer warp threads 320 have a diameter of 0.21 mm
  • the machine layer weft threads 340 have a diameter of 0.25 mm or 0.30 mm or 0.27 mm, and are alternately used with polyester monofilament or polyester monofilament and nylon monofilament.
  • first connecting weft wire 220 and the second connecting weft wire 240 have a diameter of 0.13 mm or 0.15 mm or 0.14 mm, and a polyester monofilament or a full nylon monofilament is used.
  • the three-layer papermaking web comprises: a paper-forming layer, an intermediate connecting layer and a machine layer, the smallest of which consists of 20 polyester monofilaments as warp threads and 60 as weft threads.
  • the polyester polyester monofilament or the nylon monofilament can improve the flatness of the paper layer, the bonding strength between the layers is firm, the machine layer is wear-resistant, and the service life is long.
  • the three-layer papermaking web may be formed by interweaving polyester monofilament or nylon monofilament from 20 heald frames.
  • Figure 3 is a schematic view showing the structure of the minimum organization unit of the first embodiment of the three-layer papermaking net of the present invention, comprising 20 polyester monofilaments as warp threads, 60 polyester or nylon monofilaments as weft threads, and white representing weft threads below the warp threads.
  • the line represents the weft above the warp, six loops from top to bottom, the first and fourth roots are the paper layer weft 140, the second and fifth roots are the machine layer weft 340, and the third and sixth roots are the intermediate joint layer weft. (ie, the first connecting weft 220 and the second connecting weft 240).
  • FIG. 4 to FIG. 8 show the warp and weft step-by-step weaving relationship diagram of 20 warp threads and 60 weft threads of the present invention, wherein the circle in the figure represents the cross section of 20 warp threads, and the broken line in the figure represents the weft. Line and indicate the number of 60 wefts
  • the intermediate connection layer 200 further includes a first connection warp 260 and a second connection warp 280.
  • the first connection warp 260 is interwoven with the paper layer weft 140
  • the second connection warp 280 is interwoven with the machine layer weft 240. To connect into the paper layer 100 and the machine layer 300.
  • the three-layer papermaking net further comprises a buffer layer located between the paper forming layer 100 and the machine layer 300, which can provide a good buffering effect, and the buffer layer may specifically be a sponge.
  • the warp root ratio of the paper layer 100 to the machine layer 300 is 1:1; the ratio of the weft roots is 3:2; the intermediate connecting layer
  • the number of wefts of 200 is 1/3 of the total number of wefts; in the paper layer 100, the warp layer 120 is made of polyester monofilament, the warp diameter is 0.13 mm; the paper layer weft 140 is made of polyester monofilament, and the weft diameter is It is 0.13mm, adopts 1/1 plain weaving method and 2/3 forging weave; the first connecting weft 220 of the intermediate connecting layer 200 and the paper layer warp 120 interweave support the paper surface, and the second connecting weft 240 In addition, it is interlaced with the machine layer warp threads 320 to function as a paper layer 100 and a machine layer 300.
  • the first connecting weft thread 220 and the second connecting weft thread 240 have a diameter of 0.13 mm, using a nylon monofilament; in the above machine layer 300, the machine layer
  • the warp 320 is made of polyester monofilament with a warp diameter of 0.21 mm, and the machine layer weft 340 is alternately used of polyester and nylon monofilament, the weft diameter is 0.25 mm, and the five-weed weave is used;
  • the warp density of the finished papermaking web was 62/cm.
  • the molding net measurement data made according to the data in the above application scenario is as follows:
  • Forming mesh thickness 0.72mm Fiber Support Index (FSI) 195 Support point (SP) 1250 Dehydration index (DI) 32.3 Surface opening ratio (SOA) 31.1% Air permeability 325CFM
  • the support point (SP) refers to a node of the formed mesh surface layer which is interlaced by warp and weft;
  • the ratio of the warp roots of the paper-forming layer 100 to the machine layer 300 is 1:1; the ratio of the number of wefts 3:2; the number of wefts of the intermediate connecting layer 200 is 1/3 of the total weft; in the paper forming layer 100, the paper-making layer warp yarn 120 is made of polyester monofilament, the warp diameter is 0.13 mm;
  • the wire and the weft have a diameter of 0.15 mm, and adopt a 1/1 plain weave method and a 2/3 forged weave method; the first connecting weft thread 220 of the intermediate connecting layer 200 and the paper layer warp line 120 are interwoven to support the paper surface,
  • the two connecting weft wires 240 are interwoven with the machine layer warp threads 320 to function as a paper layer 100 and a machine layer 300.
