CN101435171B - Method for producing recuperated yarn tube base paper by using waste slag and product thereof - Google Patents
Method for producing recuperated yarn tube base paper by using waste slag and product thereof Download PDFInfo
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- CN101435171B CN101435171B CN2008102339486A CN200810233948A CN101435171B CN 101435171 B CN101435171 B CN 101435171B CN 2008102339486 A CN2008102339486 A CN 2008102339486A CN 200810233948 A CN200810233948 A CN 200810233948A CN 101435171 B CN101435171 B CN 101435171B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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Abstract
The invention relates to a manufacturing method which utilizes waste residue to produce regenerated yarn cop base paper and an obtained product thereof. The method comprises the following steps: the full stuff of processed waste slurry residue and the full stuff of processed waste paper are mixed according to proportion to carry out sand paper tube forming and then the regenerated yarn cop base paper is obtained. By adopting the method, waste paper resources can be saved, waste water treatment can be reduced, and the obtained regenerated yarn cop base paper has the advantages of low ration, good quality and the like.
Description
Technical field
The present invention relates to a kind of production method of the spool body paper of regenerating, especially relate to a kind of waste residue production regeneration spool body paper that utilizes.The regeneration spool body paper that the method thus of the invention still further relates to obtains.
Background technology
Cop tube paper is the industrial and technical paper that chemical fibre equipment factory uses in the textile industry, is used for making long filament high speed spinning copper core.It not only requires to have and higher does, wet strength, smoothness, ABRASION RESISTANCE, also must possess the characteristics of anti-oil, anti-water, and it is phozy, indeformable in high speed terylene spinning process to require to roll into the pipe back, not explosion.Based on These characteristics, require cop tube paper to have certain physical intensity, and will have very high quantitatively (360-520g/m normally
2), its presentation quality is not done requirement.Before the present invention makes, to produce cop tube paper and be mostly that adopting full waste paper is raw material, the mode of manufacturing paper with pulp of paper machine adopts a plurality of cylinders (normally 6 or 8 cylinder cylinder moulds), just can realize producing the quantitative paper kind of this height.But adopting such production method is that the raw material production cost is than higher with full waste paper on the one hand, order adopts the molding mode of manufacturing paper with pulp of a plurality of cylinders to exist the page interlayer in conjunction with problem on the one hand, interlayer adhesion difference causes the easy layering of page, influences into the paper strength of paper.
Summary of the invention
Purpose of the present invention is exactly to solve the defective that the existing cop tube paper mode of production exists in the background technology, proposing a kind of simultaneously is the production technology of raw material production cop tube paper with useless screenings of part and waste paper, realizes reducing production costs, economizes in raw materials, the purpose of comprehensive utilization of waste materials.
The technical solution used in the present invention is to be raw material with waste paper and useless screenings, and the mode of manufacturing paper with pulp that adopts fourdrinier wire+top to net is produced cop tube paper.Concrete grammar is as follows:
1, the present invention manufacture paper with pulp the raw material that cop tube paper adopts: a, other is the useless screenings that the production system of raw material production boxboard or fluting medium produces with waste paper, this screenings is mainly derived from latter end fine screen tailings and heavy desander tailings; B, domestic waste paper.The base stock proportioning is useless screenings: waste paper=40～60: 60～40, can require to carry out the adjustment of proportioning raw materials according to product quality.
2, useless screenings treatment process method: heavy seeds and the sand in the slag slurry fallen in the useless screenings process dirt emery disc sedimentation that other each production systems produce; Slurry behind the sand setting is delivered to scalping, and the concentration of advancing to starch of scalping is controlled 1.8-2.2%, and the slag that scalping is discharged is starched and delivered to the light slag machine processing of waterpower, and the light impurity that the light slag machine of waterpower deals effluxes after sending and jumping sieve, and the light slag machine of waterpower goes out good slurry meeting scalping stock inlet; The good slurry that scalping is come out is sent into the heavy desander, and desander advances to starch concentration and is controlled at 0.9-1.1%, and the slag slurry that the latter end desander is discharged is delivered to sand trap, and heavy seeds such as the sand of sedimentation efflux, and slurries send sewage disposal system; Desander comes out, and very slurry is concentrated through slanted screen, and concentration is concentrated to 1.5-1.6% by 0.8-1.0%; Slurry after concentrating is delivered to fine screen, after good slurry that comes out from fine screen and slag slurry concentrate through slanted screen respectively, delivers to different mills and carries out defibrination.Mill advances to starch concentration and is controlled in the scope of 4.0-4.5%.
