B - Operations – Transporting – 02 – C
Patent
B - Operations, Transporting
02
C
241/46
B02C 23/08 (2006.01)
Patent
CA 1236068
2898-1249D ABSTRACT OF THE DISCLOSURE A vane wheel arrangement (30) particularly suited for use in a bowl mill (10) of the type that is employed for purposes of effecting therewithin the pulverization of materials such as coal. The vane wheel arrangement (30) which is positioned within the bowl mill (10) so as to be located in the path of flow of the air that in flowing through the bowl mill (10) transports there- with the pulverized material, is operative to effect a primary classification of the pulverized material. Encompassed within the vane wheel arrangement (30) are vane means (36) supported on the rotatable grinding surface (14) of the bowl mill (10) for rotation therewith, and a converging/diverging orifice means (38) located in spaced relation to the rotatable grinding surface (14). Both the vane means (36) and the exposed surfaces of the converging/ diverging orifice means (38) are formed of a material that is noted for its good abrasive resistant qualities.
545912
Kohler David E.
Maliszewski Theodore V. Jr.
Alstom Power Inc.
Smart & Biggar
LandOfFree
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