| 摘要 |
A device for comminuting bulk charge stock with a housing surrounding a rotational axis. The housing has a first front wall, a second front wall plane parallel at an axial distance and a shell wall connecting the first front wall and second front wall on the circumferential side, which together form a comminuting chamber. A comminuting system rotating about the rotational axis is arranged in the comminuting chamber, which comminuting system has first comminuting tools and second comminuting tools interacting therewith, which form a concentric comminuting zone for charge stock. In order to cool the comminuting zone effectively and economically, a cooling channel is provided, which surrounds the shell wall outside in the plane of the comminuting chamber, wherein the cooling channel has an entry opening for charging with cooling gas and an exit opening for the discharge of the cooling gas.
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