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公开(公告)号：US4715546A
公开(公告)日：1987-12-29
申请号：US17295
申请日：1987-02-11
CPC分类号： B02C17/205
摘要： An apparatus for uniformly feeding grinding balls to a grinding mill. The apparatus includes a ball storage hopper, a regulator and an inclined chute for conveying balls from the hopper to the regulator. The chute includes a panel for controlling the depth of the balls. The regulator includes a discharge drum having a plurality of compartments adapted to receive the balls, an electric motor for rotating the drum, and a means for retaining the balls in the drum. The drum is rotated at a predetermined speed and feeds the balls into a mill at a uniform rate which can be controlled to approximately match the attrition rate of the balls in the mill.
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