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OALib Journal期刊
ISSN: 2333-9721
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2台国产300mw循环流化床锅炉混煤掺烧及性能试验对比
, PP. 41-45
Keywords: cfb锅炉,混煤掺烧,钙硫摩尔比,污染物排放,脱硫效率
Abstract:
以新投产的2台国产300mw循环流化床(cfb)锅炉为研究对象,对混煤掺烧,钙硫摩尔比以及负荷变化对脱硫效率、so2和nox排放特性的影响进行了试验研究。结果表明:在混煤掺烧中,随着煤质热值的降低,锅炉热效率呈降低趋势;随着钙硫摩尔比的提高,脱硫效率呈增大趋势,但钙硫摩尔比超过3.0后,脱硫效率变化不大,同时so2呈降低趋势,nox排放浓度呈增大趋势;锅炉在80%负荷时,锅炉热效率最高,随着负荷的降低,so2和nox排放浓度均呈降低趋势。
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