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锅炉氧煤无焰燃烧技术分析 被引量：5

Analysis of Oxy-coal Flameless Combustion
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摘要 氧煤燃烧是一种全新燃烧方式,将氧煤燃烧器的表观氧气浓度从30%提高到50%、将O2/CO2混合气改变为纯氧气与再循环CO2烟气分离、将喷嘴速度从50m/s左右提高到200m/s左右组织炉膛烟气形成高倍率内循环,从而在炉膛内实现高温低氧的氧煤无焰燃烧状态,氧煤无焰燃烧技术能实现煤粉高效燃烧和较低NO浓度排放的统一,锅炉将不需要脱硝设备就可满足NOx排放限值200mg/Nm3的严格环保标准。 Oxy-coal combustion is a whole new firing way.The apparent oxygen concentration of burners will be increased from about 30% to about 50%,and pure oxygen flow will be separated from external circulating CO_2 gas,also the velocity in nozzles will be raised from about 50m/s to about 200m/s,the oxy-coal burner forms intense gas inner circulating with high rate in the furnace,therefor oxy-coal flameless combustion achieves in high temperature and low oxygen concentration.The technique can coordinate high efficient combustion with low NO_x emission.Boiler will satisfy strictly environmental protect emission standard 200 mg/Nm^3 without installation of deNO_x devices.
作者 安恩科 余晓艳 刘若晨
机构地区 同济大学机械与能源工程学院
出处 《锅炉技术》 北大核心 2012年第1期42-44,共3页 Boiler Technology
关键词 氧煤燃烧 有焰燃烧 无焰燃烧 内循环 oxy-coal combustion flame combustion flameless combustion inner circulating
分类号 TK224.1 [动力工程及工程热物理—动力机械及工程]
  • 相关文献

参考文献9

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二级参考文献9

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共引文献4

同被引文献56

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引证文献5

二级引证文献3

锅炉技术
2012年 第1期

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