Inner wall excess material cleaning structure for rotary kiln

The utility model relates to an inner wall excess material cleaning structure for a rotary kiln, which comprises a furnace tube, a furnace tube rotating component and bearing seats arranged at two ends of the furnace tube, and the rotating component comprises a gear fixedly sleeved on the outer wall of the furnace tube and a driving motor in transmission fit with the gear; a sweeping assembly usedfor sweeping remaining materials on the inner wall is arranged in the furnace pipe. The sweeping assembly comprises a rotary support. The rotating support comprises two supporting rods fixedly arranged at the two ends of the inner wall of the furnace tube. The ends, not connected with the inner wall of the furnace tube, of the two supporting rods are aligned with the axis of the furnace tube. Wherein a rotating shaft is connected between the two supporting rods, the axis of the rotating shaft and the axis of the furnace tube are collinear, the cleaning assembly further comprises at least onescraping plate rotationall