SOLID-BOWL SCREW CENTRIFUGE WITH OVERFLOW WEIR

A solid-bowl screw centrifuge includes one or more discharge weir(s) for discharging clarified liquid out of a drum which has a rotational axis and a rotational direction. The centrifuge has one or more through-opening(s) in a drum cover, each of which is associated with a weir plate having a recess...

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Bibliographic Details
Main Authors TERHOLSEN, Stefan, HORSTKÖTTER, Ludger, HERMELER, Jürgen
Format Patent
LanguageEnglish
French
German
Published 15.01.2020
Subjects
CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL ORCHEMICAL PROCESSES
CENTRIFUGES
PERFORMING OPERATIONS
TRANSPORTING
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Summary:A solid-bowl screw centrifuge includes one or more discharge weir(s) for discharging clarified liquid out of a drum which has a rotational axis and a rotational direction. The centrifuge has one or more through-opening(s) in a drum cover, each of which is associated with a weir plate having a recess. An open discharge channel is formed on the through-opening at the recess, a deflection from a direction parallel to the rotational direction of the drum substantially into a circumferential direction in the rotational direction being carried out by the discharge channel. The discharge channel is designed such that exiting liquid is conducted over the base of the discharge channel to an overflow edge. The base of the discharge channel to the overflow edge is inclined inwards in the rotational direction relative to the tangential direction by an inclination angle δ≥0 at the point of the overflow edge.
Bibliography:Application Number: EP20130736864