| 600MW直接空冷系统变工况特性分析 |
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| 引用本文： | 范鑫,秦建明.600MW直接空冷系统变工况特性分析[J].水利电力机械,2007,29(4):21-23. |
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| 作者姓名： | 范鑫 秦建明 |
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| 作者单位： | [1]河南电力试验研究院,河南郑州450052 [2]河南工业大学,河南郑州450007 |
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| 摘 要： | 对直接空冷系统变工况计算进行了研究，提出了直接空冷系统凝汽器压力变工况计算的数学模型。以600MW机组为例，得出了迎面风速、环境温度、凝汽器热负荷对空冷凝汽器压力的影响规律，分析了直接空冷凝汽器的变工况特性，从而为提高直接空冷机组的安全性、经济性和性能提供了有力的理论依据。
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| 关 键 词： | 直接空冷 变工况 空冷凝汽器 特性曲线 |
| 文章编号： | 1006-6446（2007）04-0021-03 |
| 收稿时间： | 2007-01-16 |
| 修稿时间： | 2007-01-16 |
Variety-duty characteristic analysis of direct dry cooling system of 600 MW power plant |
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| FAN Xin,QIN Jian-ming.Variety-duty characteristic analysis of direct dry cooling system of 600 MW power plant[J].Water Conservancy & Electric Power Machinery,2007,29(4):21-23. |
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| Authors: | FAN Xin QIN Jian-ming |
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| Affiliation: | 1. Henan Electric Power Research Institute, Zhengzhou 450052, China; 2. Henan University of Technology, Zhengzhou 450007, China |
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| Abstract: | Various duty calculations for direct dry cooling system are studied.Mathematical model of variety-duty calculation for ACC(air-cooled condenser) is presented.Take example for 600 MW power plant,the influence of heat loads,ambient temperature and wind velocity on condenser pressure are obtained.Variety-duty characteristics of ACC are analyzed,which provides strong theoretical basis for improving the security,the economical efficiency and the performance of direct dry cooling units. |
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| Keywords: | direct dry cooling varying duty air- cooled condenser characteristic curve |
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