Centrifugal separator with a control unit for speed control
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United States of America Patent
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Apr 17, 2018
Issued Date -
N/A
app pub date -
Oct 13, 2010
filing date -
Oct 29, 2009
priority date (Note) -
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Abstract
A centrifugal separator for separating solid particles from a liquid mixture includes a rotor body. The rotor body has a separation chamber with an inlet for the liquid mixture, one or more liquid outlets for a liquid separated from the liquid mixture, a sludge outlet for the separated solid particles, a screw conveyor adapted to rotate in the rotor body, at a speed differing from the rotational speed of the rotor body, for transporting the separated solid particles in the separation chamber towards and out of the sludge outlet, a drive arrangement adapted to rotate the rotor body and the screw conveyor at their respective speeds, and a control unit which is adapted to control the drive arrangement to rotate the rotor body at a first speed during a separation phase and at a second speed, which is lower than the first speed, during a particle discharge phase.
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