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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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掺烧污泥煤粉锅炉燃烧特性的数值模-
, PP. 28-33
Keywords: 锅炉,煤,污泥,混烧,燃烧特性,数值模拟
Abstract:
采用单、双混合分数/pdf模型,对某台420t/h四角切圆燃烧锅炉燃烧单煤和掺烧生活污泥进行了数值模拟,研究了炉内流动、燃烧和污染物排放特性。结果表明,在相同条件下燃烧单煤，锅炉70%负荷和100%负荷工况下的模拟数据与现场试验数据相符合；锅炉100%负荷下煤泥混烧时的nox排放浓度低于燃烧单煤工况,随着污泥掺混比的增加煤粉燃尽率稍有下降,炉膛整体温度分布和烟气组分分布大致相同,对炉内流动、燃烧和污染物排放特性不会产生明显影响。
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