Mechanism for generation of peak load on under-bin feeders at processing plants

The authors use physical and DEM modeling to analyze stresses and strains in broken ore discharged from accumulating bins using an apron feeder. It is substantiated that the determinant of the peak load on the feeder and the discharge unit is dilatancy. It is shown that the absolute value of the pea...

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Bibliographic Details
Published in:Journal of mining science 2015-11, Vol.51 (6), p.1077-1084
Main Authors: Kramadzhyan, A. A., Rusin, E. P., Stazhevsky, S. B., Khan, G. N.
Format: Article
Language:English
Subjects:
Bins
Determinants
Discharge
Earth and Environmental Science
Earth Sciences
Feeders
Geomechanics
Geophysics/Geodesy
Geotechnical Engineering & Applied Earth Sciences
Mineral Resources
Peak load
Strain
Structural design
Upgrading
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Summary:The authors use physical and DEM modeling to analyze stresses and strains in broken ore discharged from accumulating bins using an apron feeder. It is substantiated that the determinant of the peak load on the feeder and the discharge unit is dilatancy. It is shown that the absolute value of the peak load is conditioned by physico-mechanical characteristics of discharged ore, structural design of a discharge unit and deformation constraint. The article demonstrates possibility of upgrading one of conventional schemes of discharge unit and shows prospects for new designs.
ISSN:1062-7391
1573-8736
DOI:10.1134/S1062739115060320