Comminution in a planetary mill

Details Comminution in a planetary mill Comminution in a planetary mill

1992-07-09

1994-11-15

Watts, Douglas D.

Solid material comminution or disintegration

Processes

With application of fluid or lubricant material

241137, B02C 1708

Patent

active

053640365

ABSTRACT:
The present invention relates to apparatus for comminuting a material. The apparatus comprises a support (4) which is rotatable about a primary axis, and a grinding vessel (17), defining a grinding chamber, which is mounted on the support (4) for rotation about a secondary axis which is substantially parallel to the primary axis. The grinding vessel (17) is provided with an inlet (34) for a feed suspension of particulate solid material and an outlet (36) for a suspension for a fine product. In the first embodiment the grinding vessel (17) communicates with the outlet (36) through a screen (35). In the second embodiment, the inlet (34) comprises means for regulating the flow rate of the feed suspension. The invention also relates to a process for comminuting a material in a planetary mill, in which process the material is either ground autogenously or is ground in the presence of a grinding medium consisting of particles not larger than 1 mm.

REFERENCES:
patent: 5029760 (1991-07-01), Gamblin
Qian-Qui Zhao et al., "The Mechanism and Grinding Limit of Planetary Ball Milling", KONA, No. 7(1989) pp. 29-36.

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