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Publisher: Elsevier
Languages: English
Types: Article
Subjects:
The feasibility of the discrete element method to model the performance of a cone crusher comminution machine has been explored using the particle replacement method (PRM) to represent the size reduction of rocks experienced within a crusher chamber. In the application of the PRM method, the achievement of a critical octahedral shear stress induced in a particle was used to define the breakage criterion. The breakage criterion and the number and size of the post breakage progeny particles on the predicted failure of the parent particles were determined from the results of an analysis of the experimental data obtained from diametrical compression tests conducted on series of granite ballast particles. The effects of the closed size setting (CSS) and eccentric speed settings on the predicted product size distribution compare favourably with the available data in the literature.
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    • Gauldie, K. (1953) Performance of Jaw Crushers, Engineering, 456-458, October 9, 485-486, October 16, 1953 Ginsberg, H.H., and Genin, J. (1984) Dynamics, Second Edition. New York: John Wiley and Sons.
    • Herbst, J. A., Lo, Y. C., & Flintoff, B. (2003). Size reduction and liberation. Principles of Mineral Processing, MC Fuerstenau and KN Han (eds.), Society of Mining, Metallurgy and Exploration, Littleton, CO, 61-118.
    • Hulthen, E. (2010). Real-time optimization of cone crushers. PhD thesis. Chalmers University of Technology.
    • Itasca Consulting Group (2008), Inc. PFC3D (Particle Flow Code in Three Dimensions), version 3.0.
    • Lang, B.X. (1998) The Cone Crusher (first ed.)Mechanical Industry Publishing Company, Beijing Lee, D. M. (1992). The angles of friction of granular fills. PhD dissertation, University of Cabridge Lichter, J., Lim, K., Potapov, A., & Kaja, D. (2009). New developments in cone crusher performance optimization. Minerals Engineering, 22(7), 613-617.
    • Lobo-Guerrero, S. & Vallejo, L. E. (2005). Crushing a weak granular material: experimental numerical analyses. Geotechnique55, No. 3, 245-249, McDowell, G. R., & Amon, A. (2000). The application of Weibull statistics to the fracture of soil particles. Soils and foundations,40(5), 133-141.
    • McDowell, G.R. and Bolton, M.D. (1998). On the micro mechanics of crushable aggregates.
    • Geotechnique 48, No. 5, 667-679 1
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