Table of ContentsDischarge GratesPulp Lifters Here I try to explain how ground slurry is discharged from a grate ball mill (or SAG).  How it works is, the slurry flows across the grate as it would a screen panel. On the other side of the grate/screens are veins like a pump impeller.  As the mill turns/rotates … Continue reading How a Grate Discharge Ball Mill Works