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Handling method for lowering dioxins and dust content in industrial flue gas by control wet method

A technology for industrial flue gas and treatment methods, applied in gas treatment, chemical instruments and methods, separation methods, etc., can solve problems such as reducing dioxin content, endangering human safety, and consuming adsorption material efficiency, so as to reduce dioxin The effect of British content

Inactive Publication Date: 2019-12-20
无锡雷顿电器有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In addition, dioxins are a class of highly toxic substances, whose toxicity is equivalent to 130 times that of the well-known highly toxic substance cyanide, and 900 times that of arsenic. Dioxins discharged into the environment will be harmful for a long time because of their long half-life. human security
[0004] The dioxins produced by industrial combustion at the present stage cannot be treated. At most, the dioxins are partially adsorbed by adsorbents to reduce the content of dioxins. This method consumes a large amount of adsorbents and is extremely inefficient.

Method used

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Embodiment Construction

[0014] The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are only examples and are not intended to limit the invention. Furthermore, the present disclosure may repeat reference numerals and / or reference letters in different instances, such repetition is for simplicity and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. In addition, various specific process and material examples are provided herein, but one of ordinary skill in the art may recognize the use of other processes and / or the use of other materials.

[0015] Dioxin is a colorless, odorless, fat-soluble substance that contains dioxin and a large amount of smoke and high-temperature flue gas generated during the processing ...

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Abstract

The invention discloses a handling method for lowering dioxins and the dust content in industrial flue gas by a control wet method. By automatically controlling heating of the flue gas, the flue gas reaches and is kept in the temperature interval of 750 DEG C to 850 DEG C, the dioxins in the flue gas can be further eliminated by the temperature interval, meanwhile, through quenching of a quench tower, the cooling water spray volume is automatically controlled so as to lower the temperature of the flue gas to 200 DEG C to 250 DEG C within 2.5 s, the temperature interval can inhibit production of the dioxins, and finally, the content of the dioxins in the flue gas is greatly lowered.

Description

technical field [0001] The invention relates to the technical field of industrial waste gas treatment, in particular to a treatment method for controlling the wet method to reduce the concentration of dioxin and dust in industrial flue gas. Background technique [0002] Dioxin is a colorless, odorless, fat-soluble substance that contains dioxin and a large amount of smoke and high-temperature flue gas generated during the processing of waste materials, urban garbage, and industrial production processes such as steel, papermaking, wood processing, and chemical processing. Seriously endanger the environment. [0003] In addition, dioxins are a class of highly toxic substances, whose toxicity is equivalent to 130 times that of the well-known highly toxic substance cyanide, and 900 times that of arsenic. Dioxins discharged into the environment will be harmful for a long time because of their long half-life. human safety. [0004] The dioxins produced by industrial combustion a...

Claims

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Application Information

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IPC IPC(8): B01D53/00B01D50/00B01D46/00B01D53/02
CPCB01D53/005B01D46/0036B01D53/02B01D2257/206B01D2258/0283B01D50/60
Inventor 蔡新田
Owner 无锡雷顿电器有限公司
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