Saturated-reactor-process ammonia waste gas treatment device and process thereof

Abstract

The invention relates to a saturated-reactor-process ammonia waste gas treatment device and a treatment process. The saturated-reactor-process ammonia waste gas treatment device comprises an ammonium sulfate saturator (1), a cooling device (2), a crystallization pump (3) and a crystallization tank (4), wherein the cooling device (2) is arranged on an ammonia waste gas inlet pipeline of the ammonium sulfate saturator (1); the ammonium sulfate saturator (1) takes carbon steel as a substrate material and vinyl fiber glass as an anti-corrosion lining; at a flashing part, the surface of the vinyl fiber glass is treated by using emery; no mother liquor allocation chamber is formed in the ammonium sulfate saturator (1); a pipeline allocator is arranged outside the ammonium sulfate saturator (1); a PO lining is arranged inside the pipeline allocator. When being adopted to treat an ammonia-contaminated waste gas and wastewater discharged in medicine production, the treatment process has the characteristics of reasonable process, advance technique, small investment and rapid effect taking, and the up-to-standard release of waste gases and wastewater is thoroughly realized.

Description

technical field [0001] The invention relates to a saturator method ammonia waste gas treatment device and a process thereof, belonging to the technical field of industrial waste gas treatment. Background technique [0002] Medium-sized chemical enterprises engaged in the production of flame retardants, pesticides, and chemical intermediates will generate a large amount of ammonia-containing waste gas during the production process, generally 12000 Nm3 / h~20000 Nm3 / h, and this kind of ammonia-containing waste gas shows The concentration is unstable, if it is discharged without treatment, it will inevitably cause environmental pollution. In order to deal with ammonia-containing waste gas, most of the existing technologies use a sulfuric acid absorption tower to absorb it to prepare ammonium sulfate. However, due to the large ammonia content, the crystallization speed of ammonium sulfate is relatively fast, and it is very easy to agglomerate. Very strong. [0003] Chinese paten...

AI Technical Summary

Problems solved by technology

It can be seen that its anti-corrosion effect is not ideal, not only time-consuming, but also high maintenance costs

If the whole is made of 904L stainless steel plate, although the service life is prolonged, the overall cost will be more than three times higher than now

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