F - Mech Eng,Light,Heat,Weapons – 26 – B
Patent
F - Mech Eng,Light,Heat,Weapons
26
B
34/46
F26B 19/00 (2006.01) C10F 5/00 (2006.01) F26B 1/00 (2006.01) F26B 17/14 (2006.01) F26B 25/06 (2006.01)
Patent
CA 1151864
Abstract: Organic solid materials such as brown coals are dried by pre- ferably continously passing the pre-heated organic solid ma- terials through at least one drying stage and by subjecting the organic solid materials within this drying stage to the action of saturated steam under super atmospheric pressure and at elevated temperature. Steam is used for pre-heating the solid materials and the condensate formed is discharged prior to introducing the solid materials into the drying stage ope- rated with saturated steam. Saturated steam and preferably the steam obtained during the drying process is used for pre-heating purposes. Pre-heating itself can be effected under atmospheric pressure thereby pressure-releasing the steam obtained in the drying stage. Pre-heating is effected within a bunker (1) being connected via a pressure lock (6) with an autoclave (7). Steam is supplied via a conduit (2) to the solid materials to be pre- heated.The condensed water is discharged from the bunker (1) via a conduit (3). Additional conduits (5) can be connected to the bunker (1) for discharging the condensate from different cross-sectional planes.
365787
Mcfadden Fincham
Voest - Alpine Aktiengesellschaft
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