CN102691233A - Production method for high-bulk grey board - Google Patents
Production method for high-bulk grey board Download PDFInfo
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- CN102691233A CN102691233A CN2012101704987A CN201210170498A CN102691233A CN 102691233 A CN102691233 A CN 102691233A CN 2012101704987 A CN2012101704987 A CN 2012101704987A CN 201210170498 A CN201210170498 A CN 201210170498A CN 102691233 A CN102691233 A CN 102691233A
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Abstract
The invention discloses a production method for a high-bulk grey board. The production method is characterized in that when pulp required for a surface lining and a bottom lining is prepared, mechanical pulp is added into deinked pulp for preparing the surface lining and mixed waste paper pulp for preparing the bottom lining respectively in a pulp mixing process. compared with the grey board processed by a traditional method, the high-bulk grey board processed by the production method provided by the invention has the advantages as follows: the gram weight is low on the premises that the thicknesses are equal and the product performances are ensured, conversely, the thickness is 12 percent lager than that of the traditional grey board on the premise of equal gram weights; and as the gram weight of the high-bulk grey board is low under the condition of equal thicknesses, so that the consumption of paper pulp is reduced, the consumption of corresponding fiber resource is reduced, and meanwhile the energy consumption during transport is also reduced, so as to correspondingly reduce the emission of carbon dioxide and facilitate the environment protection and resource protection.
Description
Technical field
The present invention relates to the production method of cardboard in the paper-making industry, relate in particular to a kind of production method of high bulk ash end white board.
Background technology
At present, a lot of product external packagings all is to adopt carton package on the market, and carton all is to be processed by cardboard, therefore causes the consumption of cardboard also very big.And white board of the grey end in the market; For guaranteeing the properties of product of cardboard; Like: deflection, withstand voltage, folding strength etc., its grammes per square metre is bigger in the cal(l)iper of enterprise production defined, and this just causes the amount ratio of paper pulp in the production process of ash end white board bigger; The consumption of its corresponding fibre resources is also bigger, is unfavorable for the protection of environment and resource.
Summary of the invention
Technical problem to be solved by this invention provides a kind of under the prerequisite that guarantees properties of product, the production method of the high bulk ash end white board that interior its grammes per square metre of same thickness is smaller.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of production method of high bulk ash end white board, and its concrete production process is:
(1), prepares surface layer, face lining, sandwich layer, end liner layer and the required slurry of bottom through size degradation, screening, purification, flotation, hot dispersion, bleaching, defibrination and mixed slurry;
(2), the slurry that will be used to prepare each pulp layer delivers to the moulding of manufacturing paper with pulp of paper machine with approach system, prepares surface layer, face lining, sandwich layer, end liner layer and bottom respectively;
(3), prepare appear precoated shet and the required coating of face finishing coat through dissolving, blending, reaction, filtration treatment;
(4), each pulp layer is carried out press dewatering and be compounded to form cardboard; And cardboard carried out dried; WATER REPELLENT TREATMENT (being applying glue) is carried out on the surface of facings and bottom respectively then; On surface layer, coat the coating for preparing again successively and form face precoating layer of cloth and face face coating layer, at last cardboard is carried out press polish, cut paper and choosing reason, produce qualified high bulk ash end white board;
In the described step (1); When the required slurry of preparation face lining and end liner layer; In mixing the slurry process, starch and the mixed waste pulp that is used to prepare the end liner layer adds mechanical pulp toward the deinking that is used for preparing the face lining respectively; The adding proportion of wherein controlling deinking slurry and mechanical pulp is that the adding proportion of 1:1.5～2, mixed waste pulp and mechanical pulp is 1:0.4～0.5; And mix, obtain being used to prepare the slurry of face lining and end liner layer respectively;
In the described step (2); When manufacturing paper with pulp face lining and end liner layer; The grammes per square metre of chain of command lining for the tradition ash end of preparation same thickness during white board face lining grammes per square metre 90～92%, the grammes per square metre of control end liner layer during for the tradition ash end white board of preparation same thickness end liner layer grammes per square metre 90～92%.
The concrete preparation process of described mechanical pulp is: in wood pulp, add sulphite; The quality percentage composition of control sulphite is 1～7% of a wood pulp; And be heated to 120～135 ℃; Dipping 2～5min; Then wood pulp is sent in the disc mill and pulled an oar; When the freeness of wood pulp is 320 ± 20ml, accomplish pulping process, obtain mechanical pulp; Can discongest and wire-dividing broom purification the fiber of wood pulp by making beating, improve into paper product matter.
Described sulphite is sodium sulfite or sodium dithionite.
