... iron oxide skin, toner , toner , slag , gypsum, tailings , sludge , kaolin , activated carbon, coke powder and other end , Powder , waste, waste residues, are ... etc., without adding any binder pressed into the case of cylindrical cakes of high-density block (weight 2-8 kg), the ... cake pieces can be directly cast furnace use.2. main role and characteristics of dry powder ball press machine; The machine ...