Characteristics of Pulverized-Coal Combustion in CO_2-Recovery Power Plant Applied O_2 / CO_2 Combustion

概要

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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 O_2 / CO_2, O_2 / N_2 and O_2 / Ar atmosphere. NO_x and SO_2 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 CO_2-recovery, pulverized-coal power plant combined with amine absorption process.
一般社団法人日本機械学会の論文
1998-11-15