International Sugar Journal

Enhancement of mill performance by adopting low-speed milling in the sugar industry* [Full subscriber]

Abstract         There is considerable debate on selecting the proper milling speed for optimum performance in capacity and extraction.  Low-speed milling is the most appropriate option to achieve optimum performance of a milling tandem.  Mills conventionally operate at a surface speed of 12 m/min to 26 m/min.  However, the circumferential speed for mill tandems in Indian sugar mills varies between 8 m/min and 18 m/min.  Power consumed by each mill in the tandem is proportional to the speed of the respective mill, as torque is almost constant.  A comparative study of conventional high-speed (mill surface speed above 12 m/min) and low-speed…

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