| 摘要 |
A plant for the cryogenic comminuting of materials which are resilient, tough or difficult to comminute at room temperature, in particular rubber and plastic material, wherein the comminuting means, the charging hopper and the feeding means for the material to be comminuted are all contained within one and the same insulated enclosure, said enclosure being in communication with the outside only over calibrated adjustable openings defining a given outflow of gas, a cryogenic liquid is introduced in the comminuting means in a quantity that is variable according to the minimum optimal temperature required in the mill for any specific comminuting operation.
|
