PID图例符号介绍及其说明要点.doc

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1、-_LINE SERVICE IDENTIFICATIONSYMBOL SERVICE 符号符号 帮助帮助AIR SYSTEMS空气系统空气系统 IA INSTRUMENT AIR仪表风 PA PLANT AIR工厂风 DA 烧焦空气STEAM AND CONDENSATE SYSTEMS 蒸汽和凝液系统蒸汽和凝液系统 HC HIGH PRESSURE CONDENSATE高压蒸汽凝液 MC MEDIUM PRESSURE CONDENSATE中压蒸汽凝液 LC LOW PRESSURE CONDENSATE低压蒸汽凝液 SC SURFACE CONDENSATE表面凝液 DS DILUTIO

2、N STEAM稀释蒸汽 HS HIGH PRESSURE SREAM高压蒸汽 MS MEDIUM PRESSURE STEAM中压蒸汽 LS SUPERHEATED LOW PRESSURE STEAM 过热低压蒸汽 PS SATURATED LOW PRESSURE STEAM饱和低压蒸汽 SHS SUPER HIGH PRESSURE STEAM超高压蒸汽DRAIN SYSTEMS 排放系统CD CHEMICAL DRAIN化污 LD LIQUID DRAIN液体排放 ND NON-CONTAMINATED POLLUTION DRAIN-_无污染排放 OD OILY DRAIN 油污EX

3、HAUST AND VENT SYSTEMS AV ATMOSPHERIC VENT (NOT FROM PSV)通大气（不从安全阀） SV SAFETY VALVE TO ATMOSPHERE安全伐排大气FLARE SYSTEMS 火炬系统 DF DRY FLARE 干火炬 WF WET FLARE湿火炬GAS SYSTEMS 气体系统 FG FUEL GAS 燃料气 HG HYDROGEN氢气 NG NITROGEN 氮气SPECIAL LIQUID SYSTEMS 特殊液体系统 CL CAUSTIC腐蚀性 QO QUENCH OIL 急冷油 SO SEAL OIL密封油 WO WASHI

4、NG OIL 冲洗油（压缩机） PROCESS SERVICE (NORMAL) P PROCESS工艺REFRIGERANT SYSTEMS BR BINARY REFRIGERANT二元制冷 PR PROPYLENE REFRIGERANT-_丙烯冷剂WATER SYSTEMS水系统 BFW BOILER FEED WATER 锅炉给水 FW FIRE WATER消防水 IW INTERMEDIATE WATER二次水 CWR COOLING WATER RETURN冷却水回水 CWS COOLING WATER SUPPLY冷却水 PW POLISHED WATER工艺水 QW QUEN

5、CH WATER 急冷水 UW UTILITY WATER工业水 WW WASTE WATER废水MISCELLANEOUS ABBREVIATION AND SERVICE SYMBOLS各种缩写和符号各种缩写和符号A AIR MOTOR空气马达 ACC ACCESSIBLE可接近的 ATM ATMOSPHERE大气 BL BATTERY LIMIT界区 BTS BUBBLE TIGHT SHUT-OFF缓慢紧密切断 BV BY VENDOR 由供应商提供-_CONN CONNECTION连接 CSC CAR SEAL CLOSED关闭锁定 CSO CAR SEAL OPEN打开锁定 DEC

6、 DETAIL ENGINEERING CONTRACTOR工程承包商详细资料 EOR END OF RUN 运行结束 SOR EW EYEWASH洗眼 FLG FLANGE法兰 LC LOCKED CLOSED锁定关闭 LO LOCKED OPEN锁定打开 NC NORMALLY CLOSED正常情况下关闭 NNF NORMALLY NO FLOW正常情况下无流量 NO NORMALLY OPEN正常情况下打开 S SAMPLE CONNECTION取样点 SC SAMPLE CONNECTION WITH COOLER连接冷却器的取样点 SOR START OF RUN开始运行 SR ST

