Comparative Laboratory Studies of Conventional and Electrodynamic Fragmentation of an Industrial Mineral

Comparative Laboratory Studies of Conventional and Electrodynamic Fragmentation of an Industrial... In order to address comminution efficiency, which could be defined as the increase in mass specific surface against net specific energy input, the energy consumption of an industrial mineral with and without pre-weakening by high voltage pulses covering the same size range were compared. The three tested comminution sequences consisted of a laboratory jaw crusher or pilot scale high voltage pulse machine at two different circulating loads, a laboratory crusher and two tumbling mills of differing grinding media; all being operated following the principles of energy optimized comminution according to the OCS-method. The first results indicate that possible energy reduction by electrodynamic pre-weakening is available in the immediately subsequent, but not in further conventional comminution stages for the tested industrial mineral. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png BHM Berg- und H�ttenm_nnische Monatshefte Springer Journals

Comparative Laboratory Studies of Conventional and Electrodynamic Fragmentation of an Industrial Mineral

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Publisher
Springer Vienna
Copyright
Copyright © 2017 by The Author(s)
Subject
Earth Sciences; Mineral Resources
ISSN
0005-8912
eISSN
1613-7531
D.O.I.
10.1007/s00501-017-0638-z
Publisher site
See Article on Publisher Site

Abstract

In order to address comminution efficiency, which could be defined as the increase in mass specific surface against net specific energy input, the energy consumption of an industrial mineral with and without pre-weakening by high voltage pulses covering the same size range were compared. The three tested comminution sequences consisted of a laboratory jaw crusher or pilot scale high voltage pulse machine at two different circulating loads, a laboratory crusher and two tumbling mills of differing grinding media; all being operated following the principles of energy optimized comminution according to the OCS-method. The first results indicate that possible energy reduction by electrodynamic pre-weakening is available in the immediately subsequent, but not in further conventional comminution stages for the tested industrial mineral.

Journal

BHM Berg- und H�ttenm_nnische MonatshefteSpringer Journals

Published: Jul 26, 2017

References

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