摘　要：介绍某电厂首台(1号炉)600MW超临界压力直流锅炉机组运用等离子点火技术直接启磨投粉:介绍一阶段降压吹管工艺、参数选择及锅炉实际吹管过程.采用点火吹管时,锅炉不熄火,启动炉水循环泵运行.对吹管过程、锅炉运行、吹管过程中产生的问题及应注意的事项进行了统计分析和说明.实践证明,对超临界直流锅炉采用等离子直接启磨投粉降压法吹管,过热器、再热器吹管系数可达1.3以上,效果良好.
关键词：600MW机组;超临界直流锅炉;降压法吹管
分类号：TK229.2 　文献标识码：B
文章编号：1004-9649(2008)03-0043-05

Steam purging of 600 MW supercritical once-through boiler with pressure-reducing method

YAN Xiao-yong　

作者简介：严晓勇(1973-),男,甘肃天水人,工程师,从事火电厂生产运行工作.E-mail:jyfpe@163.com
作者单位：严晓勇（国电福州发电有限公司,福建,福州,350309）　

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