FIELD: mechanical engineering.
SUBSTANCE: proposed grinding device contains chamber with lower wall and peripheral wall passing upwards from lower wall, and drive shaft set into rotation and passing mainly square to lower wall, and at least one grinding member set into rotation by drive shaft around the shaft and arranged near lower wall. Great number of other grinding driven members set into rotation by drive shaft are arranged higher than grinding member arranged wear lower wall. Hole is provided in peripheral wall of grinding chamber. Said hole is arranged near lower wall and is opened and closed, as need be, and is suitable for use as additional discharge hole.
EFFECT: increased capacity of device and improved quality of ground material.
25 cl, 4 dwg
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