CN105442376B - A kind of crescent paper machine dewatering net - Google Patents
A kind of crescent paper machine dewatering net Download PDFInfo
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- CN105442376B CN105442376B CN201510799652.0A CN201510799652A CN105442376B CN 105442376 B CN105442376 B CN 105442376B CN 201510799652 A CN201510799652 A CN 201510799652A CN 105442376 B CN105442376 B CN 105442376B
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- dewatering net
- paper
- dewatering
- net
- paper machine
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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
- D21F1/10—Wire-cloths
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Abstract
The invention discloses a kind of crescent paper machine dewatering net, woven using 16 warps and 24 parallel circulations, wherein 16 warps and 16 parallels interweave with forming dehydration web tier, form dewatering net front, dewatering net front is satin tissue;16 warps and 8 parallels interweave with forming dewatering net lower floor, form dewatering net reverse side, and dewatering net reverse side is Warp Satin tissue;This kind crescent paper machine dewatering net, fast, uniform with dewatering speed, energy consumption is low, the oblique lines of paper for daily use of production is clear, super soft, bulk height, the features such as water imbibition is strong, intensity is good;Production same thickness and product of the same area apply flexibly paper low with 20% wood pulp cellulose than ordinary student, a large amount of to save lumber fibre and the forest reserves.
Description
Technical field
The present invention relates to paper grade (stock) dewatering net, a kind of crescent paper machine dewatering net is more particularly related to.
Background technology
Paper machine is the essential valuable drainage facilities of papermaking enterprise with dewatering net, is to apply in paper machine wet end, with one
Fixed speed round and round, paper pulp is uniformly ejected on dewatering net by head box, by the operation of dewatering net by breast roll, into
The dewatering elements such as shape plate, Wiper blade, low vacuum suction box, high vacuum suction box, couch roll, the moisture removal in slurry by fiber
It is retained on dewatering net and forms l Water Paper page, is sent to press section.The use of dewatering net must is fulfilled for quality of finished paper and service life
It is required that, therefore dewatering net the texture structure of dewatering net must be considered on organizational structure design, it is fiber support index, ventilative
Degree, vertically and horizontally freeness, the factor such as stability, deflection and service life, reach optimization.
Paper for daily use is daily necessities, such as tissue, toilet paper, tissue product, is even more and personal healthcare
Closely bound up, demand has great rigidity, once use habit is formed, influence people that also will not be excessive even if economy downturn
To the daily demand of paper for daily use.In addition, paper for daily use also falls within a member of fast-moving consumer goods, expendable consumed product is belonged to, more
Change very high frequency and often have periodically, can constantly produce new demand.The production and consumption level of paper for daily use is to weigh
One important symbol of modernization of the country level and civilization degree.China in Recent Years paper for daily use industry is with economic development, people
Mouthful increase and people's living standard raising and rapid growth.
At present, Chinese paper for daily use consumption figure is only second to North America and West Europe area, occupies third place in the world.Life in China
It is in great demand with paper market, continue to keep the rapid growth impetus, be that paper for daily use enterprise and other paper kind papermaking enterprises newly increase production
The bright spot of investment of energy.With China's expanding economy and urbanization, the quickening of internationalization process, the market demand potential will be released constantly
Put, be that paper for daily use this Chaoyang industry brings huge development space.
Crescent paper machine is that Kimberly company of the U.S. invents in late 1960s, and the present invention makes paper for daily use
Quality and paper machine speed reached good combination.Utilized by the practices of more than 40 years, crescent paper machine is high in the whole world
The leading type of fast toilet paper machine, is also considered as optimal type.It has advantages below:
1. speed is high, production capacity is big.Usual speed is 1000~2200 ms/min, the ton per day of production capacity 50~220;
2. dehydration is quick, uniform;
3. fiber retention is high, into paper quality better;
4. the long lifespan of net, blanket;
5. simple in construction compared with other toilet paper machines, it is easy to operate, it is necessary to operating personnel it is few.
The most outstanding advantages of crescent paper machine are that speed is high, production capacity is big, into paper quality better.Pliability, pine from product
From the point of view of the quality index such as thickness, the type of crescent paper machine, particularly double-layer headbox structure has excellent than BF type paper machines
Gesture, is more suitable for the high-grade paper for daily use of production.Crescent paper machine performance advantage is protruded, and in recent years, China increases paper for daily use newly
In production capacity, based on crescent paper machine, about 50 or so, still have a large amount of newly-built and building crescent paper machine project.
