CN104631201B - The technique that a kind of waste paper recycling produces low gram weight and high strength degree heavy wrapping craft paper - Google Patents
The technique that a kind of waste paper recycling produces low gram weight and high strength degree heavy wrapping craft paper Download PDFInfo
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- CN104631201B CN104631201B CN201510008443.XA CN201510008443A CN104631201B CN 104631201 B CN104631201 B CN 104631201B CN 201510008443 A CN201510008443 A CN 201510008443A CN 104631201 B CN104631201 B CN 104631201B
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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
Abstract
The invention discloses the technique that a kind of waste paper recycling produces low gram weight and high strength degree heavy wrapping craft paper.Technique includes following step: (1) waste paper pretreatment: to shredded paper, waste paper is carried out deinking process with deinking agent after pulverizing, obtains waste paper material；(2) slurrying: with the waste paper material that obtains in needlebush and step (1) as raw material, use sulfate process that raw material is carried out steaming and decocting, tapioca, antibacterial and reinforcing agent is added during steaming and decocting, adding enzyme in the paper pulp obtained and polyacrylamide is pulled an oar, the paper pulp obtained uses fractionating screen to isolate long fibered pulp；(3) papermaking: the long fibered pulp obtained in step (2) is carried out papermaking, obtains finished product craft paper.Profit of the present invention reduces power consumption during ton slurry making beating；Wood pulp consumption is greatly lowered, reduces cost, reduce plasm-glue-blending simultaneously and produce the plain boiled water discharge pollution to environment；Ton paper reduces by 0.02 ton of steam；Wood pulp 80kg/t paper saved by paper per ton.
Description
Technical field:
The present invention relates to a kind of waste paper recycling and produce the technique of low gram weight and high strength degree heavy wrapping craft paper, belong to pulp technology for making paper.
Background technology:
In recent years, along with the continuous minimizing of China's timber resources, natural environment deteriorates increasingly, reduces timber cutting capacity, and research and development new packaging material replaces the use of timber and increasingly paid attention to by society.The electronic apparatus packing crates etc. of the most emerging packaging material such as highly intensified corrugated paper composite plate, 3A heavy corrugated cardboard, high assignments, by become paper wrapper market surging with paper for wooden packing material.Traditional heavy corrugated cardboard is to be equipped with the corrugated board made by high performance corrugating medium by high grammes per square metre, high performance craft paper, and this cardboard has good side pressure strength, pop strength and Punctured Strength.Under same package design form, the impact of heavy corrugated case performance is played a key effect by craft paper, and the most generally import Russia cattle card blocks with U.S. of the U.S. and uses.
Summary of the invention:
The present invention seeks to, for making up the deficiencies in the prior art, and the technique that a kind of waste paper recycling low gram weight and high strength degree heavy wrapping craft paper of production is provided.
To achieve these goals, technical scheme is as follows:
A kind of waste paper recycling produces the technique of low gram weight and high strength degree heavy wrapping craft paper, including following step:
(1) waste paper pretreatment: waste paper is carried out deinking process with deinking agent to shredded paper after pulverizing, obtains waste paper material；
(2) slurrying: with the waste paper material that obtains in needlebush and step (1) as raw material, use sulfate process that raw material is carried out steaming and decocting, tapioca, antibacterial and reinforcing agent is added during steaming and decocting, adding enzyme in the paper pulp obtained and polyacrylamide is pulled an oar, the paper pulp obtained uses fractionating screen to isolate long fibered pulp；
(3) papermaking: the long fibered pulp obtained in step (2) is carried out papermaking, obtains finished product craft paper.
Described a kind of waste paper recycling produces the technique of low gram weight and high strength degree heavy wrapping craft paper, and in step (2), when using kraft cooking, digestion time is 3-4h, and boiling temperature is 150-180 DEG C, and the PH of medicinal liquid is 11-12.
Described a kind of waste paper recycling produces the technique of low gram weight and high strength degree heavy wrapping craft paper, 2-6%, 0.5-1.2% and the 0.8-1.6% that tapioca, antibacterial and reinforcing agent are raw material weight added during steaming and decocting.
Described a kind of waste paper recycling produces the technique of low gram weight and high strength degree heavy wrapping craft paper, and described antibacterial is ammonium dihydrogen phosphate or quaternary ammonium salt.
