SH
中华人民共和国石油化工行业标准
SH/T3551-2024代替SH/T3551-2013：SH/T3521-2013
石油化工仪表工程施工及验收规范
Specificationfor construction andacceptanceof instrumentation engineeringinpetrochemicalindustry
中华人民共和国工业和信息化部 发布
目次
5.1检验 55.2保管 .6
6.1一般规定 76.2仪表单体设备6.3执行器.6.4现场总线仪表 9
7.1一般规定 ..97.2仪表盘、柜、箱和操作台 107.3就地仪表盘、箱. ..117.4温度仪表 ..117.5压力仪表. 127.6流量仪表 137.7物位仪表. 157.8分析仪表. 167.9机械量检测仪表 177.10执行器.
8.1一般规定 188.2综合控制系统安装 198.3综合控制系统试验 19
9.1一般规定. 219.2支架制作与安装 229.3电缆桥架安装 239.4电缆保护管安装 23
SH/T 3551-2024
10.1一般规定 2810.2爆炸和火灾危险环境的仪表装置施工10.3保护接地.. 2910.4工作接地和屏蔽接地 2910.5防雷和防静电接地 3010.6接地连接
11测量管道安装 ..31
11.1一般规定 3111.2测量管道安装 ...311.3分析取样管道安装 3411.4隔离与吹洗管道安装 3411.5测量管道试验 34
12仪表气源管道和信号管道安装 .35
12.1气源管道 3512.2气动信号管道 3612.3气动管道的压力试验与吹扫
13.1一般规定 3713.2蒸汽、热水伴热 .3713.3电伴热. .. 3713.4仪表绝热工程 38
14仪表系统试验.
14.1一般规定. 3814.2回路试验. .3914.3联锁保护系统和程序控制系统试验 40
15.1交接验收条件15.2施工过程技术文件和交工技术文件 41
Contents
Foreword..1Scope.2Normative references3Term and definitions4Gcneral requirements5Inspection and storage forinstruments&materials .55.1Inspection5.2 Storage ..56Calibration and testingofinstruments6.1General requirements6.2Single instrument6.3Actuators7Installationof instrumentation.......... 67.1Generalrequirements.......7.2Instrument panels cabinets boxes and consoles7.3Local control panels and junction boxes....7.4Temperature instruments7.5Pressure instruments. 127.6Flow instrument...7.7Level instruments ... 157.8Analyzers.... 167.9Mechanical measuring& detectinginstruments 177.10 Actuators.... 178Installation& testing ofprehensive control system.. 188.1Generalrequirements...... 188.2Installation of prehensive control system. 198.3Testing of prehensive control system 199Installation of instrument cable routing and cabling219.1General requirements 219.2Fabrication and installation of supports 229.3Cable tray installation.. 239.4Conduit installation. 23
SH/T 3551-20249.5 Cable laying9.6Fiber optical cable laying... ..269.7 Cable wiring.. .2710Electrical explosion protection and earthing ..2810.1General requirements10.2Instrument construction for hazardous area10.3Protective earthing.. .2910.4Instrument earthing and shield earthing ...2910.5 Lightning and electrostatic earthing.... ..3010.6Bounding.. ....3011Installation of instrument impulse line.... ..3111.1General requirements. ..3111.2Installation of impulse line.... ...311.3Installation of analyzing &sampling line ...3411.4Installation ofisolating &purging line .411.5 Test of impulse line..... .3412Installation of instrument air piping and pneumatic signal tubing .3512.1 Air piping... .3512.2Pneumatic signal tubing... ..3612.3Pressure test & purging of instrument air line.13Installation of instrument heat tracing system... 3713.1 General requirements ..... ..3713.2Steam and hot waterheat tracing ...3713.3Electric heat tracing ....3713.4Instrument insulation engineering... 3814Testing ofinstrument system... ..3814.1 General requirements .. ...3814.2 Loop test.. .3914.3Chain protection system and program control system 4015Acceptance of instrument works.... 4015.1 Handover acceptance conditions.. 4015.2Construction and handover documentations .41Appendix A(Informative)Look-up table of abbreviations.Appendix B (Informative)Normal standard apparatus for instrument calibration 4648Explanation ofwordingin this specification....Add:Explanation of the specification.
