Analysis on experiment of reducing NOx mass concentration in boiler flue gas by use of swirl burner

Abstract

Abstract: In coalfired power plant, the coal grade, the primary air ratio, the boiler load and the control of air distribution mode of the burners are important factors influencing on the NOx generation. To adopt the airclassified combustion technology can reduce the concentration of NOx emission. In low load condition, the capability of the swirl horizontal concentrateddiluted pulverized coal burner to control NOx generation is poorer, and this problem was analyzed experimentally. Based on optimization, better economical benefit and social effects were obtained.

Key words: coal-fired boiler, swirl burner, air-classified combustion technology, control, experimental analysis

LI Xianghui;CAO Guodong;ZHAO Dongfang. Analysis on experiment of reducing NOx mass concentration in boiler flue gas by use of swirl burner[J]. Huadian Technology, 2012, 34(9): 70-74.

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Analysis on experiment of reducing NOx mass concentration in boiler flue gas by use of swirl burner

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