Evaluation of the batch press as a laboratory tool to simulate medium-pressure roller crushers
Journal of the Southern African Institute of Mining and Metallurgy
Kumba Iron Ore, South Africa; Department of Materials Science and Metallurgical Engineering, University of Pretoria, Pretoria, South Africa
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. © The Southern African Institute of Mining and Metallurgy, 2012.
Energy requirements; Product sizes; Roller mills; Roller press; Simulation; Size parameters; Comminution; Crushers; Crushing; Electric load forecasting; Energy utilization; Forecasting; Grinding (comminution); Particle size analysis; Size distribution; Presses (machine tools)