| 摘要 |
Disclosed is a disc centrifuge having several straight radial passages leading to a central offtake. When the disc is rotated at high speed, and a gaseous stream is led to its periphery, particles therein are separated. The disc is preferably stationed near the top of an elutriation chamber; use of arrangements comprising a plurality of disc-containing chambers is taught. Separations occur with a minimum of line pressure drop. With means for changing the number of passages used and the disc rotational velocity, a "coarse tuning" versus "fine tuning" effect is conveniently obtained.
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