B - Operations – Transporting – 02 – C
Patent
B - Operations, Transporting
02
C
241/125
B02C 19/00 (2006.01) B02C 13/18 (2006.01)
Patent
CA 1243992
ABSTRACT OF THE DISCLOSURE: A device for projecting solid particles for a vacuum centrifugal grinder incorporating a rotationally driven distributor wheel in which a plurality of ejection channels are formed. The particle-guiding face in each channel has a curve which is positive, that is to say a curve winding in the same direction of rotation of the distributor wheel, and whose outline, judiciously calculated as a function of the friction coefficients of the materials in contact, produces the attachment to this curve of a stable self-protection layer consisting of the particles themselves, with automatic regeneration of the said layer at the same time its wear. The invention applies, for example, to the grinding of cement or of pulverized coal.
501789
Framatome
Robic Robic & Associes/associates
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