F - Mech Eng,Light,Heat,Weapons – 26 – B
Patent
F - Mech Eng,Light,Heat,Weapons
26
B
34/47
F26B 7/00 (2006.01) F26B 17/12 (2006.01) F26B 21/00 (2006.01)
Patent
CA 1071860
ABSTRACT Improved process and apparatus for drying are dis- closed whereby a moist granular material is dried by contact with a heated gas and is then cooled by contact with a cool- er gas. The cooling gas is supplied to the cooling zone at a pressure which exceeds atmospheric pressure. During passage through the cooling zone, the temperature of the cooling gas is increased, and all of it is then circulated to the heating zone in order to reuse the heat thus absorbed for drying still more granular material. Fuel utilization and drying cost can be substantially reduced, and the inven- tion is especially suitable for use with recirculating grain dryers.
274925
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