Crescent paper machine is the indispensable rapid wear easily-consumed products of crescent paper machine with dewatering net, it is necessary to regularly replace, mostly
Change a net within 3 months in the case of number.
Existing dewatering net is mainly used in production and living paper, paper machine speed on fourdrinier machine and inclined wire paper machine
It is low, 800 ms/min are no more than mostly, although can meet dehydration and shaping needs, but the paper for daily use surface of production does not have lines,
Tightness is big, and pliability is poor, it is impossible to meet fine tissue production needs, and particularly crescent paper machine production needs.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide the use need for the paper machine that can meet high speed
Ask, dewatering speed is fast, uniform, and energy consumption is low, the oblique lines of paper for daily use of production is clear, pliability is good, bulk is high, water imbibition
By force, the good crescent paper machine dewatering net of intensity.
To achieve these goals, the technical solution adopted by the present invention is:
This kind crescent paper machine dewatering net, is woven using 16 warps and 24 parallel circulations, wherein 16 warps
Interweave with forming dewatering net front with 16 parallels, dewatering net front is satin tissue;16 warps and 8 parallel intertexture shapes
Into dewatering net reverse side, dewatering net reverse side is Warp Satin tissue.
Dewatering net front forms oblique lines, after slurry is ejected into dewatering net by head box, dewatering net fast eliminating
Moisture in slurry, fiber is retained on dewatering net and l Water Paper page is formed, and l Water Paper page and dewatering net front face duplicate dewatering net
Positive oblique lines, forms clearly oblique lines on page.
The end diameter is 0.15mm, and material is monofilament polyester.
Positive 16 weft wire diameters of dewatering net are 0.13mm, and material is monofilament polyester;8 parallels of dewatering net reverse side are straight
Footpath be in 0.22mm, 8 parallels 4 be monofilament polyester, 4 are monofilament polyester and nylon in nylon monofilament, and 8 parallels in addition
Monofilament alternately weaves.
The warp density is 72.0 ± 1.0/cm;The weft density is 55.0 ± 1.0/cm or 50.0 ± 1.0
Root/cm.
Paper pliability≤the 45mN, bulk 11.6cm of the dewatering net manufacture3/ g, tension stress index >=4.8Nm/
g。
The dewatering net is used for the paper machine that speed is 1000~2200 ms/min, and speed is 1000~1600 ms/min
On paper machine, the dewatering net that selection weft density is 55.0 ± 1.0/cm, speed is 1600~2200 ms/min of paper machine
On, the dewatering net that selection weft density is 50.0 ± 1.0/cm.
The advantage of the invention is that:This kind crescent paper machine dewatering net, fast, uniform with dewatering speed, energy consumption is low,
The features such as oblique lines of paper for daily use of production is clear, super soft, bulk is high, water imbibition is strong, intensity is good.Produce same thickness
Paper low is applied flexibly with 20% wood pulp cellulose than ordinary student with product of the same area, it is a large amount of to save lumber fibre and forest money
Source.
Experiments verify that, in the case of other conditions all same, tested with 13gsm paper for daily uses body paper, with existing skill
The paper for daily use of the dewatering net production of art manufacture is compared, the paper manufactured using the crescent paper machine with dewatering net:Pliability
≤ 45mN, bulk 11.6cm3Oblique lines is clear on/g, tensile index (average in length and breadth) >=4.8Nm/g, paper.Existing skill
The dewatering net of art manufacture:Pliability≤67mN, bulk 9.6cm3On/g, tensile index (average in length and breadth) >=4.2Nm/g, paper
There is no oblique lines.The paper for daily use paper quality improvement manufactured using the crescent paper machine with dewatering net is obvious.
Brief description of the drawings
Mark in the content and figure expressed below each width accompanying drawing of description of the invention is briefly described:
Fig. 1 is the structural representation of the dehydration web tier of crescent paper machine dewatering net of the invention.
Fig. 2 is the structural representation of the dewatering net lower floor of crescent paper machine dewatering net of the invention.
Fig. 3 is the schematic cross-section of the dewatering net of crescent paper machine dewatering net of the invention.
Embodiment
Below against accompanying drawing, by the description to optimum embodiment, the embodiment to the present invention makees further detailed
Thin explanation.
