CN101429739A - Ultra-low quantitative high-strength corrugated base paper production method and products produced thereby - Google Patents
Ultra-low quantitative high-strength corrugated base paper production method and products produced thereby Download PDFInfo
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- CN101429739A CN101429739A CNA2008102339467A CN200810233946A CN101429739A CN 101429739 A CN101429739 A CN 101429739A CN A2008102339467 A CNA2008102339467 A CN A2008102339467A CN 200810233946 A CN200810233946 A CN 200810233946A CN 101429739 A CN101429739 A CN 101429739A
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
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Abstract
The invention relates to a method for producing regeneration super-low quantitative high-strength corrugated raw paper and products obtained by the method. The method is as follows: the mixed waste paper is put in a hydraulic pulp kneader, and orderly passes through a high-concentration desander, a coarse screen, a heavy-quality desander, a fine screen, a multi-disc thickener, a thermal dispersion system and a disc mill to obtain pulp, and the pulp passes through a fore pond, a pulp washing pump, a net front screen, a dilution water pulp box, a long net plus top net forming device, a large roll diameter press, a front drying part, a surface size press, a back drying part, a paper winding machine and a rewinder to obtain the regeneration super-low quantitation high-strength corrugated raw paper. The corrugated raw paper obtained by the method has the characteristics of low quantitation, higher ring press strength, good paper forming quality and the like.
Description
Technical field
The present invention relates to a kind of production method of recycled writing paper, especially relate to a kind of production method of ultra-low quantitative high-strength corrugated base paper.The ultra-low quantitative high-strength corrugated base paper that the method thus of the invention still further relates to obtains.
Background technology
Fluting medium belongs to industrial packaging paper, is used to make carton corrugation sandwich layer, has certain intensity, plays a supportive role.The development trend of carton is to high strength, high-quality, low cost, the development of little corrugation.Reduce system case cost, will process carton greater number, equal quality with the body paper of same weight.This just requires fluting medium, high strength development quantitative to hanging down.Fluting medium development trend has in recent years also proved this point, and fluting medium is by 150g/m
2To 130g/m
2, arrive 120g/m in recent years again
2, 110g/m
2Development.The invention provides a kind of production 80-110g/m
2The production method of ultra-low quantitative high-strength corrugated base paper and the product of producing, the ultra-low quantitative high-strength corrugated base paper that the present invention proposes is compared with common fluting medium has characteristics such as quantitatively low, that ring crush intensity is higher, the sheet forming quality is good, meet the packing board development trend, quality scale is much higher than common fluting medium.
Summary of the invention
The production method that the purpose of this invention is to provide a kind of fluting medium utilizes the method enough same raw material production to go out the product quantitatively low by force, that ring crush intensity is higher.
The technical solution used in the present invention is as follows:
1, proportioning raw materials: the present invention is a raw material with the mixed waste paper of American waste paper (AOCC), European waste paper (EOCC) and domestic waste paper (LOCC), proportioning raw materials is about: AOCC:EOCC:LOCC=20～30:30～40:50～30, suitably adjust the proportioning situation according to wastepaper as raw material quality and finished paper quality requirement.
2, Waste Paper Handling method: AOCC, EOCC, LOCC are mixed the input hydrabrusher by proportioning, again through high concentration desanding device, scalping, heavy desander, lightweight desander, fine screen, polydisc thickener, hot decentralized system, mill, pulping slurry tower.Process parameters: pulper hole diameter of sieve (perforated) plate 13-16mm, size degradation concentration 3.5-4.0%, about scalping screening concentration 2.0-3.0%, scalping sieve aperture 1.5-2.0mm, purified concentrations: 1.1-1.6%, fine screen concentration: 1.1-1.4%, fine screen sieve seam 0.15-0.20mm, heat is disperseed concentration: 30%, beating consistency: 4.0-4.5%, pulping beating degree: 36-42 ° SR, pulping concentration: 3.5-4.0%.
3, paper machine making method: through copying forebay, fan pump, net fore worker, dilution water head box, fourdrinier wire+top net forming device, press with large-roll-diameter, preceding oven dry portion, surface size press, back oven dry portion, reel machine, rewinding machine, finish warehouse-in from the pulping of pulping system.It is 0.6-0.9% that head box advances to starch concentration, go out the wet end mass dryness fraction and can reach 18-22%, go out the press section mass dryness fraction and can reach 43-46%, web dryness reaches into paper mass dryness fraction about 92-94% before advancing sizing applicator, require to carry out the single face applying glue according to page quality and also can carry out two-sided applying glue, the enzyme converted starch of sizing agent employing company development becomes the paper ring crush intensity to improve about 30% than unsized paper page or leaf, and monolateral resin added is 2.0-3.5g/m
2Between, sizing material concentration is between 10-15%, and going out back oven dry portion web dryness is between the 92-94%.
