超临界机组末级再热器氧化皮治理与预控

Study on Oxide Scale Treatment and Pre-control of the Final Reheater of Supercritical Unit

本文介绍了华能威海发电厂末级再热器氧化皮产生的原因,分析了氧化皮的生成机理和剥离机理,论述了氧化皮剥离对机组运行的危害性,提出了一些防范措施。

This paper introduces the causes of the oxide scale of the final reheater of Huaneng Weihai Power Plant,analyzes the formation mechanism and peeling mechanism of oxide scale,discusses the harmfulness of oxide scale peeling to the operation of the unit,and puts forward some preventive measures.