Preliminary size reduction device for a ball mill or agitator ball mill and ball mill with a preliminary size reduction device
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United States of America Patent
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Nov 12, 2019
Grant Date -
Jul 14, 2016
app pub date -
Feb 29, 2016
filing date -
Oct 14, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A preliminary size reduction device for a ball mill or agitator ball mill and a ball mill with a preliminary size reduction device, wherein the preliminary size reduction device is disposed between a grinding stock inlet of the ball mill or agitator ball mill and a grinding chamber and includes a first size reduction mechanism constituted stationary and a second, rotationally mobile size reduction mechanism, between which a size reduction gap is formed. The first size reduction mechanism constituted stationary is a size reduction ring disposed in the grinding container.
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