The performance indications that the method that adopts the present invention to propose is produced ultra-low quantitative high-strength corrugated base paper are as follows:
Quantitatively: 80 ± 4g/m
2, 90 ± 4g/m
2, 100 ± 5g/m
2, 110 ± 5g/m
2
Tightness: 〉=0.53g/cm
3
Horizontal ring crush index:
Above-mentioned four kinds of quantitative A etc. are respectively 6.0N.m/g, 6.5N.m/g, 7.5N.m/g, 8.0N.m/g;
B etc. are respectively 5.0N.m/g, 5.5N.m/g, 6.5N.m/g, 7.0N.m/g
Vertical fracture length: A etc. 〉=4.5km; B etc. 〉=4.0km
Water imbibition: A etc. (just/anti-)≤60g/m
2(the Gobb method, 1min)
B etc. (just)≤60g/m
2(the Gobb method, 1min)
Moisture content: 5-9%
From above-mentioned every performance indications 80-110g/m as can be seen
2The physical index of ultra-low quantitative high-strength corrugated base paper has met or exceeded high quantitatively (130-150g/m
2) physical index of fluting medium, because of it has ultra-low quantitative,, reduce the carton production cost so can improve the outlet rate of carton greatly, also reach the effect of environmental protection and energy saving.
The specific embodiment
1, proportioning raw materials: American waste paper, European waste paper and domestic waste paper are mixed according to the proportioning of 20:30:50, deliver to the chain scraper conveyor material loading.
2, Waste Paper Handling: mixed waste paper is sent into size degradation in the hydrabrusher, pulper hole diameter of sieve (perforated) plate 13-16mm, the pulp concentration behind the size degradation is controlled between the 3.5-4.0%; The size degradation disposed slurry is sent in the high concentration desanding device, removes heavier and big impurity such as sand, ironware, glass; The slurry that comes out from high concentration desanding device enters scalping, and the slurry concentration that advances scalping is controlled between the 2.0-3.0%, and the scalping screen-aperture is 1.5-2.0mm; The slurry that scalping is come out enters the heavy desander through dilution, remove heavy seeds, advancing heavy desander slurry concentration is controlled between the 1.1-1.6%, advance to starch pressure 3bar, difference pressuring loss 1.3bar, the good slurry that the heavy desander comes out enters the lightweight desander, light impurities such as the plastics in the lightweight desander in the removal slurry, foam; The good slurry that the lightweight desander comes out enters fine screen, advances the fine screen slurry concentration between 1.1-1.4%, and fine screen is a slotted screen, and the sieve seam is of a size of 0.15-0.2mm; The fine screen good slurry that comes out enters the polydisc thickener and concentrates, concentrate disposed slurry concentration in the 10-12% scope, the screw extruder of sending into hot decentralized system then is concentrated into 30% concentration once more, send into pre-heater then, logical steam in pre-heater, be heated to 90-95 ℃, the slurry after the heating is sent into heat dispersion machine, and the rubbing action by abrasive disc disperses to become the fine particle that naked eyes can't be seen with impurity such as the ink particle in the slurry, sickers; Slurry after the dispersion is diluted to the concentration of 4.0-4.5%, sends into mill and carries out defibrination, makes the fiber wire-dividing broom purification, and beating degree reaches 36-42 ° of SR, has both got pulping, and pulping concentration is 3.5-4.0%, and pulping is delivered to paper machine room from the slurry tower and copied paper.
3, pressure screening before the net:, send into the net fore worker and screen after paper machine room is through dilution from the pulping of slip house, the net fore worker advances to starch concentration and is controlled in the 0.8-1.2% scope.
4, page is manufactured paper with pulp: the paper pulp that the net fore worker comes out is sent into paper machine and is manufactured paper with pulp.At first enter head box, head box advances to starch concentration and is controlled at 0.6-0.9%, paper pulp is ejected into wet end by head box, in the wet end moulding of dewatering, go out the wet end web dryness and can reach 18-22%, the l Water Paper page or leaf that wet end comes out enters press section, page is imposed the linear pressure of 120-150KN/m at press section, make the page dehydration by mechanical force, mass dryness fraction can reach 43-46%, and the half-dried page that goes out press section enters preceding oven dry portion, makes water evaporates in the page by steam heated cylinders, in preceding oven dry portion web dryness is reached about 92%, enter sizing applicator then, carry out top sizing, monolateral resin added is at 2.0-3.5g/m, gelatin concentration is 10-15%, page enters back oven dry portion after the applying glue, goes out back oven dry portion web dryness and can reach between the 92-94%, promptly gets into the paper mass dryness fraction, batch and rewinding entering then, obtain high-quality ultra-low quantitative high-strength corrugated base paper.
