B-20 デュアル燃料焚き低NOx燃焼器用モデルバーナの燃料多様化技術の検討(燃焼IV,一般講演)

概要

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Hitachi has been developed a dual fuel dry low NOx combustor for Gas-to-Wire (GTW) Power generation system. For GTW Power generation system, fuel flexibility is one of the most important characteristics for gas turbine combustor because fuel properties depend on gas field, so fuel flexibility of a model burner for dual fuel dry low NOx combustor was experimentally investigated using high pressure combustion test facility. To change fuel properties, blended fuel of heavy oil A and heavy oil C were used. As a result, NOx emission was linearly increased as increase in the ratio of heavy oil C, from 35 ppmv (15%O_2) of heavy oil A to 59 ppmv (15%O_2) of blended fuel of 15% heavy oil C. In addition, mass of cokes were linearly increase as increase in the ratio of heavy oil C.
2008-10-01