Conditioning cylinder with flights, backmixing baffles, conditioning nozzles and air recirculation
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United States of America Patent
Stats
-
Apr 14, 1992
Grant Date -
N/A
app pub date -
Aug 14, 1990
filing date -
Aug 14, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus and method for conditioning tobacco or other similar materials. In the preferred embodiment, a conditioning cylinder 200 comprises a plurality of flights 240, backmixing baffles 260, and ejection baffles 280, all mounted to the interior wall 220 of cylinder 200. Rotation of the cylinder 200 mixes and conveys the material. Spray nozzle assembly 400 is positioned adjacent to the entrance of the cylinder 200 and comprises spray nozzles 410-450. The spray nozzles are aimed at a plurality of predetermined target areas within the cylinder 200 for directing a conditioning spray onto the material in the target areas. Recirculation conduit 500 recirculates air exiting the cylinder 200 and, before reentering the cylinder, combines the recirculated air with ambient air from fresh air make-up ports 520.
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