The outside diameter of the circular tub
is varied depending on the capacity
required. The speed of rotation of the
drive shaft depends on the application;
dewatering or washing. For dewatering
with series washing. the speed is 5 — 6
RPM.
Yet, another dewatering device consists
of one or more inclined screw conveyors
fitted with perforated troughs. The
edges of the screw flights are fitted
with nylon brushes that keep the
perforations clean. Discharge
consistency is 12 — 15%.