ICS 27.140 CCS K 55 备案号： 68965-2019 中华人民共和国电力行业标准 DL/T 2576—2022 水轮机主阀运行检修规程 Code of operation and maintenan ce for main valve of turbine 2022-11-04 发布 2023-05-04 实施 国家能源局 发 布 《电子编加稿件》 XM95691 责编：赵鸣志 成品： 210*297 责校：王小鹏 版心： 166*238 字数： 45*43行 天35 地 24 订 24 切 20 描图：无 中华人民共和国 电力行业标准 水轮机主阀运行检修规程 DL/T 2576—2022 * 中国电力出版社出版、印刷、发行 （北京市东城区北京站西街 19号 100005 http://www.cepp.sgcc.com.cn ） * 2023年8月第一版 2023年8月北京第一次印刷 880毫米× 1230毫米 16开本 1印张 35千字 * 统一书号 155198·4879 定 价23.00元 版 权 专 有 侵 权 必 究 本书如有印装质量问题，我社营销中心负责退换 DL/T 2576—2022 DL/T 2576—2022 I 目 次 前言 ······························································································································· ···································· II 1 范 围 ······························································································································· ······························· 1 2 规范性引用文件 ······························································································································· ··········· 1 3 术语和定义 ······························································································································· ··················· 1 4 基本规定 ······························································································································· ······················· 1 5 运 行 ······························································································································· ······························· 2 5.1 监 视 ······························································································································· ························ 2 5.2 操 作 ······························································································································· ························ 2 5.3 巡 检 ······························································································································· ························ 4 5.4 维 护 ······························································································································· ························ 4 5.5 异常及故障处理 ······························································································································· ···· 5 6 检 修 ······························································································································· ······························· 5 6.1 间隔与停用时间 ······························································································································· ···· 5 6.2 工艺与质量要求 ······························································································································· ···· 5 6.3 检修试验 ······························································································································· ················ 8 附录 A （资料性） 水轮机主阀故障处理 ····································································································· 11 附录 B （资料性） 水轮机主阀检修项目 ····································································································· 13 附录 C （资料性） 水轮机主阀常规试验内容及周期 ················································································· 14 DL/T 2576—2022 II 前 言 本文件按照 GB/T 1.1 —2020《标准化工作导则 第 1 部分：标准化文件的结构和起草规则》的规 定起草。 请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别这些专利的责任。 本文件由中国电力企业联合会提出。 本文件由电力行业水轮发电机及电气设备标准化技术委员会（DL/TC 10 ）归口。 本文件起草单位：中国长江电力股份有限公司、国网新源控股有限公司、南方电网调峰调频发电 有限公司、四川小金川水电开发有限公司、四川川投田湾河开发有限责任公司、贵州蒙江流域开发有限公司。 本文件主要起草人：张益华、郭安奎、何念民、江晓林、董钟明、李香华、张雷、蔡进高、甄达远、 刘腾彬、赵亮、邹林峰、杨炳全、胡国刚、刘劲杰、杨洲。 本文件在执行过程中的意见或建议反馈至中国电力企业联合会标准化管理中心（北京市白广路二 条一号，100761 ） 。 DL/T 2576—2022 1 水轮机主阀运行检修规程 1 范 围 本文件规定了水轮机主阀监视、操作、巡检、维护、异常及故障处理、检修间隔与停用时间、工 艺与质量要