Drying and gas or vapor contact with solids – Process – With nondrying treating of material
Reexamination Certificate
2004-10-12
2010-06-08
Gravini, Stephen M. (Department: 3743)
Drying and gas or vapor contact with solids
Process
With nondrying treating of material
C059S060000, C422S307000, C099S468000
Reexamination Certificate
active
07730633
ABSTRACT:
A method and apparatus for agricultural product production with heat and moisture recovery and control. Some embodiments transfer heat and moisture from a warm, moist exhaust air stream to incoming agricultural material, steam condition the material, pelletize the material into warm pellets, cool the warm pellets with make-up air to produce the warm, moist exhaust air used to transfer heat to the incoming material and to produce cooled pellets, wherein the cooled pellets are at a temperature lower than the warm moist air. In some embodiments, the system includes counter-flow devices to transfer heat and moisture. In some embodiments, a controller is used to adjust system devices and overall system flow. In some embodiments a water sprayer, to moisten agricultural product when the product is over dry, and an air flow controller, to slow air flow through the pellet dryer/cooler when ambient temperatures are dryer/cooler, are provided.
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Jurkovich John C.
Oliver Mark R.
Gravini Stephen M.
Lemaire Charles A.
Lemaire Patent Law Firm, P.L.L.C.
Pesco Inc.
Rixen Jonathan M.
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