... mainly used for anhydrous materials of non-ferrous and ferrous mineral powder briquette /ball making system before the smelting furnace, ... such as coal, coal ash, coal mud, coke powder, coking coal, iron ore concentrates, chromate ore ... , Lead Zinc Ore, steel slag, aluminum ash, Si-Mn mineral powder, bauxite refractory, nonferrous metal power, refractory matter, ceramic ...