System for venting the heating pipes of a tubular rotary dryer
AssigneeDeutsche Gold- und Silber-Scheideanstalt vormals Roessler
InventorsBernd Brandt, Peter Jansen, Heinz Liesenfeld
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Abstract
Air is vented from steam-charged heating pipes of a tubular rotary dryer via connector pipes and a collecting pipe which is disposed circumferentially around the dryer drum. Holding blocks provided with inwardly-biased rollers support the collecting pipe for longitudinal movement on the exterior wall of the dryer drum.
Claims12
A venting system for venting air to a collecting pipe from the heating pipes of a tubular rotary dryer, a dryer drum having a longitudinal axis and being rotatable about said longitudinal axis, heating pipes within said dryer drum, said collecting pipe being disposed annularly and continuously around the dryer drum, holding blocks supporting the collecting pipe on the dryer drum, said holding blocks mounted for movement relative to the drum in a direction parallel to said longitudinal axis of the dryer drum, and connector pipe means for connecting said collecting pipe to the heating pipes.
Dependencies are inferred from the claim text.