Gravity particle separator
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United States of America Patent
Stats
-
Sep 22, 1992
Grant Date -
N/A
app pub date -
Oct 11, 1990
filing date -
Apr 26, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A gravity separator for the separation of heavier particles from lighter waste material comprises a stack of decks (4) mounted for resonant oscillatory motion within a supporting frame (1). A motor (9) oscillates the decks at their resonant frequency while a distribution system (6) supplies a feed in the form of a slurry to the surface of the decks. As shaking continues, the heavier particles within the slurry are gradually separated from the lighter particles. Optimal separation is provided by a control system which, if necessary, automatically changes the amplitude of oscillation and/or the timing of the stages as separation proceeds, for example in response to outputs of detectors which measure the frequency of oscillation and the power being consumed.
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