| 大型四角喷燃锅炉烟温、汽温偏差的数值研究 |
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| 引用本文： | 徐明厚,袁建伟,丁士发,曹汉鼎.大型四角喷燃锅炉烟温、汽温偏差的数值研究[J].华中科技大学学报(自然科学版),1997(5). |
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| 作者姓名： | 徐明厚 袁建伟 丁士发 曹汉鼎 |
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| 作者单位： | 上海发电设备成套设计研究所 |
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| 基金项目： | 国家重大技术装备“八五”科技攻关项目 |
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| 摘 要： | 对大型四角切向喷燃锅炉中由于燃烧器四角布置带来的炉内燃烧不均匀性引起的炉膛出口烟温偏差大，以至引起锅炉主蒸汽和再热蒸汽温度偏差较大的原因进行了数值研究，探讨了不同燃烧条件下一、二次风旋转方向、屏式过热器、二次风切圆直径等对烟温偏差的影响，提出了改进措施
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| 关 键 词： | 煤燃烧 烟温、汽温偏差 数值计算 |
Analysis and Numerical Simulation of the Flue Gas and Steam Temperature Deviation in Large Tangential Jet Fired Boilers |
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| Xu Minghou National Lab. of Coal Combustion,HUST,Wuhan ,China. Yuan Jianwei Ding Shifa Cao Handin.Analysis and Numerical Simulation of the Flue Gas and Steam Temperature Deviation in Large Tangential Jet Fired Boilers[J].JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.NATURE SCIENCE,1997(5). |
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| Authors: | Xu Minghou National Lab of Coal Combustion HUST Wuhan China Yuan Jianwei Ding Shifa Cao Handin |
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| Institution: | Xu Minghou National Lab. of Coal Combustion,HUST,Wuhan 430074,China. Yuan Jianwei Ding Shifa Cao Handin |
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| Abstract: | Based on the coal fired boiler of a 300MW set in Shiheng Power Plant, Shandong Province and another one of 600MW set in Shi Dong Kou Power Plant, Shanghai, numerical simulation of the flue ges temperature deviation in the upper part of the boiler has been carried out to study the causes and the ways to reduce the deviation. The effects of the direction of the primary and secondary air, the plate superheaters as well as the diameter of the tangential circle of the secondary air on the deviation under different combustion conditions are discussed. |
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| Keywords: | pulverized coal combustion flue gas temperature deviation numerical simulation |
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