... , metallic powder (Fe / Si powder), iron scale, iron sludge, precipitator dust, iron concentrate, the final production can be press into ... Machine can be used to suppress the pulverized coal, iron, coal, aluminum, iron, iron oxide, carbon powder, charcoal powder, slag, gypsum, tailings ... machine for loose materials, such as powdered coke, iron oxide skin and dust ash, slime, powder metallurgy, sea ...