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热力发电  2013 

烟气近零排放的富氧焚烧垃圾电站技术经济性分析

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Keywords: 垃圾焚烧,富氧燃烧,发电效率,烟气近零排放,经济性

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Abstract:

以日处理垃圾1100t的15mw循环流化床(cfb)垃圾焚烧锅炉汽轮机发电机组为研究对象,计算分析了采用富氧燃烧技术焚烧垃圾的经济性。与空气焚烧垃圾电站相比,富氧焚烧垃圾电站需要增加空气分离制氧和co2压缩液化设备,但无需燃煤助燃,可以实现烟气污染物的近零排放。经济性计算结果表明:空气分离装置和co2压缩液化装置的功耗为11.52mw,其厂用电率约为76.8%,综合考虑电厂其它辅机功耗后,净电效率为4.01%。富氧焚烧垃圾技术具有烟气污染物零排放与资源化回收的优势,经济及技术上可行,社会效益突出,有望成为一项有效处理垃圾的环境友好型新技术。

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