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U.S. Department of Energy
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Method and apparatus for drying fine coal

Patent ·
OSTI ID:5325543
This patent describes a coal drying apparatus. It comprises a rotatable drying chamber, a rotatable heating member positioned within the drying chamber, and forming a coal drying zone therebetween, screen openings in the wall of the drying chamber, and moisture exhaust means from the drying chamber. Also described is a coal drying apparatus comprising a cylindrical tubular drying chamber mounted for rotation about its axis, screen openings in the wall of the drying chamber, a cylindrical tubular heating member mounted within the drying chamber for rotation about the axis of the heating member. The drying chamber and the heating means forming a coal drying zone therebetween, gas conduit means in flow communication with the interior of the heating chamber for movement of heated gas through the heating chamber, and a coal delivery port positioned above the heating member for discharge of wet coal into the heating chamber.
Assignee:
CLI International Enterprises, Inc., Pittsburgh, PA
Patent Number(s):
US 4854941
Application Number:
PPN: US 7180303A
OSTI ID:
5325543
Country of Publication:
United States
Language:
English

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