Coating and drying apparatus

An apparatus for heating and/or cooling a plurality of particles (1) including a generally circular bed for holding the particles (1), the bed having a substantially centered annular inner bed wall (14), an outer bed wall (8), and an irregular bottom. The apparatus also includes a drive mechanism (2...

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Bibliographische Detailangaben
Hauptverfasser: MALCOLM ALBERT AUSTIN, DAVID MENDEL NATHAN, RAY LOUIS PETERSON, PETER THOMAS KASHULINES JR, GREGG ALAN MARTELL, ROBERT OTTO BRANDT JR
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:An apparatus for heating and/or cooling a plurality of particles (1) including a generally circular bed for holding the particles (1), the bed having a substantially centered annular inner bed wall (14), an outer bed wall (8), and an irregular bottom. The apparatus also includes a drive mechanism (28, 30, 32) rotatably affixed to said bed, where rotation of the drive mechanism at a predetermined rate produces a displacement of the bed horizontally and vertically resulting in a particle flow in the x, y and z directions. The particle flow in the x and y planes for a majority of said particles is in a dominant direction. The apparatus also includes an airplant which provides a heated and/or cooled airflow tangentially into the bed in a direction opposite to the dominant direction.