Coking slop oil tank waste gas deodorization purifying device based on chemical absorption method

A chemical absorption and purification device technology, applied in chemical instruments and methods, separation methods, dispersed particle separation, etc., can solve problems such as unsuitable treatment of hydrocarbon-containing sulfur-containing waste gas, unbalanced odor gas concentration, and potential safety hazards, etc. The effect of large operation flexibility, strong selectivity and convenient operation

Inactive Publication Date: 2015-06-03
上海景凯环保科技有限公司
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Problems solved by technology

3. Adsorption method: It is mainly used for the separation and treatment of medium and low pollutants. The principle is that the waste gas is in contact with the adsorbent, and the pollutants (absorbent) are adsorbed on the solid surface and removed (adsorption method is not suitable for tre

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  • Coking slop oil tank waste gas deodorization purifying device based on chemical absorption method

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[0015] like figure 1 Shown, the present invention is realized in this way, and it comprises sewage pool 1, coking waste oil tank 2, buffer tank 3, first ejector 4, absorbent circulation pipe 5, air guide pipe 6, first circulation tank 7, pump Ⅰ8, spray head 9, first absorption tower 10, second absorption tower 11, second injector 12, second circulation tank 13, pump II 14 and exhaust pipe 15, the structural features are that the first absorption tower 10 and the second Absorption towers 11 have the same structure, and are equipped with spray heads 9 inside. The waste gas from the sewage tank 1 and the coking waste oil tank 2 is passed into the buffer tank 3 connected thereto. The buffer tank 3 is connected to the first injector 4, and The bottom of 4 is connected with the bottom of the first circulation tank 7 top and the first absorption tower 10 respectively, and the top of the first circulation tank 7 is connected on the side wall of the first absorption tower 10 below the ...

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Abstract

The invention discloses a coking slop oil tank waste gas deodorization purifying device based on a chemical absorption method. The coking slop oil tank waste gas deodorization purifying device comprises a sewage tank, a coking slop oil tank, a buffer tank, a first ejector, an absorption agent circulating pipe, an air guide pipe, a first circulating tank, a pump I, a spraying head, a first absorption tower, a second absorption tower, a second ejector, a second circulating tank, a pump II and an exhaust cylinder, wherein waste gas of the coking slop oil tank and the sewage tank are concentrated to be guided out, and a great amount of oil gas and vapor, which are likely to condensate, are separated by virtue of the buffer tank, and then enter the absorption tower. Secondary cyclone plate towers are connected in series for the circular absorption, the secondary parallel-connection ejectors are installed in front of and behind the absorption towers to be used as power for guiding the gas, then an absorption agent and the waste gas are adequately mixed and absorbed again in the ejectors, and after the gas-liquid separation in the absorption agent circulating tank, the mixed liquid enters the exhaust cylinder to be discharged. The coking slop oil tank waste gas deodorization purifying device is a special petrochemical waste gas purifying device based on the chemical absorption method and has advantages of high reaction speed, high selectivity, good absorption effect, simple process, convenience in operation, safety, reliability and the like.

Description

technical field [0001] The invention relates to a deodorization and purification device for waste gas of a coking waste oil tank based on a chemical absorption method. Background technique [0002] Both petrochemical production and storage and transportation require a large number of supporting facilities. For example, the storage and transportation system includes coking waste oil tanks, sulfur-containing sewage pools, dehydration oily sewage pools in tank farms, coking sewage oil pools, waste oil tanks, and sewage pools. The hydrogen sulfide carried in the waste oil and the sulfur-containing waste gas remaining in the tank escape from the tank roof when they are stored and in and out of the oil. According to statistics, the main components of waste gas such as coking waste oil tanks are: total hydrocarbons 19.11%, hydrogen sulfide 0.2- 1.5%, hydrogen 12.43%, nitrogen 53.59%, oxygen 13.16%), the main odor component in the exhaust gas is hydrogen sulfide (200-1500mg / m 3 ), ...

Claims

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Application Information

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IPC IPC(8): B01D53/78B01D53/48
Inventor 陈纪凯
Owner 上海景凯环保科技有限公司
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