Solid material comminution or disintegration – Apparatus – Plural rotary or oscillatory surfaces cooperate with common...
Patent
1984-12-24
1986-07-29
Goldberg, Howard N.
Solid material comminution or disintegration
Apparatus
Plural rotary or oscillatory surfaces cooperate with common...
209138, 241 52, 241 791, 241 80, 241117, B02C 1500
Patent
active
046027459
ABSTRACT:
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 subject 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 therewith the pulverized material, is operative to effect a primary classification of the pulverized material. Encompassed within the subject 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.
REFERENCES:
patent: 2698142 (1954-12-01), Crites et al.
Kohler David E.
Maliszewski Theodore V.
Combustion Engineering Inc.
Fournier, Jr. Arthur E.
Goldberg Howard N.
Gorski Joseph M.
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