CN104631195A - Method for manufacturing low-basis-weight and high-strength corrugated base paper for micro corrugated board production - Google Patents

Method for manufacturing low-basis-weight and high-strength corrugated base paper for micro corrugated board production Download PDF

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Publication number
CN104631195A
CN104631195A CN201510007565.7A CN201510007565A CN104631195A CN 104631195 A CN104631195 A CN 104631195A CN 201510007565 A CN201510007565 A CN 201510007565A CN 104631195 A CN104631195 A CN 104631195A
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China
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paper
pulp
waste
corrugated
base paper
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CN201510007565.7A
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Chinese (zh)
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李文斌
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Jiangsu Lee and Man Paper Manufacturing Co Ltd
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Jiangsu Lee and Man Paper Manufacturing Co Ltd
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Priority to CN201510007565.7A priority Critical patent/CN104631195A/en
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Abstract

The invention provides a method for manufacturing low-basis-weight and high-strength corrugated base paper for micro corrugated board production, which comprises the steps of A) proportioning; B) repulping; C) screening; D) concentrating; E) dehydrating; and F) papermaking. According to the invention, in the aspect of raw material proportioning, an effect of changing waste material into things of value is achieved, and by optimizing the ratio of raw materials, the advantages of long fibers and short fibers are exerted for performing pulp preparation, so that the tensile strength of low-gram-weight corrugated base paper is maximized, thereby solving the problem that in the traditional process of producing micro corrugated board by using the corrugated base paper, micro corrugated boards are low in tensile force and easy to break; and after repulping, screening, concentrating, dehydrating and papermaking are performed, through carrying out special dehydration treatment, drying treatment and surface glue treatment on the obtained object, the plasticity of corrugated paper is increased, so that micro corrugated boards have better forming stability and flat compression strength, and therefore, the micro corrugated boards are more rigid, and not easy to leak.

