超超临界机组化学清洗介质的选择

Selection of Chemical Cleaning Medium for Ultra-supercritical Generating Unit

超超临界机组结构复杂,设备材质种类较多,要保证化学清洗质量,防止设备损坏,对清洗介质的正确选择尤为重要。文章从分子结构、化学反应、作用原理、环境友好等方面着手分析酸、缓蚀剂、清洗助剂的选择,列出了可供选用的清洗介质。

Based on the complex structure and various kinds of materials of ultra-supercritical gener- ating unit, suitable chemical cleaning medium is great important to ensure cleaning efficiency and pre- vent thermodynamic facilities from corrosion and damage. The paper analyzes the selection of acid, corrosion inhibitor and other cleaning assistant agent from molecular structure, chemical reaction, ac- tion principle and environmentally friendly, and lists the alternative chemical cleaning mediums.