Cake paper tray base paper and production process thereof

Through multiple cycles of pulping and composite blade design, the problems of uneven pulping and unstable pulp in the production of cake paper tray base paper have been solved, achieving efficient pulping and adaptability to automated production lines, and improving the stability and quality of the pulp.

CN122406598APending Publication Date: 2026-07-17SHANGHAI QIAOYIYA FOOD CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHANGHAI QIAOYIYA FOOD CO LTD
Filing Date
2026-05-27
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

In the existing cake paper tray base paper production process, insufficient pulping and inconsistent pulp dissociation result in unstable pulp quality. Furthermore, the material tends to settle and accumulate under the equipment, forming a dead material zone, which affects the high temperature and high humidity operation of the automated production line.

Method used

The method employs multiple-cycle reciprocating pulping, combining a preliminary pulping mechanism and a circulating pulping mechanism. The drive component rotates the bushing and stirring shaft, which, along with various blades, performs stirring and shearing. The rotating frame design, incorporating gears and an internal gear ring, enables multiple-cycle pulping, improving pulping uniformity and efficiency.

Benefits of technology

It significantly improves the uniformity of pulping and fiber dissociation, reduces clumps of fiber and undisintegrated raw material residue, ensures the stability and adaptability of the pulp, and meets the needs of high-temperature baking and automated production lines.

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Abstract

本申请属于纸托原纸生产技术领域,公开了一种蛋糕纸托原纸及其生产工艺,蛋糕纸托原纸的浆料包括质量百分比含量分别为15%~30%的原生针叶木浆和70%~85%的原生阔叶木浆,所述针叶木浆打浆浓度为4.5%~6.0%,打浆度为30~40°SR。本申请初步碎浆机构在空心管与罐体之间进行碎浆,通过驱动部件带动轴套旋转,轴套带动固定架和搅拌轴进行旋转,同时控制部件可以带动搅拌轴和十字刀片进行自转,实现快速对木浆进行碎浆和搅拌操作,同时轴套配合齿轮二、齿轮三和内齿圈,实现旋转架与固定架反向对向旋转,刀片一与罐体壁上的刀片二的剪切配合,形成强对冲剪切力,大幅提升粗纤维、难碎解原料的破碎效率,快速降低浆料粒径。
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