Solid material comminution or disintegration – Apparatus – Combined or convertible
Patent
1984-05-10
1986-07-22
Rosenbaum, Mark
Solid material comminution or disintegration
Apparatus
Combined or convertible
241243, 261DIG9, B02C 1808
Patent
active
046014306
ABSTRACT:
An ash grinder (30) which is particularly adapted for reducing chunks of fly ash from a flue gas scrubber system to facilitate further handling, includes a rectangular throat section (32) of uniform cross-section with a shaft (52) extending therethrough. The shaft (52) is supported by bearings (54) on pedestals (56) located external to the throat section (32). Sets of perpendicular blades (66, 68) are secured to shaft (52) for rotation between opposite sets of fixed blades (48) located inside the throat section (32). The shaft (52) is driven by a reversible motor (76) through a chain and sprocket arrangement (70, 72 and 74) at a relatively slow speed on a continuous basis so that any large chunks of fly ash formed within the scrubber chamber, such as during a system upset for example, will be reduced to an acceptably smaller size to facilitate further handling without manual intervention or interruption of system operation.
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Northern States Power Company
Rosenbaum Mark
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