华电技术 ›› 2016, Vol. 38 ›› Issue (2): 1-5.

• 专题综述 •    下一篇

1000MW锅炉侧墙水冷壁防止高温腐蚀解决方案研究

  

  1. 华电莱州发电有限公司,山东莱州〓261441
  • 出版日期:2016-02-25 发布日期:2016-04-15

Solution study of 1000MW boiler side water wall high temperature corrosion

  1. Huadian Laizhou Power Plant Company Limited, Laizhou 261441, China
  • Online:2016-02-25 Published:2016-04-15

摘要:

摘要:分析了华电莱州发电有限公司#2锅炉水冷壁侧墙高温腐蚀的情况及生成原理,提出了在各燃烧器层两侧增加侧壁风,以削弱和预防侧墙水冷壁还原性气氛的生成,进而达到防止水冷壁侧墙高温腐蚀的目的。改造后进行了侧壁风门开度试验,根据试验结果确定不同负荷下侧壁调门开度,并总结了该方案的优点及注意事项。

关键词: 关键词:低氮燃烧器, 水冷壁, 高温腐蚀, 还原性气氛, 侧壁风, 热一次风, 负荷

Abstract:

Abstract:After analyzing Huadian Laizhou Power Plant Company Limited No.2 boiler water wall high temperature corrosion causes,the plan of to provide side wind on the both side of furnace to reduce and prevent reducing atmosphere and high temperature corrosion on side water wall was claimed.After reconstruction,cheek damper opening test was carried out.Based the test result,the advantaged and notes of reconstruction plan were summarized.

Key words: Keywords:low , NOx burner, water wall, high temperature corrosion, reducing atmosphere, side wind, hot primary air, load