Production method of soluble paper

A production method and technology of concentration, applied in the field of papermaking, can solve the problem of high cost, and achieve the effects of reducing waste, improving hand feeling, and improving water solubility

Inactive Publication Date: 2020-12-01
上海东冠纸业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The 100% coniferous wood pulp used in this patent has a high cost. How to use hardwood pulp as raw material to make soluble paper to reduce production costs has become a technical problem to be solved urgently

Method used

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  • Production method of soluble paper

Examples

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Effect test

Embodiment 1

[0028] A production method of soluble toilet paper, the method comprises the following process steps:

[0029] (1) Transition production of toilet paper without humidifying agent for 8 hours;

[0030] (2) Put 6 packs of North American softwood pulp (220 kg dry weight per pack) and 6 packs of Brazilian hardwood pulp (250 kg dry weight per pack) into long and short fiber pulpers respectively, add water to a concentration of about 5.3 wt % and then crushed separately, the crushing time is about 12 minutes, and then pumped into the long and short fiber pulp pool respectively;

[0031] (3) North American coniferous wood pulp is added to the pulp tank before the long fiber pulp to adjust the concentration to about 4.6wt% and passes through the refiner. By controlling the energy consumption of refining to 85kwh / t, the fiber is cut and divided into filaments and then enters the long fiber pulp back pulp pool;

[0032] (4) Brazilian hardwood pulp is added with water from the pulp tan...

Embodiment 2

[0038] A production method of soluble toilet paper, the method comprises the following process steps:

[0039] (1) Transition production of toilet paper varieties without humidifying agent for 10 hours;

[0040] (2) Put 6 packs of North American softwood pulp (220 kg dry weight per pack) and 6 packs of Brazilian hardwood pulp (250 kg dry weight per pack) into long and short fiber pulpers respectively, add water to a concentration of about 6.0 wt % and then crushed separately, the crushing time is about 10 minutes, and then pumped into the long and short fiber pulp pool respectively;

[0041] (3) North American coniferous wood pulp is added water from the pulp tank before the long fiber tap to adjust the concentration to about 4.9wt% and passes through the refiner. By controlling the energy consumption of refining to 90kwh / t, the fiber is cut and divided into filaments and then enters the long fiber tap back pulp pool;

[0042] (4) Brazilian hardwood pulp is added water from ...

Embodiment 3

[0048] A production method of soluble toilet paper, the method comprises the following process steps:

[0049] (1) Transition production of non-embossed toilet paper without humidifying agent for 9 hours;

[0050] (2) Put 6 packs of North American softwood pulp (220 kg dry weight per pack) and 6 packs of Brazilian hardwood pulp (250 kg dry weight per pack) into long and short fiber pulpers respectively, and add water to a concentration of about 6.5 wt. % and then crushed separately, the crushing time is about 10 minutes, and then pumped into the long and short fiber pulp pool respectively;

[0051] (3) North American coniferous wood pulp is added to the pulp tank before the long fiber pulp to adjust the concentration to about 4.1wt% and passes through the refiner. By controlling the energy consumption of refining to 90kwh / t, the fiber is cut and divided into filaments and then enters the long fiber pulp back pulp pool;

[0052] (4) Brazilian hardwood pulp is added with water...

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Abstract

The invention relates to a production method of soluble paper. The production method comprises the following steps: respectively putting softwood pulp and hardwood pulp into a long-fiber pulper and ashort-fiber pulper, and adding water for pulping; the softwood pulp is subjected to fiber cutting and fibrillation through a pulping machine and then enters a long fiber beating pulp pool, and the hardwood pulp is subjected to fiber fluffing through a fluffer and then enters a short fiber beating pulp pool; pumping 25-35wt% of softwood pulp and 75-65wt% of hardwood pulp into a mixed pulp pool, adding water to adjust the concentration, slightly treating the fibers by the pulping machine, and then feeding the fibers into a pulping pool; adding 0.3-0.6 kg / t of softener into the pulp, concentrating and diluting the pulp to enter a paper machine to be formed, squeezed and dried so that the soluble paper is prepared. Compared with the prior art, the production method has the advantages that thehand feeling is improved, the water solubility of the paper is greatly improved, and the requirement of quick dissolution in two seconds can be met.

Description

technical field [0001] The invention relates to the field of papermaking, in particular to a production method for soluble papermaking. Background technique [0002] For the majority of consumers, throwing toilet paper into the toilet is a very clean and convenient habit, but ordinary toilet paper on the market not only feels rough, but also often clogs the toilet or sewer after being thrown into the toilet, which makes people deal with it. very troublesome. If it is thrown into the wastebasket, it is easier to breed bacteria in a humid and narrow space like the bathroom, which will greatly endanger people's health. How to research and develop toilet paper with good water-soluble effect is an existing technical problem to be solved urgently. [0003] Chinese patent CN101058956A discloses a manufacturing method of highly air-permeable adsorption backing paper, using natural wood pulp as raw material, including steps such as pulping, desanding, flaking, papermaking, etc., wh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21H27/00D21H11/00D21D1/20D21H21/14
CPCD21H27/005D21H11/00D21D1/20D21H21/14
Inventor 孔佳锦莫建新俞伟军黄海丽
Owner 上海东冠纸业有限公司
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