| 摘要 |
A trommel of a drum mill comprises a housing with a screw conveyor on its inner surface and a perforated drum located inside the housing and equipped with its own screw conveyor, and a spiral feeder designed to return non-ground material to the mill, and the housing is made with the screw conveyor, whose direction of movement coincides with the direction of material movement, and the perforated drum - with the return conveyor, at the end of which said spiral feeder is installed, and the value of classifying holes of the drum is made according to the required fineness of the material. |
