Solid material comminution or disintegration – Apparatus – Stationary comminuting surface or material bed
Patent
1983-11-18
1985-04-30
Rosenbaum, Mark
Solid material comminution or disintegration
Apparatus
Stationary comminuting surface or material bed
241285A, B02C 1900
Patent
active
045139199
ABSTRACT:
An improved feed arrangement is provided for use in a centrifugal impact rock crusher that includes a housing with a housing cover attached thereto having a circular housing feed opening defined therein concentric with a central axis. An impeller is rotated concentrically with the axis to throw rock received within the impeller against an impact surface within the housing to crush the rock. An impeller cover includes a circular impeller feed opening concentric with the axis and of a diameter substantially equal to that of the housing feed opening. The feed arrangement includes a hopper with a circular exit opening of a diameter substantially equal to that of the housing and impeller feed openings. The hopper is supported above the housing cover, and a cylindrical feed tube extends from within the hopper, through the exit opening and the housing feed opening and into the impeller feed opening. The feed tube is of a diameter slightly less than the openings through which it passes. The feed tube is releasably secured to the housing cover to permit downward adjustment of the feed tube as its bottom end wears.
REFERENCES:
patent: 4326676 (1982-04-01), Rose
Acrowood Corporation
Rosenbaum Mark
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