Working principle. Fed into the mill through one or both bearing trunnions, the material is ground by impact and friction from the balls. The ground product is discharged from the mill through discharge slots provided in the mill tube, through a discharge wall or through the end trunnion.
closed circuit ball mill plants for sale gauteng ball mill discharge grind size Grinding Classifiion Circuits Apr 4, 2017 I am working in a plant with single stage grinding using a ball mill we the ball mill is in closed circuit with classifiion cyclones. there are 3 cyclones and we operate 2 with a pressure of about 90KPa.