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Optimal Rod Mill Feed Size

rod mill feed size,a first approximation for optimum feed size is fo=16,000(13/wi)^.5. coarser (and finer) feeds are possible. 50 mm is approaching the top end. what is the context of the question? are you optimizing an operating plant or designing a new installation? you would operate a rod mill in closed circuit?.rod mill feed size,smaller rod diameter, coarser mill feed size and shorter grinding time will increase the energy utilization. the energy consumption in batch grinding is described by the bond method. using smaller rod diameter and reducing the mill feed size will optimize energy use in coarse grinding..rod mills, how they function,rod mills accept feed up to about 50 mm (2 in.) and produce a product in the size range of 3000 to 270 mm (–4 to –35 mesh). grinding action is by line contact between the rods extending the length of the mill. rods tumble and spin in roughly parallel alignment simulating a series of roll crushers..

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