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Oil peculiar smell gas processing technology

A technology for gas treatment and odor, which is applied to the separation of dispersed particles, chemical instruments and methods, and separation methods, etc. It can solve problems such as high requirements for equipment maintenance, secondary pollution, and limited range of odor concentration requirements, and achieve removal efficiency. High, low maintenance requirements, easy loading and unloading effect

Inactive Publication Date: 2013-09-25
SHANGHAI YEMA ENVIRONMENTAL PROTECTION EQUIP ENG
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Problems solved by technology

[0006] Due to the low efficiency of the treatment of oily odor gas in steel mills in the existing technology, secondary pollution is likely to occur in the process of removing odor gas, and the range of concentration requirements for odor gas is relatively limited, and the requirements for equipment maintenance are high. The invention proposes a new treatment process for oily odor gas in steel mills, which can effectively solve the above-mentioned problems in the prior art

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  • Oil peculiar smell gas processing technology

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Embodiment Construction

[0021] The present invention will be described in detail below in combination with specific embodiments.

[0022] Steel mills will produce a large amount of H in the process of metallurgical processing auxiliary materials and waste oil purification 2 S and hydrocarbons, as well as oxygen, nitrogen, sulfur and other two main components with different properties. Aiming at the shortcomings of the prior art, the applicant has improved the process, and adopted two-stage processing unit to process oily odor gas, combined with figure 1 ,Specific steps are as follows:

[0023] Step 1: Detect the main components and concentrations contained in the odor source of the oily odor gas in the steel plant. Generally, the main component is H 2 S and hydrocarbons, as well as oxygen, nitrogen, sulfur, etc., prepare plant liquids with corresponding concentrations according to the test results, and circulate and spray the plant liquids in the plant liquid washing tower through circulating water...

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Abstract

The invention discloses an oil peculiar smell gas processing technology. The technology comprises the following steps: 1, detecting the main components and the concentration of the peculiar smell source of a steel factory oil peculiar smell gas; 2, preparing a plant liquid having a corresponding concentration according to the result obtained in step 1, and carrying out circulating spraying of the plant liquid in a plant liquid washing tower through a circulating water pump; 3, injecting the steel factory oil peculiar smell gas to a filter, and filtering out solid impurities and partial oil; 4, allowing the filtered gas to enter the plant liquid washing tower for washing to remove smelly components comprising H2S and the like; 5, introducing the gas obtained in step 3 to an active carbon adsorbing tower through a centrifuge fan; and 6, detecting the gas obtained after the adsorption through the active carbon adsorbing tower, discharging the gas through an exhaust cylinder if the detection result is qualified, and allowing the gas to enter step 2 for afresh circulating treatment until the detection result is qualified if the detection result is unqualified.

Description

technical field [0001] The invention relates to a purification treatment process for oily smell in steel mills with volatile organic compounds. Background technique [0002] In the process of metallurgical processing auxiliary materials and waste oil purification treatment in steel mills, a large amount of H2S and hydrocarbons, as well as two main components with different properties such as oxygen, nitrogen and sulfur, will be produced. [0003] The threshold of these exhaust gases is low, and the odor intensity is strong and unpleasant. These exhaust gases not only have a serious impact on the ecological environment, but also have great harm to human health. They will cause obstacles and lesions in the central nervous system, and cause chronic and acute diseases. [0004] Traditional methods use combustion, biological and oxidation methods to treat these exhaust gases. Among them, the combustion method has the disadvantages of fuel consumption, high cost, and secondary po...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/74B01D53/78
Inventor 张倚马
Owner SHANGHAI YEMA ENVIRONMENTAL PROTECTION EQUIP ENG