Vault firing furnace capable of cleaning accumulated ash

The utility model belongs to the technical field of firing furnaces, and particularly relates to a vault firing furnace capable of cleaning accumulated ash, which adopts the following scheme that the vault firing furnace comprises a furnace body and a transmission mechanism arranged on the inner wall of the furnace body, and the transmission mechanism comprises a transmission component and a swinging component; the transmission assembly comprises a rotating disc and a push plate, the rotating disc is rotationally connected to the inner wall of the furnace body, and the push plate is rotationally connected to the surface of the rotating disc; the swing assembly comprises a swing plate and a limiting plate, the swing plate is rotationally connected to the surface of the push plate, and the limiting plate is fixedly connected to the surface of the swing plate. The swing plate swings around the rotating point of the furnace body, and at the moment, the cleaning scraping plate fixed to the swing plate also swings