Technology for producing middle base plate by using waste cotton, waste paper and waste slurry slag

A production process and technology of waste paper pulp, applied in the field of papermaking, can solve the problems of unaffordable processing costs, environmental pollution, waste of resources, etc.

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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] With the rapid growth of the domestic economy, a large amount of waste is formed, such as waste cotton produced in the production of cotton spinning enterprises, waste pulp produced in the production of papermaking enterprises, waste cups produced in daily consumption, etc. The traditional methods of these wastes are It is a landfill, so it is not only difficult for enterprises to bear the treatment cost, but also wastes precious resources and causes new environmental pollution

Method used

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  • Technology for producing middle base plate by using waste cotton, waste paper and waste slurry slag

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Extraction of waste fiber from waste pulp residue: Use a pump to pump waste from the bottom of the sedimentation tank to the storage tank, add 0.15% disinfectant to the tank, and circulate evenly. The concentration of waste slurry reaches 3.9%.

[0020] Removal of waste cotton and waste paper: manually select out the sundries that cannot be used to produce mid-sole boards from the purchased waste paper, such as plastics, flat ribbons, braided belts, iron wires, cans, beverage bottles, and waste CDs. The selected waste cardboard is sent to the workshop for use.

[0021] Disintegration and disintegration of waste paper: transport the selected waste cardboard to a low-consistency hydraulic shredder for disintegration. The pulp concentration after disintegration is 3.5%. Defibrication is carried out on the double-disk mill, and the degree of beating of the cardboard pulp after defibrication is controlled at 22 degrees.

[0022] Mixing and coloring of waste: mix waste cott...

Embodiment 2

[0029] Extraction of waste fiber from waste pulp and residue: Use a pump to pump waste from the bottom of the sedimentation tank to the storage tank, add 0.15% disinfectant to the tank, and circulate evenly. The concentration of waste slurry reaches 4%.

[0030] Removal of waste cotton and waste paper: manually select out the sundries that cannot be used to produce mid-sole boards from the purchased waste paper, such as plastics, flat ribbons, braided belts, iron wires, cans, beverage bottles, and waste CDs. The selected waste cardboard is sent to the workshop for use.

[0031] Disintegration and disintegration of waste paper: transport the selected waste cardboard to a low-consistency hydraulic shredder for disintegration. The pulp concentration of the disintegrated paperboard is 3.8%, and the disintegrated paperboard pulp is pumped with pulp Go to the double disc mill for deflaking, and the degree of beating of the cardboard pulp after deflaking is controlled at 23 degrees....

Embodiment 3

[0039] Extraction of waste fiber from waste pulp and residue: Use a pump to pump waste from the bottom of the sedimentation tank to the storage tank, add 0.15% disinfectant to the tank, and circulate evenly. The concentration of waste slurry reaches 4.0%.

[0040] Removal of waste cotton and waste paper: manually select out the sundries that cannot be used to produce mid-sole boards from the purchased waste paper, such as plastics, flat ribbons, braided belts, iron wires, cans, beverage bottles, and waste CDs. The selected waste cardboard is sent to the workshop for use.

[0041] Disintegration and disintegration of waste paper: transport the selected waste cardboard to a low-consistency hydraulic shredder for disintegration. The pulp concentration of the disintegrated paperboard is 3.6%, and the disintegrated paperboard pulp is pumped with pulp Go to the double disc mill for deflaking, and the degree of beating of the cardboard pulp after deflaking is controlled at 22 degrees....

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Abstract

The invention belongs to the technical field of papermaking, and in particular relates to a technology for producing a middle base plate by using waste cotton, waste paper and waste slurry slag. The technology comprises the following steps of pulping the waste cotton, extracting waste fibers from the waste slurry slag, removing impurities from the waste paper, performing crushing and defibering on the waste paper, performing mixing and color matching on waste, feeding slurry onto a net for forming, and performing wet-pressure dewatering through a wet paper board. According to the method, the middle base plate is produced by all types of wastes according to reasonable ratio. By virtue of the wastes in reasonable ratio, full reuse and waste fiber extraction are realized; a qualified middle base plate product is produced, so that the environment influence is reduced, and the economic benefit is achieved.

Description

technical field [0001] The invention belongs to the technical field of papermaking, and in particular relates to a production process for producing mid-sole boards with waste cotton, waste paper and waste pulp slag. Background technique [0002] The midsole is mainly used to produce all kinds of high-end shoes, luggage, etc., suitable for men's and women's leather shoes, sports shoes, casual shoes, rubber shoes, etc. With the rapid growth of the domestic economy, the output of China's shoe industry has also developed rapidly. In 2012, China's The footwear industry produces about 10 billion pairs of shoes, of which 50% are sold domestically and 50% are exported. The sole plate is a necessary raw material for the shoe-making process. Each pair of shoes must use a sole plate of 0.05 square meters. The annual output of 10 billion pairs of shoes requires There are 330 million shoe midsoles, and now 50% of the shoe midsoles rely on imports. Before 2005, 90% of the shoe midsoles us...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21H11/14D21H21/20D21H21/28D21F11/00
Inventor 雷道东冯永忠周安乡陈德云薛超
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