  • the first connecting weft thread 220 and the second connecting weft thread 240 have a diameter of 0.15 mm, and a nylon monofilament is used;
  • the machine layer warp thread 320 is made of polyester monofilament, the warp diameter is 0.21mm, the machine layer weft thread 340 is made of polyester monofilament, the weft thread diameter is 0.30mm, and the 5th weave weave method is used; the 20th comprehensive composite fiber polyester three-layer papermaking The warp density of the finished product was 62 pieces/cm.
  • the molding net measurement data made according to the data in the above application scenario is as follows:
  • the first embodiment of the three-layer papermaking net of the invention can carry out the method in the above-mentioned three-layer papermaking net manufacturing method embodiment, and the detailed description has been explained in the above three-layer papermaking net manufacturing method, and details are not described herein again.

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Abstract

公开了一种三层造纸网及其制造方法，三层造纸网包括成纸层（100）、中间连接层（200）和机器层（300）。制造方法包括采用至少两种织法交替织造形成成纸层，其中至少两种织法至少包括平织编织法、缎纹编织法和斜纹编织法。该三层造纸网及其制造方法能够提高成纸层的平整性、机器层的耐磨性、以及层间结合的牢固度。

Description

一种三层造纸网制造方法以及三层造纸网 【技术领域】
本发明涉及造纸机的湿部，具体讲是一种应用在造纸机湿部，起纸页成形和脱水的一种线网器材，即三层造纸网以及三层造纸网制造方法。
【背景技术】
造纸成形网是造纸机湿部重要的成形和脱水材料，现有的造纸成形网虽然基本能完成纸页成形和脱水任务，但其不足之处是现有的造纸成形网成纸层凹凸不平、纤维支撑指数不高，造成成纸表面网痕明显，使纸的纤维和填料留着率不高，纸页成形不匀、纸页不易从网上剥离，不适应生产高档用纸的需要。而且现有的造纸成形网的成纸层与机器层间结合力薄弱，易产生层间分离和相对位移，机器层与造纸机接触面的耐磨性不够，导致造纸成形网的使用寿命较短。
【发明内容】
本发明主要解决的技术问题是提供三层造纸网制造方法以及三层造纸网，能够提高成纸层平整性，层间结合力牢固，机器层耐磨，使用寿命长。
为了解决上述问题，本发明提供了一种三层造纸网的制造方法，其中，包括：采用平织编织法和缎纹编织法交替织造形成成纸层；
采用至少一种织法织造形成机器层；
其中，每组最小循环结构单元内有两根面层纬线，通过综框的变化使得其中一根纬线为平织织法，另一根为锻纹织法。