Compared with prior art; Advantage of the present invention is to compare with the white board of the grey end that conventional method processing obtains through the high bulk ash end white board that this method processing obtains, and is identical and guarantee under the prerequisite of properties of product (high like deflection, folding strength is high, good, surperficial evenness of resistance to pressure and smoothness are good etc.) of cardboard at thickness; Its grammes per square metre is little; Under the identical prerequisite of grammes per square metre, its thickness is higher more than 12% than the thickness of traditional white board of the grey end conversely speaking; And because under the situation of same thickness, the grammes per square metre of this cardboard is little, so the use amount of its paper pulp also reduces; Corresponding fibre resources consumption also reduces; Energy resource consumption when also having reduced simultaneously transportation has also reduced emission amount of carbon dioxide accordingly, helps the protection of environment and resource.
The specific embodiment
Below the present invention is described in further detail.
Embodiment one: a kind of production method of high bulk ash end white board, and its concrete production process is:
(1), in wood pulp, add sodium sulfite, the quality percentage composition of control sodium sulfite is 2% of a wood pulp, and is heated to 120 ℃; Dipping 2min sends into wood pulp in the disc mill then and pulls an oar, when the freeness of wood pulp is 320ml; Accomplish pulping process, obtain mechanical pulp;
(2)
,Prepare surface layer, face lining, sandwich layer, end liner layer and the required slurry of bottom through size degradation, screening, purification, flotation, hot dispersion, bleaching, defibrination and mixed slurry; Wherein when the required slurry of preparation face lining and end liner layer; In mixing the slurry process, starch and the mixed waste pulp that is used to prepare the end liner layer adds mechanical pulp toward the deinking that is used for preparing the face lining respectively; The adding proportion of wherein controlling deinking slurry and mechanical pulp is that the adding proportion of 1:1.5, mixed waste pulp and mechanical pulp is 1:0.4; And mix, obtain being used to prepare the slurry of face lining and end liner layer respectively;
The slurry that (3), will be used to prepare each pulp layer is delivered to the moulding of manufacturing paper with pulp of paper machine with approach system; Prepare surface layer, face lining, sandwich layer, end liner layer and bottom respectively; And the grammes per square metre of chain of command lining for the tradition ash end of preparation same thickness during white board face lining grammes per square metre 90.5%, the grammes per square metre of control end liner layer during for the tradition ash end white board of preparation same thickness end liner layer grammes per square metre 90%;
(4), prepare appear precoated shet and the required coating of face finishing coat through dissolving, blending, reaction, filtration treatment;
(5), each pulp layer is carried out press dewatering and be compounded to form cardboard; And cardboard carried out dried; WATER REPELLENT TREATMENT is carried out on the surface of facings and bottom respectively then; On surface layer, coat the coating for preparing again successively and form face precoating layer of cloth and face face coating layer, at last cardboard is carried out press polish, cut paper and choosing reason, produce qualified high bulk ash end white board.
Embodiment two: a kind of production method of high bulk ash end white board, and its concrete production process is:
(1), in wood pulp, add sodium sulfite, the quality percentage composition of control sodium sulfite is 4% of a wood pulp, and is heated to 128 ℃; Dipping 4min sends into wood pulp in the disc mill then and pulls an oar, when the freeness of wood pulp is 330ml; Accomplish pulping process, obtain mechanical pulp;
(2)
,Prepare surface layer, face lining, sandwich layer, end liner layer and the required slurry of bottom through size degradation, screening, purification, flotation, hot dispersion, bleaching, defibrination and mixed slurry; Wherein when the required slurry of preparation face lining and end liner layer; In mixing the slurry process, starch and the mixed waste pulp that is used to prepare the end liner layer adds mechanical pulp toward the deinking that is used for preparing the face lining respectively; The adding proportion of wherein controlling deinking slurry and mechanical pulp is that the adding proportion of 1:1.8, mixed waste pulp and mechanical pulp is 1:0.5; And mix, obtain being used to prepare the slurry of face lining and end liner layer respectively;
The slurry that (3), will be used to prepare each pulp layer is delivered to the moulding of manufacturing paper with pulp of paper machine with approach system; Prepare surface layer, face lining, sandwich layer, end liner layer and bottom respectively; And the grammes per square metre of chain of command lining for the tradition ash end of preparation same thickness during white board face lining grammes per square metre 91.7%, the grammes per square metre of control end liner layer during for the tradition ash end white board of preparation same thickness end liner layer grammes per square metre 90.8%;
(4), prepare appear precoated shet and the required coating of face finishing coat through dissolving, blending, reaction, filtration treatment;
(5), each pulp layer is carried out press dewatering and be compounded to form cardboard; And cardboard carried out dried; WATER REPELLENT TREATMENT is carried out on the surface of facings and bottom respectively then; On surface layer, coat the coating for preparing again successively and form face precoating layer of cloth and face face coating layer, at last cardboard is carried out press polish, cut paper and choosing reason, produce qualified high bulk ash end white board.
