Stirred ball mill

Details Stirred ball mill Stirred ball mill

1994-06-01

1997-01-28

Eley, Timothy V.

Solid material comminution or disintegration

Apparatus

Loose grinding body comminutor

241180, B02C 1700

Patent

active

055971261

ABSTRACT:
The continuously operating stirred ball mill used for finely and very finely milling a material has a cylindrical or conical grinding chamber which has a horizontal axis and in which a stirrer rotatable about the chamber axis and intended for moving grinding media present in the grinding chamber is arranged. The known stirred ball mills have the disadvantage that the grinding media are entrained in the direction of the outlet by the material stream passed through from the inlet to the outlet, with the result that said grinding media accumulate in the region of the material outlet and thus lose their grinding effect and adversely influence the milling process. In contrast, the stirrer of the ball mill according to the invention has paddlewheel-like stirring members or propeller-like stirring members formed with separating and guiding disks. The stirring members are formed in such a way that a uniform distribution of the grinding media in the interior space of the grinding chamber is maintained during the milling process, so that disadvantages of the known stirred ball mills can thus be eliminated.

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