3, waste paper pulp-making processing method: the Waste Paper Handling system is the same with existing treatment technology, main flow process is to make pulping after the device processes such as waste paper process hydrabrusher, high concentration desanding device, scalping, heavy desander, fine screen, mill, is not describing in detail here.
4, size mixing: the pulping that waste residue slurry deals mixes in proportion with the pulping that waste paper makes, and mixed slurry is sent into machine chest.
5, cop tube paper pulping method: the pulping from pulping system is delivered to the dilution water head box through after copying forebay, fan pump, net fore worker, and the concentration of advancing to starch of head box is controlled between the 1.0-1.5%; The shaped device of manufacturing paper with pulp that the paper pulp that head box ejects the enters fourdrinier wire+top net moulding of dewatering, the cop tube paper of manufacturing paper with pulp before the present invention proposes is to adopt a plurality of cylinder forming devices, adopt this device to have the weak problem of interlayer adhesion, the interlayer adhesion can only reach 300KJ/M usually
2About, and adopt the mode of manufacturing paper with pulp of single fourdrinier wire of the present invention+top net, and under the situation that guarantees water separation capability, can increase substantially the interfacial bonding strength of page, the interlayer adhesion can reach 500KJ/M
2More than, the web dryness that goes out wet end can reach 18-22%; After going out the l Water Paper page or leaf process press with large-roll-diameter dehydration of wet end, mass dryness fraction can reach 42-46%; Oven dry portion before the half-dried page that goes out squeezing enters reaches into about paper mass dryness fraction 91-94% web dryness in preceding oven dry portion, enters surface size press then and carries out two-sided applying glue, and monolateral resin added can reach 2-3.5g/m
2, the starch gelatin concentration is between 8-12%, and producing cop tube paper before the present invention proposes is to adopt plasm-glue-blending, at machine chest or copy and dose starch in the forebay, adopt plasm-glue-blending to have following defective: 1, plasm-glue-blending exists starch retention rate low, and it is big to run off, the cost height; 2, paper waste COD content increases, and increases the sewage disposal difficulty, increases disposal cost; 3, the intensity of page improves not obvious.Adopt top sizing can solve these defectives, guarantee that starch all is coated on the surface of page, and make paper strength increase substantially (physical strength indexs such as ring crush intensity, bursting strength can improve about 40%); Web dryness behind the top sizing drops to again about 60-70%, need enter back oven dry portion it is carried out once more drying, is dried between the paper mass dryness fraction 92-94%; The page that goes out oven dry portion enters reel machine and batches, and after sending into the rewinding machine rewinding then and becoming finished roll, just can put in storage and sell.
Adopt pulping method of the present invention can obtain following effect:
1, raw material adopts the mixture of useless screenings and waste paper, utilizes a large amount of useless screenings to avoid greatly reducing production cost simultaneously because of screenings effluxes the fiber loss that causes as raw material, has saved the waste paper resource.
2, the mode of manufacturing paper with pulp that adopts fourdrinier wire+top to net is that the interfacial bonding strength of page is greatly improved, and has improved product quality and class.
3, substitute original plasm-glue-blending with top sizing, the use amount that can save starch has reached better raising intensity effect again, can reduce the technological process for the treatment of papermaking load simultaneously.
Description of drawings
Fig. 1: waste residue slurry process chart.
Fig. 2: waste paper pulp-making process chart.
Fig. 3: paper machine making flow chart.
The specific embodiment
In conjunction with the accompanying drawings the specific embodiment of the present invention is described in further detail:
Manufacture paper with pulp raw material that cop tube paper adopts of the present invention is the mixed material of useless screenings and secondary stock, and useless screenings is that other is that the production system of raw material production boxboard or fluting medium produces with waste paper, is mainly derived from latter end fine screen tailings and heavy desander tailings.Useless screenings separates processing with waste paper, handles the back respectively well and mixes by certain proportioning, and proportioning is useless screenings: waste paper=40～60: 60～40, can require to carry out the adjustment of proportioning raw materials according to product quality.
