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Economic Analysis of Optimization Operation of the Cold End in Summer for 600MW Direct Air Cooling Units
Author(s): YE Xue-min, TONG Jia-lin, WU Jie, WANG Jing-jing, SHEN Lei, WANG Zhong-ping
Pages: 372-
374
Year: 2012
Issue:
5
Journal: Turbine Technology
Keyword: 直接空冷; 喷水降温; 背压; 经济性; 风险;
Abstract: 直接空冷机组由于夏季运行背压较高且变化幅度大,一定程度上制约了其经济运行和安全运行.喷水降温方式初投资小、适应范围广、降低背压效果明显,因而得到了广泛应用.以国内某亚临界直接空冷机组为研究对象,用等效焓降法定量研究了该运行方式带来的经济性.结果表明,该运行方式带来的经济性非常明显,在50%THA工况下达到了930元/时,并对该运行方式带来的风险作出了合理的评价.
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