| 整体煤气化联合循环系统中燃气轮机的变工况特性 |
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| 引用本文： | 陈晓利,吴少华,李振中,王阳,王颖,陈雷,庞克亮.整体煤气化联合循环系统中燃气轮机的变工况特性[J].动力工程,2010,30(3). |
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| 作者姓名： | 陈晓利 吴少华 李振中 王阳 王颖 陈雷 庞克亮 |
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| 作者单位： | 1. 哈尔滨工业大学,能源科学与工程学院,哈尔滨,150001
2. 国家电站燃烧工程技术研究中心,沈阳,110034 |
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| 基金项目： | 国家863高技术基金资助项目(2006AA05A110,2007AA05Z247) |
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| 摘 要： | 采用ThermoFlex软件建立了200 MW级整体煤气化联合循环(IGCC)系统模型,从系统的角度研究了200 MW级IGCC系统中燃气轮机的变工况特性.详细讨论了在3种调节方式下,燃气轮机负荷、整体空分系数(Xas)、氮气回注系数(Xgn)和大气环境条件对系统性能的影响.结果表明:随着燃气轮机负荷的降低,在压气机进口可转导叶(IGV)不调时,燃气透平初温(T3)和燃气透平排气温度(T4)均呈下降趋势;在等T3调节时,T4先升高后降低,转折,最在80%负荷时;而在等T4调节时,T3先缓慢降低,而后快速降低,转折点在70%负荷时.在等T3调节时IGV可关闭的角度比等T4调节时的小.当Xas和Xgn增大时,系统发电效率降低.IGV可调的变工况性能比IGV不调时好.随着大气温度的升高,燃气轮机功率和系统功率均下降.当Xas=0.3时,燃气轮机功率和系统功率均随Xgn的增大而增加.
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| 关 键 词： | 整体煤气化联合循环 燃气轮机 系统性能 变工况特性 |
Off-design Characteristics of Gas Turbine in IGCC Systems |
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| CHEN Xiao-li
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WU Shao-hua
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LI Zhen-zhong
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WANG Yang
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WANG Ying
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CHEN Lei
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PANG Ke-liang.Off-design Characteristics of Gas Turbine in IGCC Systems[J].Power Engineering,2010,30(3). |
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| Authors: | CHEN Xiao-li WU Shao-hua LI Zhen-zhong WANG Yang WANG Ying CHEN Lei PANG Ke-liang |
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| Affiliation: | 1.School of Energy Science and Technology;Harbin Institute of Technology;Harbin 150001;China;2.National Power Plant Combustion Engineering Research Center;Shenyang 110034;China |
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| Abstract: | Off-design characteristics of gas turbine in a 200 MW integrated gasification combined cycle(IGCC) system was studied based on system model built with ThermoFlex software from the system point of view.Influence of gas turbine load,air separation unit(ASU) integrated coefficient(X_(as)),nitrogen reinjection coefficient(X_(gn)) and atmospheric conditions on the system performance was analyzed in detail under three adjusting modes.Results show that when the compressor inlet guide vane(IGV) is kept at a constan... |
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| Keywords: | IGCC gas turbine system performance off-design characteristic |
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