FIELD: desintegrators and crushing devices.
SUBSTANCE: invention relates to grinding bodies and can be used in ball mills. Grinding body is made in the form of a ball, which consists of two halves 1 and 2 and comprises at least one ball-shaped core 5 and an annular channel 6. Annular channel 6 is formed by two channels 7 and 8, and the core 5 is located in the annular channel 6 with the possibility of free rolling.
EFFECT: grinding bodies provide more intensive grinding.
1 cl, 3 dwg
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