Optimisation of the secondary ball mill using an on-line ball and pulp load sensor – The Sensomag |
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Authors: | Pratish Keshav Bernard de Haas Benoit Clermont Aubrey Mainza Michael Moys |
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Affiliation: | 2. Departamento de Patología Animal, Universidad Nacional de Río Cuarto, Río Cuarto 5800, Argentina;3. Facultad de Agronomía, Universidad de Buenos Aires, Buenos Aires 1417, Argentina;4. Department of Animal Sciences, The Ohio State University, Wooster 44691 |
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Abstract: | The ball load and pulp load have a significant influence on the ball mill product size and production capacity. To improve the circuit performance at industrial scale these variables must be tweaked to levels where the plant can get grind and capacity benefits. In most grinding circuits the influence of these variables are not quantified because it is difficult to obtain precise measurements of the pulp load for an industrial scale mill and the conventional method of obtaining ball load measurements that involves crash stops is not attractive. A comprehensive investigation was performed on an industrial scale mill to quantify the effects of both ball and pulp load. A wide range of ball and pulp loads were tested and the findings are reported in this paper. The Sensomag, a sensor developed by Magotteaux, was used to obtain ball and pulp load measurements during the experimental work. |
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