FIELD: designs of revolving furnaces, particular, devices for dehydration of loose materials with simultaneous recuperation of heat. SUBSTANCE: the offered furnace has coaxially installed body, shell and casing forming air ducts between one another. Air is supplied to external annular channel and then preliminarily heated air is supplied to internal channel through gap between shell and cold end. Width of cross-section of channel between body and shell relates to width of cross-section of channel between shell and casing as 1:(1-3). EFFECT: higher efficiency. 2 dwg
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Authors
Dates
1997-11-20—Published
1995-09-27—Filed