Pneumatic auxiliary type cavity support plate flame stabilizer

The invention discloses a pneumatic auxiliary type cavity support plate flame stabilizer. The pneumatic auxiliary type cavity support plate flame stabilizer comprises a front duct splitter plate, a cavity flame stabilizer body connected with the rear end of the front duct splitter plate, a rear duct splitter plate arranged at the rear end of the cavity flame stabilizer body and a support plate flame stabilizer body, wherein the front duct splitter plate comprises a first splitter plate body which gradually extends in the direction away from the outer wall of a combustion chamber in the airflowinflow direction; the rear end of the first splitter plate body is connected with a second splitter plate body which extends in the horizontal direction; the support plate flame stabilizer body is fixed to the lower surface of the second splitter plate body; and the second splitter plate body is provided with a plurality of first flow channels used for allowing outer duct gas to flow into a cavity of the cavity flame sta