Ginning: A New Frontier
Mar 28, 2019


The quality of baled cotton fiber is not solely dependent on ginning, but reflects the entire history of the bale including variety, soil type, geographical location, cultural practices, storage, ginning, etc. Controlling the appropriate factors before ginning and prescribing the appropriate gin cleaning and drying needs of cotton can substantially improve fiber quality and increase monetary returns to the farmer and textile mill. The current process control system known as “IntelliGin1” utilizes the cotton market price and the performance characteristics of gin machinery to determine the optimum drying level and machinery sequence. Cotton moisture, colour, and foreign matter measurements are made with electronic devices at three stations in the gin system and are used to feed forward and feed backward to control the gin process. Special routing valves are used to bypass or select any combination of seed cotton cleaners, dryers, and lint cleaners as directed by a computer. When gin machinery is bypassed, the quantity of marketable lint is increased and the amount of fiber damage is decreased. The gin process control system minimizes fiber damage and machinery usage while optimizing profits. Control of fiber moisture and gin machinery increases bale value, fiber length, fiber yield, reduces short fibers, neps, improves removability of seed-coat fragments at the textile mill, and decreases the number of seed-coat fragments.

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