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生物質(zhì)-燃料電池/燃氣輪機發(fā)電系統(tǒng)特性研究
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國家重點基礎(chǔ)研究發(fā)展計劃(973計劃)資助項目(2010CB227301)、遼寧省教育廳資助項目(L2012049)和遼寧省科技廳博士啟動基金資助項目(20131088)


Performance of Biomass-Fuel Cell/Gas Turbine Power Plant
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    摘要:

    對生物質(zhì)氣化-固體氧化物燃料電池/燃氣輪機發(fā)電系統(tǒng)的特性及不同運行參數(shù)對系統(tǒng)性能的影響進行了分析,。生物質(zhì)氣化為以水蒸氣為氣化介質(zhì)的基于UNIQUE概念的流化床氣化,、高溫凈化系統(tǒng),,建模中采用了化學(xué)動力學(xué)模型,,并以萘作為焦油成分,?;谒⒌南到y(tǒng)模型,,分析了生物質(zhì)含水率和燃料利用率等參數(shù)對系統(tǒng)性能的影響,。結(jié)果表明,與其他生物質(zhì)應(yīng)用技術(shù)相比該系統(tǒng)具有較高的能量轉(zhuǎn)化效率,,在200kW規(guī)模,,生物質(zhì)含水率為20%時,電效率可以達到47%,。生物質(zhì)含水率增加會降低系統(tǒng)的輸出功率,,系統(tǒng)效率下降明顯;SOFC燃料利用率提高時系統(tǒng)輸出功率變化不明顯,,但系統(tǒng)效率會明顯提高,。

    Abstract:

    The aim of this work is to numerically analyze the performance of a integrated power plant, which is composed of a biomass gasifier, a fuel cell and a gas turbine. The biomass gasifier is a steam fluidized bed system based on the UNIQUE concept. The chemical kinetics model is applied for the analysis of gas composition production, and the naphthalene is chosen as the tar composition. Effects of different moisture contents in the biomass and fuel utilization on the system performance are studied. The results show that, the biomass gasification-SOFC/MGT power plant can obtain an efficiency above 47% at the 200kW with the 20% of biomass steam content, which is higher than other biomass power plant. The increase of steam content in the biomass can decrease the system power and efficiency. The system power changes insignificantly with the increase of fuel utilization, while the system efficiency can increase significantly.

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劉愛虢,王冰,翁一武,曾文,陳保東.生物質(zhì)-燃料電池/燃氣輪機發(fā)電系統(tǒng)特性研究[J].農(nóng)業(yè)機械學(xué)報,2014,45(8):178-183. Liu Aiguo, Wang Bing, Weng Yiwu, Zeng Wen, Chen Baodong. Performance of Biomass-Fuel Cell/Gas Turbine Power Plant[J]. Transactions of the Chinese Society for Agricultural Machinery,2014,45(8):178-183.

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  • 收稿日期:2013-10-28
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  • 在線發(fā)布日期: 2014-08-10
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