Solid bowl screw centrifuge comprising a centripetal pump with a throtting device
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United States of America Patent
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-
Mar 31, 2009
Grant Date -
Jun 26, 2008
app pub date -
Jul 30, 2004
filing date -
Aug 8, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A solid bowl screw centrifuge including: a drum having a solids discharge at a conical end and at least one discharge opening at an end opposite the conical end, the at least one discharge opening arranged with an axial drum lid; a screw rotatable at a different speed relative to the drum; a centripetal chamber section connected behind the drum lid with the at least one discharge opening; a centripetal pump arranged to discharge a liquid phase from the solid bowl screw centrifuge; and an adjustable throttling device connected in front of the centripetal pump in the centripetal chamber section, the adjustable throttling device being assigned to the at least one discharge opening.
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