| 1000MW直接空冷机组风机运行研究 |
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| 引用本文： | 韩中合,郑庆宇,王智. 1000MW直接空冷机组风机运行研究[J]. 汽轮机技术, 2012, 0(1): 45-47,51 |
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| 作者姓名： | 韩中合 郑庆宇 王智 |
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| 作者单位： | 华北电力大学电站设备状态监测与控制教育部重点实验室 |
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| 摘 要： | 针对某1 000MW直接空冷机组,基于η-NTU法,建立了直接空冷机组变工况数学模型。通过考虑排汽管道压降及机组对环境散热量等因素,得到机组凝汽器压力与风机风量间关系曲线,分析了在一定凝汽器压力下风机运行所需风量和风机运行频率对机组的影响,为空冷机组的经济运行提供参考。
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| 关 键 词： | 直接空冷 风机 变工况 1000MW |
Study on Fan Operation for 1000MW Air Cooling Units |
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| HAN Zhong-he,ZHENG Qing-yu,WANG Zhi. Study on Fan Operation for 1000MW Air Cooling Units[J]. Turbine Technology, 2012, 0(1): 45-47,51 |
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| Authors: | HAN Zhong-he ZHENG Qing-yu WANG Zhi |
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| Affiliation: | (Key Laboratory of Condition Monitoring and Control for Power Plant Equipment of Ministry of Education, North China Electric Power University,Baoding 071003,China) |
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| Abstract: | Taking 1 000MW directly air cooled units as an example,a mathematical system model of directly air cooled units under variable operating conditions has been elaborated using the method of η-NTU.Through considering condenser pressure drop of the exhaust pipe and environment heat dissipation loss for air cooled units,a changeable curve of condenser pressure is obtained along with the fan air flow.And then air flow required during fan operation and influence on units caused by fan frequency are analysed in certain condenser pressure,which may all serve as a reference for operating air cooled units economically. |
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| Keywords: | direct air cooling fans variable operating condition 1 000MW |
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