| 摘要 |
A centrifugal decanter (1) comprising a rotatable bowl (10) having a cylindrical part (11) and a conical part (12) ; a rotatable, screw conveyor (20) journalled within the bowl coaxially therewith, comprising a shaft (30) and a first helical screw (40) wound around the shaft; a circular weir (14) disposed at an end of said cylindrical part opposite the conical part; an outlet opening (13) from said bowl disposed at the conical part; and an inlet opening to the bowl arranged through the shaft, said bowl and the screw conveyor being rotatable independently with respect to each other wherein the screw conveyor comprises a second helical screw (41) intersecting the first helical screw at a point disposed on the shaft facing the weir and having a terminal end facing the outlet opening. |
