... graphite, fluorite mining machinery ultrafine grinding machine mining machine used in calcite, diatomite, barite, gypsum, alunite, graphite, fluorite, phosphate ... non-explosive brittle material, ultra-fine grinding is widely used in calcite, diatomite, barite, gypsum, alunite, graphite, fluorite, ... into the gap between the roller and ring grated to get crushed, fans blow it into the grinding room, ...