The exhaust gas purification system adopts the direct countercurrent injection of circulating water, which integrates dust removal, desulfurization, and deodorization of water curtain, water film, and impact. At the same time, the water vapor in the gas is cooled and recovered.

Obtained the national utility model patent. (Patent name: a wet dust removal tail gas purification tower; patent number: ZL 2013 2 0568667.2)