Uses: Rotary type grid gate except dirt machine (and said "solid liquid separation device") widely application Yu city sewage processing factory, and tap water factory, and pumping station, and power plant water mouth, continuous automatically intercept and clear water in the of floating real, guarantee Xia road process of normal run; also available for textile, and dyeing, and slaughter, and leather, and paper, and wine, and sugar and food, industry in the of solid liquid separation.