| 摘要 |
A two-stage dynamic classifier ( 30, 30 ') for classifying a pulverized feed material ( 34, 34', 38 ) entrained in an air flow ( 31 ) includes a vertically extending housing having a lower feed material inlet (18), an upper feed material outlet ( 24 ), a processing section ( 47, 47 ') disposed between the feed material inlet and the feed material outlet, and a lower tailings discharge ( 26 ). A classifier conditioner ( 32 ) is disposed in a lower portion of the processing section and a turbine classifier ( 42, 44 ) is disposed in an upper portion of the processing section.
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