JSME International Journal Series B Fluids and Thermal Engineering
Online ISSN : 1347-5371
Print ISSN : 1340-8054
ISSN-L : 1340-8054
Characteristics of Pulverized-Coal Combustion in CO2-Recovery Power Plant Applied O2 / CO2 Combustion
Toshihiko YAMADATakashi KIGAMasafumi OKAWAKoji OMATANaokazu KIMURAKazushige ARAITakashi MORIMutsuo KATO
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1998 Volume 41 Issue 4 Pages 1017-1022

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Abstract

The system of oxygen / recycled flue gas combustion for the removal of carbon dioxide from pulverized-coal fired power plants, the combustion characteristics of pulverized coal, and the trial designing of a 1000 MWe pulverized-coal power plant were studied. The flame propagation speed of pulverized-coal cloud was measured in a microgravity combustion chamber at O2 / CO2, O2 / N2 and O2 / Ar atmosphere. NOx and SO2 emissions from the system were investigated in the industrial-scale combustion test facilities. Based on these results and the previous works, the trial designing of a 1000 MWe pulverized-coal fired power plant applying this combustion system was also studied. As for the heat absorption performance of the boiler furnace, a 3-dimensional numerical analysis was applied to a large utility boiler furnace. It was compared with another promising system CO2-recovery, pulverized-coal power plant combined with amine absorption process.

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© The Japan Society of Mechanical Engineers
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