Relationship of Coal-Ash Viscosity to Chemical Composition

[+] Author and Article Information
W. L. Sage, J. B. McIlroy

Fuels Section, Chemical Laboratory, The Babcock & Wilcox Company, Research Center, Alliance, Ohio

J. Eng. Power 82(2), 145-153 (Apr 01, 1960) (9 pages) doi:10.1115/1.3672737 History: Received July 20, 1959; Online January 10, 2012


This paper discusses information on coal-ash behavior in the temperature range suitable for liquid ash removal and shows how this is related to boiler design and fuel characteristics. A description of a method for predicting slag viscosity from ash analysis and fusion temperatures is given. Also, a method is shown for predicting the flux requirements to obtain desired slag flow characteristics from an unsatisfactory fuel.

Copyright © 1960 by ASME
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