... , 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, ... return back to the top, the wind direction is circular, and flow under negative pressure.technicalModel8021Power50kwFeeding ...