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借助循环流化床在高过剩空气系数下燃烧提供高温低氧空气的工艺,在直径为220 mm高为3000 mm的实验台上研究褐煤、烟煤和无烟煤在高温低氧空气下的燃烧特性和氮氧化物生成特性.实验结果表明,褐煤、烟煤和无烟煤在高温低氧空气下燃烧稳定性好,温度波动小;高温低氧的气氛降低了褐煤、烟煤、尤其是无烟煤燃烧的氮氧化物排放;褐煤、烟煤和无烟煤燃烧的氮氧化物排放值分别为440 mg/m3,390 mg/m3和332 mg/m3.

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