... processing industry and is widely used to grind calcite, electrolytic stone, talc, kaolin, manganese ore, rock phosphate, gypsum, zircon, silicon metal ... be grinded by rolling and shearing when passing through the ring groove on the mill disc. The grinded material is blown ... .Layout and ProcessThe double drives of grind roll and grind ring, the adjustable speed on grind roll, and the two forces ...