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Foul gas collecting and treating system for chemical industry sewage

A malodorous gas and treatment system technology, which is applied in the fields of air quality improvement, chemical instruments and methods, and separation of dispersed particles, can solve problems such as high risk of equipment operation, and achieve stable discharge standards, low cost, and high safety.

Inactive Publication Date: 2021-01-26
TANGSHAN ZHONGRUN COAL CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Low-temperature plasma technology uses plasma strong oxidation to treat odorous waste gas, and the risk of equipment operation is relatively high.

Method used

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  • Foul gas collecting and treating system for chemical industry sewage
  • Foul gas collecting and treating system for chemical industry sewage
  • Foul gas collecting and treating system for chemical industry sewage

Examples

Experimental program
Comparison scheme
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Embodiment

[0035] like Figure 1-Figure 3As shown, this embodiment provides a malodorous gas collection and treatment system for chemical sewage, including a malodorous gas collection device 1, an acid washing tower 2, an alkali washing tower 3, a demister 4, a UV photolysis reactor 5, and an activated carbon adsorption device 6. Induced fan 7, chimney 8 and plant gel treatment device 9.

[0036] Malodorous gas collecting device 1 is provided with malodorous gas collecting outlet pipe 14, and malodorous gas collecting outlet pipe 14 is communicated with the input end of pickling tower 2, and the output end of pickling tower 2 is communicated with the input end of alkali washing tower 3, and alkali washing tower The output end of 3 is communicated with the input end of mist eliminator 4, and the output end of mist eliminator 4 is communicated with the input end of UV photolysis reactor 5, and the output end of UV photolysis reactor 5 is connected with the input end of activated carbon ads...

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PUM

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Abstract

The invention relates to a foul gas collecting and treating system for chemical industry sewage, belongs to the technical field of sewage and waste gas treatment. The system comprises a foul gas collecting device, an acid washing tower, an alkaline washing tower, a demister, a UV photolysis reactor, an activated carbon adsorption device, an induced draft fan, a chimney and a plant gel treatment device. The foul gas collecting and treating system has the advantages of high safety, low cost and stable and up-to-standard emission of waste gas, enhances the flowability of gas in a closed space through reasonable gas flow organization, and is safe, stable and reliable in the operation process.

Description

technical field [0001] The invention belongs to the technical field of sewage and waste gas treatment, and in particular relates to a system for collecting and treating malodorous gas from chemical sewage. Background technique [0002] At present, the industrial production of polyoxymethylene generally includes production units such as formaldehyde, paraformaldehyde, dioxane, and polyoxymethylene, and the industrial production of adipic acid generally includes production units such as nitric acid, cyclohexanol, cyclohexanone, and adipic acid. The mixed sewage of POM and adipic acid contains various pollutants and toxic substances such as formaldehyde, methanol, benzene, formaldehyde polymer, cyclohexanol, cyclohexanone, and nitrate. The mixed sewage is alkaline, the appearance is light yellow and turbid, and it has an unpleasant smell. The water quality and quantity vary greatly with time. Generally, the COD of comprehensive wastewater is 1500-2000mg / L, BOD is 800-1000mg / L,...

Claims

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Application Information

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IPC IPC(8): B01D53/78B01D53/84B01D53/86B01D53/44B01D53/52B01D53/54B01D53/58B01D53/74
CPCB01D53/78B01D53/74B01D53/04B01D53/44B01D53/84B01D53/54B01D53/58B01D53/52B01D53/86B01D2255/802Y02A50/20
Inventor 闻晓今勾宝亮赵德玉王勇范运升张波波陈素巧王亚培刘慧段宇贾雷武树生陈冲
Owner TANGSHAN ZHONGRUN COAL CHEM CO LTD
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