DB21 辽宁省地方标准 DB21/T3985—2024 锅炉中性化学清洗规范 Boilerneutralchemicalcleaningregulation 2024-06-30发布 2024-07-30实施ICS27.060.30 CCSJ98 辽宁省市场监督管理局发布 DB21/T3985—2024 I目次 1范围.....................................................................................................................................................................1 2规范性引用文件................................................................................................................................................1 3术语和定义........................................................................................................................................................1 4基本要求.............................................................................................................................................................1 5技术要求.............................................................................................................................................................2 6金属腐蚀的防止与控制....................................................................................................................................3 7锅炉清洗工艺....................................................................................................................................................4 8清洗过程检测.....................................................................................................................................................4 9清洗质量要求.....................................................................................................................................................5 10安全要求............................................................................................................................................................5 11清洗废液排放处理..........................................................................................................................................5