| 摘要 |
An apparatus and method for treating a plurality of particles with a coating. The apparatus includes a feed chute and a diffuser having an angled wall to define a gap between the feed chute and the diffuser. An applicator sprays a coating for treating a plurality of particles and an exit chute captures the treated particles. A flow control device is provided for dynamically adjusting a size of the gap between the feed chute and the diffuser as the particles pass through the gap for ensuring a predetermined flow rate of the particles about the diffuser is maintained.
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