Model based procedure for scale-up of wet overflow ball mills Part 1: Outline of the methodology

Man, Y. T. (2001) Model based procedure for scale-up of wet overflow ball mills Part 1: Outline of the methodology. Minerals Engineering, 14 10: 1237-1246. doi:10.1016/S0892-6875(01)00140-6


Author Man, Y. T.
Title Model based procedure for scale-up of wet overflow ball mills Part 1: Outline of the methodology
Journal name Minerals Engineering   Check publisher's open access policy
ISSN 0892-6875
Publication date 2001-10-01
Sub-type Article (original research)
DOI 10.1016/S0892-6875(01)00140-6
Volume 14
Issue 10
Start page 1237
End page 1246
Total pages 10
Editor B. A. Wills
Place of publication Oxford, UK
Publisher Pergamon Press
Collection year 2001
Language eng
Subject C1
290702 Mineral Processing
640304 Concentrating processes of other base metal ores
Abstract Bond's method for ball mill scale-up only gives the mill power draw for a given duty. This method is incompatible with computer modelling and simulation techniques. It might not be applicable for the design of fine grinding ball mills and ball mills preceded by autogenous and semi-autogenous grinding mills. Model-based ball mill scale-up methods have not been validated using a wide range of full-scale circuit data. Their accuracy is therefore questionable. Some of these methods also need expensive pilot testing. A new ball mill scale-up procedure is developed which does not have these limitations. This procedure uses data from two laboratory tests to determine the parameters of a ball mill model. A set of scale-up criteria then scales-up these parameters. The procedure uses the scaled-up parameters to simulate the steady state performance of full-scale mill circuits. At the end of the simulation, the scale-up procedure gives the size distribution, the volumetric flowrate and the mass flowrate of all the streams in the circuit, and the mill power draw.
Keyword Comminution
grinding
modelling
simulation
Q-Index Code C1

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Mechanical & Mining Engineering Publications
 
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Created: Wed, 15 Aug 2007, 01:33:47 EST