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AIR CLASSIFIER FOR LIGHT REUSABLE MATERIALS SEPARATION FROM A STREAM OF NON-SHREDDED SOLID WASTE
AIR CLASSIFIER FOR LIGHT REUSABLE MATERIALS SEPARATION FROM A STREAM OF NON-SHREDDED SOLID WASTE
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机译:用于从轻质固体废物流中分离轻质可重复使用材料的空气分类器
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摘要
An air classifier for separating light reusable materials from a stream of non-shredded solid waste is provided. The air classifier employs two operating phases. The first operating phase, the desired light fraction is entrained in an air stream and is conveyed above the remainder of the solid waste. The waste material is then received by a second conveyor so that the lighter fraction is received on top of the heavier fraction. Thus, the first phase of the apparatus effects mass stratification. During the second operating phase, the light fraction is actually removed from the heavy fraction by a high velocity air stream which is preferably induced by a reducing cross-section portion of the apparatus. The air flow through the apparatus is captured and recycled and the light fraction being separated therefrom in, for example, a cyclone.
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