Dryer Components. By: M Gummert J Rickman Agricultural Engineering Unit IRRI, Los Baños , Philippines. Heated air drying Components of a dryer. Main components Drying bin Air distribution system Fan Air heater Optional Conveyors Accessories Moisture meter Dust separator.
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M GummertJ Rickman
Agricultural Engineering Unit
IRRI, Los Baños , Philippines
Self supporting structure
Simple plenum chamber
Short air delivery pathways
Uneven air velocity
Air velocity highest at the inlet
Reversal of air flow
Reduced moisture gradient
No mixing needed
Fines in rice create dust during the loading and drying process and reduce airflow through the rice grain.
Pre-cleaners usually consist of
scalper that lets through the grain but retains straw
a smaller second screen that removes small stones and other impurities
air aspirator for sucking out dust and light empty grains