Lint-Cleaning Efficiency at Gins and Its Significance

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Abstract
Cleaning efficiencies for two stages of saw-cylinder lint cleaning with full-scale commercial equipment were examined. It was shown from a 66-bale study that an average cleaning efficiency of about 35% per cleaner unit could be expected at field gins, but that the measured efficiency is affected significantly by both the initial foreign-matter content of the cotton and location of the unit cleaner within the lint-cleaning system. The higher cleaning efficiencies obtained when processing cottons of high foreign-matter levels were attributed to the presence, of large trash particles, which were readily extracted by the centrifugal action of the cleaner. This effect was also observed with the first cleaner of a two-stage lint-cleaning system. The cotton handled by the first cleaner is trashier than that handled by the second lint cleaner, therehy producing a higher cleaning efficiency with the first lint cleaner than with the second lint cleaner. It is pointed out that the efficiency is also affected by the amount of combing and centrifugal action developed by a lint cleaner.

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