Apparatus for drying a moist particulate material with superheated steam
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United States of America Patent
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Oct 25, 1994
Grant Date -
N/A
app pub date -
Jan 5, 1993
filing date -
Jul 9, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for drying a moist particulate material having a nonuniform particle size with superheated steam, which apparatus comprises a cylindrical vessel (2) comprising a number of parallel, substantially vertical elongated chambers (6) located in ring form, one or more of the chambers (7) having a closed bottom and the remaining chambers having a steam-permeable bottom (8), wherein means for emitting flows of superheated steam substantially parallel to the chamber bottom (8) are located at the lowermost portion of at least some of the chambers (6) having steam-permeable bottoms (8).
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