Discrete element method simulation of the effect of tumbling time and particle size in a 300-mm diameter mill

Khanal, Manoj and Morrison, Rob (2009) Discrete element method simulation of the effect of tumbling time and particle size in a 300-mm diameter mill. Chemical Engineering and Technology, 32 10: 1630-1634. doi:10.1002/ceat.200900115


Author Khanal, Manoj
Morrison, Rob
Title Discrete element method simulation of the effect of tumbling time and particle size in a 300-mm diameter mill
Journal name Chemical Engineering and Technology   Check publisher's open access policy
ISSN 0930-7516
1521-4125
Publication date 2009-10
Sub-type Article (original research)
DOI 10.1002/ceat.200900115
Volume 32
Issue 10
Start page 1630
End page 1634
Total pages 5
Place of publication Weinheim, Germany
Publisher Wiley
Language eng
Abstract This paper investigates ore abrasion resistance using a small tumbling mill. Three kilograms of different size fractions of ore are tumbled in a 300-mm diameter by 300-mm length mill for varying times. The effect of particle size, milling time and stiffness of particles on abrasion characteristics were studied. As might be expected, the grinding time affects the degree of abrasion of particles. Longer grinding times produce more fragments. The size and stiffness of particles also affect the degree of abrasion. For the same quantity of mass, smaller particles (more in number) show more collisions and, hence, a higher probability of abrasion.
Keyword Abrasion
DEM
Mill
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ
Additional Notes Published under 'Communications'

Document type: Journal Article
Sub-type: Article (original research)
Collection: Julius Kruttschnitt Mineral Research Centre Publications
 
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Created: Mon, 23 Nov 2009, 15:29:38 EST