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T/CEC 144-2017 过热器和再热器化学清洗导则

简介
T/CEC 144-2017
过热器和再热器化学清洗导则
Guidelines for chemical cleaning of superheaters and reheaters
2017-08-01实施
2017-05-15发布 目 次 前言··································································································································································1 1 范围······························································································································································ 1 2 规范性引用文件 ·········································································································································· 1 3 术语和定义·················································································································································· 1 4 过热器和再热器化学清洗的确定··············································································································· 1 5 清洗单位······················································································································································ 2 6 技术要求······················································································································································ 2 7 化学清洗工艺条件的确定··························································································································· 3 8 化学清洗系统的设计和安装······················································································································· 3 9 化学清洗工艺过程 ······································································································································ 4 10 清洗废液处理 ············································································································································ 5 11 清洗质量指标 ············································································································································ 5 12 清洗中的化学监督 ···································································································································· 6 13 安全保证体系 ············································································································································ 6 附录 A(资料性附录) 氧化皮的治理方法对比及化学清洗的意义····························································· 7 附录 B(规范性附录) 晶间腐蚀试验············································································································ 9 附录 C(资料性附录) 腐蚀在线监测 ········································································································· 10 附录 D(资料性附录) 典型清洗系统图······································································································ 11 附录 E(规范性附录) 除垢率测量方法 ····································································································· 13 本导则按照 GB/T 1.1—2009《标准化工作导则 第 1 部分:标准的结构和编写》给出的规则起草。 本导则由中国电力企业联合会提出。 本导则由电力行业电厂化学标准化技术委员会归口。