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Journal of the Southern African Institute of Mining and Metallurgy

versão On-line ISSN 2411-9717
versão impressa ISSN 0038-223X

Resumo

VAN SCHOOR, J.C.R  e  SANDENBERGH, R.F. Evaluation of the batch press as a laboratory tool to simulate medium-pressure roller crushers. J. S. Afr. Inst. Min. Metall. [online]. 2012, vol.112, n.3, pp.185-196. ISSN 2411-9717.

In this study the applicability of a batch press to predict the energy consumption and particle size distributions for medium-pressure roller presses was investigated. The relationships between energy consumption, feed size and product size are discussed with reference to Hukki's interpretation of Bond's and Rittinger's laws, as well as the particle size parameter used. It was found that the comminution laws have limited utility for the characterization of the performance of the medium-pressure roller crushers or the batch press used, and also depend on the particle size distribution indicator used. It was also found that the batch press is not a suitable simulator for medium-pressure roller mills as it was not able to predict the energy requirements, or to predict the size distributions that would be obtained for the ores evaluated.

Palavras-chave : batch press; roller crushers; comminution; crushing; simulation.

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