Crushing device for friable mineral material, with turning breaker in wall parallel to crushing rolls and with rows of teeth

摘要

The crushing device has at least one turning breaker (6) in the walls (4, 5) running parallel to the crushing rolls (2, 3). The breaker has opposite rows of teeth (7, 8) facing towards and away from the rolls. The teeth rows facing towards the rolls engage between the teeth of the roll in question. There must be at least one tooth in each row.