Description

Minitype corrugation produces the manufacture method with light basis weight, high-strength corrugated base paper
Technical field
The present invention relates to the manufacture method of a kind of minitype corrugation production light basis weight, high-strength corrugated base paper, belong to field of packaging material.
Background technology
Along with sending out of domestic packaging industry is opened, for the production of minitype corrugation (E, F, G Flute) demand of high-strength corrugated base paper increases day by day, the current existing domestic fluting medium for minitype corrugation production is owing to easily occurring broken watt when producing, fracture or stupefied problem, according to RISI incomplete statistics, China is annual from Indonesia, Taiwan, Thailand, the amount of Australia import fluting medium is more than 50000 tons, domestic demand depends on import substantially, the present invention is exactly the solution proposed for this defect, a kind of minitype corrugation production light basis weight is provided, the manufacture method of high-strength corrugated base paper.
Summary of the invention
In order to solve the deficiency in background technology, the object of the invention is to the defect overcoming background technology, the manufacture method of a kind of minitype corrugation production light basis weight, high-strength corrugated base paper is provided, the fluting medium produced has higher tensile strength and plasticity, can import and fill up the blank of this technology domestic outside subrogate country.
For achieving the above object, the technical solution used in the present invention is: the manufacture method of a kind of minitype corrugation production light basis weight, high-strength corrugated base paper, is characterized in that: comprise the following steps:
A) prepare burden, choose U.S. 11# waste paper 65-75 part, European waste paper 34-43 part and China senior carton 12-14 part by weight, and by said ratio to selected U.S. 11# waste paper, European waste paper and domestic senior carton paper mixing, obtain raw material, stand-by;
B) pulping, drops into raw material in pulper and pulverizes, and makes raw material dissociate into fiber, and controls the volume ratio of raw material and water, obtains paper pulp;
C) screen, screened by paper pulp by screening plant, the impurity in removing paper pulp and screenings, obtain good slurry;
D) concentrated, concentrated by polydisc thickener by good slurry, remove the moisture content in good slurry, obtaining moisture content is that manufacturing paper with pulp of 12-17% uses slurry;
E) dewater, on the machine of manufacturing paper with pulp to manufacture paper with pulp with slurry carry out online dewater, press dewatering, obtain paper to be dried;
F) manufacture paper with pulp, the machine of manufacturing paper with pulp manufactures paper with pulp into paper to paper to be dried, and hang with three groups of lists when paper is dry and add two groups of bake dryings that are arranged above and below, to paper surface coating gelatinized starch and Cypres while the capable machine drying that goes out to manufacture paper with pulp of paper, and the coating weight of control table amylopectin and Cypres, through squeezing, dry and batch, obtain corrugated paper.
In a preferred embodiment of the present invention, comprise described step e further) in add top at single fourdrinier wire and to surf the Net on the net dehydration, compress into row press dewatering at the splenium boots of wide nip.
In a preferred embodiment of the present invention, comprise step F further) described in the addition of gelatinized starch be 4.2-5.4g/m 2paper, the addition of described Cypres is 0.12-0.15g/m 2paper.
In a preferred embodiment of the present invention, comprise step B further) described in the volume ratio of raw material and water be 100:5.2-5.7.
In a preferred embodiment of the present invention, the mass percent < 5.0%, the taboo that comprise job lot paper in every hectogram waste paper of described U.S. 11# waste paper required by the satisfied international standard authentication specifications PS-95 standard formulated by international pipeline HVAC machinery IPCA of the U.S. further have the mass percent < 1.0% of thing and the old corrugated container paper of moisture content < 12%.
In a preferred embodiment of the present invention, comprise the collection box cardboard of mass percent < 27% that described European waste paper is impurity in every hectogram waste paper, impurity < 0.8% and moisture content < 10% further, described China senior carton paper is the waste carton paper of assorted mass percent≤8.0% of paper, mass percent≤1.2% of impurity and moisture content≤15.5% in every hectogram carton paper.
Usefulness of the present invention is: minitype corrugation production light basis weight of the present invention, the manufacture method of high-strength corrugated base paper, in raw material preparation, turn waste into wealth, and by the proportioning of optimizing raw material, the advantage playing long fiber and staple fibre carries out slurry preparation, the maximized tensile strength that improve low grammes per square metre fluting medium, pulling force when solving traditional production of fluting base paper minitype corrugation is low, the problem of easily broken paper, again through pulping, screening, concentrated, manufacture paper with pulp after dehydration, by special processed, dry process and the process of table glue, add the plasticity of corrugated paper, minitype corrugation cardboard is made to have better forming stability and flat crushing strength, cardboard is more stiff, and leakiness is not stupefied.
