IGTC-35 AN EXPERIMENTAL STUDY ON SPRAY COMBUSTION OF RESIDUAL FUEL OIL ASSISTED BY GASEOUS FUEL(Session A-11 Combustion V (Heavy Oil))

概要

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To improve the combustion of residual fuel for the gas turbine combustor, a mixed combustion method with gaseous fuel has been examined. Residual fuel oil usually includes a lot of carbon residues and asphaltenes, and is high in viscosity. A twin-fluid atomizer was applied to obtain the good atomization of residual fuel oil. As the atomizing fluid, gaseous fuels such as hydrogen, methane and propane were tried to use instead of conventional steam or air. The stability and characteristics of spray combustion were studied, and also these results were compared with those of air atomizing spray combustion. The combustion of residual fuel oil atomized by gaseous fuels had a good stability and accomplished an important role for the reduction of CO and soot emissions. In particular hydrogen was a most effective atomizing gas in stabilizing the spray flame and reducing CO and soot emissions.
公益社団法人日本ガスタービン学会の論文