循环流化床锅炉水冷壁管内壁腐蚀原因分析及处理措施

华电技术 ›› 2011, Vol. 33 ›› Issue (4): 37-38.

循环流化床锅炉水冷壁管内壁腐蚀原因分析及处理措施

郑慧仙a，徐慧芬a，何礼兵b

浙江江山化工股份有限公司 a.设备动力部；b.热电厂，浙江江山 324100

收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2011-04-25 发布日期:2011-04-25

Analysis on reasons of corrosion in inner wall of CFB boiler water wall tubes and treatment measures

ZHENG Huixiana,XU Huifena,HE Libingb

Zhejiang Jiangshan Chemical Corporation Limited, a.Equipment & Power Department; b.Thermal Power Plant, Jiangshan 324100, China

Received:1900-01-01 Revised:1900-01-01 Online:2011-04-25 Published:2011-04-25

摘要/Abstract

摘要： 浙江江山化工股份有限公司热电厂回圈流化床锅炉水冷壁管短期内多次因内壁腐蚀发生爆管事故，利用钢管腐蚀扫查仪对重点区域水冷壁管进行远场涡流检测，通过多次分析，排查了缺陷部位，找到了腐蚀源头，采取相应防范措施后，未再发生水冷壁爆管事故。

关键词: 水冷壁管, 爆管, 原因分析, 腐蚀, 电导率, 远场涡流检测

Abstract: In the Thermal Power Plant of Zhejiang Jiangshan Chemical Corporation Limited, due to corrosion of inner wall of CFB boiler water wall tubes, the tube cracking accident was occurred many times for short term. Using the steel tube corrosion scanning detector, the remote field eddy current testing for water wall tubes in key area was carried out. By many times analysis, the corrosion defect positions were found, and the corrosion reasons were determined. The relevant preventive measures were adopted, and the tube cracking accident does not occur again.

Key words: water wall tube, tube cracking, reason analysis, corrosion, conductivity, remote field eddy current testing

郑慧仙a;徐慧芬a;何礼兵b. 循环流化床锅炉水冷壁管内壁腐蚀原因分析及处理措施[J]. 华电技术, 2011, 33(4): 37-38.

ZHENG Huixiana;XU Huifena;HE Libingb. Analysis on reasons of corrosion in inner wall of CFB boiler water wall tubes and treatment measures[J]. Huadian Technology, 2011, 33(4): 37-38.

[1]	刘秀如, 李佩佩, 王先鹏, 芦旭阁, 王志强. 锅炉烟气酸露点研究现状及展望[J]. 华电技术, 2020, 42(9): 45-55.
[2]	杨振, 王新宇, 朱宣而, 黄亚继, 岳峻峰, 张强, 徐力刚, 谢灵鸥. 调整内外二次风与加装贴壁风方法对缓解炉内高温腐蚀的数值模拟研究[J]. 华电技术, 2020, 42(12): 28-36.
[3]	张俊伟. NG-M701F-R型余热锅炉高压过热器爆管原因分析及解决办法[J]. 华电技术, 2019, 41(7): 46-49.
[4]	周志彬，常亮. 水溶纸对主蒸汽品质的影响和分析[J]. 华电技术, 2019, 41(7): 67-69.
[5]	王学礼. 1000MW超超临界锅炉过热器爆管原因分析及防范措施[J]. 华电技术, 2019, 41(7): 70-72.
[6]	王小军. 630MW超临界锅炉启动初期给水流量控制的探索[J]. 华电技术, 2019, 41(4): 74-75.
[7]	万立明，苏朋，周长文. 某600MW机组锅炉减温器混合管缺陷分析及优化改造[J]. 华电技术, 2019, 41(3): 53-55.
[8]	柯浩，李振梁，王曦. 超临界锅炉高温过热器爆管原因分析及对策[J]. 华电技术, 2019, 41(2): 26-27.
[9]	高清林1，郭开胜2. 330MW亚临界锅炉高温过热器爆管原因浅析[J]. 华电技术, 2018, 40(8): 26-27.
[10]	俞忠勇. 火电厂LGGH系统运行维护简析[J]. 华电技术, 2018, 40(8): 39-41.
[11]	夏学敏. 600MW超超临界锅炉水冷壁爆管防治措施[J]. 华电技术, 2018, 40(8): 52-53.
[12]	陈永生. 锅炉末级过热器氧化皮堵塞爆管规律性偏差分析及处理[J]. 华电技术, 2018, 40(6): 23-25.
[13]	周洋，李良，于洋，刘青华. 在线氢电导率仪表测量误差分析[J]. 华电技术, 2018, 40(6): 32-34.
[14]	滕树会. 超超临界机组低温再热器失效分析[J]. 华电技术, 2018, 40(4): 36-39.
[15]	严晓哲1，杨平2. 电站锅炉氧化皮的防治研究[J]. 华电技术, 2018, 40(4): 42-44.