... alunite, graphite, fluorite mining machinery ultrafine grinding machine mining machine used in calcite, diatomite, barite, gypsum, alunite, graphite, fluorite, ... <6 non-explosive brittle material, ultra-fine grinding is widely used in calcite, diatomite, barite, gypsum, alunite, graphite, fluorite ... finished product, and the air return back to the top, the wind direction is circular, and flow under ...