摘要 |
<p>An apparatus for the heating and/or drying of wet, comminuted material, e.g. organic material, comprises a stationary housing (2) with a rotatable, hollow rotor (3) with inlet (4) and discharge (5) of a heating medium and possible condensate (6) thereof, and where the rotor has annular drying elements (9) disposed at intervals and with annular channels (10) to which the heating medium is fed in a parallel manner from a central channel (11). The annular channels (10) are circular and are disposed concentrically with each other and with the rotor (3).</p> |