| 摘要 |
Distribution means for a fluidized bed, comprises a perforated plate (50) having a plurality of apertures. The cross-sectional area of each aperture is in the range of 20x10-6 sq. inches (approximately 130x10-6 sq. cm) to 1000x10-6 sq. inches (approximately 6450x10-6 sq. cm), and the total area of the apertures is in the range of 1% to 4% of the total area of the plate. A fluidized bed-type conditioning apparatus for conditioning material such as tea and tobacco, comprises a conditioning zone disposed above the distribution means, and further comprises means for supplying gaseous medium to said zone through said distribution means.
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