An energy-based model for swing hammer mills

Shi, F. N., Kojovic, T., Esterle, J. S. and David, D. (2003) An energy-based model for swing hammer mills. International Journal of Mineral Processing, 71 1-4: 147-166.


Author Shi, F. N.
Kojovic, T.
Esterle, J. S.
David, D.
Title An energy-based model for swing hammer mills
Journal name International Journal of Mineral Processing   Check publisher's open access policy
ISSN 0301-7516
Publication date 2003
Sub-type Article (original research)
DOI 10.1016/S0301-7516(03)00035-8
Volume 71
Issue 1-4
Start page 147
End page 166
Total pages 20
Editor R. P. King
Place of publication Netherlands
Publisher Elsevier
Collection year 2003
Language eng
Subject C1
290702 Mineral Processing
650302 Coal
Abstract An energy-based swing hammer mill model has been developed for coke oven feed preparation. it comprises a mechanistic power model to determine the dynamic internal recirculation and a perfect mixing mill model with a dual-classification function to mimic the operations of crusher and screen. The model parameters were calibrated using a pilot-scale swing hammer mill at various operating conditions. The effects of the underscreen configurations and the feed sizes on hammer mill operations were demonstrated through the fitted model parameters. Relationships between the model parameters and the machine configurations were established. The model was validated using the independent experimental data of single lithotype coal tests with the same BJD pilot-scale hammer mill and full operation audit data of an industrial hammer mill. The outcome of the energy-based swing hammer mill model is the capability to simulate the impact of changing blends of coal or mill configurations and operating conditions on product size distribution. Alternatively, the model can be used to select the machine settings required to achieve a desired product. (C) 2003 Elsevier Science B.V. All rights reserved.
Keyword Engineering, Chemical
Mineralogy
Mining & Mineral Processing
Swing Hammer Mill
Model
Coal
Comminution
Crushing
Kinetics
Q-Index Code C1

 
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