| 摘要 |
PROBLEM TO BE SOLVED: To provide a centrifuge capable of eliminating the lowering of productivity especially accompanying the occurrence of clogging of a screen part as the primary part of a screen bowl centrifuge with a treatment substance such as a crystal or the like and capable of reducing the leak amount of the treatment substance through meshes of the screen part, in the screen bowl centrifuge. SOLUTION: A washing liquid receiving part 43 for receiving a washing liquid for a washing nozzle 45 is provided in the hub 41 of a screw conveyor 40 while a large number of washing liquid discharge holes 48 for a residual layer arranged at a predetermined interval along the spiral direction of flights 42 are provided in the washing liquid receiving part 43. The washing liquid flying out into a bowl 20 from the washing liquid discharge holes 48 for the residual layer is directly ejected toward a residual layer treatment substance from the fine gaps between the narrow cover flights 50, which extend in the spiral direction along the surfaces 42b on the side opposite to the the feed surface 42a for the treatment substance of the flights 42, and the outer peripheral edges of the flights 42. COPYRIGHT: (C)2004,JPO&NCIPI
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