| 耒阳电厂670 t/h煤粉锅炉排烟温度偏高原因分析及改造设计 |
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| 引用本文： | 刘亮,鄢晓忠,符慧林,夏侯国伟,刘名兰,汪衡荣. 耒阳电厂670 t/h煤粉锅炉排烟温度偏高原因分析及改造设计[J]. 锅炉技术, 2005, 36(1): 64-69 |
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| 作者姓名： | 刘亮 鄢晓忠 符慧林 夏侯国伟 刘名兰 汪衡荣 |
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| 作者单位： | 长沙理工大学,能源与动力工程学院,湖南,长沙,410077;湖南耒阳电厂,湖南,耒阳,421800 |
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| 基金项目： | 湖南省电力集团公司资助项目(20021018) |
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| 摘 要： | 通过对耒阳电厂670 t/h锅炉排烟温度偏高问题的分析,指出了造成排烟温度升高的主要原因.并就光管、鳍片和螺旋肋片管式省煤器,从传热方面、制造方面及投资方面进行了比较,经过热力计算及经济技术分析,提出了采用部分螺旋肋片管对省煤器进行改造的方案,并给出了设计计算的结果,计算表明该方案能降低锅炉排烟温度,提高锅炉效率,具有显著的节能效果.
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| 关 键 词： | 煤粉锅炉 排烟温度 螺旋肋片管省煤器 |
| 文章编号： | CN31-1508(2005)01-0064-06 |
| 修稿时间： | 2004-01-05 |
Analysis on the Higher Flue Gas Temperature and Retrofit Design of Economizer of 670t/h Boiler in Leiyang Power Plant |
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| LIU liang,YAN Xiao-zhong,FU Hui-lin,XIAHOU Guo-wei,LIU Ming-lan,WANG Heng-rong. Analysis on the Higher Flue Gas Temperature and Retrofit Design of Economizer of 670t/h Boiler in Leiyang Power Plant[J]. Boiler Technology, 2005, 36(1): 64-69 |
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| Authors: | LIU liang YAN Xiao-zhong FU Hui-lin XIAHOU Guo-wei LIU Ming-lan WANG Heng-rong |
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| Affiliation: | LIU liang1,YAN Xiao-zhong1,FU Hui-lin1,XIAHOU Guo-wei1,LIU Ming-lan1,WANG Heng-rong21. Institute of Energy & Power Engineer,Changsha University of Science & Techno logy,Changsha 410077,China, 2. Leiyang Power Plant,Leiyang 421800,China |
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| Abstract: | The main reasons of the higher flue gas temperature of 670 t/h boiler in Leiyang Power Plant were introduced in the paper. The performance of bare tube economiz er, finned-tube economizer and spiral-ribbed tube economizer were compared in the aspect of heat transfer, manufacture and investments. By analyzing the resul t of thermodynamic calculation, a new method to use spiral-ribbed tubes, which greatly reduce boiler flue gas temperature, improve the efficiency of boiler com bustion, with remarkable energy-saving benefit, was presented in the paper. |
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| Keywords: | pulverized-coal boiler temperature of flue gas spiral-ribbed tube economizer |
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