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.