Described a kind of waste paper recycling produces the technique of low gram weight and high strength degree heavy wrapping craft paper, and described reinforcing agent is epoxy resin, tetramethylolmethane or polyvinyl alcohol.
Described a kind of waste paper recycling produces the technique of low gram weight and high strength degree heavy wrapping craft paper, and the weight ratio of the waste paper material obtained in described needlebush and step (1) is 1:3.
Described a kind of waste paper recycling produces the technique of low gram weight and high strength degree heavy wrapping craft paper, and the enzyme added in paper pulp and polyacrylamide are respectively 1-3% and 2-5% of pulp weight.
Beneficial effects of the present invention is as follows:
1, utilize enzyme to coordinate wood pulp making beating, improve beating degree, it is ensured that fibre strength, reduce power consumption during ton slurry making beating；
2, select high-quality tapioca, optimize digesting technoloy and carry out top sizing, wood pulp consumption is greatly lowered, reduces cost, reduce plasm-glue-blending simultaneously and produce the plain boiled water discharge pollution to environment；
3, because utilizing enzyme to decompose fiber, paper web consumes quantity of steam during being dried and is greatly decreased, and ton paper reduces by 0.02 ton of steam；
4, utilizing fiber classification, isolate dry long fibre and substitute wood pulp, wood pulp 80kg/t paper saved by paper per ton.
After testing, each physical index of craft paper that present invention process production obtains is: quantitatively: 230-280 g/m2；Lateral loops pressure (index) 13.0 N.m/g；Fracture length (MD) 4.5 Km；Burst index 3.8Kpa.m2/g。
Detailed description of the invention:
For the technological means making the present invention realize, creation characteristic, reach purpose and be easy to understand with effect, below in conjunction with specific embodiment, the present invention is expanded on further.
Embodiment 1
A kind of waste paper recycling produces the technique of low gram weight and high strength degree heavy wrapping craft paper, including following step:
(1) waste paper pretreatment: waste paper is carried out deinking process with deinking agent to shredded paper after pulverizing, obtains waste paper material；
(2) slurrying: be mixed into raw material according to waste paper material weight ratio 1:3 obtained in needlebush and step (1), use sulfate process that raw material is carried out steaming and decocting, tapioca, ammonium dihydrogen phosphate and epoxy resin is added during steaming and decocting, adding enzyme in the paper pulp obtained and polyacrylamide is pulled an oar, the paper pulp obtained uses fractionating screen to isolate long fibered pulp；
(3) papermaking: the long fibered pulp obtained in step (2) is carried out papermaking, obtains finished product craft paper.
Wherein, in step (2), when using kraft cooking, digestion time is 3h, and boiling temperature is 180 DEG C, and the PH of medicinal liquid is 11；The tapioca, antibacterial and the reinforcing agent that add during steaming and decocting are the 6% of raw material weight, 0.5% and 1.6%.The enzyme and the polyacrylamide that add in paper pulp are respectively the 3% and 5% of pulp weight.
Embodiment 2
A kind of waste paper recycling produces the technique of low gram weight and high strength degree heavy wrapping craft paper, including following step:
(1) waste paper pretreatment: waste paper is carried out deinking process with deinking agent to shredded paper after pulverizing, obtains waste paper material；
(2) slurrying: be mixed into raw material according to waste paper material weight ratio 1:3 obtained in needlebush and step (1), use sulfate process that raw material is carried out steaming and decocting, tapioca, quaternary ammonium salt and tetramethylolmethane is added during steaming and decocting, adding enzyme in the paper pulp obtained and polyacrylamide is pulled an oar, the paper pulp obtained uses fractionating screen to isolate long fibered pulp；
(3) papermaking: the long fibered pulp obtained in step (2) is carried out papermaking, obtains finished product craft paper.
Wherein, in step (2), when using kraft cooking, digestion time is 4h, and boiling temperature is 150 DEG C, and the PH of medicinal liquid is 12；The tapioca, antibacterial and the reinforcing agent that add during steaming and decocting are the 2% of raw material weight, 1.2% and 0.8%.The weight ratio of the waste paper material obtained in described needlebush and step (1) is 1:3.The enzyme and the polyacrylamide that add in paper pulp are respectively the 1% and 2% of pulp weight.
