| 300MW机组冷却塔进风优化改造前后的性能评价 |
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| 引用本文： | 王宏国,孙奉仲,戴振会,孙龙. 300MW机组冷却塔进风优化改造前后的性能评价[J]. 汽轮机技术, 2009, 51(4) |
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| 作者姓名： | 王宏国 孙奉仲 戴振会 孙龙 |
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| 作者单位： | 山东大学能源与动力工程学院,济南,250061 |
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| 摘 要： | 搜集分析了某300MW自然通风逆流湿式冷却塔采用进风口进风优化技术改造前后的实际运行数据,时间跨度大约3年,分别采用了传统的冷却塔评价指标:冷却温差、冷却幅高、冷却效率以及特性系数评价指标,对冷却塔的冷却性能进行了分析比较,结果表明改造后冷却塔的冷却性能优于改造前冷却塔的冷却性能,四周进风均匀化,循环水温度可以降低0.5℃～1.5℃.
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| 关 键 词： | 冷却塔 冷却温差 冷却幅高 效率系数 特性系数 |
The Performance Evaluation of Cooing Tower with Air-intake Modification of 300MW Unit |
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| WANG Hong-guo,SUN Feng-zhong,DAI Zhen-hui,SUN Long. The Performance Evaluation of Cooing Tower with Air-intake Modification of 300MW Unit[J]. Turbine Technology, 2009, 51(4) |
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| Authors: | WANG Hong-guo SUN Feng-zhong DAI Zhen-hui SUN Long |
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| Affiliation: | School of Energy and Power Engineering;Shandong University;Jinan 250061;China |
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| Abstract: | In this paper,about 3 years' operation data of a 300MW unit cooing tower with air-intake modification has been collected and analyzed.By using the traditional cooling tower evaluation indicator which includes cooling temperature difference,cooling approach,coefficient of efficiency and coefficient of characteristic evaluation indicator,the performance of cooling tower is analyzed.The result shows that the performance of cooling tower with air-intake modification is better than before,the air through the air... |
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| Keywords: | cooling tower cooling temperature difference cooling approach coefficient of efficiency coefficient of characteristic |
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