Milling efficiency and wear behavior of silicon grinding media in autogenous stirred media milling

Möller, Marcel Filipe; Peppersack, Christoph; Kwade, Arno

doi:10.1016/j.mineng.2024.108785

Minerals Engineering

2024

DOI: 10.1016/j.mineng.2024.108785

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Milling efficiency and wear behavior of silicon grinding media in autogenous stirred media milling

Marcel Filipe Möller,

Christoph Peppersack,

Arno Kwade

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Investigating the Influence of Medium Size and Ratio on Grinding Characteristics

Fang,

Wu,

Liao

et al. 2024

Minerals

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This study explores the effect of steel ball size and proportion on mineral grinding characteristics using Discrete Element Method (DEM) simulations. Based on batch grinding kinetics, this paper analyzes the contact behavior during grinding, discussing particle breakage conditions and critical breakage energy. The results indicate that while increasing the size of the steel balls leads to higher collision energy, the collision probability decreases significantly; the opposite is true for smaller steel balls. Simulation results with different ball size combinations show that increasing the proportion of smaller balls does not significantly change the collision energy but greatly increases the collision probability, providing a basis for optimizing ball size distribution to improve grinding performance. Furthermore, appropriately increasing the proportion of smaller balls can reduce fluctuations in grinding energy consumption, thereby enhancing collision energy and collision probability while reducing energy costs. Liner wear results demonstrate that larger ball sizes increase liner wear, but different ball size combinations can effectively distribute the forces on the liner, reducing wear.

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Investigating the Influence of Medium Size and Ratio on Grinding Characteristics

Fang,

Wu,

Liao

et al. 2024

Minerals

View full text Add to dashboard Cite

show abstract

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Milling efficiency and wear behavior of silicon grinding media in autogenous stirred media milling

Cited by 1 publication

References 60 publications

Investigating the Influence of Medium Size and Ratio on Grinding Characteristics

Investigating the Influence of Medium Size and Ratio on Grinding Characteristics

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