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Study on flow fields of centrally fuel rich swirl burner and its applications
Zhichao Chen,Zhengqi Li,Jianping Jing,Lizhe Chen,Shaohua Wu,Yang Yao 한국화학공학회 2009 Korean Journal of Chemical Engineering Vol.26 No.5
Experiments on a single-phase test facility were done to optimize primary air outlet cones of a centrally fuel rich swirl coal combustion burner. On the basis of optimized results from the single-phase test, a three-component particle-dynamics anemometer was used to measure, in the near-burner region, the characteristics of gas/particle two-phase flows for the burner with two primary air outlet cones, on a gas/particle two-phase test facility. Velocities, RMS velocities and particle volume flux profiles were obtained. According to the results, the primary air outlet cone structure of the centrally fuel rich burner was matching a 670 ton per hour boiler. The performance of the burner on a 670 ton per hour boiler was studied.