CN103603225A - Method for producing highly quantitative two-side offset paper - Google Patents
Method for producing highly quantitative two-side offset paper Download PDFInfo
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- CN103603225A CN103603225A CN201310597865.6A CN201310597865A CN103603225A CN 103603225 A CN103603225 A CN 103603225A CN 201310597865 A CN201310597865 A CN 201310597865A CN 103603225 A CN103603225 A CN 103603225A
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Abstract
The invention belongs to papermaking technologies and relates to a method for producing highly quantitative two-side offset paper. The method comprises the following steps: sequentially performing pulping, size mixing, sizing, manufacturing paper with pulp, pre-drying, surface sizing, after-drying, press polish and rolling on basic raw materials such as bleached sulfate needlebush pulp and bleached sulfate broadleaf wood pulp, and finally finishing into paper; and allowing the materials in the pulping process to sequentially pass through a pulper, a pulp storage pool, a pulp grinder and the pulp storage pool according to a material transfer sequence, wherein in the pulping process, the pulping beating degree of the bleached sulfate needlebush pulp in the basic raw materials is required to be 25-320SR, and the pulping beating degree of the bleached sulfate broadleaf wood pulp is required to be 24-330SR. According to the method, the highly quantitative two-side offset paper can be manufactured with pulp, and the manufactured paper is high in surface strength, high in internal binding force, high in smoothness and small in two-side difference.
Description
Technical field
The invention belongs to paper technology, relate to the high quantitatively production method of wood-free paper.
Background technology
Along with expanding economy, the purposes of paper also more and more wider, a kind of quantitative wood-free paper demand of height of being had relatively high expectations in the aspects such as thickness, surperficial sophistication in greeting card, advertisement, publicity etc. is also increasing.
Paper is distinguished by quantum size, can separation and cardboard, quantitatively be greater than the cardboard that is commonly referred to as of 220gsm, quantitatively be less than the paper that is commonly referred to as of 220gsm, traditional wood-free paper is quantitatively generally all less than 220gsm, can produce with common multi-cylinder long mesh paper machine, but the paper that common multi-cylinder long mesh paper machine is produced is general quantitative all below 200gsm, the problems such as 200gsm just there will be the difficulty of manufacturing paper with pulp if quantitatively surpassed, and paper two sides is poor large, and formation of sheet is poor.Generally, the paper surpassing more than quantitative 200gsm is manufactured paper with pulp mainly with multilength net paper machine, with three layers or admittedly many with the online person of manufacturing paper with pulp, but three-layer network and above paper machine are generally in the majority with the cardboard person that manufactures paper with pulp, and three-layer network paper machine cost is high, the paper of manufacturing paper with pulp be three layers compound, have obvious layering sense, paper two sides is poor large.
Summary of the invention
Technical problem to be solved by this invention is provide the wood-free paper of a kind of 220-350gsm that can manufacture paper with pulp, and the surface strength of paper of manufacturing paper with pulp to be high, internal bond is large, smoothness is high, the production method of the quantitative wood-free paper of height that two sides is poor little.
The production method of the quantitative wood-free paper of height of the present invention is: by base stock bleached sulphate softwood pulp and BRATSK successively through making beating, with slurry, starching, manufacture paper with pulp, front dry, top sizing, after dry, press polish and batching, finally complete and be organized into paper; According to the transfer sequence of material, described pulping process material passes through pulper, pulp storage tank, fiberizer and pulp storage tank successively, and in pulping process, the bleached sulphate softwood pulp pulping beating degree in base stock requires at 25-32
0sR, BRATSK pulping beating degree requires at 24-33
0sR.
Described operation material with slurry is successively through pond with slurry, manufacture paper with pulp pond and header box; Described upper slurry process material arranges scummer and the pressurized screen of fan pump successively through entrance; The described operation material of manufacturing paper with pulp is successively through flow box, the wet end with top net former, press section; Described top sizing is double-roll type top sizing.
