发明授权
US3883423A Vertical classifier 失效
垂直分类器

Vertical classifier
摘要:
In a vertical classifier, a high efficiency of separation is achieved by recirculating a portion of the main fluid stream within the classifier so as to create a horizontal vortex whereby larger particles are prevented from passing with the fine fraction; incoming fluid serves to carry fines from such recirculated portion of the fluid stream.
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