| 燃用高硫无烟煤水泥熟料生产线分级燃烧应用实例 |
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| 引用本文： | 成舒望,桑圣欢,吴涛,罗超,冯京.燃用高硫无烟煤水泥熟料生产线分级燃烧应用实例[J].水泥技术,2020(3):70-73. |
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| 作者姓名： | 成舒望 桑圣欢 吴涛 罗超 冯京 |
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| 作者单位： | 南京凯盛国际工程有限公司 |
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| 摘 要： | 分析了水泥窑NOX的形成机理,介绍了分煤、分料、分风等分级燃烧技术的特点。西南某生产线分级燃烧测试结果表明,燃用高硫无烟煤的水泥熟料生产线NOx初始排放浓度高,分级燃烧降低了水泥熟料生产线SNCR脱硝前的NOx浓度,减轻了SNCR的脱硝压力,分级燃烧效率均值在16.38%,分级燃烧后、SNCR前的NOX平均值为1378.66mg/m^3(标)。
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| 关 键 词： | 水泥工业 高硫无烟煤 NOx 分级燃烧 |
Application of Staged Combustion of High Sulfur Anthracite in Cement Clinker Production line |
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| CHENG Shuwang,SANG Shenghuan,WU Tao,LUO Chao,FENG Jing.Application of Staged Combustion of High Sulfur Anthracite in Cement Clinker Production line[J].Cement Technology,2020(3):70-73. |
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| Authors: | CHENG Shuwang SANG Shenghuan WU Tao LUO Chao FENG Jing |
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| Affiliation: | (Nanjing Kisen International Engineering Co.,Ltd.,Nanjing Jiangsu 210036,China) |
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| Abstract: | The formation mechanism of NOx in cement kilns is analyzed,and the characteristics o staged combustion technologies such as coal separation,material separation and air separation are introduced.The results of the staged combustion test of a production line in southwestern China show that the initial NOx emission concentration of the cement clinker production line burning high-sulfur anthracite is high,and the staged combustion reduces the NOx concentration before the SNCR of the cement clinker production line,and reduces the denitration load of the SNCR.The average value o staged combustion is 16.38%,and the average value of NOx before SNCR is 1378.66 mg/Nm^3. |
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| Keywords: | cement industry high sulfur anthracite NOx staged combustion |
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