In described operation with slurry, the mass ratio of the bleached sulphate softwood pulp in base stock is 5%-15%, and the mass ratio of BRATSK is 85%-95%, and pulpboard whiteness is all greater than 86%; In pond with slurry, add cationic starch, consumption is the 0.5-3.0% of oven dry stock quality, is preferably 2.5%-3.0%.
In described operation with slurry, add AKD (alkyl ketene dimer) in header box, consumption is the 0.05-0.3% of oven dry stock quality; The fan pump place of described scummer entrance adds calcium carbonate, and consumption is the 10-30% of oven dry stock quality; Before pressurized screen, add CPAM(CATION preservative), consumption is the 100-300ppm of oven dry stock quality; After pressurized screen, first add bentonite, consumption is the 0.15-0.35% of oven dry stock quality, rear interpolation APMP (anionic promoter), and consumption is 100-350ppm.
The present invention adopts low beating degree making beating mode in conjunction with polynary reservation system, to improve water filtering performance and the system retention rate of online slurry, and adopts upper and lower surface dewatering type, and of poor quality to alleviate into paper two sides, its advantage applies exists:
1, adopt low beating degree making beating mode, to improve the water filtering performance of slurry, and improve because of the low poor problem of fiber binding ability that causes of pulling an oar to add cationic starch, both improved water filtering performance, guaranteed again paper strength.
2, first with CPAM (CATION preservative), allow various parts in slurry combine, by pressurized screen, it is suitably disperseed again, then the bentonite that has a high absorption capacity by use makes in slurry the combination again that combines of various parts, finally be aided with APMP (anionic promoter) and further improve its water separation capability, accomplish both to have improved filler retention, guarantee again water separation capability, both improved online quantitatively, guaranteed again evenness.
3, use the individual layer fourdrinier wire with top net former, both improved water separation capability, the two sides that has alleviated again paper is poor, has also saved investment.
4, by the enforcement of above many kinds of measures, the high quantitatively wood-free paper of can manufacturing paper with pulp out on the individual layer long mesh paper making machine with top net former.
Accompanying drawing explanation
Fig. 1 is the process chart of the inventive method embodiment.
The specific embodiment
Below in conjunction with specific embodiment, the present invention is described further.
Embodiment 1: quantitative 230gsm manufactures paper with pulp, the production method of high quantitatively wood-free paper is used and is produced with the individual layer fourdrinier wire wire multi-cylinder paper machine of top net former, the technological process of production for making beating, with slurry, starching, manufacture paper with pulp, be dried, top sizing, press polish, batch, finally complete and be organized into paper.It is main raw material(s) that high quantitatively wood-free paper be take bleached sulphate pin, hardwood pulp, and take cationic starch, AKD (alkyl ketene dimer), calcium carbonate, CPAM (CATION preservative), bentonite, APMP (anionic promoter) is auxiliary raw material.Concrete technology parameter is as follows:
1, wet end furnish: bleached sulphate softwood pulp adapted 15%, BRATSK 85%;
2, making beating beating degree: bleached sulphate softwood pulp 32
0sR, BRATSK 27
0sR
3, auxiliary raw material: cationic starch consumption 2.5%, AKD (alkyl ketene dimer) consumption 0.20%/oven dry stock, calcium carbonate consumption 30%/oven dry stock, CPAM (CATION preservative) consumption 120ppm, bentonite consumption 0.3%, APMP (anionic promoter) consumption 100ppm.
4, the key technical indexes:
(1), smoothness is positive and negative average: 23s, two sides is poor: 6%;
(2), become paper ash to divide: 25.5%;
(3), surface strength: rod wax value front 16, reverse side 16;
(4), internal bond 171J/m
2.
