Catalyst type incinerator

The utility model relates to the technical field of waste gas treatment, in particular to a catalyst type incinerator which is characterized in that a catalyst assembly is arranged in a transition area, a plurality of containing units are detachably arranged on an installation frame through a fixing assembly, catalyst reaction filter elements are arranged in the containing units, and the fixing assembly comprises an installation piece fixed on the installation frame. A threaded hole is formed in the center of the mounting piece, a locking bolt is mounted in the threaded hole, a locking piece is further sleeved on the locking bolt, a pressing part used for being in contact with a containing frame of the containing unit is arranged at the end part of the locking piece, and the pressure of the pressing part on the containing frame of the containing unit is controlled through the locking bolt. The first containing unit, the second containing unit and the third containing unit are detachably installed through the