Adjustable weir structure for a decanter centrifuge
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United States of America Patent
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Aug 21, 1990
Grant Date -
N/A
app pub date -
Oct 20, 1988
filing date -
Oct 20, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A centrifuge apparatus having an adjustable weir surface for adjusting the depth of an annular pool of a light and heavy phase material mixture therein. A first annular plate is positioned over a discharge outlet and includes a plurality of notches, each defining a generally arcuate opening and in the periphery thereof. A second annular plate is positioned in coaxial parallel juxtaposition with said first annular plate and also includes an identical amount of notches, each defining a generally arcuate opening. The annular plates are angularly positioned with respect to each other such that the generally arcuate openings are placed in overlapping relationship. Therefore, depending upon the relative angular position of the annular plates with respect to each other, the weir length can be increased and decreased.
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