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RESEARCH PAPERS

Laboratory Combustibility Testing of Solid Fuel

[+] Author and Article Information
E. C. Winegartner, C. J. Lin

EXXON Research and Engineering, Synthetic Fuels Research Laboratory, P.O. Box 4255, Baytown, TX 77520

J. Eng. Power 102(3), 666-671 (Jul 01, 1980) (6 pages) doi:10.1115/1.3230323 History: Received August 02, 1979; Online September 28, 2009

Abstract

A laboratory furnace having a controlled wall temperature is used to measure the combustibility of coal and other solid fuels. Operation at wall temperatures of 1260–1370°C (2300°–2500° F) permits determination of percent carbon burnout as a function of residence time and excess oxygen under furnace conditions representative of those encountered in large boilers. Operation at decreasing wall temperatures provides information on flame stability under conditions approaching those encountered under low load conditions in operating boilers. Firing rates are generally in the range of 11.7–29.3 KWt (40–100k BTU/hr) permitting testing of 100–150 kg (200–300 lb.) samples which can reasonably be obtained by core drilling or from small pilot units.

Copyright © 1980 by ASME
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