Embodiment 3
A kind of waste paper recycling produces the technique of low gram weight and high strength degree heavy wrapping craft paper, including following step:
(1) waste paper pretreatment: waste paper is carried out deinking process with deinking agent to shredded paper after pulverizing, obtains waste paper material；
(2) slurrying: be mixed into raw material according to waste paper material weight ratio 1:3 obtained in needlebush and step (1), use sulfate process that raw material is carried out steaming and decocting, tapioca, ammonium dihydrogen phosphate and polyvinyl alcohol is added during steaming and decocting, adding enzyme in the paper pulp obtained and polyacrylamide is pulled an oar, the paper pulp obtained uses fractionating screen to isolate long fibered pulp；
(3) papermaking: the long fibered pulp obtained in step (2) is carried out papermaking, obtains finished product craft paper.
Wherein, in step (2), when using kraft cooking, digestion time is 4h, and boiling temperature is 180 DEG C, and the PH of medicinal liquid is 12.The tapioca, antibacterial and the reinforcing agent that add during steaming and decocting are the 4% of raw material weight, 0.8% and 1.2%.The enzyme and the polyacrylamide that add in paper pulp are respectively the 2% and 4% of pulp weight.
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, on the premise of without departing from the technology of the present invention principle; can also make some improvement and deformation, these improve and deformation also should be regarded as protection scope of the present invention.
Claims (1)
1. the technique that a waste paper recycling produces low gram weight and high strength degree heavy wrapping craft paper, it is characterised in that include following step:
(1) waste paper pretreatment: waste paper is carried out deinking process with deinking agent to shredded paper after pulverizing, obtains waste paper material；
(2) slurrying: with the waste paper material that obtains in needlebush and step (1) as raw material, the weight ratio of the waste paper material obtained in described needlebush and step (1) is 1:3；Using sulfate process that raw material is carried out steaming and decocting, add tapioca, antibacterial and reinforcing agent, add enzyme and polyacrylamide is pulled an oar in the paper pulp obtained during steaming and decocting, the paper pulp obtained uses fractionating screen to isolate long fibered pulp；When using kraft cooking, digestion time is 3-4h, and boiling temperature is 150-180 DEG C, and the pH of medicinal liquid is 11-12；2-6%, 0.5-1.2% and the 0.8-1.6% that tapioca, antibacterial and reinforcing agent are raw material weight added during steaming and decocting；Described antibacterial is ammonium dihydrogen phosphate or quaternary ammonium salt；Described reinforcing agent is epoxy resin, tetramethylolmethane or polyvinyl alcohol；The enzyme added in paper pulp and polyacrylamide are respectively 1-3% and 2-5% of pulp weight；
(3) papermaking: the long fibered pulp obtained in step (2) is carried out papermaking, obtains finished product craft paper；The craft paper obtained is quantitative: 230-280 g/m2；Laterally ring crush index >=13.0 N.m/g；MD fracture length >=4.5 km；Burst index >=3.8 kPa.m2/g。
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| CN109306636A (en) * | 2018-10-17 | 2019-02-05 | 马鞍山市康辉纸箱纸品有限公司 | A kind of processing method that waste and old wrapping paper enhancing recycles |
| CN111206451A (en) * | 2018-11-22 | 2020-05-29 | 金华盛纸业（苏州工业园区）有限公司 | Pulping method of papermaking pulp and pulping auxiliary preparation |
| CN109577067A (en) * | 2019-01-22 | 2019-04-05 | 深圳市裕嘉印刷包装有限公司 | The technique for preparing compound package material with waste paper, wood bamboo material |
| CN111851121A (en) * | 2020-08-10 | 2020-10-30 | 玖龙纸业(天津)有限公司 | Regenerated ox card and production method thereof |
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| WO2010064110A1 (en) * | 2008-12-01 | 2010-06-10 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for power allocation in a multicarrier system |
| CN102041748A (en) * | 2010-12-31 | 2011-05-04 | 东莞理文造纸厂有限公司 | Boxboard paper preparation method |
| CN102154956B (en) * | 2011-02-25 | 2012-12-12 | 江苏理文造纸有限公司 | White top linerboard and production process thereof |
| CN102493263B (en) * | 2011-12-16 | 2014-04-09 | 东莞理文造纸厂有限公司 | Pulping equipment and pulping method for cow card paper |
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