天然气输气管道工程线路阀室设计规定中国石油化工股份有限公司天然气分公司输气管道工程线路阀室设计规定Specifications for designing gas pipeline valve stations20XX年X月X日发布 20XX年X月X日实施中国石油化工股份有限公司天然气分公司发布中国石油化工股份有限公司天然气分公司输气管道工程线路阀室设计规定目录1 范围 ................................................ ................................................... ............................................... 42 规范性引用文件................................................. ................................................... .......................... 53 术语和定义 ................................................ ................................................... ................................... 74 基本要求 ................................................ ................................................... (9)阀室分类及设置原则 ................................................ ................................................... ........ 9 阀室选址及建设水平 ................................................ ................................................... ........ 9 阀室功能 ................................................ ................................................... .......................... 10 阀室设计条件 ................................................ ................................................... .................. 11 5 工艺设计 ................................................ ................................................... . (12)一般要求 ................................................ ...................................................计 ................................................ ................................................... .................. 12 设备、材料选型 ................................................ ................................................... .............. 12 安装要求 ................................................ ................................................... .......................... 14 并行管道阀室设计 ................................................ ................................................... .......... 14 放空系统设计 ................................................ ................................................... .................. 15 6 自动控制设计................................................. ................................................... . (16)一般要求 ................................................ ...................................................计 ................................................ ................................................... .......................... 16 仪表选型 ................................................ ................................................... .......................... 19 仪表安装 ................................................ ................................................... .......................... 21 电缆敷设 ................................................ ................................................... .......................... 21 接地及防雷 ................................................ ................................................... ...................... 21 仪控间 ................................................ ................................................... .............................. 21 7 通信设计 ................................................ ................................................... . (23)一般要求 ................................................ ................................................... .......................... 23 通信方式选择 ................................................ ................................................... .................. 23 系统设计 ................................................ ................................................... .. (23)I中国石油化工股份有限公司天然气分公司输气管道工程线路阀室设计规定设备选型 ................................................ ................................................... .......................... 24 安装要求 ................................................ ................................................... .......................... 24 8 供配电设计 ................................................ ................................................... (26)负荷等级 ................................................ ................................................... .......................... 26 电源方案 ................................................ ................................................... .......................... 26 爆炸危险区域划分 ................................................ ................................................... .......... 27 防雷及接地 ................................................ ................................................... ...................... 27 9 防腐设计 ................................................ ................................................... . (29)一般要求 ................................................ ................................................... .......................... 29 系统设计 .......................................................................... 29 设备、材料选型 ................................................ ................................................... .............. 30 10 公用工程 ................................................ ................................................... .. (31)总图 ................................................ ................................................... ................................ 31 建筑与结构 ................................................ ................................................... .................... 32 采暖与通风 ................................................ ................................................... .................... 34 消防 ................................................ ................................................... ................................ 35 附录A阀室设计条件.................................................典型阀室工艺流程 ................................................ (31)II中国石油化工股份有限公司天然气分公司输气管道工程线路阀室设计规定前言为了加强输气管道技术过程管理，规范输气管道线路阀室的设计内容，统一陆上输气管道线路阀室的主要技术要求，确保设计成果的质量，提高设计效率，特编制件。