| 摘要 |
Particulate treatment apparatus includes structure defining a particle treatment zone including a conveyor defining an imperforate lower particle treatment zone boundary. A chamber above the particle treatment zone receives a body of liquid, and means are provided for creating a zone of vapor within the chamber above the body of liquid. Nozzle tubes extend through the lower wall of the chamber and are disposed along the length and across the width of the treatment zone. The upper ends of the nozzle tubes extend above the level of liquid in the chamber while the lower ends of the tubes are disposed adjacent the imperforate transport surface of the conveyor. Vapor flows from the vapor zone through the tubes downwardly against the conveyor surface and fluidizes particles on the conveyor with concurrent vapor exchange so that the particulate material entrains a substantial amount of vapor as it is transported through the treatment zone.
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