CN102154956B - White top linerboard and production process thereof - Google Patents
White top linerboard and production process thereof Download PDFInfo
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- CN102154956B CN102154956B CN 201110045576 CN201110045576A CN102154956B CN 102154956 B CN102154956 B CN 102154956B CN 201110045576 CN201110045576 CN 201110045576 CN 201110045576 A CN201110045576 A CN 201110045576A CN 102154956 B CN102154956 B CN 102154956B
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Abstract
The invention discloses a white top linerboard and a production process thereof. The white top linerboard comprises a surface layer, a core layer and a base layer, wherein the surface layer is made of bleached pulp. The production process of the white top linerboard comprises the steps of: (1) white water transformation of the surface layer; (2) production of the bleached pulp; (3) production of a white cardboard; and (4) production of the surface layer of the white cardboard. The white top linerboard is made of environment-friendly bleached pulp instead of commodity wood pulp, and the surface layer is made of the bleached pulp, therefore, the white top linerboard has high strength and excellent quality; in addition, the environment-friendly bleached pulp is fabricated from office paper waste of enterprises through the purifying methods of deinking, bleaching, thermally dispersing and the like, does not consume wood, protects the environment, reduces the production cost and ensures the quality of products.
Description
Technical field
What the present invention relates to is a kind of production technology of white-top kraft liner board, and what be specifically related to is that a kind of environmental protection bleached pulp that utilizes replaces commercial wood pulp to produce the technology of white-top kraft liner board.
Background technology
White-top kraft liner board intensity is high, the single face whiteness is also higher, thereby becomes a kind of broad-spectrum packaging material day by day.It generally includes a surface layer, a sandwich layer and a bottom, owing to adopted layer structure, surface layer, sandwich layer and bottom can adopt different fibre stufves; And original production white-top kraft liner board is put into technology; The whole commodity in use wood pulps of the surface layer of white-top kraft liner board, its cost is high, along with market price fluctuation; The quality fluctuation of commercial pulp causes the fluctuation of art post paperboard surface layer color simultaneously, and the outward appearance of surface layer is good not as the quality of environmental protection slurry simultaneously.
Summary of the invention
To the deficiency that exists on the prior art, the present invention seeks to be that a kind of intensity height, Functionality, quality and appealing design, environmental protection are provided and utilize the environmental protection bleached pulp replace white-top kraft liner board that commercial wood pulp produces with and production technology.
To achieve these goals, the present invention realizes through following technical scheme:
A kind of white-top kraft liner board, it comprises surface layer, sandwich layer and bottom; It is characterized in that said surface layer has adopted bleached pulp to be made.
The production technology of above-mentioned white-top kraft liner board is characterized in that, this technology comprises:
(1) surface layer plain boiled water adaptation step, pipeline recycles after sending waste and old wastepaper (MOW) workshop to handle again through installing additional independently with papermaking surface layer plain boiled water;
(2) bleached pulp production craft step; The waste and old wastepaper that adopts deinking screening purified treatment to reclaim, and with making its physical characteristic that reaches primary slurry and appearance requirement after the waste and old wastepaper bleaching, be used for follow-up alternative primary slurry and produce various art post paperboards;
(3) art post paperboard production stage; The secondary stock that environmental protection bleaching, old newsprint deinking bleached pulp and the second hand cases paperboard of old wastepaper production line are handled through fiber classification is delivered to surface layer, sandwich layer and the bottom of paper machine approach system respectively, after the paper machine is copied into three layers, carries out the compound vermicelli art post paperboard of producing;
(4) art post paperboard surface layer production craft step; To pass through the environmental protection slurry that deinking bleaching is handled, handle making its requirement that reaches paper machine making through refining, compound with the core bottom after the moulding of surface layer wet end, go out qualified finished product by the paper machine series production of normally manufacturing paper with pulp then.
The present invention utilizes the environmental protection bleached pulp to replace commercial wood pulp, makes by surface layer being adopted the environmental protection bleached pulp, and its intensity is high, Functionality, quality and appealing design; And this environmental protection bleached pulp to be enterprise oneself make through purification means such as deinking, bleaching, heat dispersion with wastepaper, without timber, protect environment, reduced production cost, the quality of product is provided.
Description of drawings
Specify the present invention below in conjunction with the accompanying drawing and the specific embodiment;
Fig. 1 is the schematic flow sheet of surface layer plain boiled water adaptation step of the present invention;
Fig. 2 is the schematic flow sheet of bleached pulp production craft step of the present invention;
Fig. 3 is the schematic flow sheet of art post paperboard surface layer production craft step of the present invention.
The specific embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect and be easy to understand and understand, below in conjunction with the specific embodiment, further set forth the present invention.
Embodiment:
A kind of white-top kraft liner board of present embodiment, the bottom that it comprises sandwich layer, is arranged on the surface layer on the sandwich layer and is in the sandwich layer bottom; This surface layer is to adopt bleached pulp to be made.
In the present embodiment, newsprint deinking bleached pulp and second hand cases paperboard are made sandwich layer and bottom respectively through the secondary stock of fiber classification processing.
The production technology of this white-top kraft liner board comprises as follows:
(1) surface layer plain boiled water adaptation step; Pipeline recycles after sending waste and old wastepaper (MOW) workshop to handle again through installing additional independently with papermaking surface layer plain boiled water for it.
In the present embodiment, these step concrete operations are as shown in Figure 1, and the PM10 papermaking machine water papermaking surface layer white water chest of flowing through through being pumped into the MOW workshop, is handled through the shallow air-floatation water purifier of flotation then, and the white-water system that gets into the MOW workshop recycles.
