Sludge treatment device

The utility model discloses a sludge treatment device which comprises an outer barrel body, an inner barrel body and a sludge treatment device, the screen body is rotatably arranged in the outer cylinder body, an annular space is formed between the screen body and the outer cylinder body, the screen body is obliquely arranged in the mode that the first end is high and the second end is low, the screen body comprises a plurality of segmented screen bodies which are sequentially connected from the first end to the second end, the segmented screen bodies are each of a cylindrical structure, and the annular space is formed between the first end and the second end in the direction from the first end to the second end. The diameters of the plurality of sectional screen bodies are sequentially reduced; the first rotating motor is connected to the second end of the screen body and drives the screen body to rotate; the pushing mechanism is arranged in the screen body; the feeding mechanism is connected to the higher e