Embodiment 2: quantitative 300gsm manufactures paper with pulp, the production method of high quantitatively wood-free paper is used and is produced with the individual layer fourdrinier wire wire multi-cylinder paper machine of top net former, the technological process of production for making beating, with slurry, starching, manufacture paper with pulp, be dried, top sizing, press polish, batch volume, finally complete and be organized into paper.It is main raw material(s) that high quantitatively wood-free paper be take bleached sulphate pin, hardwood pulp, and take cationic starch, AKD (alkyl ketene dimer), calcium carbonate, CPAM (CATION preservative), bentonite, APMP (anionic promoter) is auxiliary raw material.Concrete technology parameter is as follows:
1, wet end furnish: bleached sulphate softwood pulp adapted 11%, BRATSK 89%;
2, making beating beating degree: bleached sulphate softwood pulp 32
0sR, BRATSK 26
0sR
3, auxiliary raw material: cationic starch consumption 2.9%, AKD (alkyl ketene dimer) consumption 0.16%/oven dry stock, calcium carbonate consumption 33%/oven dry stock, CPAM (CATION preservative) consumption 140ppm, bentonite consumption 0.25%, APMP (anionic promoter) consumption 125ppm,
4, the key technical indexes:
(1), smoothness is positive and negative average: 20s, two sides is poor: 7%;
(2), become paper ash to divide: 27.5%;
(3), surface strength: rod wax value front 14, reverse side 16;
(4), internal bond 168J/m
2.
Embodiment 3: quantitative 350gsm manufactures paper with pulp, the production method of high quantitatively wood-free paper is used and is produced with the individual layer fourdrinier wire wire multi-cylinder paper machine of top net former, the technological process of production for making beating, with slurry, starching, manufacture paper with pulp, be dried, top sizing, press polish, batch volume, finally complete and be organized into paper.It is main raw material(s) that high quantitatively wood-free paper be take bleached sulphate pin, hardwood pulp, and take cationic starch, AKD (alkyl ketene dimer), calcium carbonate, CPAM (CATION preservative), bentonite, APMP (anionic promoter) is auxiliary raw material.Concrete technology parameter is as follows:
1, wet end furnish: bleached sulphate softwood pulp adapted 9%, BRATSK 91%;
2, making beating beating degree: bleached sulphate softwood pulp 33
0sR, BRATSK 25
0sR
3, auxiliary raw material: cationic starch consumption 2.6%, AKD (alkyl ketene dimer) consumption 0.2%/oven dry stock, calcium carbonate consumption 33%/oven dry stock, CPAM (CATION preservative) consumption 126ppm, bentonite consumption 0.32%, APMP (anionic promoter) consumption 127ppm,
4, the key technical indexes:
(1), smoothness is positive and negative average: 17s, two sides is poor: 5%;
(2), become paper ash to divide: 27.5%;
(3), surface strength: rod wax value front 14, reverse side 16;
(4), internal bond 153J/m
2.
When production is carried out, softwood pulp and hardwood pulp are disperseed through hydrabrusher successively, be stored in and kowtow front pulp storage tank, through making beating after be stored in kowtow after pulp storage tank, according to proportioning, softwood pulp and hardwood pulp being put into dosing chamber mixes, and synchronously add cationic starch, the mixed slurry configuring is sent into the pond of manufacturing paper with pulp, header box, in header box, add AKD (alkyl ketene dimer), slurry arrives 1# fan pump through header box, at 1# fan pump entrance, add calcium carbonate, after scummer, arrive 2# fan pump, slurry enters pressurized screen, before pressurized screen, add CPAM (CATION preservative), after pressurized screen, first add bentonite, rear interpolation APMP (anionic promoter), slurry enters press section through flow box and wet end drainage and formation, again through front dry, top sizing, rear dry, then enter press polish, coiling process, finally by completing, be organized into paper work.
Claims (4)
1. the production method of a high quantitative wood-free paper, it is characterized in that: by base stock bleached sulphate softwood pulp and BRATSK successively through making beating, with slurry, starching, manufacture paper with pulp, front dry, top sizing, after dry, press polish and batching, finally complete and be organized into paper; According to the transfer sequence of material, described pulping process material passes through pulper, pulp storage tank, fiberizer and pulp storage tank successively, and in pulping process, the bleached sulphate softwood pulp pulping beating degree in base stock requires at 25-32
0sR, BRATSK pulping beating degree requires at 24-33
0sR.