7、RAINER过滤器 SS SAFETY SHOWER 安全喷淋 T LINE DRIP TRAP 疏水器 TSO TIGHT SHUT OFF密闭切断 UC UTILITY CONNECTION公用工程接口-_LINESMAIN LINE 主线 SECONDARY LINE 副线 UNDERGROUND OR BURY 地下或隐藏 ELECTRICALLY TRACED 电缆线 SPECIAL TRACED 特殊管线 STEAM TRACED 蒸汽伴热 JACKETED 夹套 PACKAGED EQUIP BOUNDARY 成套设备分界线 BATTERY LIMIT BOUNDARY 界区分界

8、线 FUTURE 未来 MATERIAL SPEC BREAK 材料规格分界点 DESIGN BREAK 设计分界点 BELOW GROUND LINE RISING ABOVE GRADE 地管伸出点 BREAK OF REPONSIBILITY 责任分界点MISCELLANEOUS ITEMS各种细节 ROD OUT CONNECTION CLEAN OUT CONNECTION (FLUSHING) 清理接口（冲洗） REMOVABLE SPOOL 可拆除短管 NOZZLE OR PIPE WITH BLIND FLANGE 带盲法兰的喷嘴或管线 SPACER FOR BLIND 盲管位

9、置-_NORMALLY CLOSED 正常情况下关闭 NORMALLY OPEN 正常情况下打开 FIGURE B B 图REVERSIBLE BLIND 8 字盲板 ORIFICE SWAGE 孔板 INSULATED FLANGED JOINT 保温法兰连接 PIPE CAP (WELDED) 管帽（焊接） PIPE CAP (SCREWED) 管帽（法兰） REDUCER 变径管 T-STRAINER T 型过滤器 PERMANENT Y-STRAINER (WITH VALVE) 带阀门 Y 型过滤器 TEMPORARY STRAINER 临时过滤器 HOSE CONNECTION 软

10、管接口 SAMPLE CONNECTION 取样口 *-SERVICE SYMBOL 符号说明 SEQUENCE NUMBER 序列号 OPEN DRAIN HUB 敞口集液器 MATERIAL BALANCE STREAM NUMBER 物流号 CONTINUTY ARROW 延续箭头 INITIAL FEED 初始进料 GRADE 等级 TRENCH-_地沟LINE IDENTIFICATION管线说明 INSULATION CODE 保温代码 MATERIAL SPECIFICATION 材质 BRANCH IDENTIFIER 分支标识 SEQUENCE NUMBER 管线号 PROC

11、ESS SECTION AREA(MAY BE SINGLE DIGIT) 工艺区 LINE SERVICE SYMBOL 管线符号说明 LINE SIZE 管线尺寸VALVESGATE VALVE 闸阀 BUTTERFLY VALVE 蝶阀 DIAPHRAGM VALVE 隔膜阀 GLOBE VALVE 球阀 NEEDLE VALVE 针型阀 PLUG VALVE 截止阀 BALL VALVE 球阀 CHECK VALVE 止逆阀 STOP CHECK VALVE(BOILER NON-RETURN VALVE) 带手轮止逆阀 THREE 0R FOUR VALVE-_三通或四通阀 MULT

12、I PORT PLUG 多向切断阀 ANGLE VALVE 角阀 DUAL TANDEM BLOWNDOWN VALVES 两段排污阀 RAN TYPE VALVE R 型阀 T-TYPE GLOBE VALVE T 型球阀 AUTOMATIC RECIRCULATION VALVE 自动再循环阀 INTERLOCKED VALVES(MECHANICAL LINK) 机械联动阀 QUICK OPENING OR CLOSING VALVE 快速开关阀 VALVE WITH BODY CAVITY RELIEF OR BODY BLEED CONNECTION 带有排放阀的阀门 DAMPER

13、挡板 APPROPRIATE ABBREVIATION 合适的缩写 SLIDE GATE VALVE 滑动闸阀EQUIPMENT IDENTIFACATION设备符号设备符号SUPPLIED WITH VENDOR EQUIPMENT 供应商提供的设备 SPARE(A,B,C,ETC USED IF PARALLEL UNITS) 同一设备的编号 SEQUENCE NUMBER 序列号 AREA NUMBER 区号 EQUIPMENT CODE OF ACCOUNT 设备代码 UNIT DESIGNATION 单元名称 E ETHYLENE-_乙烯 H - DPG HYDROGENATION汽

