Patent ID: 8794448
Filing Date: 2014-08-05
Classification: B01D,B04B

Abstract:
1. A separation device comprising: an outer wall defining a separation chamber; a motor-driven rotor disposed within the chamber for rotation relative to the outer wall about a rotor axis; at least one vane disposed on the rotor and extending outwardly with respect to the rotor axis; a perforated screen which at least partially surrounds the rotor, the screen being fixed with respect to the outer wall and spaced from the outer wall to define an annular zone between the screen and the outer wall; an inlet to the separation chamber for a mixture to be separated; a plurality of outlets from the separation chamber, situated at different distances from the rotor axis for discharging respective phases of the mixture from the separation chamber, the outlets including: two fluid phase outlets, comprising a lighter phase outlet and a heavier phase outlet, the heavier phase outlet being situated radially outwardly of the lighter phase outlet with respect to the rotor axis, and a solids outlet provided in the outer wall.