(2) bleached pulp production craft step; The waste and old wastepaper that it adopts deinking screening purified treatment to reclaim, and with making its physical characteristic that reaches primary slurry and appearance requirement after the waste and old wastepaper bleaching, be used for follow-up alternative primary slurry and produce various art post paperboards.
Referring to Fig. 2; In the present embodiment; Waste paper Bales Off system is transported to the pulping deinking system and carries out desanding and screening through high concentration desanding device and screening system after treatment through counting heavy conveyer belt; Again through the operation of thickener, kneader decentralized system, preceding floatation system, polydisc filter; Disperse bleaching system to get into bleaching tower by heat then and bleach, once more through after floatation system, polydisc filter, entering machine chest system of Bleaching reactor system and PM10 starch adhesive system, make its physical characteristic that reaches primary slurry and appearance requirement then.
(3) art post paperboard production stage; Environmental protection bleaching with old wastepaper production line; The secondary stock that old newsprint deinking bleached pulp that present embodiment provides and second hand cases paperboard are handled through fiber classification is delivered to surface layer, sandwich layer and the bottom of paper machine approach system respectively, after the paper machine is copied into three layers, carries out the compound vermicelli art post paperboard of producing.
(4) art post paperboard surface layer production craft step; To pass through the environmental protection slurry that deinking bleaching is handled, handle making its requirement that reaches paper machine making through refining, compound with the core bottom after the moulding of surface layer wet end, go out qualified finished product by the paper machine series production of normally manufacturing paper with pulp then.
The concrete operations of this step are as shown in Figure 3; To pass through the environmental protection bleached pulp of handling well in the MOW workshop and put into starch adhesive mill forebay through starch adhesive double plate barreling mill back entering mill after-bay; Send system to send into the veil moulding through paper machine side laminar flow again and carry out forming processes, handle through splenium and preceding oven dry portion with core bottom page is compound then, and then table glue is handled with back oven dry portion; Again through batch, rewinding qualified art post paperboard, weigh at last and put storage in storage.
Based on above-mentioned, the present invention utilizes the environmental protection bleached pulp to replace commercial wood pulp, makes by surface layer being adopted the environmental protection bleached pulp, and its intensity is high, Functionality, quality and appealing design; And this environmental protection bleached pulp to be enterprise oneself make through purification means such as deinking, bleaching, heat dispersion with wastepaper, without timber, protect environment, reduced production cost, the quality of product is provided.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the specification just explains principle of the present invention; Under the prerequisite that does not break away from spirit and scope of the invention, the present invention also has various changes and modifications, and these variations and improvement all fall in the scope of the invention that requires protection.The scope of the claimed invention by the appended claims and their equivalents defined
.
Claims (1)
1. the production technology of a white-top kraft liner board is characterized in that, this white-top kraft liner board comprises surface layer, sandwich layer and bottom, and said surface layer has adopted bleached pulp to be made, and this technology comprises:
(1) surface layer plain boiled water adaptation step, pipeline recycles after sending waste and old wastepaper workshop to handle again through installing additional independently with papermaking surface layer plain boiled water;
(2) bleached pulp production craft step; The waste and old wastepaper that adopts deinking screening purified treatment to reclaim, and with making its physical characteristic that reaches primary slurry and appearance requirement after the waste and old wastepaper bleaching, be used for follow-up alternative primary slurry and produce various art post paperboards;
(3) art post paperboard production stage; The secondary stock that environmental protection bleaching, old newsprint deinking bleached pulp and the second hand cases paperboard of old wastepaper production line are handled through fiber classification is delivered to surface layer, sandwich layer and the bottom of paper machine approach system respectively, after the paper machine is copied into three layers, carries out the compound vermicelli art post paperboard of producing;
(4) art post paperboard surface layer production craft step; To pass through the environmental protection slurry that deinking bleaching is handled, handle making its requirement that reaches paper machine making through refining, compound with the core bottom after the moulding of surface layer wet end, go out qualified finished product by the paper machine series production of normally manufacturing paper with pulp then.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110045576 CN102154956B (en) | 2011-02-25 | 2011-02-25 | White top linerboard and production process thereof |
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| CN 201110045576 CN102154956B (en) | 2011-02-25 | 2011-02-25 | White top linerboard and production process thereof |
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| CN102154956A CN102154956A (en) | 2011-08-17 |
| CN102154956B true CN102154956B (en) | 2012-12-12 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102535252B (en) * | 2012-01-09 | 2013-12-11 | 富阳华利纸业有限公司 | Method for producing environment-friendly white cardboard |
| CN104153230B (en) * | 2014-08-07 | 2017-03-01 | 浙江景兴纸业股份有限公司 | A kind of production method of craft paper |
| CN104631201B (en) * | 2015-01-08 | 2017-01-04 | 江苏理文造纸有限公司 | The technique that a kind of waste paper recycling produces low gram weight and high strength degree heavy wrapping craft paper |
| CN105735033B (en) * | 2016-02-19 | 2017-11-07 | 江苏理文造纸有限公司 | A kind of production technology of white-top kraft liner board |
| CN109457545B (en) * | 2018-10-18 | 2021-06-01 | 东莞金洲纸业有限公司 | Production process of high-brightness kraft liner board |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101153471A (en) * | 2006-09-27 | 2008-04-02 | 吴解生 | Non-process sealing circulation technology for wastewater from pulp and paper making by non-delignify reaction |
| CN101333784B (en) * | 2008-07-30 | 2012-08-29 | 浙江永泰纸业集团股份有限公司 | Novel energy-conserving environment-protecting complete-regeneration coating white cardboard and method for preparing same |
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