| 高效褐煤发电系统研究 |
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| 引用本文： | 郭晓克,肖峰,严俊杰,谭红军,郭兆君,刘明. 高效褐煤发电系统研究[J]. 中国电机工程学报, 2011, 31(26) |
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| 作者姓名： | 郭晓克 肖峰 严俊杰 谭红军 郭兆君 刘明 |
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| 作者单位： | 1. 东北电力设计院,吉林省长春市,130021
2. 西安交通大学能源与动力工程学院,陕西省西安市,710049 |
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| 摘 要： | 褐煤属低质煤，其水分含量高、灰分高，直接燃烧发电效率低。为提高褐煤发电系统效率，该文介绍了高效褐煤发电系统，并且利用等效热降法对该系统进行理论分析和计算，同时对某600MW超临界工程案例进行技术经济对比分析。在该文所述的基准工况下，通过理论计算，该系统可以降低发电煤耗12g／（kW．h），经过技术经济性分析，该系统可以降低厂用电率0．56％，降低发电煤耗15g／（kw·h）以上，同时该系统还可以降低污染物排放、减少工程投资等。研究发现燃用高水分褐煤的火力发电厂，采用高效褐煤发电系统具有极大的优越性，其节能、节水、减排，是值得大力推广的“绿色”发电事业。
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| 关 键 词： | 火力发电厂 抽汽干燥 理论分析 工程案例 节能减排 |
Study on Efficient Lignite-fired Power System |
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| GUO Xiaoke,XIAO Feng,YAN Junjie,TAN Hongjun,GUO Zhaojun,LIU ming. Study on Efficient Lignite-fired Power System[J]. Proceedings of the CSEE, 2011, 31(26) |
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| Authors: | GUO Xiaoke XIAO Feng YAN Junjie TAN Hongjun GUO Zhaojun LIU ming |
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| Affiliation: | GUO Xiaoke1,XIAO Feng1,YAN Junjie2,TAN Hongjun1,GUO Zhaojun1,LIU ming2(1.Northeast Electric Power Design Institute,Changchun 130021,Jilin Province,China,2.School of Energy and Power Engineering,Xi'an Jiaotong University,Xi'an 710049,Shaanxi Province,China) |
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| Abstract: | Lignite is a kind of low rank coal with high water and ash content,which has low power generation efficiency.In order to improve the efficiency of lignite-fried power system,efficient lignite-fired power system was introduced.Theoretical analysis and calculation were carried out on this system with equivalent heat drop method.Moreover,technical and economic comparison of a 600 MW supercritical power plant was carried out.Through theoretical calculation,this system can reduce power generating consumption rat... |
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| Keywords: | thermal power plant extraction steam drying theoretical analysis project case energy conservation |
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