其中，采用至少一种织法织造形成机器层步骤具体包括：
采用5综编织织法交替织造形成机器层。
为了解决上述问题，本发明提供了一种三层造纸网的制造方法，其 中，包括：采用至少两种织法交替织造形成成纸层；
其中，至少两种织法至少包括平织编织法、缎纹编织法和斜纹编织法。
其中，采用至少两种织法交替织造形成成纸层具体是指：
采用平织编织法和缎纹编织法交替织造形成成纸层；
其中，每组最小循环结构单元内有两根面层纬线，通过综框的变化使得其中一根纬线为平织织法，另一根为锻纹织法。
其中，采用至少两种织法交替织造形成成纸层具体是指：
采用平织编织法和斜纹编织法交替织造形成成纸层。
其中，在采用至少两种织法交替织造形成成纸层步骤之后包括：
采用至少一种织法织造形成机器层。
其中，采用至少一种织法织造形成机器层步骤具体包括：
采用5综编织织法交替织造形成机器层。
为了解决上述问题，本发明提供了一种三层造纸网，其中，包括：成纸层、中间连接层和机器层；
其中，成纸层通过成纸层经线和和成纸层纬线，采用平织编织法和锻纹织法交替织成。
其中，成纸层通过成纸层经线和和成纸层纬线，采用1/1平织编织法和锻纹织法交替织成。
其中，三层造纸网包括多个最小组织单元，最小组织单元由作为经线的20根聚酯单丝和作为纬线的60根聚酯单丝或尼龙单丝组成。
其中，机器层通过机器层经线和机器层纬线，采用5综编织织法织成，中间连接层包括第一连接纬线和第二连接纬线，第一连接纬线与成纸层经线交织，第二连接纬线与机器层经线交织，用于将成纸层与机器层连接起来；
其中，成纸层经线直径为0.13mm；成纸层纬线直径为0.13mm或0.15mm或0.14mm，采用聚酯单丝；
其中，机器层经线直径为0.21mm，机器层纬线直径为0.25mm或0.30mm或0.27mm，采用聚酯单丝或聚酯单丝和尼龙单丝交替使用；
其中，第一连接纬线和第二连接纬线直径为0.13mm或0.15mm或0.14mm，采用聚酯单丝或全尼龙单丝。
其中，三层造纸网采用20片综框将聚酯单丝或尼龙单丝交织而成。
其中，还包括缓冲层，缓冲层位于成纸层和机器层之间。
其中，高速宽幅复合纤维聚酯三层造纸网的经线密度为62根/cm；成纸层与机器层的经线根数比为1∶1；成纸层与机器层的纬线根数比为3∶2；中间连接层的纬线根数占总纬线根数的1/3。
本发明的有益效果是：区别于现有技术的情况，本发明三层造纸网通过采用20片综框将聚酯单丝或尼龙单丝交织而成，包括：成纸层、中间连接层和机器层，其最小组织单元由作为经线的20根聚酯单丝和作为纬线的60根聚酯单丝或尼龙单丝组成，能够提高成纸层平整性，层间结合力牢固，机器层耐磨，使用寿命长。
【附图说明】
图1，图1是本发明一种三层造纸网的制造方法第一实施例的流程示意图；
图2是本发明三层造纸网第一实施例的结构示意图；
图3是本发明三层造纸网第一实施例其最小组织单元的结构示意图；
图4至图8是本发明20根经线和60根纬线的经纬分步织造关系图；
图9是本发明三层造纸网可选实施例的结构示意图。
【具体实施方式】
为更进一步阐述本发明所采取的技术手段及其效果，以下结合本发明的实施例及其附图进行详细描述。
参照图1，图1是本发明一种三层造纸网的制造方法第一实施例的流程示意图，其中包括：
S100采用至少两种织法交替织造形成成纸层；
其中，至少两种织法至少包括平织编织法、缎纹编织法和斜纹编织 法。
其中，平平纹织物：平纹组织的经纱和纬纱以一上一下的规律交织。也就是经纬纱每隔一根纱就交错一次，所以交织点最多，纱线屈曲点最多，使织物坚牢、耐磨、硬挺、平整，但弹性较小，光泽一般，平纹织物密度不可能太高，较为轻薄，耐磨性较好，透气性较好。
斜纹织物：一个完全组织中至少要有三根经纱和三根纬纱相互交织，每根经纱纬纱上只能有一个纬经组织点。在织物表面由连续的组织点构成斜向纹路。斜纹组织是由经浮长线或纬浮长线构成织物表面呈现的斜纹的外观效应。斜纹织物的经纬纱交织的次数比平纹少，是经纬纱之间的孔隙较小，纱线可以排列的较密，从而织物比较致密厚实。斜纹较平纹织物手感柔软，弹性好。但由于斜纹织物浮长线较长，在经纬纱粗细、密度相同的条件下，耐磨性、坚牢度不如平纹织物。布面有明显斜向纹路、手感、光泽、弹性较好。
