Batch wet grinding of 20 × 30 mesh feeds of quartz and copper ore in a laboratory ball mill gave first order or non first breakage of this size depending on conditions, with acceleration of ...
15/1/2001· However, the well known Bond method for sizing industrial wet ball mills uses a fine grinding factor when grinding to a final product finer than an 80% passing size of 75 μm. The factor shows that longer grinding times and higher specific grinding energy than expected are necessary, even though the Bond method applies for closed circuit operation where the actual size in the mill is
16/2/2009· The grinding experiments were performed in a steel laboratory ball mill of 200 mm internal diameter as described in Table 1, at a low ball load of 20% of the mill volume filled with the ball bed and a low powder load corresponding to a formal interstitial filling of the void spaces of the ball bed of U = 0.5. All the experiments were performed at a pulp density of 40% solid by volume in water.
13/2/2017· Ball Mills can be supplied with either ceramic or rubber linings for wet or dry grinding, for continuous or batch type operation, in sizes from 15 x 21 to 8 x 12. High density ceramic linings of uniform hardness male possible thinner linings and greater and more effective grinding volume.
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