International Sugar Journal

Online cleaning of a vertical continuous vacuum pan* [Full subscriber]

Abstract This paper addresses the theory and recommended control logic for an online cleaning procedure of a vertical continuous vacuum pan. The online cleaning procedure increases the massecuite temperature in the pan by increasing the head space pressure, which results in the release of sugar build-up and re-establishes pan circulation. An International Society of Sugar Cane Technologists (ISSCT) Process Workshop held in South Africa in 2014 reported the use of an online cleaning program for continuous vacuum pans in South African mills. Wilmar Sugar conducted trials of this procedure during the 2015 crushing season on a vertical continuous high grade…

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