To provide wett waste treatment equipment capable of efficiently drying and processing the waste by providing a device, which contacts always closely to the inner surface of a cylinder and removes stuck matters on the inner surface to keep the efficiency on a heat transmitting surface.

In the wett waste treatment equipment 1 provided with the cylinder 7a in which wett waste is heated and agitators (8 and 10) for agitating the wett wastes for drying processing, raking-off devices 9 are provided at prescribed intervals on the surface where the inner wall of the cylinder 7a and the agitator 8, 10 comes into contact with each other. The agitators 8 and 10 consist of wide-width spiral ribbons 8a and the device 9 is rotated in a direction opposite to a rotating direction.