Acoustic monitoring of mill pulp density
Date
2020
Authors
Owusu, K.B.
Karageorgos, J.
Greet, C.
Zanin, M.
Skinner, W.
Asamoah, R.K.
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Conference paper
Citation
UMaT Biennial International Mining and Mineral Conference, 2020, pp.1-8
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6th UMaT Biennial International Mining and Mineral Conference (5 Aug 2020 - 6 Aug 2020 : Tarkwa, Ghana)
Abstract
Acoustic sensing measurement technique is of interest as an alternative tool for online monitoring of mill internal operationdue to the mill hostile environment. In this paper, acoustic sensor has been utilised in a laboratory batch ball mill operation toinvestigate the effect of pulp density dynamics (50, 57, 61 and 67 wt. % solids). The results showed good acoustic responsewith changing mill pulp density. The mill product size distributions were statistically the same for the investigated pulpdensities. While subtle differences occur between some selected pulp densities, sudden change in acoustic response occurs atcertain pulp density thresholds. Acoustic sensor shows potential and promise for detecting mill internal events, monitoring ballmill pulp density dynamics, and controlling performance.
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Copyright 2020 The author(s)