Atomization of Coal-Water Slurry Using a Pulse Combustor

Update item information
Title Atomization of Coal-Water Slurry Using a Pulse Combustor
Creator Shaw, David W.; Richards, George A.
Publisher Digitized by J. Willard Marriott Library, University of Utah
Date 1989
Spatial Coverage presented at Short Hills, New Jersey
Abstract Preliminary experiments using a propane fired pulse combustor to atomize coal water slurry (CWS) have shown that the size distribution of the particles in the slurry can essentially be recovered by this atomization method. This technique addresses the significant practical problem of delivery and atomization of CWS fuels. Conventional airblast atomizers typically require air to liquid ratios of 0.5:1 or more, and pressure ratios of around 2:1. For proposed coal-fired gas turbines this can be a significant factor in compressor sizing, and also lowers the effective combustion air temperature when using cool atomizing air. Calculations for a simple cycle have shown that efficiency of a coal fired gas turbine system can be moderately improved by elimination of the extra boost compressor required for airblast atomization. Even with the high pressure ratios airblast atomizers produce droplets which are agglomerates of several smaller coal particles from the finely ground coal in the slurry.
Type Text
Format application/pdf
Language eng
Rights This material may be protected by copyright. Permission required for use in any form. For further information please contact the American Flame Research Committee.
Conversion Specifications Original scanned with Canon EOS-1Ds Mark II, 16.7 megapixel digital camera and saved as 400 ppi uncompressed TIFF, 16 bit depth.
Scanning Technician Cliodhna Davis
Metadata Cataloger Kendra Yates
ARK ark:/87278/s6r213z6
Setname uu_afrc
Date Created 2012-04-20
Date Modified 2012-09-05
ID 5680
Reference URL https://collections.lib.utah.edu/ark:/87278/s6r213z6