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含氮废气分级燃烧参数对污染物排放的影响

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为了获得高效清洁的燃烧方式,使用CHEMKIN软件对含氮废气分段焚烧炉的运行参数进行了详细研究.结果表明:过量空气系数存在一个最优区间,较低的过量空气系数不能使还原段升高到足够高的温度,过高的过量空气系数使还原段的还原效果减弱,都会导致较高的污染物排放;延长还原段停留时间有利于降低污染物排放;再燃效果受过量空气系数和炉内温度的制约.
Effects of Staged Combustion Parameters of Nitrogen-Containing Waste Gas on Pollutant Emissions
In order to obtain efficient and clean combustion mode,a detailed study was conducted on the operating parameters of a segmented incinerator for nitrogen-containing waste gas using CHEMKIN software.The results show that there is an optimal range of excess air coefficient.A lower excess air coefficient cannot raise the reduction section to a sufficiently high temperature,and an excessively high excess air coefficient can weaken the reduction effect of the reduction section,leading to higher pollutant emissions.Extending the residence time of the reduction section is beneficial for reducing pollutant emissions;The effect of reburning is constrained by the excess air coefficient and the temperature inside the furnace.

nitrogen-containing waste gasincineratorNOxoperating parameterpollutant emission

匡玉成、杨庆辉、殷义、刘静

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北京航化节能环保技术有限公司,北京 100176

含氮废气 焚烧炉 NOx 运行参数 污染物排放

2024

工业炉
机械工业第五设计研究院

工业炉

CSTPCD
影响因子:0.288
ISSN:1001-6988
年,卷(期):2024.46(3)