缎纹组织指经线(或纬线)浮线较长，交织点较少，它们虽形成斜线，但不是连续的，相互间隔距离有规律而均匀，此织物结构形式称为缎纹组织。缎纹织物的浮长线较长，坚牢度也最差，但质地柔软，绸面光滑，光泽也好，最为富贵华丽，故在织物中应用很广。如织锦缎、花软缎等花组织中的地组织采用的都是缎纹组织。缎纹组织结构图缎面一般是指织物反映经向原料多的一面：如色丁经向用有光丝，那么光泽好的那面平时我叫它是缎面，缎纹区别于平纹和斜纹在于上线跳线更长，并且斜纹夹角更小，光泽更强，更光滑，更美观，缺点在于容易剐丝，虽然光滑但是不够柔软。
S100采用至少两种织法交替织造形成成纸层具体是指：
S120采用平织编织法和缎纹编织法交替织造形成成纸层；
其中，每组最小循环结构单元内有两根面层纬线，通过综框的变化使得其中一根纬线为平织织法，另一根为锻纹织法。
此外，在本发明三层造纸网的制造方法其他实施例中，还可以采用平织编织法和斜纹编织法交替织造形成成纸层。
具体的，在步骤S120中，成纸层采用采用1/1平织编织法和2/3锻 纹织法交替织造。
在S100采用至少两种织法交替织造形成成纸层步骤之后包括：
S200采用至少一种织法织造形成机器层。
采用至少一种织法织造形成机器层步骤具体包括：
S220采用5综编织织法交替织造形成机器层。
继续参照图1，在S100采用至少两种织法交替织造形成成纸层步骤之前的步骤还包括：
S020，线材检验：根据生产计划要求的经径、热缩、拉伸强度、耐酸碱度指标逐项检验，并根据具体生产要求进行分批次抽检或全检；
S040，整经：通过外力使得每一根单丝张力均匀一致；
在S200采用至少一种织法织造形成机器层步骤之后的步骤还包括：
S300，验网：对织造网进行预检验，处理网体瑕疵、并进行情况登记，为合理切网提供依据；
一次定型：根据圈数设置定型针板速度、加热温度，纵向张力根据网子宽度乘以设定值，计算出纵向总张力输入定型机进行拉伸控制，横向拉幅器按设定值输入定型机进行收缩控制，使网子定型后达到规定伸长、收缩和透气、提高网子的稳定性和使用寿命；
S400，裁网：按用户要求的网型、透气、规格切网，切网前必须要根据生产工作票进行严格预检，避开有问题的网体，合理拼切，保证成网率；
S500，插接：通过插接工序，将切好的网体两端拆掉一定宽度的纬线，分别将螺旋环编织进网体里，最后用专门的连接线通过螺旋环将网子连接起来；
S600，二次定型：二次定型主要处理插口平整，上机运转一圈，网口平整即可；
S700，成品检验：参照聚酯网行业标准GB/T26455-2011，进行全面复检，长、宽、透气、经密、纬密、网子平整度、接口强度等；
S800，包装入库，包装箱按规范定制，穿丝、合格证、按规定放入，包装箱外观型号规格、方向、防潮标志、轻拿轻放等标识清楚。
参照图2，图2是本发明一种三层造纸网第一实施例的结构示意图，在该实施例中，三层造纸网包括：成纸层100、中间连接层200和机器层300，其最小组织单元由作为经线的20根聚酯单丝和作为纬线的60根聚酯单丝或尼龙单丝组成；
其中，成纸层100通过成纸层经线120和和成纸层纬线140，采用1/1平织编织法或2/3锻纹织法交替织成，机器层300通过机器层经线320和机器层纬线340，采用5综编织织法织成，中间连接层200包括第一连接纬线220和第二连接纬线240，第一连接纬线220与成纸层经线120交织，第二连接纬线240与机器层经线交织140，用于将成纸层100与机器层300连接起来；
成纸层经线120直径为0.13mm；成纸层纬线140直径为0.13mm或0.15mm或0.14mm，采用聚酯单丝；
机器层经线320直径为0.21mm，机器层纬线340直径为0.25mm或0.30mm或0.27mm，采用聚酯单丝或聚酯单丝和尼龙单丝交替使用。
