| 锅炉连续排污利用对火电厂热经济性影响的机理研究 |
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| 引用本文： | 李勇,高函.锅炉连续排污利用对火电厂热经济性影响的机理研究[J].汽轮机技术,2011,53(3). |
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| 作者姓名： | 李勇 高函 |
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| 作者单位： | 东北电力大学能源与动力工程学院,吉林,132012 |
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| 摘 要： | 随着火电机组单机功率的增大,锅炉排污水压力提高,对蒸汽品质的要求也相应严格,锅炉排污水量和能位都在提高,锅炉排污及其利用越来越引起人们的普遍重视。但目前锅炉排污利用对全厂热经济性影响的机理尚存在不同的观点。首先对现有的几种锅炉排污及其利用对全厂经济性影响的计算方法进行了分析,指出其存在的问题。然后,以某600MW凝汽式电厂机组锅炉排污及其利用为例,对各种计算方法得到的计算结果进行分析比较,并分析了计算结果产生差异的主要原因。最后,揭示出锅炉排污及其利用对全厂热经济性影响的机理。所取得的结论为全厂节能诊断和挖掘节能潜力奠定了基础。
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| 关 键 词： | 排污利用 热平衡方法 等效热降法 热效率 |
Mechanism Study of the Influence of Continuous Blowdown Recovery on Thermal Economy in Power Plant |
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| LI Yong,GAO Han.Mechanism Study of the Influence of Continuous Blowdown Recovery on Thermal Economy in Power Plant[J].Turbine Technology,2011,53(3). |
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| Authors: | LI Yong GAO Han |
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| Affiliation: | LI Yong,GAO Han(School of Energy Resources and Power Engineering,Northeast Dianli University,Jilin,132012,China) |
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| Abstract: | As the growth of the unit plant power,the pressure of blowdown water has been increased and the requirement of steam quality has been strict.Boiler blowdown recovery has attracted people's attention due to the increase of blowdown water amount and energy state.However,there are different views on mechanism of the influence of blowdown recovery on whole thermal economy.In this paper,several calculation methods of blowdown recovery influence on whole thermal economy are analyzed,and problems existing in them ... |
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| Keywords: | blowdown recovery heat balance method equivalent heat drop method thermal efficiency |
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