Method of retrofitting a decanting centrifuge

Details Method of retrofitting a decanting centrifuge Method of retrofitting a decanting centrifuge

2006-02-21

2006-02-21

Cooley, Charles E. (Department: 1723)

Imperforate bowl: centrifugal separators

Rotatable bowl

Including driven material-moving means therein

Reexamination Certificate

active

07001324

ABSTRACT:
A method of retrofitting a centrifuge is provided. The method includes disassembling a known centrifuge and replacing a bowl section of the centrifuge outer body with a longer bowl section. The method further comprises replacing the conical beach section with a shorter beach section, i.e. a beach section having a greater slope. The screw conveyor is replaced with another screw conveyor having outlet nozzles adapted to impart rotational movement to the inlet feed. The retrofitted centrifuge provides enhanced performance through an additional length of cylindrical section, thereby making the clarification length longer, and improving the effectiveness of the centrifuge in removing solids from the inlet feed. The retrofitted centrifuge preferably remains mounted to the same pedestal as the centrifuge prior to retrofit.

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