14、油加氢 U - UTILITY & OFF SITE 公用工程PIPING SPECIALTY ITEMS AND MISCELLANEOUS EQUIPMENT特殊管项和各种设备特殊管项和各种设备ALL PIPING SPECIALTY ITEMS ARE IDENTIFIED 所有特殊管线有以下注明 SEQUENCE NUMBER ( NUMBERED IN SAME WAY AS INSTRUMENT ) 序列号（与仪表排序相同） EXHAUST HEAD 负呀总管 ATOMPHERIC VENT WITH WEATHER CAP 防雨放空管 DUPLEX STRAINER 相同的过滤器

15、 PERMANENT BASKET STRAINER 提篮式过滤器 FLEXIBLE HOSE 金属软管 EXPANSION JOINT 膨胀节 INLINE MIXERS OR VENTURI TYPE DESUPER HEATER 内嵌式混合器或文丘里型混合器 SILENCER 消音器 EJECTOR OR EDUCTOR 喷射器 FILTER 过滤器 FILTER WITH HOOD 带罩过滤器 CONDENSATE TRAP (NON-PROCESS) 凝液疏水器FIRE PROTECTION-_消防消防FIRE HYDRANT 消防炮 FIRE HYDRANT WITH MONITO

16、R 带监视器的消防栓 FIRE HYDRANT WITH PUPPER CONNECTION 消防栓 HOSE HOUSE 消防箱 VALVE WITH INDICATOR POST 带指示的阀 MONITOR 监视器 EM IF ELEVATEDPUMP泵泵CENTRIFUGAL 离心泵 METERING OR RECIPROCATING 计量泵或往复式泵 ROTARY GEAR ,SCREW 齿轮泵 VERTICAL SUMP PUMP 立式污水泵 VERTICAL CANNEDPUMP (PFD ONLY ALL TYPES) 泵 LIQUID RING VACUUM PUMP 水环式真

17、空泵COMPRESSOR压缩机压缩机SINGLE STAGE RECIPROCATINGMULTI-STAGE RECIPROCATING-_CENTRIFUGAL 离心式 ROTARY 旋转式 BLOWER FAN 鼓风机 BLOWER (PFD ONLY ALL TYPES) 鼓风机 COMPRESSOR (PFD ONLY) 压缩机 SCREW 螺杆式DRIVER驱动装置驱动装置ELECTRIC MOTOR电动马达 DIESEL ENGINE .ETC 柴油发动机 APPROPRIATE ABBREVIATION 相应的缩写 A AIR空气 D DIESEL柴油 H HYDRAULIC水

18、力的 M ELECTRIC电气的 STEAM TURBINE 蒸汽涡轮 EXPANDER 扩大室HEAT EXCHANGER换热器换热器SHELL AND TUBE HEAT EXCHANGER-_管壳式换热器 HORIZONTAL SHELL AND TUBE HEAT EXCHANGER 水平式管壳式换热器 VERTICAL SHELL AND TUBE HEAT EXCHANGER 垂直式管壳式换热器 SINGEL SECTION DOUBLE PIPE EXCHANGERTWO SECTION DOUBLE PIPE EXCHANGERAIR COOLER 空冷器 AIR COOLER

19、 (PFD ONLY) 空冷器 KETTLE TYPE REBOILER OR STEAM GENERATORKETTLE TYPE EXCHANGER (PFD ONLY)GRAPHITE BLOCK TYPE EXCHANGERPLATE EXCHANGERDRAWING IDENTIFICATION图形说明图形说明REVISION NO. 修订号 DRAWING NO. 图号 AREA NO. 区号 JOB NO. 工号 DRAWING SIZEVESSELS AND FURNACES容器和炉子容器和炉子FLOATING ROOF TANK 浮顶罐 CONE ROOF TANK WITH

20、 INTERNAL COIL-_带内盘管锥型顶罐 COLUMN 柱型 PACKINGINTERNAL BAFFLEVORTEX BREAKER 旋风分离器 CABIN TYPE HEATER WITH EXTERNAL CROSS-OVERSHORIZONAL TYPE HEATER WITH INTERNAL CROSSOVERS 内部有交叉的水平加热管 VESSEL ELEVATIONS 离地面高度INSULATION CODE保温代码保温代码D ANTI-SWEAT INSULATION防水保温 E ELECTRICAL TRACINGF FULL HEAT CONSERVATIONH

