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化工进展  2015 

基于液态空气储能技术的新型整体煤气化联合循环系统分析

, PP. 75-79

Keywords: 液态空气储能,整体煤气化联合循环,热力学分析

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Abstract:

液态空气储能技术是一种环境适应性好、容量大的电能存储技术,将液态空气储能技术与整体煤气化联合循环发电系统(IGCC)相结合,利用液空储能技术获取燃气轮机发电所需的高压空气,提高燃气轮机的出功,同时提高IGCC发电系统调峰、调频的能力,提高电能质量。本文从热力学角度出发,对该新型整体煤气化联合循环发电系统进行分析计算,建立系统物质和能量平衡,计算了系统的主要工艺参数。结果表明,净功率为150MW的液态空气-整体煤气化联合循环发电系统,燃气轮机净功率为95.9MW,汽轮机功率为53.9MW,系统热效率为52.8%;相同参数下未应用液态空气储能技术的整体煤气化联合循环发电机组功率为151.4MW,而传统简单循环燃气发电机组热效率仅为35.8%。

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