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Crushing Properties of Coal 2. Binary Coal Blends

Crushing Properties of Coal 2. Binary Coal Blends The Hardgrove grindability index HGI of binary coal blends is determined. The blends contain coal of different metamorphic development in different proportions. Mathematical formulas permit prediction of HGI for a coal blend on the basis of the grinding indices for its individual components. For a binary coal blend with separate preparation of the components, HGI is found to exceed the calculated value (by 3.6, on average). For a blend with integrated preparation of the components, it is less than the calculated value (by 3.6, on average). Crushing of the whole batch is found to require more energy than differential crushing of the batch components. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Coke and Chemistry Springer Journals

Crushing Properties of Coal 2. Binary Coal Blends

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References (15)

Publisher
Springer Journals
Copyright
Copyright © Allerton Press, Inc. 2020. ISSN 1068-364X, Coke and Chemistry, 2020, Vol. 63, No. 11, pp. 513–518. © Allerton Press, Inc., 2020. Russian Text © The Author(s), 2020, published in Koks i Khimiya, 2020, No. 11, pp. 2–8.
ISSN
1068-364X
eISSN
1934-8398
DOI
10.3103/S1068364X20110046
Publisher site
See Article on Publisher Site

Abstract

The Hardgrove grindability index HGI of binary coal blends is determined. The blends contain coal of different metamorphic development in different proportions. Mathematical formulas permit prediction of HGI for a coal blend on the basis of the grinding indices for its individual components. For a binary coal blend with separate preparation of the components, HGI is found to exceed the calculated value (by 3.6, on average). For a blend with integrated preparation of the components, it is less than the calculated value (by 3.6, on average). Crushing of the whole batch is found to require more energy than differential crushing of the batch components.

Journal

Coke and ChemistrySpringer Journals

Published: Mar 11, 2021

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