B - Operations – Transporting – 02 – C
Patent
B - Operations, Transporting
02
C
B02C 4/02 (2006.01) B02C 4/30 (2006.01)
Patent
CA 2104639
Abstract The invention relates to apparatus for material bed comminution of brittle material for grinding, with two roll-like comminuting tools, in which the length: diameter ratio is in each case less than 1 and of which one tool is fixed and the other is mounted so as to be movable, wherein a working gap distance is maintained between the two commi- nuting tools in the unloaded starting position and the comminuted material for grinding is substantially pressed to form agglomerated scabs. In order to ensure a relative- ly low wear and a relatively maintenance-free operation the length: diameter ratio of the comminuting tools is less than approximately 0.3 and the diameter of the roll-like commi- nuting tools is chosen to be sufficiently great that the scab thickness is always greater than the working gap distance.
Krupp Polysius Ag
Macrae & Co.
LandOfFree
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