| 六角切圆燃烧褐煤煤粉锅炉低Nox燃烧技术研究 |
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| 引用本文： | 秦明,吴少华,孙绍增,孙锐,成庆刚.六角切圆燃烧褐煤煤粉锅炉低Nox燃烧技术研究[J].中国电机工程学报,2005,25(1):0-162. |
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| 作者姓名： | 秦明 吴少华 孙绍增 孙锐 成庆刚 |
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| 作者单位： | 1. 哈尔滨工业大学,黑龙江省,哈尔滨市,150001
2. 龙高科环境工程技术有限公司,黑龙江省,哈尔滨市,150001 |
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| 摘 要： | 为了降低六角切向燃烧褐煤煤粉锅炉的NOx的排放量，文中对一台燃用褐煤的670t／h煤粉锅炉燃烧器、采用水平浓淡燃烧和分级送风技术后，进行了NOx排放特性的工业性试验研究。试验中研究了各种送风方式对NOx排放和燃烧特性的影响。试验表明，采用分级送风和水平浓淡燃烧相结合，NOx排放浓度下降了23％以上，达388．3mg／m^3，而锅炉效率有所提高，低负荷稳燃能力有所加强。
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| 关 键 词： | 煤粉锅炉 低NOx燃烧技术 NOx排放 六角切圆燃烧 切向燃烧 低负荷稳燃 锅炉效率 褐煤 研究 工业性试验 |
| 文章编号： | 0258-8013(2005)01-0158-05 |
| 收稿时间： | 2004-02-18 |
| 修稿时间： | 2004年7月22日 |
LOW NOx EMISSION STUDY FOR SIX POINT TANGENTIAL BURNING OF PC BOILER FIRING LIGNITE COAL |
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| QIN Ming,WU Shao-hua,SUN Shao-zeng,SUN Rui,CHENG Qing-gang.LOW NOx EMISSION STUDY FOR SIX POINT TANGENTIAL BURNING OF PC BOILER FIRING LIGNITE COAL[J].Proceedings of the CSEE,2005,25(1):0-162. |
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| Authors: | QIN Ming WU Shao-hua SUN Shao-zeng SUN Rui CHENG Qing-gang |
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| Affiliation: | QIN Ming1,WU Shao-hua1,SUN Shao-zeng1,SUN Rui1,CHENG Qing-gang2 |
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| Abstract: | For reducing NOx emission of six point tangential burning PC(pulverize coal) boiler firing lignite coal, the paper describe the test study of NOx emission of one 670t/h PC boiler firing lignite coal after it was modified with horizontal lean-rich combustion and air stage feeding technology. The test studied the influence of each kind of air feeding type on NOx emission and combustion. The test showed that through applying air stage technology combining the horizontal lean-rich combustion, the NOx emission of this boiler was reduced above 23%, thus to 388.3mg/m3. Meanwhile, the boiler efficiency kept high and its low rate capacity was improved. |
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| Keywords: | Thermal power engineering Low NOx emission Horizontal lean-rich combustion Air stage feeding PC boiler |
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