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Tipping base paper production line and papermaking technology of tipping base paper

A technology of tipping base paper and papermaking technology, which is applied in papermaking, papermaking machines, textiles and papermaking, etc. It can solve the problems of hair loss in long fiber ratio, uncontrollable powder shedding, large degree of fiber treatment, and aggravated lint and powder shedding. , to achieve the effect of improving the tipping base paper production line and tipping base paper papermaking process, improving hair loss, and improving product quality

Inactive Publication Date: 2017-10-10
潍坊华港包装材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Broad-leaf pulp needs a high degree of beating to achieve the required tensile index, which will cause excessive fiber treatment, increase the number of fragments, and aggravate the phenomenon of hair loss and powder loss
If the proportion of long fiber is too low, the phenomenon of hair shedding and powder shedding will become uncontrollable

Method used

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  • Tipping base paper production line and papermaking technology of tipping base paper

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Such as figure 1 As shown, the base paper production line for tipping includes the pulp making section, the pulp mixing tank, the forecourt tank, the high level box, the four-stage desander, the pulp pump, the internal flow screen, the headbox, the upper section, and the pressing section. , drying section, calender, horizontal coiler, slitter rewinder.

[0038] The pulping department includes the long-fiber wood pulp pulping department and the short-fiber wood pulp pulping department:

[0039] The long fiber wood pulp pulping section includes the first pulper, the first fiber refiner, the large taper refiner and the first pulp storage tank arranged in sequence;

[0040] The short fiber wood pulp pulping section includes a second pulper, a second fiber refiner, a 450 disc refiner and a second pulp storage tank arranged in sequence.

[0041] The drying section includes a front drying section and a rear drying section, and a surface sizing section is arranged between the...

Embodiment 2

[0044] Such as figure 1 As shown, the tipping base paper papermaking process includes the following processes: pulping, pulping, screening and purification, online forming, pressing, drying, calendering, curling, rewinding, trimming, inspection, finished product packaging, and storage.

[0045] In the pulping process, the long-fiber wood pulp passes through the first pulper, the first fiber refiner, and the large-taper refiner in sequence, and enters the first pulp storage tank. Fillers are added to the long fiber wood pulp when it passes through the first pulper. The beating degree of long fiber wood pulp is controlled at 60°SR, the beating concentration is controlled at 3.2%, and the wet weight of beating is controlled at 8.5g;

[0046] In the pulping process, the short-fiber wood pulp passes through the second pulper, the second fiber refiner, and the 450 disc refiner in sequence, and enters the second pulp storage tank. Fillers are added when the short fiber wood pulp pa...

Embodiment 3

[0065] Such as figure 1 As shown, the tipping base paper papermaking process includes the following processes: pulping, pulping, screening and purification, online forming, pressing, drying, calendering, curling, rewinding, trimming, inspection, finished product packaging, and storage.

[0066] In the pulping process, the long-fiber wood pulp passes through the first pulper, the first fiber refiner, and the large-taper refiner in sequence, and enters the first pulp storage tank. Fillers are added to the long fiber wood pulp when it passes through the first pulper. The beating degree of long-fiber wood pulp is controlled at 65°SR, the beating concentration is controlled at 3.3%, and the wet weight of beating is controlled at 9g;

[0067] In the pulping process, the short-fiber wood pulp passes through the second pulper, the second fiber refiner, and the 450 disc refiner in sequence, and enters the second pulp storage tank. Fillers are added when the short fiber wood pulp pass...

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Abstract

The invention provides a tipping base paper production line. The production line comprises a pulping part, a pulp preparing tank, an internal flow screen, an upper sieve part, a pressing part and a drying part, wherein the pulping part comprises a pulping part of long fiber wood pulps and a pulping part of short fiber wood pulps. A papermaking technology of tipping base paper includes the following processes of pulping, pulp preparing, screening and purifying, molding, pressing and drying. As the above technical scheme is adopted, the tipping base paper production line and the papermaking technology of the tipping base paper are improved, filler is firmly bonded with paper fibers, the phenomena of lint picking and powder picking are improved, the usage of high-quality long fibers is reduced by 10% or above, the cost is saved, and the product quality is improved.

Description

technical field [0001] The invention relates to a tipping base paper production line and a tipping base paper papermaking process. Background technique [0002] In the papermaking process of tipping base paper, various fillers need to be added in the pulping process. Papermaking filler refers to some solid particles that are basically insoluble in water and added to the pulp. The purpose of adding is to improve the opacity, brightness, smoothness, printing suitability (such as improving absorption, ink absorption), softness, uniformity and dimensional stability of paper. It can also make the paper feel good, reduce its hygroscopicity, and reduce the amount of fiber. The pulp added with filler is easy to dehydrate and dry, which can reduce energy consumption and papermaking cost. The disadvantage is that the paper with filler is easy to lose powder and hair. [0003] In the traditional tipping base papermaking process, in terms of fiber ratio, the ideal way is to increase...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21F11/00D21H15/10D21H17/67D21H21/34D21H21/16D21H21/10
CPCD21F11/00D21H15/10D21H17/675D21H21/10D21H21/16D21H21/34
Inventor 赵国奎郭刚柴学政赵鲁强林江涛
Owner 潍坊华港包装材料有限公司
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