power DRUM – Significant improvement of milling efficiency through innovative drum design
The milling efficiency of agitator ball mills depends largely
on the relative velocity of grinding bodies and material. However, the low relative velocity of material in the vicinity of the drum wall causes tranquilising of the mixture of grinding bodies and materials. This effect is particular pronounced at high rotor speed. A new design for the milling drum, developed at the University of Siegen, overcomes this problem and allows significant improvement of the efficiency of agitator ball mills.
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