Embodiment three: a kind of production method of high bulk ash end white board, and its concrete production process is:
(1), in wood pulp, add sodium dithionite, the quality percentage composition of control sodium dithionite is 7% of a wood pulp, and is heated to 135 ℃; Dipping 3min sends into wood pulp in the disc mill then and pulls an oar, when the freeness of wood pulp is 340ml; Accomplish pulping process, obtain mechanical pulp;
(2)
,Prepare surface layer, face lining, sandwich layer, end liner layer and the required slurry of bottom through size degradation, screening, purification, flotation, hot dispersion, bleaching, defibrination and mixed slurry; Wherein when the required slurry of preparation face lining and end liner layer; In mixing the slurry process, starch and the mixed waste pulp that is used to prepare the end liner layer adds mechanical pulp toward the deinking that is used for preparing the face lining respectively; The adding proportion of wherein controlling deinking slurry and mechanical pulp is that the adding proportion of 1:2, mixed waste pulp and mechanical pulp is 1:0.5; And mix, obtain being used to prepare the slurry of face lining and end liner layer respectively;
The slurry that (3), will be used to prepare each pulp layer is delivered to the moulding of manufacturing paper with pulp of paper machine with approach system; Prepare surface layer, face lining, sandwich layer, end liner layer and bottom respectively; And the grammes per square metre of chain of command lining for the tradition ash end of preparation same thickness during white board face lining grammes per square metre 91%, the grammes per square metre of control end liner layer during for the tradition ash end white board of preparation same thickness end liner layer grammes per square metre 92%;
(4), prepare appear precoated shet and the required coating of face finishing coat through dissolving, blending, reaction, filtration treatment;
(5), each pulp layer is carried out press dewatering and be compounded to form cardboard; And cardboard carried out dried; WATER REPELLENT TREATMENT is carried out on the surface of facings and bottom respectively then; On surface layer, coat the coating for preparing again successively and form face precoating layer of cloth and face face coating layer, at last cardboard is carried out press polish, cut paper and choosing reason, produce qualified high bulk ash end white board.
Claims (3)
1. the production method of high bulk ash end white board, its concrete production process is:
(1), prepares surface layer, face lining, sandwich layer, end liner layer and the required slurry of bottom through size degradation, screening, purification, flotation, hot dispersion, bleaching, defibrination and mixed slurry;
(2), the slurry that will be used to prepare each pulp layer delivers to the moulding of manufacturing paper with pulp of paper machine with approach system, prepares surface layer, face lining, sandwich layer, end liner layer and bottom respectively;
(3), prepare appear precoated shet and the required coating of face finishing coat through dissolving, blending, reaction, filtration treatment;
(4), each pulp layer is carried out press dewatering and be compounded to form cardboard; And cardboard carried out dried; WATER REPELLENT TREATMENT is carried out on the surface of facings and bottom respectively then; On surface layer, coat the coating for preparing again successively and form face precoating layer of cloth and face face coating layer, at last cardboard is carried out press polish, cut paper and choosing reason, produce qualified high bulk ash end white board;
It is characterized in that in the described step (1); When the required slurry of preparation face lining and end liner layer; In mixing the slurry process, starch and the mixed waste pulp that is used to prepare the end liner layer adds mechanical pulp toward the deinking that is used for preparing the face lining respectively; The adding proportion of wherein controlling deinking slurry and mechanical pulp is that the adding proportion of 1:1.5～2, mixed waste pulp and mechanical pulp is 1:0.4～0.5; And mix, obtain being used to prepare the slurry of face lining and end liner layer respectively;
In the described step (2); When manufacturing paper with pulp face lining and end liner layer; The grammes per square metre of chain of command lining for the tradition ash end of preparation same thickness during white board face lining grammes per square metre 90～92%, the grammes per square metre of control end liner layer during for the tradition ash end white board of preparation same thickness end liner layer grammes per square metre 90～92%.
2. the production method of a kind of high bulk ash end white board as claimed in claim 1 is characterized in that the concrete preparation process of described mechanical pulp is: in wood pulp, add sulphite, the quality percentage composition of control sulphite is 1～7% of a wood pulp; And be heated to 120～135 ℃; Dipping 2～5min sends into wood pulp in the disc mill then and pulls an oar, when the freeness of wood pulp is 320 ± 20ml; Accomplish pulping process, obtain mechanical pulp.
