石油化工罐区自动化系统设计规范.pdf

ICS 23 . 020 p 72 备案号： ]2435-2017 中华人民共和国石油化工行业标准 SH/ T 3184—2017 石油化工罐区自动化系统设计规范 Design specification for automation system of tank farm in petrochemical industry 2017-04-12 发布 2017-10-01 实施 中华人民共和国工业和信息化部发布 SHIT 3184—2017 目次 前言 y l 范围 ···1 2 规范性弓I 用文件 1 3 术语和定义、 缩略语 1 3. 1 术语和定义 ···1 3.2 缩略语 4 4 储罐计量与测量方案 4 4 . 1 储罐计量或非计量分类 4 4.2 储罐的仪表测量方案·· · ·························································································· 4 4.3 储罐计量系统······································································································ 8 5 罐区自动化仪表及工程设计·······················································································1 0 5. 1 温度仪表 10 5.2 压力仪表········································································································· 10 5. 3 液位和界位仪表 11 5.4 罐区开关阀 . 13 5.5 仪表防爆与防护··· · ···························································································· 15 5.6 仪表取源过程接口规格 15 5.7 电缆·············································································································· ·15 5. 8 供电··············································································································· 15 5.9 供气 . 15 6 罐区自动控制系统 15 6 . 1 自动控制系统·························································································· · ········ 15 6. 2 过程信号的连接方案 16 6. 3 储罐液位仪表的信号连接···················································································· 17 6.4 电动控制阀的信号连接 18 6 . 5 罐区库存数据的统计和管理················