Recycle control for grain dryers
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United States of America Patent
Stats
-
Apr 28, 1981
Grant Date -
N/A
app pub date -
Nov 13, 1979
filing date -
Nov 13, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A recycle control is provided for grain dryers of the type which have a drying column area with heating and cooling zones and a recirculating air blower. During a recirculating mode of the grain dryer, the recirculating blower draws in a mixture of cooling air and heating air from the cooling and heating zones respectively and forces the mixture after additional heating back into the heating zone. The recycle control includes an inlet duct and adjustable louver arrangement which during partial recirculating mode selctively flows outside air into the mixture of cooling air and heating air at an intake portion of the recirculating blower to regulate the extent of dryer recirculation, and control grain drying. During a non-recirculating mode the recirculating blower draws in only outside air.
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