摘要
介绍嘉兴发电厂二期4×600 MW机组EDTA化学清洗的进行情况。针对3#机组清洗时出现的问题,逐步对EDTA清洗工艺进行改进。5#机组的实际运行表明,在EDTA清洗后增加水冲洗步骤并加入镀膜剂,清洗钝化效果好,为冲管和整套启动期间水汽品质迅速达标创造了良好条件。
The EDTA washing process of the 4 × 600 MW units of Jiaxing Power Plant Ⅱ is introduced. The EDTA washing technology is improved according to the problems which appear in the washing of units 3. The improved technology is applied to unit 5. The step of water-washing is added after the EDTA washing and the filming reagent is added. The results indicate that the effects of washing and passivation are better. And it provides good conditions for the water vapor to reach the need guickly during the pipe - rushing and cycle startup.
出处
《清洗世界》
CAS
2006年第6期34-38,共5页
Cleaning World
关键词
化学清洗
EDTA
工艺改进
应用
chemical washing
EDTA
technology improvement
application
