Patent ID: 9278357
Filing Date: 2016-03-08
CPC Classification: B02C

Claim Text:
1. An agitator ball mill for the fine-grinding or dispersion of a grinding material, comprising a container the inner wall of which delimits a cylindrical or conical, vertically arranged grinding chamber, a grinding material inlet for feeding the grinding material into the grinding chamber, a grinding body inlet for introducing grinding bodies into the grinding chamber, and a grinding material outlet for discharging the ground or dispersed grinding material from the grinding chamber, and a rotatably driven agitator having at least one agitator element and extending in the axial direction in the grinding chamber, the agitator element moving the grinding bodies in the grinding chamber as the agitator rotates in a first rotational direction and thereby conveying the grinding material from the grinding material inlet to the grinding material outlet, wherein in the conveying direction of the grinding material there is arranged in the grinding chamber directly upstream of the grinding material outlet a separating device retaining the grinding bodies in the grinding chamber but permitting the ground or dispersed grinding material to be discharged from the grinding chamber through the grinding material outlet, characterised in that a grinding body outlet channel running tangentially to the inner wall of the container and emerging from the grinding chamber is arranged at the bottom of the grinding chamber so that a complete emptying of the grinding bodies out of the grinding chamber through the grinding body outlet channel is possible by a flow through the grinding chamber towards its bottom.