Rotary boiler

A rotary boiler comprises a shell, a rotating cone and an air distribution assembly, the rotating cone is rotatably arranged in the shell and defines a combustion cavity, the central axis of the rotating cone inclines upwards in the direction away from the horizontal plane, the rotating cone is provided with an air inlet cavity, and the air distribution assembly comprises a plurality of exhaust fins arranged in the circumferential direction of the rotating cone. The exhaust fin is provided with a plurality of exhaust cavities arranged in the length direction of the exhaust fin, the exhaust cavities are provided with air inlet holes and air outlet holes, the air inlet cavities communicate with the exhaust cavities through the air inlet holes, the combustion cavity communicates with the exhaust cavities through the air outlet holes, anti-blocking blocks are arranged in the exhaust cavities, and the rotating cone rotates to drive the anti-blocking blocks to move in the exhaust cavities. The anti-blocking block m