| 600MW直接空冷机组热力系统的(火用)分析与评价 |
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| 引用本文： | 蒋爱华,蒋琪琳,杜金魁,余煌. 600MW直接空冷机组热力系统的(火用)分析与评价[J]. 汽轮机技术, 2011, 53(2) |
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| 作者姓名： | 蒋爱华 蒋琪琳 杜金魁 余煌 |
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| 作者单位： | 1. 中南大学能源科学与工程学院,长沙,410083
2. 陕西国华锦界能源有限责任公司,西安,710049 |
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| 摘 要： | 为揭示直接空冷机组热力系统的不可逆(火用)损失的机理和挖掘其节能潜力,对600MW直接空冷机组的热力系统进行了(火用)分析和节能评价.结果表明:600MW直接空冷机组的目的(火用)效率为39.08%,总损失占60.92%.凝汽器的(火用)损系数为6.11%,而相同容量水冷机组的凝汽器(火用)损系数仅为2.23%,因此,必须对凝汽器采取节能措施,提高直接空冷机组的整体(火用)效率.
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| 关 键 词： | 直接空冷机组 热力系统 (火用)分析 节能 |
Exergy Analysis and Assessment on Thermodynamic System of 600MW Direct Air-cooled Unit |
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| JIANG Ai-hua,JIANG Qi-lin,DU Jin-kui,YU Huang. Exergy Analysis and Assessment on Thermodynamic System of 600MW Direct Air-cooled Unit[J]. Turbine Technology, 2011, 53(2) |
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| Authors: | JIANG Ai-hua JIANG Qi-lin DU Jin-kui YU Huang |
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| Affiliation: | JIANG Ai-hua1,JIANG Qi-lin1,DU Jin-kui2,YU Huang1(1 School of Energy Science and Engineering,Central South University,Changsha 410083,China,2 Shaanxi Guohua Jinjie Energy Limited Company,Xian 710049,China) |
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| Abstract: | In order to reveal mechanisms of the irreversible exergy loss of the thermodynamic system of a direct air-cooled unit and explore the energy saving potential,exergy analysis and energy-saving assessment were performed to the thermodynamic system of a 600MW direct air-cooled unit.The results show that: the exergy efficiency of 600MW direct air-cooled units is 39.08%,the total exergy loss accounts for 60.92%.The exergy loss coefficient of the condenser of the unit is 6.11%,and the same item of water cooled un... |
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| Keywords: | 600MW |
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