Method for controlling discharge timing of centrifugal separator and centrifugal separator based on pressure measurement
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United States of America Patent
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Feb 12, 2019
Grant Date -
Jan 19, 2017
app pub date -
Mar 13, 2015
filing date -
Mar 31, 2014
priority date (Note) -
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Abstract
The method controls timing of a discharge event of a centrifugal separator, during which discharge event at least part of a heavier liquid and/or sludge or solids separated from a lighter liquid is discharged from the separator through at least one discharge opening. The discharge opening is opened and/or closed hydraulically. The method comprises the steps of waiting for a scheduled discharge time, measuring the pressure of the liquid used for opening and/or closing the discharge opening, comparing the measured pressure to a predetermined limit value, and, in the case the pressure is below the limit value, delaying the discharge event.
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