Solid-liquid separation device

The utility model relates to a solid-liquid separation device which comprises a rotating mechanism; the collecting tank is arranged on the rotating mechanism, and a collecting opening and a discharging opening are formed in the collecting tank; one end of the fixing rod is arranged on the rotating mechanism, and the other end of the fixing rod extends in the direction away from the rotating mechanism; and the solid-liquid separation mechanism is arranged at the other end of the fixing rod, and the solid-liquid separation mechanism is arranged above the collecting tank. The cleaning and separating box and the heating and stirring pusher are combined for use, so that the device has the functions of heating, stirring, centrifuging and separating a solid-liquid mixture at the same time; the bottom of the cleaning and separating box is in an inverted cone shape, a solid phase can be deposited on an inclined face, a liquid phase is located on the upper layer, the liquid phase and the solid phase sequentially flow d