| 摘要 |
The disclosure relates to a rotating pyrolysis drum for the thermal treatment of waste materials, such as domestic or industrial garbage or the like, with respectively one heated gas collecting chamber for addition and one heated gas collecting chamber for withdrawal, being provided at pertaining end faces of the drum, which chambers are connected to one another via bores in the end faces and by tubes extending through the interior of the drum. At least one seal assembly is arranged between the stationary heated gas collecting chambers and the drum. A seal disc is provided on the circumferential wall of a hollow connection member at the end face of the drum at the inlet side and, respectively, at the outlet side for pyrolysis residues and/or another rotating part of the drum. At the two end faces of the seal disc are arranged contact rings which are slid with play over the connection member and/or the other rotating part and these sealingly contact such end faces. The contact rings are respectively provided on their circumference with seals which act between them and a surrounding housing part.
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