21、NORMAL HEAT CONSERVATION一般保温 M DUAL SERVICE INSULATIONP PERSONNEL PROTECTION 防护人员 S SPECIAL特殊的 T STEAM TRACINGV ACOUSTICAL听力的BREAK OF RESPONSIBILITYSYMBOL FOR LOCATION OF TIE-IN POINT CONNECTED-_U NEW ETHYLENE STORAGE AREA乙烯新区的 V OSBL (ON NORTH SIDE RACK)W OSBL (ON MAIN RACK IN FRONT OF NEW HEATER)X

22、 OSBL (ON SOUTH SIDE RACK)Y OSBL (COOLING WATER)E EXISTING AREAD DPG AREAC4 C4 HYDRO AREAD(W) DPG AREA AND THROUGH THE TIE-IN POINT(W) ON THE RACKC4(U) C4 HYDRO AREA AND THROUGH THE TIE-IN POINT(U) ON THE RACK E(W) EXISTING AREA AND THROUGH TIE-IN POINT(W) ON THE RACKE(X) EXISTING AREA AND THROUGH T

23、IE-IN POINT(X) ON THE RACKGENERAL NOTES1. FOR INSTRUMENTATION SYMBOLS SEE DWG NO.0005B仪表符号参阅图 DWG NO.0005B 2. FLOW DIAGRAMS ARE DIAGRAMATIC ONLY 。 ROUTING OF PIPELINES MUST BE INVESTIGATED FOR VENTING OF HIGH POINTS OF PIPING AND DRAINING OF LOW POINTS OF PIPING AND EQUIPMENT . THESE POINTS ARE NOT

24、NORMALLY SHOWN ON P&I FLOW DIAGRAM3.THE CONTROL VALVE ASSEMBLY WILL HAVE A 3/4 DRAIN VALVE LOCATED ON THE UPSTREAM SIDE OF THE CONTROL VALVE 在调节阀的上游应有一个 3/4 英寸的就地排放阀。 .-_4.VESSEL INTERNALS, FURNACE COILS , HEADERS, AND MANIFOLDS ARE SHOWN TO THE EXTENT REQUIRED FOR CLARITY. 容器内部、炉管等在必要的地方标明。5.ALLOWA

25、NCE IS TO BE MADE FOR TEMPORARY STRAINERS IN SUCTION LINES OF ALL PUMPS AND COMPRESSOR 1 1/2 AND LARGER . YTYPE STRAINERS ARE TO BE PROVIDED IN SUCTION LINES 1 1/2 AND SMALLER. 在所有泵、压缩机的吸入管线上均装有 1 1/2或更大的临时过滤器，Y型过滤器则 被装在 1 1/2或更小的管线上。6.TO ATM AT SAFE LOCATIONMEANS 3000mm ABOVE ANY PLATFORM OR STAIRW

26、AY WITHIN AN 8000mm RADIUS.7.9mm WEEP HOLE SHALL BE PROVIDED IN LOW POINTS OF RELIEF VALVE DISCHARGES VENTING TO ATMOSPHERE. 在排大气阀的低点有一个 9mm 的孔来排出液体。8.BATTERY LIMIT OR ROOT VALVES ARE NOT NECESSARILY SHOWN ON PROCESS P&IDS. THESE SHOWN BE SHOWN AS REQUIRED ON DISTRIBUTION AND/OR UTILITY P&IDS DURING

27、 DETAILED DESIGN. 界区阀和根部阀在工艺流程图中不一定有，但在公用工程的 P&IDS 图中会有详细资料。9.PUMP SEAL FLUSHES AND COOLING DETAILS TO BE PROVIDED BY DETAILED ENGINEERING CONTRACTOR. FOR SPECIAL REQUIREMENTS, SEE PUMP DATA SHEETS OR SCHEDULES. 泵的密封和冷却系统由工程承包商提供，有特殊要求请查看泵的曲线和表。 10. ALL ELEVATIONS SHOWN ARE PRELIMINARY, ELEVATIONS A