其中，第一连接纬线220和第二连接纬线240直径为0.13mm或0.15mm或0.14mm，采用聚酯单丝或全尼龙单丝。
在本发明三层造纸网第一实施例中，三层造纸网通过包括：成纸层、中间连接层和机器层，其最小组织单元由作为经线的20根聚酯单丝和作为纬线的60根聚酯单丝或尼龙单丝组成，能够提高成纸层平整性，层间结合力牢固，机器层耐磨，使用寿命长。
可选的，三层造纸网可以是由20片综框将聚酯单丝或尼龙单丝交织而成。
图3是本发明三层造纸网第一实施例其最小组织单元的结构示意图，由20根聚酯单丝作为经线，60根聚酯或尼龙单丝作为纬线，白色代表纬线在经线下面，剖面线代表纬线在经线上面，从上往下6根一循环，第1、4根是成纸层纬线140，第2、5根是机器层纬线340，第3和第6根是中间连接层纬线(即第一连接纬线220和第二连接纬线240)。
此外，图4至图8给出了本发明20根经线和60根纬线的经纬分步织造关系图，图中的圆圈代表20根经线的横截面，图中的折线代表纬 线，并标明60根纬线的编号
参照图9，可选的，中间连接层200还包括第一连接经线260和第二连接经线280，第一连接经线260与成纸层纬线140交织，第二连接经线280与机器层纬线240交织，以连接成纸层100和机器层300。
可选的，三层造纸网还包括缓冲层，缓冲层位于成纸层100和机器层300之间，能够起到很好的缓冲效果，缓冲层具体的可以是海绵。
为了进一步说明本实施方式的技术效果，下面列举2个具体应用场景，并对产品进行了实验进行说明，实验中的任何数据并不表示任何限定。
在本发明一种三层造纸网第一实施例一个具体的应用场景中，成纸层100与机器层300的经线根数比为1∶1；纬线根数比为3∶2；中间连接层200的纬线根数占总纬线数的1/3；成纸层100中，成纸层经线120采用聚酯单丝，经线直径为0.13mm；成纸层纬线140采用聚酯单丝，纬线直径为0.13mm，采用1/1平织编织法和2/3锻纹织法；中间连接层200的第一连接纬线220与成纸层经线120交织对纸面起支撑作用，第二连接纬线240又与机器层经线320交织起到缝合成纸层100与机器层300的作用，第一连接纬线220和第二连接纬线240直径为0.13mm，采用尼龙单丝；上述机器层300中，机器层经线320采用聚酯单丝，经线直径为0.21mm，机器层纬线340采用聚酯和尼龙单丝交替使用，纬线直径为0.25mm，采用5综编织织法；本20综复合纤维聚酯三层造纸网成品的经线密度为62根/cm。
根据上述应用场景中的数据制成的成型网测量数据如下：
成形网厚度 0.72mm
纤维支撑指数(FSI) 195
支撑点(SP) 1250
脱水指数(DI) 32.3
面层开孔率(SOA) 31.1％
透气度 325CFM
其中，支撑点(SP)是指成型网面层经纬交织的节点；
在本发明一种高速宽幅复合纤维聚酯三层造纸网第一实施例一个具体另一个应用场景中，成纸层100与机器层300的经线根数比为1∶1；纬线根数比为3∶2；中间连接层200的纬线根数占总纬线数的1/3；成纸层100中，成纸层经线120采用聚酯单丝，经线直径为0.13mm；纬线采用聚酯单丝，纬线直径为0.15mm，采用1/1平织编织法和2/3锻纹织法；中间连接层200的第一连接纬线220与成纸层经线120交织对纸面起支撑作用，第二连接纬线240与机器层经线320交织起到缝合成纸层100与机器层300的作用，第一连接纬线220和第二连接纬线240直径为0.15mm，采用尼龙单丝；上述机器层300中，机器层经线320采用聚酯单丝，经线直径为0.21mm，机器层纬线340采用聚酯单丝，纬线直径为0.30mm，采用5综编织织法；本20综复合纤维聚酯三层造纸网成品的经线密度为62根/cm。
根据上述应用场景中的数据制成的成型网测量数据如下：
成形网厚度 0.80mm
纤维支撑指数(FSI) 170
支撑点(SP) 962
脱水指数(DI) 32.0
面层开孔率(SOA) 28.4％
透气度 360CFM
