... of mine and other material,etc Powder making plantBrief introduction:Ball mill separating plant (also named as: Powder making plant) ... marble, kaolin, gypsum, barite, coal ash, slag, silicon carbide, brown alumina, cement, quartz, feldspar, refractory, etc. Working principle:Raw materials are ... part of Classifier and sent back by Returning Spiral to Ball Mill for being re-ground, this is a closed ...