The invention provides a
pollution gas treatment device for
polyurethane waterproof
coating production and a treatment method thereof, and relates to the technical field of gas treatment.The
pollution gas treatment device comprises a dry adsorption
spray tower, the dry adsorption
spray tower is provided with a treatment mechanism facilitating multi-stage treatment of gas, and the dry adsorption
spray tower is provided with a gas inlet and a gas outlet. The treatment mechanism comprises a spiral
diffusion plate, an adsorbent ejector, an interception chamber, a
plasma generator and a wet-type adsorption spray
tower, the spiral
diffusion plate and the adsorbent ejector are both located on the inner side wall of the dry-type adsorption spray
tower, and the interception chamber is located at the side end of the dry-type adsorption spray
tower. According to the device, the
plasma generator is arranged, after residual pollutants, such as free
isocyanate, amine intermediates, free radicals and the like, of the dry adsorption spray tower enter the
plasma generator, the plasma can decompose precursors in a short time aiming at pollutants difficult to degrade and the specific easy
polymerization characteristic of
polyurethane waste gas in the process, and therefore the degradation rate of the
waste gas is improved. And the risk of secondary
polymerization after entering the wet tower is blocked.