Useless screenings is handled: according to the handling process of Fig. 1, the useless screenings that other each production systems are produced is concentrated and is delivered to the sedimentation of dirt emery disc and fall heavy seeds and sand in the slag slurry after collecting; Slurry behind the sand setting is delivered to scalping, and the concentration of advancing to starch of scalping is controlled 1.8-2.2%, and the slag slurry that scalping is discharged is delivered to the light slag machine of waterpower and handled, and the light impurity that the light slag machine of waterpower deals effluxes after sending and jumping sieve, and the light slag machine of waterpower goes out good slurry and returns the scalping stock inlet; The good slurry that scalping is come out is sent into the heavy desander, and desander advances to starch concentration and is controlled at 0.9-1.1%, and the slag slurry that the latter end desander is discharged is delivered to sand trap, and heavy seeds such as the sand of sedimentation efflux, and slurries send sewage disposal system; Desander comes out, and very slurry is concentrated through slanted screen, and concentration is concentrated to 1.5-1.6% by 0.8-1.0%; Slurry after concentrating is delivered to fine screen, after good slurry that comes out from fine screen and slag slurry concentrate through slanted screen respectively, delivers to different mills and carries out defibrination, and mill advances to starch concentration and is controlled in the scope of 4.0-4.5%.
The waste paper pulp-making processing method: the Waste Paper Handling system is the same with existing treatment technology, and main flow process such as Fig. 2 make pulping after the device processes such as waste paper process hydrabrusher, high concentration desanding device, scalping, heavy desander, fine screen, mill.
Size mixing: (useless screenings: waste paper=40～60: 60～40) mix, mixed slurry is sent into machine chest to the pulping that the pulping that waste residue slurry deals and waste paper make in proportion.
Cop tube paper is manufactured paper with pulp: according to the flow process of Fig. 3, deliver to the dilution water head box from the mixing pulping of pulping system through after copying forebay, fan pump, net fore worker, the concentration of advancing to starch of head box is controlled between the 1.0-1.5%; The shaped device of manufacturing paper with pulp that the paper pulp that head box ejects the enters fourdrinier wire+top net moulding of dewatering, the web dryness that goes out wet end can reach 18-22%; After going out the l Water Paper page or leaf process press with large-roll-diameter dehydration of wet end, mass dryness fraction can reach 42-46%; Oven dry portion before the half-dried page that goes out squeezing enters reaches into about paper mass dryness fraction 91-94% web dryness in preceding oven dry portion, enters surface size press then and carries out two-sided applying glue, and monolateral resin added can reach 2-3.5g/m
2, the starch gelatin concentration adopts top sizing can guarantee that starch all is coated on the surface of page, and makes paper strength increase substantially (physical strength indexs such as ring crush intensity, bursting strength can improve about 40%) between 8-12%; Web dryness behind the top sizing drops to again about 60-70%, need enter back oven dry portion it is carried out once more drying, is dried between the paper mass dryness fraction 92-94%; The page that goes out oven dry portion enters reel machine and batches, and sending into the rewinding machine rewinding then becomes finished roll.
[embodiment 1]
According to the preparation flow of [specific embodiment], when proportioning raw materials is set at useless screenings: during waste paper=40: 60, produce quantitative 400g/m
2The physical index of spool body paper can reach: thickness 0.6mm, tightness 0.80g/m
2, interfacial bonding strength 510j/m
2, vertical ring crush index 23n.m/g.
[embodiment 2]
According to the preparation flow of [specific embodiment], when proportioning raw materials is set at useless screenings: during waste paper=60: 40, produce quantitative 400g/m
2The physical index of spool body paper can reach: thickness 0.6mm, tightness 0.76g/m
2, interfacial bonding strength 486j/m
2, vertical ring crush index 21n.m/g.
