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OwnerMichael Witt, Thomas Kessler +2inventors
InventorsMichael Witt, Thomas Kessler, Karl-Peter Farwerck, Kaspar Evertz
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The invention relates to a process and an apparatus for the thermal treatment of powdered or granular solid substances with gas flows (7, 16, 22, 23, 24) by means of a body (2) moved about its axis of rotation (1). In this process, the following process steps are successively carried out: Firstly, the bulk material held in segments (3) of the moved body (2) is heated by subjecting it to steam (22). Then, the heated bulk material is exposed to a feed of air (23) and/or inert gas (24), taking place in one or more subsequent steps. Finally, removal (17) of the dried or inerted bulk material from the segments (3) of the body (2) moved about its axis of rotation (1) takes place.
A process for the thermal treatment of powdered or granular solid substances with gas flows (7, 16, 22, 23, 24) by means of a body (2) moved about an axis of rotation (1), with the following process steps to be successively carried out:
An apparatus for the thermal treatment of powdered or granular solid substances with gas flows (7, 16, 22, 23, 24) by means of a cellular wheel (2) which is moved about its axis of rotation (1) and has individual segments (3), wherein coverings (21, 25, 27) which allow bulk material or gas flows (22, 23, 24) to enter or leave are provided segmentally in the cover (19) and base (20) of the moved cellular wheel (2).
Dependencies are inferred from the claim text.