| 摘要 |
PCT No. PCT/DK91/00196 Sec. 371 Date Jan. 5, 1993 Sec. 102(e) Date Jan. 5, 1993 PCT Filed Jul. 8, 1991 PCT Pub. No. WO92/01200 PCT Pub. Date Jan. 23, 1992.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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