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秸稈發(fā)電系統(tǒng)能值分析
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國家高技術(shù)研究發(fā)展計劃（863計劃）資助項目（2009AA05Z434）;中國科學(xué)院創(chuàng)新方向項目（KGCX2—YW—329）


Energy Evaluation of Straw-based Power Generation System
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    摘要:

    利用能值分析方法對1MW氣化發(fā)電、5.5MW氣化發(fā)電和25MW直燃發(fā)電3種典型生物質(zhì)發(fā)電系統(tǒng)的可持續(xù)性進行了評價,。在能值成本和能值收益概念基礎(chǔ)上,，引入了能值收益率和能值凈收益兩個指標(biāo)。結(jié)果表明：利用單位能量的秸稈,，5.5MW氣化發(fā)電系統(tǒng)能回收的能值最多且效率最高,；1MW氣化發(fā)電系統(tǒng)的能值成本最低，但相應(yīng)的能值收益也最??；和1MW氣化發(fā)電相比，25MW直燃發(fā)電系統(tǒng)能值收益率較低而能值凈收益較高,。

    Abstract:

    Energy analysis was applied to evaluate three typical straw-based power generation systems: 1MW gasification and power generation system, 5.5MW gasification and power generation system, and 25MW combustion and power generation system. Based on the concepts of energy costs and energy benefits, two indicators were employed: environmental yield ratio (EYR) and net energy. The results show that the 5.5MW system is the most efficient one in recovering energy from straw (the highest EYR) and is capable of saving the greatest quantity of energy per MJ of straw used (the highest net energy); the 1MW system is the best one in terms of energy costs, but the worst in terms of energy benefits. Compared with the 1MW system, the 25MW system has a lower EYR but higher net energy.

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劉華財,陰秀麗,吳創(chuàng)之.秸稈發(fā)電系統(tǒng)能值分析[J].農(nóng)業(yè)機械學(xué)報,2011,42(11):93-98,123. Liu Huacai, Yin Xiuli, Wu Chuangzhi. Energy Evaluation of Straw-based Power Generation System[J]. Transactions of the Chinese Society for Agricultural Machinery,2011,42(11):93-98,123.

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