Sludge treatment device

The utility model discloses a sludge treatment device. The utility model belongs to the field of water conservancy environmental protection engineering, the utility model aims to reduce the content ofsludge in discharged waste liquid. According to the technical scheme, the device comprises a box body, wherein an extrusion cylinder is fixedly arranged in the box body, a drainage hole is formed inthe extrusion cylinder, a floating block is placed at the bottom end of an inner cavity of the box body, a guide mechanism for guiding the floating block to move in the vertical direction is arrangedon the floating block, a drainage pipe penetrating through the box body is fixedly arranged on the floating block, and the part, located in the box body, of the drainage pipe is a hose. A balance faceis arranged in the section of the floating block in the horizontal direction, when liquid in the box body rises to the balance face, the floating block floats in the liquid, an end opening, located in the box body, of the water