Claims (8)
1. manufacture method of utilizing waste residue production regeneration spool body paper comprises:
(1) useless screenings is handled: heavy seeds and the sand in the slag slurry fallen in the sedimentation of the screenings that will give up process dirt emery disc; Slurry behind the sand setting is delivered to scalping, and the concentration of advancing to starch of scalping is controlled 1.8-2.2%, and the slag that scalping is discharged is starched and delivered to the light slag machine processing of waterpower, and the light impurity that the light slag machine of waterpower deals effluxes after sending and jumping sieve, and the light slag machine of waterpower goes out good slurry meeting scalping stock inlet; The good slurry that scalping is come out is sent into the heavy desander, and desander advances to starch concentration and is controlled at 0.9-1.1%, and the slag slurry that the latter end desander is discharged is delivered to sand trap, and the sand heavy seeds of sedimentation effluxes, and slurries send sewage disposal system; Desander comes out, and very slurry is concentrated through slanted screen, and concentration is concentrated to 1.5-1.6% by 0.8-1.0%; Slurry after concentrating is delivered to fine screen, after good slurry that comes out from fine screen and slag slurry concentrate through slanted screen respectively, delivers to different mills and carries out defibrination, and mill advances to starch concentration and is controlled in the scope of 4.0-4.5%;
(2) waste paper pulp-making is handled: make pulping after waste paper process hydrabrusher, high concentration desanding device, scalping, heavy desander, fine screen, the mill device processes;
(3) size mixing: the pulping that useless screenings deals mixes in proportion with the pulping that waste paper makes, and mixed slurry is sent into machine chest;
(4) cop tube paper pulping method: the pulping from pulping system is delivered to the dilution water head box through after copying forebay, fan pump, net fore worker, and the concentration of advancing to starch of head box is controlled between the 1.0-1.5%; The paper pulp that head box ejects enters the shaped device of the manufacturing paper with pulp moulding of dewatering, and the web dryness that goes out wet end can reach 18-22%; After going out the l Water Paper page or leaf process press with large-roll-diameter dehydration of wet end, mass dryness fraction can reach 42-46%; The half-dried page that goes out squeezing enters preceding oven dry portion, make web dryness reach into paper mass dryness fraction 91-94% in preceding oven dry portion, enter surface size press then and carry out applying glue, web dryness behind the top sizing drops to 60-70% again, need enter back oven dry portion it is carried out once more drying, be dried to into the paper mass dryness fraction between 92-94%; The page that goes out oven dry portion enters reel machine and batches, and sending into the rewinding machine rewinding then becomes finished roll.
2. a kind of manufacture method of utilizing waste residue production regeneration spool body paper according to claim 1 is characterized in that described useless screenings and waste paper proportioning are 40～60: 60～40.
3. a kind of manufacture method of utilizing waste residue production regeneration spool body paper according to claim 1 and 2 is characterized in that it is the production system of raw material production boxboard or fluting medium with waste paper that described useless screenings results from other.
4. a kind of manufacture method of utilizing waste residue production regeneration spool body paper according to claim 3 is characterized in that described useless screenings derives from latter end fine screen tailings and heavy desander tailings.
5. a kind of manufacture method of utilizing waste residue production regeneration spool body paper according to claim 1 is characterized in that described waste paper is domestic waste paper.
6. a kind of manufacture method of utilizing waste residue production regeneration spool body paper according to claim 1 is characterized in that the described shaped device of manufacturing paper with pulp is the shaped device of manufacturing paper with pulp of fourdrinier wire+top net.
7. a kind of manufacture method of utilizing waste residue production regeneration spool body paper according to claim 1 is characterized in that described applying glue is two-sided applying glue, and the single face resin added is 2-3.5g/m
2, the starch gelatin concentration is 8-12%.
8. the waste residue production regeneration spool body paper that obtains according to claim 1,2 or 6 described a kind of manufacture methods of utilizing waste residue production regeneration spool body paper.
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| CN101435171B true CN101435171B (en) | 2010-12-22 |
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Address after: 243021 No. 3 industrious and thrifty Road, Anhui, Ma'anshan Patentee after: Eagle International Holdings Ltd. Address before: 243021 No. 3 industrious and thrifty Road, Anhui, Ma'anshan Patentee before: Anhui Shanying Paper Industry Co., Ltd. |
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Effective date of registration: 20191204 Address after: 314300 Jiaxing Haiyan Economic Development Zone, Hangzhou, Zhejiang Patentee after: Zhejiang Shanying Co. Ltd. Address before: 243021 No. 3 industrious and thrifty Road, Anhui, Ma'anshan Patentee before: Eagle International Holdings Ltd. |