Solid material comminution or disintegration – Apparatus – With temperature modification of material
Patent
1989-10-26
1991-07-09
Rosenbaum, Mark
Solid material comminution or disintegration
Apparatus
With temperature modification of material
241137, 241178, 241179, B02C 1708
Patent
active
050297600
ABSTRACT:
A centrifugal mill adapted for the continuous grinding of granulated material into fine powder is disclosed. At least one pair of grinding chambers is provided. The grinding chambers are rotated about their own axes one revolution in the opposite direction to the orbiting direction for each orbit and the orbiting radius is about 1.2 to about 4.0 times the grinding chamber radius. Under these conditions the grinding chambers do not rotate relative to the machine base so that communication with the grinding chamber and any surrounding jacket may be made through flexible hoses or tubes thereby avoiding the need for rotating seals. If desired, the grinding chamber may be subjected to atmospheres of controlled temperature, pressure and composition. As the grinding chamber atmosphere is isolated from the ambient atmosphere, contamination is avoided.
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