Determination of Optimum Blending Ratio During Coal Blends Combustion

This paper reports the experimental research on combustion and pollution properties of several typical Chinese individual coals and coal blends and the methods determined optimum blending ratios. Thermogravimetry analysis technique and a drop-tube furnace were used to investigate the ignition and bu...

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Published in:Combustion science and technology 2000-08, Vol.157 (1), p.167-184
Main Authors: QIU, JIANRONG, LI, FAN, ZENG, HANCAI, YAO, BIN, MA, YUYI
Format: Article
Language:English
Subjects:
Applied sciences
blending ratio
coal blends
combustion
Combustion of solid fuels
Combustion. Flame
Energy
Energy. Thermal use of fuels
Exact sciences and technology
fuzzy logic approach
NOx emission
slagging
Theoretical studies. Data and constants. Metering
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cited_by cdi_FETCH-LOGICAL-c372t-7198a9afc037111f8cd151f60f6eab701e5cb8f40008a9527a3dca54a496d48a3
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container_end_page 184
container_issue 1
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container_title Combustion science and technology
container_volume 157
creator QIU, JIANRONG
LI, FAN
ZENG, HANCAI
YAO, BIN
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description This paper reports the experimental research on combustion and pollution properties of several typical Chinese individual coals and coal blends and the methods determined optimum blending ratios. Thermogravimetry analysis technique and a drop-tube furnace were used to investigate the ignition and burnout behavior and NOx emission characteristics. Ash chemical composition and fusion temperature was also measured. The effects of the blending ratios on ignition, burnout, slagging and NOx emissions have been analyzed. The fuzzy logic approach has been used to determine the optimum blending ratios based on experimental data which provide a scientific basis for design and operation of power station blending coal. Calculation results were comparable with that of results obtained from combustion test carried out in a boiler simulator furnace.
doi_str_mv 10.1080/00102200008947315
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subjects Applied sciences
blending ratio
coal blends
combustion
Combustion of solid fuels
Combustion. Flame
Energy
Energy. Thermal use of fuels
Exact sciences and technology
fuzzy logic approach
NOx emission
slagging
Theoretical studies. Data and constants. Metering
title Determination of Optimum Blending Ratio During Coal Blends Combustion
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