Flotation Machine is used to separate non-ferrous metal, ferrous metal, noble metal, non-metallic mine, chemical material. It can be used in roughing, scavenging, selection or reverse flotation. In the flotation process, after being mixed with drug, some qualified mineral attaches on bubble, floats on the surface of slurry and is scraped out, and other mineral still stays in the slurry, so the separating purpose is finished.