该发明三层造纸网第一实施例可以执行上述三层造纸网制造方法实施例中的方法，详细说明已经在上述三层造纸网制造方法中做了交代，在此不再赘述。
以上所述仅为本发明的实施方式，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (14)

  1. 一种三层造纸网的制造方法，其中，包括：采用平织编织法和缎纹编织法交替织造形成成纸层；
    采用至少一种织法织造形成机器层；
    其中，每组最小循环结构单元内有两根面层纬线，通过综框的变化使得其中一根纬线为平织织法，另一根为锻纹织法。
  2. 根据权利要求1所述的三层造纸网的制造方法，其中，所述采用至少一种织法织造形成机器层步骤具体包括：
    采用5综编织织法交替织造形成机器层。
  3. 一种三层造纸网的制造方法，其中，包括：采用至少两种织法交替织造形成成纸层；
    其中，所述至少两种织法至少包括平织编织法、缎纹编织法和斜纹编织法。
  4. 根据权利要求3所述的三层造纸网的制造方法，其中，所述采用至少两种织法交替织造形成成纸层具体是指：
    采用平织编织法和缎纹编织法交替织造形成成纸层；
    其中，每组最小循环结构单元内有两根面层纬线，通过综框的变化使得其中一根纬线为平织织法，另一根为锻纹织法。
  5. 根据权利要求3所述的三层造纸网的制造方法，其中，所述采用至少两种织法交替织造形成成纸层具体是指：
    采用平织编织法和斜纹编织法交替织造形成成纸层。
  6. 根据权利要求3所述的三层造纸网的制造方法，其中，在所述采用至少两种织法交替织造形成成纸层步骤之后包括：
    采用至少一种织法织造形成机器层。
  7. 根据权利要求6所述的三层造纸网的制造方法，其中，所述采用至少一种织法织造形成机器层步骤具体包括：
    采用5综编织织法交替织造形成机器层。
  8. 一种三层造纸网，其中，包括：成纸层、中间连接层和机器层；
    其中，所述成纸层通过成纸层经线和和成纸层纬线，采用平织编织法和锻纹织法交替织成。
  9. 根据权利要求8所述的三层造纸网，其中，所述成纸层通过成纸层经线和和成纸层纬线，采用1/1平织编织法和锻纹织法交替织成。
  10. 根据权利要求8所述的三层造纸网，其中，所述三层造纸网包括多个最小组织单元，所述最小组织单元由作为经线的20根聚酯单丝和作为纬线的60根聚酯单丝或尼龙单丝组成。
  11. 根据权利要求8所述的三层造纸网，其中，所述机器层通过机器 层经线和机器层纬线，采用5综编织织法织成，所述中间连接层包括第一连接纬线和第二连接纬线，所述第一连接纬线与所述成纸层经线交织，所述第二连接纬线与所述机器层经线交织，用于将所述成纸层与所述机器层连接起来；
    其中，所述成纸层经线直径为0.13mm；所述成纸层纬线直径为0.13mm或0.15mm或0.14mm，采用聚酯单丝；
    其中，所述机器层经线直径为0.21mm，所述机器层纬线直径为0.25mm或0.30mm或0.27mm，采用聚酯单丝或聚酯单丝和尼龙单丝交替使用；
    其中，所述第一连接纬线和所述第二连接纬线直径为0.13mm或0.15mm或0.14mm，采用聚酯单丝或全尼龙单丝。
  12. 根据权利要求8所述的三层造纸网，其中，所述三层造纸网采用20片综框将聚酯单丝或尼龙单丝交织而成。
  13. 根据权利要求8所述的三层造纸网，其中，还包括缓冲层，所述缓冲层位于所述成纸层和所述机器层之间。
  14. 根据权利要求8所述的三层造纸网，其中，所述高速宽幅复合纤维聚酯三层造纸网的经线密度为62根/cm；所述成纸层与所述机器层的经线根数比为1∶1；所述成纸层与所述机器层的纬线根数比为3∶2；所述中间连接层的纬线根数占总纬线根数的1/3。
PCT/CN2016/096078 2016-08-03 2016-08-19 一种三层造纸网制造方法以及三层造纸网 WO2018023839A1 (zh)

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