Centrifugal grinding mills

Details Centrifugal grinding mills Centrifugal grinding mills

1985-07-24

1988-03-29

Rosenbaum, Mark

Solid material comminution or disintegration

Processes

With application of fluid or lubricant material

241 57, 241 69, 241175, 241179, B02C 1714

Patent

active

047338253

ABSTRACT:
A centrifugal grinding mill including a grinding chamber of substantially circular cross-section with respect to an axis of symmetry and constrained to have nutating motion about a relatively stationary axis, a support for supporting the grinding chamber, a feed passage in communication with the grinding chamber, a driving assembly for driving the grinding chamber about the relatively stationary axis, and a constraint assembly for determining the form of nutating motion of the axis symmetry of the grinding chamber. The nutating motion of the grinding chamber during operation of the grinding mill causes a grinding charge carried in the grinding chamber to dilate and perform a tumbling motion within the grinding chamber. Further, the grinding chamber has a surface configured to exert pressure on the grinding charge so as to limit its dilation and provide effective containment of the grinding charge.

REFERENCES:
patent: 2500908 (1950-03-01), Symons
patent: 2778577 (1957-01-01), Linke
patent: 3042322 (1962-07-01), Symons
patent: 3084876 (1963-04-01), Podmore
patent: 3552660 (1971-01-01), Hamaker
patent: 4047672 (1977-09-01), Volkov et al.
patent: 4095753 (1978-06-01), Ohno

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