2. the production method of the quantitative wood-free paper of height according to claim 1, is characterized in that: described operation material with slurry is successively through pond with slurry, manufacture paper with pulp pond and header box; Described upper slurry process material arranges scummer and the pressurized screen of fan pump successively through entrance; The described operation material of manufacturing paper with pulp is successively through flow box, the wet end with top net former, press section; Described top sizing is double-roll type top sizing.
3. the production method of the quantitative wood-free paper of height according to claim 2, it is characterized in that: in described operation with slurry, the mass ratio of the bleached sulphate softwood pulp in base stock is 5%-15%, and the mass ratio of BRATSK is 85%-95%, and pulpboard whiteness is all greater than 86%; In pond with slurry, add cationic starch, consumption is the 0.5-3.0% of oven dry stock quality, is preferably 2.5%-3.0%.
4. the production method of the quantitative wood-free paper of height according to claim 2, is characterized in that: in described operation with slurry, add AKD in header box, consumption is the 0.05-0.3% of oven dry stock quality; The fan pump place of described scummer entrance adds calcium carbonate, and consumption is the 10-30% of oven dry stock quality; Before pressurized screen, add CPAM, consumption is the 100-300ppm of oven dry stock quality; After pressurized screen, first add bentonite, consumption is the 0.15-0.35% of oven dry stock quality, rear interpolation APMP, consumption is 100-350ppm.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105155332A (en) * | 2015-09-15 | 2015-12-16 | 岳阳林纸股份有限公司 | Production method of top-grade book white offset printing paper |
| CN106320061A (en) * | 2016-09-06 | 2017-01-11 | 镇江大东纸业有限公司 | Production method of aluminum-free inner liner paper for cigarettes |
| CN106368049A (en) * | 2016-09-06 | 2017-02-01 | 镇江大东纸业有限公司 | Production method of rice weeding paper |
| CN107354802A (en) * | 2016-05-09 | 2017-11-17 | 镇江大东纸业有限公司 | The production method of leather neutral sizing |
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| CN103031777A (en) * | 2012-12-31 | 2013-04-10 | 镇江大东纸业有限公司 | Making method of color card paper |
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| US6319360B1 (en) * | 1997-10-25 | 2001-11-20 | Arjo Wiggins Fine Papers Limited | Production for mottled paper |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105155332A (en) * | 2015-09-15 | 2015-12-16 | 岳阳林纸股份有限公司 | Production method of top-grade book white offset printing paper |
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| CN107354802A (en) * | 2016-05-09 | 2017-11-17 | 镇江大东纸业有限公司 | The production method of leather neutral sizing |
| CN106320061A (en) * | 2016-09-06 | 2017-01-11 | 镇江大东纸业有限公司 | Production method of aluminum-free inner liner paper for cigarettes |
| CN106368049A (en) * | 2016-09-06 | 2017-02-01 | 镇江大东纸业有限公司 | Production method of rice weeding paper |
| CN106320061B (en) * | 2016-09-06 | 2018-02-23 | 镇江大东纸业有限公司 | Production method without aluminium tobacco lining paper base paper |
| CN106368049B (en) * | 2016-09-06 | 2018-12-11 | 镇江大东纸业有限公司 | The production method of rice weeding paper |
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| CN103603225B (en) | 2016-08-17 |
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Inventor after: Cai Zhaobin Inventor after: Dai Luogen Inventor after: Chen Guoping Inventor after: Tan Ninghua Inventor after: Tian Chunli Inventor after: Gu Keqiang Inventor before: Cai Zhaobin Inventor before: Dai Luogen Inventor before: Chen Guoping Inventor before: Tan Ninghua Inventor before: Tian Chunli |
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Free format text: CORRECT: INVENTOR; FROM: CAI ZHAOBIN DAI LUOGEN CHEN GUOPING TAN NINGHUA TIAN CHUNLI TO: CAI ZHAOBIN DAI LUOGEN CHEN GUOPING TAN NINGHUA TIAN CHUNLI GU KEQIANG |
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