3. the production method of a kind of high bulk ash end white board as claimed in claim 2 is characterized in that described sulphite is sodium sulfite or sodium dithionite.
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| CN201210170498.7A CN102691233B (en) | 2012-05-29 | 2012-05-29 | Production method for high-bulk grey board |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103437232A (en) * | 2013-07-01 | 2013-12-11 | 浙江永泰纸业集团股份有限公司 | High-grade coating white paper board production process |
| CN104099798A (en) * | 2014-06-24 | 2014-10-15 | 马鞍山纽泽科技服务有限公司 | Production process for white paper board |
| CN106223090A (en) * | 2016-07-29 | 2016-12-14 | 联盛纸业（龙海）有限公司 | A kind of wood chip defibrator process slurry substitutes OCC and joins the production method copying high-grade single spreading coated duplex board with grey back |
| CN106223091A (en) * | 2016-07-29 | 2016-12-14 | 联盛纸业（龙海）有限公司 | A kind of brush wood wood chip defibrator process slurry substitutes OCC slurry and joins the production method copying high-grade cardboard |
| CN106948208A (en) * | 2017-03-09 | 2017-07-14 | 华南理工大学 | A kind of environmentally friendly light basis weight coated duplex board with grey back and preparation method thereof |
| CN109487615A (en) * | 2018-12-10 | 2019-03-19 | 上海宏图尚威环保科技股份有限公司 | A kind of chipboard production technology using 3D printing glue spraying |
| CN110804901A (en) * | 2019-10-18 | 2020-02-18 | 浙江一树纸业有限公司 | High-definition patterned paper formula and preparation method |
| CN116876250A (en) * | 2023-07-07 | 2023-10-13 | 浙江金龙再生资源科技股份有限公司 | Device and process for producing exposed-bottom-ash-free paperboard with increased bulk |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103437232B (en) * | 2013-07-01 | 2016-06-29 | 浙江永泰纸业集团股份有限公司 | A kind of senior coated white paperboard production technology |
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| CN106223090B (en) * | 2016-07-29 | 2017-12-15 | 联盛纸业（龙海）有限公司 | A kind of wood chip defibrator process slurry substitutes OCC and matches somebody with somebody the production method for copying high-grade one side coating coated duplex board with grey back |
| CN106223090A (en) * | 2016-07-29 | 2016-12-14 | 联盛纸业（龙海）有限公司 | A kind of wood chip defibrator process slurry substitutes OCC and joins the production method copying high-grade single spreading coated duplex board with grey back |
| CN106223091A (en) * | 2016-07-29 | 2016-12-14 | 联盛纸业（龙海）有限公司 | A kind of brush wood wood chip defibrator process slurry substitutes OCC slurry and joins the production method copying high-grade cardboard |
| CN106223091B (en) * | 2016-07-29 | 2017-12-15 | 联盛纸业（龙海）有限公司 | A kind of brush wood wood chip defibrator process slurry substitutes OCC slurries with the production method for copying high-grade cardboard |
| CN106948208A (en) * | 2017-03-09 | 2017-07-14 | 华南理工大学 | A kind of environmentally friendly light basis weight coated duplex board with grey back and preparation method thereof |
| CN109487615A (en) * | 2018-12-10 | 2019-03-19 | 上海宏图尚威环保科技股份有限公司 | A kind of chipboard production technology using 3D printing glue spraying |
| CN110804901A (en) * | 2019-10-18 | 2020-02-18 | 浙江一树纸业有限公司 | High-definition patterned paper formula and preparation method |
| CN116876250A (en) * | 2023-07-07 | 2023-10-13 | 浙江金龙再生资源科技股份有限公司 | Device and process for producing exposed-bottom-ash-free paperboard with increased bulk |
| CN116876250B (en) * | 2023-07-07 | 2024-05-17 | 浙江金龙再生资源科技股份有限公司 | Device and process for producing exposed-bottom-ash-free paperboard with increased bulk |
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Effective date of registration: 20211020 Address after: 256400 north head of Gongye Road, Maqiao Town, Huantai County, Zibo City, Shandong Province Patentee after: SHANDONG BOHUI PAPER IND Co.,Ltd. Address before: 315803 No. 88 Hongyuan Road, Beilun District, Zhejiang, Ningbo Patentee before: Ningbo Asia Pulp & Paper Co.,Ltd. |