Chemical waste gas spraying and washing treatment tower

Abstract

The invention discloses a chemical waste gas spraying and washing treatment tower, and belongs to the technical field of waste gas treatment. The tower comprises a first treatment tower, a second treatment tower, a third treatment tower and a PLC, and third electromagnetic valves are arranged at the lower parts of the right ends of the first treatment tower, the second treatment tower and the third treatment tower; particle filtering layers are arranged at the upper parts of the right ends of the first treatment tower, the second treatment tower and the third treatment tower; an air pump is arranged on the left side of the first treatment tower; the air pump is electrically connected to the PLC; an extraction pipe is fixed at the extraction opening of the air pump; a first exhaust pipe isfixed at the exhaust port of the air pump; the other end of the first exhaust pipe extends into the first treatment tower, a pH sensor is fixed to the inner wall of the first exhaust pipe, the pH sensor is electrically connected to the PLC, a first electromagnetic valve is installed on the first exhaust pipe, corresponding treatment can be conducted conveniently according to the pH value of wastegas, and the treatment effect is good.

Description

technical field [0001] The invention relates to the technical field of waste gas treatment, and more specifically relates to a chemical waste gas spray washing treatment tower. Background technique [0002] Exhaust gas refers to the poisonous and harmful gas emitted by human beings in the process of production and life. Especially in chemical plants, the exhaust gas emitted has a strong smell, which seriously pollutes the environment and affects human health. Chemical waste gas refers to the poisonous and harmful gas discharged from chemical plants in chemical production. Chemical waste gas often contains many types of pollutants, complex physical and chemical properties, and different toxicity, which seriously pollutes the environment and affects human health. For example, common chemical waste gas: some high-calorie nitrogen oxides and sulfur oxides, including sulfur dioxide , sulfur trioxide, nitrogen dioxide, nitrogen trioxide and some dust, if these exhaust gases are ...

AI Technical Summary

Problems solved by technology

Chemical waste gas often contains many types of pollutants, complex physical and chemical properties, and different toxicity, which seriously pollutes the environment and affects human health. For example, common chemical waste gas: some high-calorie nitrogen oxides and sulfur oxides, including sulfur dioxide , sulfur trioxide, nitrogen dioxide, nitrogen trioxide and some dust, if these exhaust gases are discharged into the atmosphere without treatment, they will have a huge impact on human health, and will cause acid rain and affect the cultivation of crops

[0003] Waste gas is divided into acid waste gas, alkaline waste gas or mixed acid and alkali waste gas according to its pH. At present, our usual waste gas treatment technology is to pass both acidic solution and alkaline waste liquid into the waste gas to achieve acid-base neutralization. And, this will undoubtedly greatly increase the amount of acidic solution and alkaline solution. The existing technology cannot carry out corresponding treatment according to the pH value of the exhaust gas, and cannot prescribe the right medicine, resulting in poor treatment effect

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