Rod mill is mounted by the cylinder grinding to steel bar got its name, Rod mill is usually wet overflow ball, can be use as a open circuit grinding level, widely used in artificial stone, mineral processing plant, a chemical plant in the electricity sector-level grinding. Rod mill has dry and wet two forms are available, the user can be selected according to their actual conditions. For processed products such as quartz sand, dolomite, monazite, grinding machines can be equipped with magnetic separator after removal of iron.