METHOD AND DEVICE FOR DRYING AND FOR THE MATERIAL FLOW-SPECIFIC PROCESSING OF COARSE-GRAINED WASTE THAT CAN BE AERATED
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United States of America Patent
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Issued Date -
Nov 12, 2009
app pub date -
Jul 14, 2007
filing date -
Sep 6, 2006
priority date (Note) -
Abandoned
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Abstract
The invention relates to a method and a device for drying and for the material flow-specific processing of coarse-grained waste that can be aerated. The invention is characterized by subjecting the waste in a first step to a hot air drying step (1) in a tunnel drier (10), followed by the subsequent process steps of sieving (2) to remove the fines, preferably with a grain size <40 mm, air separation (3), removal of metal (4) and optical sorting (5), and size reduction (6) of the residual fraction, preferably to a grain size <40 mm, and returning the size-reduced residual fraction to the tunnel drier (10).
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