:1~16 is 16 warps, and 21~36 be 16, upper strata parallel, and 41~48 be lower floor 8
Root parallel.
As shown in Figure 1:1~16 totally 16 warps and 21~36 totally 16 parallels interweave with forming dehydration web tier, formed de-
Network of rivers front, dewatering net front forms oblique lines and satin tissue, and protrusion front parallel support fiber fines, fiber is stayed
That rate is high, paper basis weight is low, evenness is good.
As shown in Figure 2:1~16 totally 16 warps and 41~48 totally 8 parallels interweave with forming dewatering net lower floor, formed dehydration
Net reverse side, dewatering net reverse side formation Warp Satin tissue, protrusion reverse side parallel weares and teares by it, and service life is long.
As shown in Figure 3:1~16 totally 16 warps and 21~36 and 41~48 totally 24 parallels interweave, by the upper and lower
It is woven together, forms multi-layer braided technology.
This kind crescent paper machine dewatering net, uses multi-layer braided technology in institutional framework, using 16 warps and
24 parallel circulation braidings, wherein 16 warps and 16 parallels interweave with forming dewatering net front, dewatering net front is filling satin
Line tissue;16 warps and 8 parallels interweave with forming dewatering net reverse side, and dewatering net reverse side is Warp Satin tissue.
Dewatering net front forms oblique lines, after slurry is ejected into dewatering net by head box, dewatering net fast eliminating
Moisture in slurry, fiber is retained on dewatering net and l Water Paper page is formed, and l Water Paper page and dewatering net front face duplicate dewatering net
Positive oblique lines, forms clearly oblique lines on page, and this oblique lines requires to produce with crescent paper machine
Paper matches with clearly oblique lines, improves the quality of production paper.
16 warps and 16 parallels interweave with forming dehydration web tier, form dewatering net front, and dewatering net front forms oblique
To lines and satin tissue, protrusion front parallel support fiber fines, fiber retention is high, paper basis weight is low, evenness is good;
16 warps and 8 parallels interweave with forming dewatering net lower floor, form dewatering net reverse side, dewatering net reverse side formation Warp Satin group
Knit, protrusion reverse side parallel weares and teares by it, service life is long.
It is preferred that end diameter is 0.15mm, material is monofilament polyester;Using suitable diameter, it can be formed reliable and stable
Dewatering net institutional framework, while improving service life, improves shaping paper quality.
It is 0.13mm positioned at positive 16 weft wire diameters of dewatering net, material is monofilament polyester;The reverse side under dewatering net
8 weft wire diameters be 0.22mm, 4 are monofilament polyester and 4 are polyester list in nylon monofilament, and 8 parallels in 8 parallels
Silk and nylon monofilament alternately weave.16 parallels in dewatering net front are different with the diameter of 8 parallels of dewatering net reverse side, 16, front
Parallel further meets the demand of support fiber fines, and 8 parallels of reverse side meet wear-resisting demand, used with further improving
Life-span;A monofilament polyester and a nylon monofilament alternately weave in 8 parallels of reverse side simultaneously, and nylon monofilament wearability is more excellent
In monofilament polyester, addition nylon monofilament increase forming net wearability further improves service life.
Preferably, warp density is 72.0 ± 1.0/cm;Weft density is 55.0 ± 1.0/cm or 50.0
± 1.0/cm;Filling density density is smaller, and the air permeability of dewatering net is bigger, and drainage rate is faster, the water of removing in the identical time
Amount is more, can further improve the quality of forming paper.
Crescent paper machine is useful in dewatering net on the paper machine that usual speed is 1000~2200 ms/min, and maximum is most
Small speed differs one times, and speed is different, requires different to the dewatering speed of dewatering net, 1000~1600 ms/min under normal circumstances,
The dewatering net that weft density is 55.0 ± 1.0/cm is selected, 1600~2200 ms/min, selection weft density is 50.0 ± 1.0
Root/cm dewatering net.Weft density is two kinds, to meet different speed demands, can further ensure the quality of forming paper.
