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通过冷态PDA试验,对不同中心风率下径向浓淡旋流煤粉燃烧器出口的速度及浓度场进行了测量,得出了中心风对燃烧器出口气固流动特性的影响;工业性热态试验研究了中心风对燃烧器出口温度及烟气气氛的影响,得出了中心风对燃烧和NO。排放的影响规律,为设计和运行提供了参考性依据。
The cold PDA test was used to measure the velocity and concentration field at the outlet of radial phlegm-swirling pulverized coal burners under different central wind rates and the influence of central wind on the gas-solid flow characteristics at the exit of the combustor was obtained. The industrial heat The effect of center wind on outlet temperature of flue gas burner and flue gas atmosphere was studied experimentally, and the influence of center wind on combustion and NO was obtained. The impact of emissions rules provides a reference for the design and operation.