Performance testing and economy evaluation of induced draft fan transition to turbinedriven mode

Abstract

Abstract: Abstract:After installing denitration equipment to a super critical 630MW unit of a power plant, resistance in airgas system was increased. Therefore, the induced draft fan got transformed form motordriven mode to steam driven mode. The paper introduced smallscale turbine thermal cycle system of reformed induced draft fan and the respective performance experiment, analyzed the internal efficiency of small turbine under different load levels. After the reformation, the whole system is sable and safe, with working capability enhanced. In this way, the electricity and coal consumption of the plant can be largely reduced, while the grid power and annual revenue will rise.

Key words: Keywords:steamdriven induced draft fans；thermal cycle system, internalefficiency, economy, coal consumption, revenue

DU Yaqin1，YANG Xueping1，WANG Yin2. Performance testing and economy evaluation of induced draft fan transition to turbinedriven mode[J]. Huadian Technology, 2015, 37(3): 1-4.

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Performance testing and economy evaluation of induced draft fan transition to turbinedriven mode

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