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How Does Ore Come To The Ball Mill

Aug 17 2014 iron balls like these were and still used by ball mills to crush mined ore a large drum is filled with ore and iron balls and then tumbled to pulverize the ore to powder part of the reduction refining process here in colorado a lot of these are mistaken as cannon balls however most are left over from the mining days.

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    How does ore come to the ball mill the ore moves gradually through the mill then exits through the discharge port the discharge port may be covered by a grate to prevent oversized ore exiting the mill or it may have no grate overflow type ball mill as the balls wear due to abrasion they are replaced with new balls green

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