摘要 |
The present invention relates to a mill 20 for grinding rubbish R. The mill 22 comprises at least one grinding chamber 24 defined by a side wall 26 and a floor 26. The mill also comprises at least two rotors 30 1 and 30 2 rotatable about respective substantially vertical axes X 1 and X 2 . Each of the rotors 30 comprises a hub 32 and a plurality of chains 34 connected to the hub 32 and designed to sweep over part of the grinding chamber 22 during rotation of the rotor 30. |