施工图纸标注

1、P&ID 管道及仪表流程图、管道仪表流程图 MAIN PROCESS LINE 主要工艺管线Process line or utility line 工艺线或者设备线 Underground line 地下线路 Traced line 追踪线 jacketed line 夹套管线 sloped line 倾斜线 gate valve 闸阀 globe valve 截止阀、球形阀 ball valve 球阀、球形阀 needle valve 针阀、针型阀 check valve 止回阀、单向阀、逆止阀 butterfly valve 蝶形阀 angle valve 角阀three way

2、 ball valve 三通球阀 foot valve 底阀、脚踩阀 damper 阻尼器、减震器、气阀three way damper 三路阻尼concentric reducer 同心异径管eccentric reducer (bottom flat) 偏心异径管eccentric reducer (top flat)flange 法兰 reduced flange 异径法兰welded cap 焊接管封头 screwed cap 螺帽、螺母hose connection 软管接头、软管连接Sblind flange 盲板、堵塞法兰 sample nozzle 释义采样喷嘴M.HSGHMS

3、 GH.Hsight glass 观察孔、窥镜handhole 手孔manhole 检修孔funnel 漏斗、烟囱、成漏斗形open drain or ditch 明渠或沟eye washer 洗眼器、洗眼站shower 淋浴、下阵雨bellow type expansion joint 风箱式伸缩接头flame arrester 灭火器PSVflexible tube & hose 软管safety valve 安全阀rupture disk 爆破片、防爆膜ROcloseopenrestriction orifice 节流孔板spectacle blind 带双圈的盲板、眼圈盲板 S

4、Gsight glass 观察孔、窥镜spray nozzle 喷雾嘴、喷嘴t-type strainer T型滤管y-type strainer Y型滤管bucket type strainer 筒式过滤器steam trap 疏水器、疏水阀temporary strainer 临时粗滤器breather valve 呼吸阀、通气阀air form chamber 空气形成室accumulator 蓄电池、储压器emergency vent hatch 紧急通风舱口 internal system link(software or data link) 内部系统链接(软管或数据链接)inst

5、rument supply or connection to process 仪器供应或过程连接instrumentation link(pneumatic) 仪表连接(气动的、气力的、呼吸的)instrumentation link(capillary) 毛细管、微血管 instrumentation link(electric signal) 电信号 RSps：pressure switch 压力开关、压力继电器ls：level switch 电平开关、液位开关fs：flow switch 流量开关、气流换向器xs：miscelaneous switch 显示上的多项开关I/Pelectr

6、o-pneumatic converter 电气动转换器diaphragm seal 胶片密封、密封片local mounted instrument 就地安装仪器distributed control system instrument 分布式控制系统仪表safety instrumented system instrument 安装仪器系统仪表control panel mounted instrument 控制面板安装仪器local board mounted instrument 地板安装仪表 HHHLLLDCS instrument with alarm 带报警器的DCSDenote

7、s high-high level HCLocally mounted transmitter 安装发射机Measuring point of temperature 测量点的温度 Vortex flowmeter 漩涡流量计 Turbine or propeller type flow element Electro magnetic type flowmeter 电磁式流量计 Thermal mass flowmeter 热式流量计 Coriolis mass flowmeter Positive displacement type flow element Pitot tube flow

8、meter 皮托管流量计 Rotameter 转子流量计 Orifice (corner taps) 节流孔(角落水龙头) Orifice (flange taps) (法兰式接头) Orifice (D-D/2 radius taps) () Integral flow orifice 积分流量孔板 Pressure gauge (bourdon tube type) 压力计、测压表(低音管类型) PGPGPressure gauge (diaphragm seal type) (隔膜密封类型) Diaphragm actuator 薄膜执行机构 Solenoid actuator 电磁执行

9、机构 MElectric motor actuator 电动马达执行机构 AAir motor actuator 空气马达执行机构 Cylinder actuator 油缸促动器 MVPilot solenoid valve 辅助电磁阀 With handle With limit switch 与限位开关 Self actuator valve 自我执行机构阀 Control valve 控制阀 Angle valve 角阀 Accentric potary plug valve 旋塞阀Ball valve 球阀Gate valve 闸式阀Differential pressure type

10、 level transmitter 差压式液位变送器Displacement type level transmitter 位移式液位变送器Float type level inst Differential pressure type level transmitter(diaphragm seal with capillary tube) LG(隔膜密封与毛细管)Level gauge 水准仪、液位计Horizontal heat exchange (水平热交换)Vertical heat exchange (垂直换热)Kettle type heat exchange (釜式热交换)H

11、eat exchange double-pipe (换热套管)Spiral heat exchange(horizontal type) 采用螺旋式散热器(卧式、横式)Spiral heat exchange(vertical type) (立式、垂直型)Sample cooler (取样冷却器)Air cooler (空气冷却器)Centrifugal pump (离心泵)Rotary pump (旋转泵、回转泵)Metering pump (计量泵、定量泵)NAir operated diaphragm pump (气动隔膜泵)Centrifugal pump(multi stage ve

12、rtical) 离心泵(多级立式)Packed column basic symbol 填充柱基本符号Tray column basic symbol17152132(trays shown only where significant & numbered from top to bottom)盘塔基本符号(在重要场合使用&从上至下)Internals(other than trays) 内部构件(不包括托盘)Demister (除雾器、去雾器)Liquid spray 液体喷雾Total draw-off tray 去除全部托盘Partial draw-off tray 去

13、除部分托盘Chimney 烟囱Cyclone 旋风、旋风分离器Dollar plate 美元板Packed section 包装部分Inlet horn(diffuser type) 入口角(扩散器类型)Redistribution(liquid/liquid) 重新分配(流体/流体)Redistribution injection(gas/liquid) 流入再分配(气体/液体)Baffle with partition plate 板与隔板Vortex breaker 防涡器Cyclone 旋风分离器Mist separator 湿气分离器MMVibrating screen 振动筛Car

14、tridge filter 筒式过滤器Horizontal drum 卧式滚筒Vertical drum with jacket 护套立式滚筒Vertical drum with disc turbine agitator & baffles Vertical drum with internal coll Vertical drum with external collVessel with boot bottomCompressor 压缩机Blower 鼓风机 Conical roof tank 锥顶罐Hopper or silo 料斗、筒仓Flat roof tank 平顶水箱MVibrati