Wet/Dry Rod mill are used for primary grinding of crushed ore with a particle size of 50 mm for soft materials, and 2030 mm for harder materials . Attrition Scrubber Attrition Scrubbing is a process where a mineral is scrubbed by the action of one high speed slurry flow impacting on another.
The mill product can either be finished size ready for processing, or an intermediate size ready for final grinding in a rod mill, ball mill or pebble mill. AG/SAG mills can accomplish the same size reduction work as two or three stages of crushing and screening, a rod mill, and some or all of the work of a ball mill.
83 Centrifugal force outward Fc mpamp; 2 Dm 2 (8.1) amp; is the angular velocity, mp is the mass of any particle (media or charge) in the mill and Dm is the diameter of the mill inside the liners. Gravitational force Fg mpg (8.2) The particle will remain against the wall if these two forces are in balance ie.
The mineral is physically separated from the remaining pulp material and is removed for further processing. Frothers Orfom 174; F series frothers Frothers are liquids that produce the froth or foam on which the flotation process depends.
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Ball Mills vs Rod Mills When the mill is rotated without feed or with very fine feed, the rods are in parallel alignment and in contact with one another for their full length. New feed entering at one end of the mill causes the rod charge to spread at that end.
In grinding, the use of steel media in a rod/ball mill circuit clearly diminishes the subsequent froth flotation performance over purely autogenous grinding. The use of recycle water in grinding also clearly diminishes the subsequent froth flotation performance associated with fresh tap water.
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
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Ball and Rod Mill Crushers amp; Ball Mills Appropriate Process Ball mills and rod mills provide an effective means for grinding and blending materials in preparation for mineral liberation, from rock to