Claims (4)
1, a kind of production method of the ultra-low quantitative high-strength corrugated base paper of regenerating comprises:
(1) proportioning raw materials: American waste paper (AOCC), European waste paper (EOCC) and domestic waste paper (LOCC) are mixed according to a certain ratio as raw material;
(2) Waste Paper Handling method: mixed waste paper is dropped into hydrabrusher, deliver to pulping slurry tower through pulping behind high concentration desanding device, scalping, heavy desander, lightweight desander, fine screen, polydisc thickener, hot decentralized system, the mill again.Process parameters: pulper hole diameter of sieve (perforated) plate 13-16mm, size degradation concentration 3.5-4.0%, about scalping screening concentration 2.0-3.0%, scalping sieve aperture 1.5-2.0mm, purified concentrations 1.1-1.6%, fine screen concentration 1.1-1.4%, fine screen sieve seam 0.15-0.20mm, heat is disperseed concentration 30%, beating consistency 4.0-4.5%, 36-42 ° of SR of pulping beating degree, pulping concentration 3.5-4.0%;
(3) paper machine making method: will finish warehouse-in from the pulping of slurrying system through copying forebay, fan pump, net fore worker, dilution water head box, fourdrinier wire+top net forming device, press with large-roll-diameter, preceding oven dry portion, surface size press, back oven dry portion, reel machine, rewinding machine.It is 0.6-0.9% that head box advances to starch concentration, go out the wet end mass dryness fraction and can reach 18-22%, go out the press section mass dryness fraction and can reach 43-46%, web dryness reaches into paper mass dryness fraction about 92-94% before advancing sizing applicator, carries out top sizing in sizing applicator, and the single face resin added is 2.0-3.5g/m2, sizing material concentration is 10-15%, going out back oven dry portion web dryness is 92-94%, batches then and rewinding, promptly gets ultra-low quantitative high-strength corrugated base paper.
2, the production method of regeneration ultra-low quantitative high-strength corrugated base paper according to claim 1 is characterized in that, described proportioning raw materials is about: AOCC:EOCC:LOCC=20～30:30～40:50～30.
3, the production method of regeneration ultra-low quantitative high-strength corrugated base paper according to claim 1 is characterized in that, described carry out top sizing can the single face applying glue also can two-sided applying glue.
4, a kind of regeneration ultra-low quantitative high-strength corrugated base paper that obtains by the production method of claim 1 or 2 described regeneration ultra-low quantitative high-strength corrugated base papers.
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|---|---|---|---|
| CNA2008102339467A CN101429739A (en) | 2008-12-17 | 2008-12-17 | Ultra-low quantitative high-strength corrugated base paper production method and products produced thereby |
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|---|---|---|---|
| CNA2008102339467A CN101429739A (en) | 2008-12-17 | 2008-12-17 | Ultra-low quantitative high-strength corrugated base paper production method and products produced thereby |
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| CN101429739A true CN101429739A (en) | 2009-05-13 |
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|---|---|---|---|---|
| CN101824765A (en) * | 2010-04-26 | 2010-09-08 | 泰山石膏股份有限公司 | Production process of low-ration high-strength waterproof plaster board mask paper |
| CN101831825A (en) * | 2010-03-25 | 2010-09-15 | 吉林晨鸣纸业有限责任公司 | Improved production method of waste paper deinking pulp |
| WO2010142146A1 (en) * | 2009-06-13 | 2010-12-16 | 汇鑫生物浆纸股份有限公司 | Process for producing high-strength corrugated base paper |
| CN101725066B (en) * | 2009-09-14 | 2011-05-18 | 陕西科技大学 | Process for pulping old corrugated carton by sulfite method |
| CN102191726A (en) * | 2011-03-31 | 2011-09-21 | 广东理文造纸有限公司 | Process for preparing low-basis-weight corrugated paper |
| CN102251433A (en) * | 2011-07-06 | 2011-11-23 | 延边石岘白麓纸业股份有限公司 | Method for preparing paper |
| CN102433791A (en) * | 2011-10-14 | 2012-05-02 | 安徽山鹰纸业股份有限公司 | Production method for ultra-low quantitative corrugated core paper and product produced thereby |
| CN101768891B (en) * | 2009-12-25 | 2012-09-05 | 江苏理文造纸有限公司 | Kraft liner cardboard paper and manufacturing method thereof |
| CN103243607A (en) * | 2013-05-16 | 2013-08-14 | 江西双林纸业有限公司 | Method for cleanly producing low-quantitation and high-strength corrugated body paper |
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| WO2022028201A1 (en) * | 2020-08-07 | 2022-02-10 | 山鹰纸业(广东)有限公司 | Dry waste paper pulp and preparation method therefor |
| CN113481752A (en) * | 2021-07-23 | 2021-10-08 | 广州造纸股份有限公司 | Ultralow-quantitative corrugated base paper and preparation method thereof |
| CN115652683A (en) * | 2022-11-21 | 2023-01-31 | 江苏富淼科技股份有限公司 | Papermaking method and papermaking system |
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| CN117127425A (en) * | 2023-09-22 | 2023-11-28 | 安德里茨（中国）有限公司 | Coarse screening system |
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