Experiments verify that, in the case of other conditions all same, tested with 13gsm paper for daily uses body paper, with existing skill
The paper for daily use of the dewatering net production of art manufacture is compared, the paper manufactured using the crescent paper machine with dewatering net:Pliability
≤ 45mN, bulk 11.6cm3Oblique lines is clear on/g, tensile index (average in length and breadth) >=4.8Nm/g, paper.Existing skill
The dewatering net of art manufacture:Pliability≤67mN, bulk 9.6cm3On/g, tensile index (average in length and breadth) >=4.2Nm/g, paper
There is no oblique lines.The paper for daily use paper quality improvement manufactured using the crescent paper machine with dewatering net is obvious.
This kind crescent paper machine dewatering net has dewatering speed fast, uniform, and energy consumption is low, and the paper for daily use of production is oblique
The advantages of lines is clear, super soft, bulk is high, water imbibition is strong, intensity is good.Produce same thickness and product of the same area will
Paper low is applied flexibly with 20% wood pulp cellulose than ordinary student, it is a large amount of to save lumber fibre and the forest reserves.
The obvious present invention, which is implemented, to be not subject to the restrictions described above, as long as employing method design and the skill of the present invention
The improvement for the various unsubstantialities that art scheme is carried out, within protection scope of the present invention.
Claims (1)
1. a kind of crescent paper machine dewatering net, it is characterised in that:Using 16 warps and 24 parallel circulation braidings, wherein
16 warps and 16 parallels interweave with forming dewatering net front, and dewatering net front is satin tissue;16 warps and 8 latitudes
Line interweaves with forming dewatering net reverse side, and dewatering net reverse side is Warp Satin tissue;The warp density is 72.0 ± 1.0/cm;Institute
Weft density is stated for 55.0 ± 1.0/cm or 50.0 ± 1.0/cm;Dewatering net front forms oblique lines, when slurry passes through
Head box is ejected into after dewatering net, moisture in dewatering net fast eliminating slurry, and fiber is retained on dewatering net and l Water Paper is formed
Page, l Water Paper page and dewatering net front face, duplicate the positive oblique lines of dewatering net, clearly oblique line are formed on page
Road;
The end diameter is 0.15mm, and material is monofilament polyester;Positive 16 weft wire diameters of dewatering net are 0.13mm, material
For monofilament polyester;8 weft wire diameters of dewatering net reverse side are 0.22mm, and 4 are monofilament polyester in 8 parallels, and 4 are Buddhist nun in addition
Monofilament polyester and nylon monofilament alternately weave in imperial monofilament, and 8 parallels;
Paper pliability≤the 45mN, bulk 11.6cm of the dewatering net manufacture3/ g, tension stress index >=4.8Nm/g;Institute
It is 1000~2200 ms/min of paper machine to state dewatering net to be used for speed, speed on 1000~1600 ms/min of paper machine,
The dewatering net that weft density is 55.0 ± 1.0/cm is selected, speed is more than on 1600 ms/min to 2200 ms/min of paper machine,
Select the dewatering net that weft density is 50.0 ± 1.0/cm.
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CN201510799652.0A CN105442376B (en) | 2015-11-18 | 2015-11-18 | A kind of crescent paper machine dewatering net |
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CN201510799652.0A CN105442376B (en) | 2015-11-18 | 2015-11-18 | A kind of crescent paper machine dewatering net |
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CN105442376A CN105442376A (en) | 2016-03-30 |
CN105442376B true CN105442376B (en) | 2017-09-12 |
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Publication number | Priority date | Publication date | Assignee | Title |
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AT385533B (en) * | 1986-08-04 | 1988-04-11 | Hutter & Schrantz Ag | TWO-LAYER PAPER MACHINE SCREEN |
CN201314007Y (en) * | 2008-12-15 | 2009-09-23 | 董华伟 | Novel durable forming fabric for papermaking |
CN201314006Y (en) * | 2008-12-15 | 2009-09-23 | 董华伟 | Forming fabric with high-retention rate for paper making |
CN201395739Y (en) * | 2009-05-08 | 2010-02-03 | 河南省华丰网业有限公司 | Two and a half layer forming fabric with high retention rate used for light weight papermaking |
CN201520923U (en) * | 2009-07-31 | 2010-07-07 | 安徽华宇网业有限公司 | Double-layer paper-making mesh |
CN103469667B (en) * | 2013-08-08 | 2016-08-17 | 浙江科技学院 | A kind of manufacture method of high-stiffness two-layer half paper making forming net |
CN205205568U (en) * | 2015-11-18 | 2016-05-04 | 安徽华辰造纸网股份有限公司 | Crescent type dehydration mesh for paper machine |
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