Air-swept mill
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United States of America Patent
Stats
-
Jul 2, 1996
Grant Date -
N/A
app pub date -
Apr 21, 1994
filing date -
Jul 14, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An air-swept mill has an annular space with a blade ring between a rotary grinding pan and a casing wall for fluid delivery flow. The annular space and the blade ring form a gas directing or guiding device for rotary flow and circulation flow of the fluid delivery flow. Above the grinding pan, in the vicinity of a classifier, the casing wall is provided with at least one removal device for removing a part of an outer oversize flow, which is formed as a vented concentrated flow substantially directly at the casing wall.
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