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A Method for Effectively Controlling Odor in Papermaking Process

A technology of peculiar smell and waste paper pulp, which is applied in the field of effective control of peculiar smell in the papermaking process, can solve the problems such as undisclosed removal of peculiar smell, and achieve the effect of high sterilization efficiency, fast sterilization speed and easy degradation

Active Publication Date: 2021-06-25
SHANYING INT HLDG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But the flocculant disclosed in this application is also used in the unified treatment of sewage, and does not disclose its effect of removing peculiar smell

Method used

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  • A Method for Effectively Controlling Odor in Papermaking Process
  • A Method for Effectively Controlling Odor in Papermaking Process
  • A Method for Effectively Controlling Odor in Papermaking Process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-3

[0035] Embodiment 1-3 uses OCC as waste paper raw material

Embodiment 1

[0036] Embodiment 1 A kind of method of effectively controlling the peculiar smell of papermaking process

[0037] Specifically include the following steps:

[0038] (1) adding waste paper raw materials into a pulper for disintegration, screening out slag, and making slurry A;

[0039] (2) The slurry A obtained in the step (1) is subjected to multi-disc treatment, and the treated clear water enters the clear water tank, and chemicals are added in the clear water tank; the remaining slurry A is subjected to disc grinding, pulp tower and mixing Slurry B is obtained by slurry treatment, and chemicals are added before entering the slurry tower. The obtained slurry B enters the white water tank outside the machine, and chemicals are added to the white water tank outside the machine, and slurry C is obtained after being diluted in the white water tank outside the machine. ;

[0040](3) Slurry C enters the headbox and is sprayed onto the forming wire through the headbox. The trimme...

Embodiment 2

[0044] Embodiment 2 A kind of method of effectively controlling the peculiar smell of papermaking process

[0045] Specifically include the following steps:

[0046] (1) adding waste paper raw materials into a pulper for disintegration, screening out slag, and making slurry A;

[0047] (2) The slurry A obtained in the step (1) is subjected to multi-disc treatment, and the treated clear water enters the clear water tank, and chemicals are added in the clear water tank; the remaining slurry A is subjected to disc grinding, pulp tower and mixing Slurry B is obtained by slurry treatment, and chemicals are added before entering the slurry tower. The obtained slurry B enters the white water tank outside the machine, and chemicals are added to the white water tank outside the machine, and slurry C is obtained after being diluted in the white water tank outside the machine. ;

[0048] (3) Slurry C enters the headbox and is sprayed onto the forming wire through the headbox. The trimm...

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PUM

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Abstract

The invention provides a method for effectively controlling the peculiar smell in the papermaking process and relates to the technical field of papermaking. In order to better control the peculiar smell that can be produced in the papermaking process, the present invention provides a chemical that can effectively control the generation of peculiar smell. The final composition is an organic oxide, which is not affected by the requirements of other oxides and does not react with other organic substances, so it will not affect the application of chemicals in other equipment. This chemical not only has high sterilization efficiency and fast sterilization speed, but also kills microorganisms It is difficult to produce drug resistance, and it is easy to degrade. It has passed FDA certification, has no adverse effects on the environment, and has no ecotoxicity.

Description

technical field [0001] The invention relates to the technical field of papermaking, in particular to a method for effectively controlling the peculiar smell in the papermaking process. Background technique [0002] With the need to protect the forest environment, develop a low-carbon economy, save paper fiber raw materials, reduce investment, save energy, and reduce chemical consumption, the recycling of waste paper has been paid more and more attention by people in the paper industry. As a raw material for pulping and papermaking, partial or partial replacement of virgin pulp can not only turn waste into treasure, save resources, but also reduce waste, which helps to alleviate the problems of plant resource scarcity and energy shortage, and contributes to sustainable development and protection of the ecological environment. play an important role. In recent years, due to the increasing demand for waste paper, low-quality carbonless copy paper has also become the main sourc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D21H17/02D21H17/07D21H17/14D21H17/24D21H17/37D21H17/53D21H17/65D21H17/66D21H21/10D21H21/14D21H21/36D21F11/00
CPCD21F11/00D21H17/02D21H17/07D21H17/14D21H17/24D21H17/37D21H17/53D21H17/65D21H17/66D21H21/10D21H21/14D21H21/36
Inventor 占正奉吴建雄陈学萍宋杰陈剑锋刘媛
Owner SHANYING INT HLDG CO LTD