| 污垢热阻对空冷凝汽器换热面积影响特性研究 |
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| 引用本文： | 周兰欣,周玉,边防.污垢热阻对空冷凝汽器换热面积影响特性研究[J].电站辅机,2011,32(1):10-14. |
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| 作者姓名： | 周兰欣 周玉 边防 |
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| 作者单位： | 周兰欣,周玉,ZHOU Lan-xin,ZHOU Yu(华北电力大学,河北,保定,071003);边防,BIAN Fang(北京能源投资(集团)有限公司,北京,100022) |
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| 摘 要： | 根据传热学基本原理,通过迭代计算出换热系数K,进而得到换热面积的数学模型。并以某600 MW直接空冷机组为例,充分考虑污垢热阻对换热面积的影响,得到对应的变化曲线,对直接空冷凝汽器换热面积的设计计算具有一定的参考价值。
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| 关 键 词： | 空冷 机组 凝汽器 污垢 热阻 换热 面积 特性 曲线 |
Effect of Radiation Dirt Thermal Resistance on the Heat Transfer Area in the Direct Air Cooling Condenser |
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| ZHOU Lan-xin,ZHOU Yu,BIAN Fang.Effect of Radiation Dirt Thermal Resistance on the Heat Transfer Area in the Direct Air Cooling Condenser[J].Power Station Auxiliary Equipment,2011,32(1):10-14. |
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| Authors: | ZHOU Lan-xin ZHOU Yu BIAN Fang |
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| Affiliation: | ZHOU Lan-xin1,ZHOU Yu1,BIAN Fang2(1.North China Electric Power University,Baoding Hebei,071003,China,2.Beijing Energy Investment Holding Co.,Ltd,Beijing,100022,China) |
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| Abstract: | According to the principle of heat transfer,a mathematical model of heat transfer area is obtained by the calculation of the heat transfer coefficient K through iteration.The corresponding curves is drawn based on the example of 600MW direct air cooling condenser with a full consideration of the impact of the fouling resistance on heat transfer area.It is of a certain reference worth for the design calculation of heat exchanger area of the direct air cooling condenser. |
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| Keywords: | direct air cooling power unit condenser dirt thermal resistance heat transfer area characteristics curve |
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