### How Much Is A Ball Mill Device

Mar 20, 2020 liners of ball mill, rod mill and SAG mill. Discharging Method Comparison. SAG mill The SAG mill adopts a self-return device to realize the discharge of the mill. Ball mill There are many types of ball mills, mainly including overflow ball mills and grate ball mills. Rod mill The rod mill does not use grid plates to discharge ore. There are.

Ball mills tumble iron or steel balls with the ore. The balls are initially 5–10 cm diameter but gradually wear away as grinding of the ore proceeds. The feed to ball mills (dry basis) is typically 75 vol.- ore and 25 steel. The ball mill is operated in closed circuit with a particle-size measurement device and size-control cyclones.

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