锅炉化学清洗中钝化工艺选择

Discussion on Selection of Passivation Technique in Boiler’s Chemical Cleaning

分析山东百年电力公司6号、3号和4号锅炉化学清洗后炉水水质恢复过程,在汽包锅炉化学清洗中选择不同的钝化工艺,决定着整个清洗工作的成败,还影响着后续的锅炉化学监督工作。通过对比联氨和过氧化氢两种钝化工艺的优劣,确认过氧化氢是一种钝化效果较好、环保、经济的钝化剂。

By analyzing a power plant’s three boiler water recovery process after chemical cleaning,the artical describes different passivations during the boiler chemical cleaning not only determines the success or failure of the cleaning work,but also affects the follow-up work of the boiler chemical supervision.By comparing two passivations-hydrazine and hydrogen peroxide,the author concludes hydrogen peroxide is a better passivation,which is economical and environmentfriendly.