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Paper pulp fabrication process and system

A manufacturing process and pulp technology, applied in the field of pulp manufacturing process and system, can solve the problems of polluting the environment, unsatisfactory treatment effect, and high equipment investment.

Inactive Publication Date: 2011-07-06
李国林 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] The existing pulp manufacturing process and system will produce a large amount of industrial sewage in the process of producing pulp and paper products. If the industrial sewage is discharged directly, it will seriously pollute the environment. If the existing pulp manufacturing sewage treatment process is used for treatment , due to the large amount of sewage treatment, the equipment investment will be very high, which is often unbearable for small and medium-sized pulp and paper companies, and the treatment effect is not ideal, and it is difficult to meet the national sewage treatment discharge standards

Method used

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  • Paper pulp fabrication process and system

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Embodiment Construction

[0055] see figure 1 , the pulp manufacturing system technology of the present invention, it comprises the steps:

[0056] 1) The raw materials used to make pulp are cut and dedusted according to the prior art; the raw materials for making pulp are wheat straw or reed or asparagus or bamboo or wood, and when necessary, the cut wheat straw or reed or Treatment of asparagus, bamboo or wood soaked or soaked in water for 3-10 days to degrade the tissue of wheat straw or reed or asparagus, bamboo or wood, so as to separate the fibers;

[0057] For the raw materials that will be used for pulping and cooking in papermaking, it is best if the model and power of the machine can be increased or the number of machines can be increased under the conditions of the original grass cutting machine and the limited space. If the conditions are restricted, you can choose a small one. Multiple mobile mowers can supplement grass cutting, increase the amount of grass cutting and set up a special tr...

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Abstract

The invention relates to a process and a system for producing pulp. The process comprises the following steps that: raw materials after cutting and dust removal are processed by stewing with alkaliferous water according to the prior art; the raw materials are stewed into yellow pulp, wherein, wastewater generated in the steam production process, after the precipitation treatment, is used for removing dust generated in the gas production process by a gas supply system, and for recycling of atomized water sprayed in the waste gas purification treatment link. In the process of producing the pulpand paper, sewage produced by a plurality of procedures is treated and then directly returned to be used in other procedures, thereby greatly reducing sewage amount needed to be treated, reducing sewage treatment cost; waste produced in the process of sewage treatment is also utilized comprehensively, and the treatment process completely meets the requirement of environmental protection. The special device adopted in the invention can treat the sewage with high efficiency, and make the sewage meet the requirement of environmental protection. The invention aims to provide a process and a system for producing the pulp which has small investment, environmental protection and energy conservation, and can make the sewage discharge reach the mark or realize zero discharge.

Description

technical field [0001] The invention relates to a pulp manufacturing process and system. Background technique [0002] The existing pulp manufacturing process and system will produce a large amount of industrial sewage in the process of producing pulp and paper products. If the industrial sewage is discharged directly, it will seriously pollute the environment. If the existing pulp manufacturing sewage treatment process is used for treatment , due to the large amount of sewage treatment, the equipment investment will be very high, which is often unbearable for small and medium-sized pulp and paper companies, and the treatment effect is not ideal, and it is difficult to meet the national sewage treatment discharge standards. Contents of the invention [0003] The purpose of the present invention is to provide a paper pulp manufacturing process and system with low investment, environmental protection and energy saving, which can make sewage discharge meet the standard or zer...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D21C3/00D21C3/02D21C9/02D21D5/18D21C5/00D21C11/04
Inventor 李国林
Owner 李国林
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