Rotary solid-liquid separator is a kind of can continuously and automatically intercept and remove the fluid in a variety of shapes debris in the water treatment equipment, and can be widely used in urban sewage treatment. Tap water industry, the power plant water inlet, but also can be as textile, food processing, paper, leather and other industry wastewater treatment process of screening equipment, is one of China's most advanced solid-liquid separation equipment at present, to fill the domestic blank.