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700℃超超临界循环流化床锅炉方案设计研究

DOI: 10.13334/j.0258-8013.pcsee.2014.23.019, PP. 3977-3982

Keywords: 700℃蒸汽温度,循环流化床锅炉,先进超超临界参数

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Abstract:

在总结国内330MW和600MW循环流化床(circulatingfluidizedbedboiler,CFB)锅炉开发研制及工程经验基础上,进行了蒸汽温度为700℃的350MW超超临界CFB锅炉方案设计,并对工质流程及关键部件结构进行分析计算和设计研究。具有先进蒸汽参数的350MW超超临界CFB锅炉采用H型整体布置,4个蒸汽包覆式旋风分离器布置在炉膛两侧,配有相应的紧凑型气动均流换热床。锅炉水冷壁为低质量流速垂直管圈结构。双回路给煤系统可保证均匀可靠地向炉内送入燃料。

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