Breakage of coals in ring-roller mills Part 2. An unsteady-state simulation model

A mathematical model has been developed for predicting unsteady behavior of a ring-roller mill. The model is based on specific rates of breakage, primary breakage distributions, classification actions of particles in the mill and mass transport relation of mill hold-up and flow rates through the mil...

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Bibliographic Details
Published in:Powder technology 1998-09, Vol.99 (1), p.46-52
Main Authors: Shoji, K., Meguri, N., Sato, K., Kanemoto, H., Hasegawa, T., Maruyama, T.
Format: Article
Language:English
Subjects:
Applied sciences
Breakage distribution
Breakage rates
Coal and derived products
Energy
Exact sciences and technology
Fuels
Mass transport
Mechanical preparation
Mill flow rates
Mill hold-up
Particle behavior
Processing
Ring-roller miller
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Summary:A mathematical model has been developed for predicting unsteady behavior of a ring-roller mill. The model is based on specific rates of breakage, primary breakage distributions, classification actions of particles in the mill and mass transport relation of mill hold-up and flow rates through the mill. The validity of the model was verified by pilot mill testing. Transient behavior of the mills during rapid changes of load, feed and operating conditions were then demonstrated.
ISSN:0032-5910
1873-328X
DOI:10.1016/S0032-5910(98)00089-8