Detailed description of the invention
In order to make those skilled in the art person understand the present invention program better, and enable above-mentioned purpose of the present invention, feature and advantage become apparent more, below in conjunction with embodiment, the present invention is further detailed explanation.
Embodiment 1:
A) prepare burden, by weight, choose the U.S. 11# waste paper of 65 parts of imported from Americas, here alleged U.S. 11# waste paper is the waste and old corrugated case paper of the index request of the international standard authentication specifications PS-95 prescribed by standard that international pipeline HVAC machinery IPCA (International Association Plumbing andMechanical Officials< is called for short IAPMO>) of the U.S. is formulated, the mass percent < 5.0% of the job lot paper in the every hectogram waste paper in this U.S. 11# waste paper, prohibit the mass percent < 1.0% and the moisture content < 12% that there are thing, choose 34 parts of European waste paper, here alleged Europe is the mass percent < 27% of impurity in every hectogram waste paper, the collection box cardboard of impurity < 0.8% and moisture content < 10%, choose 12 parts of senior carton paper of China, here domestic senior carton paper is mass percent≤8.0% of assorted paper in every hectogram carton paper, mass percent≤1.2% of impurity and the waste carton paper of moisture content≤15.5%.Aforesaid 65 parts, U.S. 11# waste paper, 34 parts, European waste paper and 12 parts, the senior carton paper of China are mixed, hybrid mode both can be mechanical mixture, can be also artificial mixing, obtain raw material, stand-by;
B) shredded paper produces paper pulp, by by steps A) raw material that obtains drops in pulper and pulverizes, and the volume ratio of raw material and water is 100:5.2, makes raw material dissociate into fiber, obtains paper pulp;
C) screen, by by step B) to proceed to such as preferred model of being produced by KBC company of the U.S. usual in paper industry be in the desander of N025 for the paper pulp that obtains, the hard foreign material of such as sandstone (sandstone) and iron nail and so in removing paper pulp, the such as preferred model of being produced by KBC company of the U.S. proceeding to paper industry more usual is in the screening machine of UV-500, remove the soft waste articles being similar to foamed plastics etc. be mixed in paper pulp, proceeding to the model of being produced by KBC company of the U.S. is again in the screening machine of UV-500, remove the less screenings be mixed in paper pulp, so far, good slurry is obtained by the foreign material in screening removing paper pulp and screenings,
D) concentrated, good slurry is introduced the DF-520 polydisc thickener agriculture place that VOITH company of the polydisc thickener U.S. produces, to remove the moisture in good slurry, make the moisture content of good slurry reach 12-17%, obtain manufacturing paper with pulp with slurry;
E) dewatering, the machine of manufacturing paper with pulp to carry out with slurry to manufacturing paper with pulp online is dewatered, press dewatering, concrete add top at single fourdrinier wire and to surf the Net on the net dehydration, compress into row press dewatering at the splenium boots of wide nip, obtain paper to be dried;
F) manufacture paper with pulp, the machine of manufacturing paper with pulp manufactures paper with pulp into paper to paper to be dried, and hang with three groups of lists when paper is dry and add two groups of bake dryings that are arranged above and below, in the process of the capable machine drying that goes out to manufacture paper with pulp of paper, adopt the double-roller type surface size press having BTG company of Finland to produce at paper surface coating gelatinized starch 4.2g/m 2paper and Cypres 0.12g/m 2paper, the trade mark that gelatinized starch preferably adopts PSCS company of Thailand to produce is PS-II type gelatinized starch, Cypres preferably adopts the trade mark produced by German BK company to be BK-530 type Cypres, through squeezing, dries and batches, obtain the corrugated paper with the technique effect shown in table 1.
Embodiment 2:
Only change the number of the U.S. 11# waste paper in embodiment 1 into 70 parts, change the parts by weight of European waste paper into 38 parts, the parts by weight of the senior carton paper of China change 13 parts into, by step B) volume ratio of Raw and water changes 100:5.5 into, by step F) in change the amount of gelatinized starch into 4.8g/m 2paper and change 0.135g/m into by two of Cypres 2paper, remaining is all with the description of embodiment 1.
Embodiment 3:
Only change the number of the U.S. 11# waste paper in embodiment 1 into 75 parts, change the parts by weight of European waste paper into 43 parts, the parts by weight of the senior carton paper of China change 14 parts into, by step B) volume ratio of Raw and water changes 100:5.7 into, by step F) in change the amount of gelatinized starch into 5.4g/m 2paper and change 0.15g/m into by two of Cypres 2paper, remaining is all with the description of embodiment 1.
The corrugated paper obtained by above-described embodiment 1-3 has the technique effect described in following table compared with prior art:
Above-described embodiment is the present invention's preferably embodiment; but embodiments of the present invention are not limited by the examples; the change done under other any does not deviate from Spirit Essence of the present invention and principle, modification, substitute, combine, simplify the substitute mode that all should be equivalence, be included within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should define with claim is as the criterion.

