| 摘要 |
A method, a device and a plant for cleaning irregular pieces consisting of different materials, for example cast iron pieces with parts of compressed coal dust sticking thereon and coal pieces made of compressed coal dust with parts of a contaminating film adhering thereon, wherein the cleaning of both materials is carried out in only one cleaning device (1) comprising a cleaning jacket (2) which has a substantially horizontal longitudinal axis (3), is rotatable in both directions of rotation, is pivoted (4) in order to swing in the vertical longitudinal plane, and is provided with cleaning tools (12, 12A) which are fastened to said cleaning jacket (2) along jacket generating lines or helicoidal lines. Said cleaning tools (12, 12A) have two geometrical different operative sides (13, 14) in order to form an active side for each of both materials to be cleaned when rotating in an associated direction of rotation.
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