Algae centrifugal machine

The invention provides an algae centrifuge. The algae centrifuge comprises a rack; the rotary drum is vertically and rotatably arranged on the rack, and a containing cavity with an opening in the top end is formed in the rotary drum; the driving device is arranged on the rack and used for driving the rotary drum to rotate; the water receiving device is fixedly arranged at the top of the rack and is communicated with the opening of the accommodating chamber; the upper end of the liquid conveying pipe is vertically and fixedly arranged on the water receiving device, and the lower end of the liquid conveying pipe is inserted into the containing cavity and extends towards the inner bottom face of the containing cavity. According to the algae centrifugal machine, the liquid conveying pipe and the water receiving device are fixedly connected, the liquid conveying pipe and the rotary drum are in clearance fit, algae mixed liquid can be injected into the containing cavity from the top end of the liquid conveying pipe