Claims (6)

1. minitype corrugation produces the manufacture method with light basis weight, high-strength corrugated base paper, it is characterized in that: comprise the following steps:
A) prepare burden, choose U.S. 11# waste paper 65-75 part, European waste paper 34-43 part and China senior carton 12-14 part by weight, and by said ratio to selected U.S. 11# waste paper, European waste paper and domestic senior carton paper mixing, obtain raw material, stand-by;
B) pulping, drops into raw material in pulper and pulverizes, and makes raw material dissociate into fiber, and controls the volume ratio of raw material and water, obtains paper pulp;
C) screen, screened by paper pulp by screening plant, the impurity in removing paper pulp and screenings, obtain good slurry;
D) concentrated, concentrated by polydisc thickener by good slurry, remove the moisture content in good slurry, obtaining moisture content is that manufacturing paper with pulp of 12-17% uses slurry;
E) dewater, on the machine of manufacturing paper with pulp to manufacture paper with pulp with slurry carry out online dewater, press dewatering, obtain paper to be dried;
F) manufacture paper with pulp, the machine of manufacturing paper with pulp manufactures paper with pulp into paper to paper to be dried, and hang with three groups of lists when paper is dry and add two groups of bake dryings that are arranged above and below, to paper surface coating gelatinized starch and Cypres while the capable machine drying that goes out to manufacture paper with pulp of paper, and the coating weight of control table amylopectin and Cypres, through squeezing, dry and batch, obtain corrugated paper.
2. the manufacture method of minitype corrugation production light basis weight according to claim 1, high-strength corrugated base paper, is characterized in that: described step e) in add top at single fourdrinier wire and to surf the Net on the net dehydration, compress into row press dewatering at the splenium boots of wide nip.
3. the manufacture method of minitype corrugation production light basis weight according to claim 1, high-strength corrugated base paper, is characterized in that: step F) described in the addition of gelatinized starch be 4.2-5.4g/m 2paper, the addition of described Cypres is 0.12-0.15g/ m 2paper.
4. the manufacture method of minitype corrugation production light basis weight according to claim 1, high-strength corrugated base paper, is characterized in that: step B) described in the volume ratio of raw material and water be 100:5.2-5.7.
5. the manufacture method of minitype corrugation production light basis weight according to claim 1, high-strength corrugated base paper, is characterized in that: described U.S. 11# waste paper be meet job lot paper in the every hectogram waste paper required by international standard authentication specifications PS-95 standard formulated by international pipeline HVAC machinery IPCA of the U.S. mass percent < 5.0%, prohibit and have the mass percent < 1.0% of thing and the old corrugated container paper of moisture content < 12%.
6. the manufacture method of minitype corrugation production light basis weight according to claim 1, high-strength corrugated base paper, it is characterized in that: described European waste paper is mass percent < 27%, the impurity < 0.8% of impurity in every hectogram waste paper and the collection box cardboard of moisture content < 10%, described China senior carton paper is the waste carton paper of assorted mass percent≤8.0% of paper, mass percent≤1.2% of impurity and moisture content≤15.5% in every hectogram carton paper.
CN201510007565.7A 2015-01-07 2015-01-07 Method for manufacturing low-basis-weight and high-strength corrugated base paper for micro corrugated board production Pending CN104631195A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106436432A (en) * 2015-08-11 2017-02-22 玖龙纸业(天津)有限公司 Corrugated board manufacturing method
CN107905018A (en) * 2017-11-15 2018-04-13 东莞顺裕纸业有限公司 A kind of process for cleanly preparing using litter decoration production corrugating medium
CN108385426A (en) * 2018-04-04 2018-08-10 浙江荣晟环保纸业股份有限公司 A method of producing the low special corrugating medium of gram weight and high strength degree electric business using domestic waste paper
CN110714349A (en) * 2019-10-21 2020-01-21 江苏星光新材料科技有限公司 Production process of high-strength corrugated base paper

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101408008A (en) * 2008-10-29 2009-04-15 李新桥 Method and equipment for producing moulding corrugated paper sheet by using waste paper
CN101565913A (en) * 2009-05-08 2009-10-28 东莞玖龙纸业有限公司 Method for producing corrugated paper with ultralow gram weight and high strength
CN101716832A (en) * 2009-12-11 2010-06-02 江苏理文造纸有限公司 Corrugated paper and manufacturing method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101408008A (en) * 2008-10-29 2009-04-15 李新桥 Method and equipment for producing moulding corrugated paper sheet by using waste paper
CN101565913A (en) * 2009-05-08 2009-10-28 东莞玖龙纸业有限公司 Method for producing corrugated paper with ultralow gram weight and high strength
CN101716832A (en) * 2009-12-11 2010-06-02 江苏理文造纸有限公司 Corrugated paper and manufacturing method thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106436432A (en) * 2015-08-11 2017-02-22 玖龙纸业(天津)有限公司 Corrugated board manufacturing method
CN107905018A (en) * 2017-11-15 2018-04-13 东莞顺裕纸业有限公司 A kind of process for cleanly preparing using litter decoration production corrugating medium
CN107905018B (en) * 2017-11-15 2021-01-22 东莞顺裕纸业有限公司 Clean production process for producing corrugated medium paper by using waste paper box
CN108385426A (en) * 2018-04-04 2018-08-10 浙江荣晟环保纸业股份有限公司 A method of producing the low special corrugating medium of gram weight and high strength degree electric business using domestic waste paper
CN108385426B (en) * 2018-04-04 2019-11-08 浙江荣晟环保纸业股份有限公司 A method of low gram weight and high strength degree corrugating medium is produced using domestic waste paper
CN110714349A (en) * 2019-10-21 2020-01-21 江苏星光新材料科技有限公司 Production process of high-strength corrugated base paper

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Application publication date: 20150520