Settler for Decanting Mineral Slurries & Method for Separating Clarified Liquid from Thickened Slurry of Said Mineral Slurries

摘要

A settler for decanting mineral slurries includes a tank having a side wall, a bottom and a top, an outlet for a thickened slurry at the bottom of the tank, a first overflow outlet for withdrawing an overflow stream of a clarified liquid, a slurry inlet means for introducing fresh slurry into the tank, the slurry inlet means having a slurry opening through which fresh slurry joins a body of slurry in the tank, and a stirrer having a vertical axis around which the stirrer rotates or reciprocates, in said settler the slurry opening is displaced laterally relative to said vertical axis of the stirrer and said slurry inlet means comprises mixing means. A separation installation includes the above settler and a method for separating a clarified liquid from a thickened slurry of a mineral slurry.

主权项

1. A settler for decanting mineral slurries, comprising
a tank for holding and decanting a body of slurry to form a thickened slurry as a lower layer and a clarified liquid as an upper layer, the tank having a side wall a bottom and a top, an outlet for the thickened slurry at the bottom of the tank, a first overflow outlet for withdrawing an overflow stream of the clarified liquid, a slurry inlet means near the top of the tank for introducing fresh slurry into the tank, the slurry inlet means having a slurry opening through which the fresh slurry joins the body of slurry in the tank, and a stirrer having a generally vertical axis around which the stirrer rotates or reciprocates,characterized in that said slurry opening is displaced laterally relative to said generally vertical axis of the stirrer and said slurry inlet means comprises mixing means.