Roller mill, particularly air-swept roller mill, and method for grinding materials with magnetizable, particularly iron-containing constituents, E. G. slag
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United States of America Patent
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Apr 1, 2008
Grant Date -
Mar 9, 2006
app pub date -
Nov 2, 2005
filing date -
Aug 23, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a roller mill, particularly an air-swept roller mill provided with a device for separating magnetizable constituents, particularly iron particles from the milling area. The invention also relates to a method for grinding materials with magnetizable, particularly iron-containing constituents, e.g. slag, in an air-swept roller mill where, for avoiding concentrations of magnetizable particles, particularly iron particles, on the grinding pan, said particles are electromagnetically separated and removed from the roller mill.
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