Development of a 16-MWth Coal-Water/Heavy Oil Burner for Front-Wall Firing

[+] Author and Article Information
K. V. Thambimuthu, H. Whaley

EMR Canada/CANMET, Ottawa, Canada

A. Bennett, K. A. Jonasson

NRC Canada, Ottawa, Canada

J. Energy Resour. Technol 112(2), 136-141 (Jun 01, 1990) (6 pages) doi:10.1115/1.2905720 History: Received May 02, 1988; Revised August 15, 1989; Online April 16, 2008


The Canadian program of coal-water fuel (CWF) technology development has included the demonstration of “commercial” burners for CWF in both coal and oil-designed utility boilers. The demonstrations clearly showed that these burners were prototypes, and were, in fact, modified oil burners that were mismatched to the rheological properties of the CWF. As the demonstrations were proceeding, a simultaneous research program was undertaken by the Canada Centre for Mineral and Energy Technology (CANMET) of Energy, Mines and Resources (EMR) Canada in which the basic principles governing atomization and combustion of CWF were studied. Key results from the fundamental studies which led to the development of a novel prototype dual fuel CWF/oil burner are described. In the various stages of development, the burner was scaled up from 1.5 MWth to an industrial scale of 16MWth for demonstration in a 20-MW(e) oil-designed industrial utility boiler and for a single-burner commercial operation in an oil designed package steam boiler. A brief summary of the burner performance in these demonstrations is also given in this paper.

Copyright © 1990 by The American Society of Mechanical Engineers
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