Scr mixer and scr device comprising same

Abstract

The present invention relates to an SCR mixer for mixing exhaust gas, and an SCR device comprising the same and, more specifically, to a mixing device for an exhaust gas post-treatment system of a diesel engine, the mixing device being for removing, by means of a catalyst and a filter, nitrogen oxide and diesel particulate matter contained in the exhaust gas to be discharged from an engine. According to the present invention, since a reducing agent is sprayed at an inner shell heated by exhaust gas, thereby increasing atomization and evaporation of reducing agent droplets, the SCR mixer has an effect of minimizing a phenomenon, occurring in a conventional mixer, in which a reducing agent is precipitated and sticks to the inner surface of an inner shell.

Dependencies are inferred from the claim text.