An Automated Color-Sorting Device for Wool and Other Fibers
1995
Abbott, G.M.
A new method is described for on-line sorting of colored faults from undyed fibrous materials such as scoured or carbonized wool. To obtain realistic throughput rates, the wool is pneumatically conveyed in sorting ducts at air speeds of 16 m/s and the faults selectively removed by a high-speed reject device. A prototype six-duct sorter having a designed capacity of 1000 kg/h is tested on both wool and cotton. The sorting performance of the device with carbonized wool is a large improvement over existing manual sorting procedures, with reject rates of up to five faults per second per duct. Trials are also described in which stains and matted clumps are removed from top- making wools. In addition, sorting manmade contaminants from wool and cotton proves to be both efficient and selective.
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