The cost of a ball mill conversion from overflow to grate discharge is 'fairly' affordable at $65,000 for a 13′ x 15′ mill. This is only for the discharge head, grates and pulp filters (rubber).

compartment type grate ball mill flow and grate type ball mill difference . There are two kinds of ball mill, grate type and overfall type due to different ways of discharging material. Mining Ball Mill Type Overflow Vs Grate Grate type ball mill board what is the role of - Henan ...