28、RE TO BE FINALIZED DURING DETAILED ENGINEERING, TOWER AND DRUM ELEVATIONS ARE BASED ON REBOILER HYDRAULICS OR PUMP NPSH REQUIRENENTS.11. BLOCK VALVES FOR ALL INSTRUMENTS SUCH AS PLPGLI AND LG ARE NOT INDICATED AND THESE BLOCK VALVESARE 3/4, IF NOT INDICATED.12. RUNNING SIGNALS FOR ALL MOTOR ARE NOT

29、INDICATED. 所有的马达运行信号不被显示。-_LINE DESIGATIONSCONNECTION TO PROCESS, MECHANICAL LINE OR INSTRUMENT INPUTCAPILLARY TUBING (FILLED SYSTEM)PNEUMATIC SIGNALELECTRICAL SIGNAL ORSOFTWARE SIGNALHYDRAULIC (LIQOID) SIGNAL ELECTROMAGNETIC OR SONIC SIGNAL(INCLUDING RADIO WAVES, NUCLEAR RADIATION,HEAT AND LIGHT)IN

30、STRUMENT AIR SUPPLYINSTRUMENT LINE PURGE*-PURGE MEDIUM (LINE SERVICE IDENTIFICATION OR AS NOTED)TEMPERATURE INSTRUMENTSSINGLE THERMOCOUPLE, RTD,GAUGE OR WELL,* - RTD (IF RESISTANCE TEMPERATURE DETECTOR)DUPLEX THERMOCOUPLE IN ONE WELLMULTI-ELEMENT THERMOCOUPLE FOR-_DIFFERENT ELEVATIONS OR ZONES (INDI

31、CATE FIRST AND LAST TAG NUMBERS OR TAG NUMBER SUFFIXES)TEMPERATURE REGULATOR 温度调节阀PRESSURE INSTRUMENTS压力调节器CONTROLLING SIDEPRESSURE REDUCING REGULATOR-SELF-CONTAINEDPRESSURE REGULATOR WITH EXTERNAL PRESSURE TAPDEFFERENTIAL PRESSURE REDUCING WITH EXTERNAL AND EXTERNAL PRESSURE TAPSSAFETY RELIEF VALVE

32、PRESSURE AND VACUUM SAFETYRELIEF VALVE PILOT OPERATED SAFETY RELIEF VALVERELIEVING MANHOLE COVERPRESSURE OR VACUUM RELIEFSET PRESS 设定压力 PRESSURE RELIEF RUPTURE DISKVACUUM RELIEF RUPTURE DISKFLOW INSTRUMENTS流量计流量计-_ORIFICE PLATE OR RESTRICTION ORIFICE 孔板或限流孔 ORIFICE PLATE IN QUICK CHANGE FITTINGVENTU

33、RL FLOW TUBE OR FLOW NOZZLE 文丘里流量计或喷嘴 INSERTION TYPE FLOW INSTRUMENT 插入型流量计 FLUMEWEIRROATMETER 转子流量计 FLOW STRAIGHTENING VANESEXTERNAL TYPE FLOW INSTRUMENT SPECIFY TYPEOUTSIDE BUBBLEIN-LINE FLOW INSTRUMENT SPECIFY TYPE OUTSIDE BUBBLELEVEL INSTRUMENTS液位计液位计EXTERNAL LEVEL INSTRUMENT 外部液位计（玻璃板、浮筒式） INTE

34、RNAL FLOAT TYPE LEVEL INSTRUMENT 浮筒式液位计 BUBBLE TYPE LEVEL INSTRUMENTRADIATION OR SONIC LEVEL INSTRUMENTFLOAT AND TAPE TYPE LEVEL INDICATOR OR TRANSMITTER FOR STORAGE TANKSOTHER LEVEL INSTRUMENTS SPECIFY TYPE OUTSIDE BUBBLE -_LEVEL REGULATOR WITH MECHANICAL LINKAGECONTROL VALVESGLOBE VALVE 球阀 ANGLE 角

35、阀 BUTTERFLY 蝶型 BALL. PLUG OR DISC 球、塞子、圆盘 DIAPHRAGM（SAUNDERS） 隔膜 OTHER （SPECIFY NEXT TO SYMBOL） 其他的（在下一个符号中详细说明） THREE WAY GLOBE 三通球型调节阀 FOUR WAY VALVE 四通调节阀ACTUATORSSPRING AND DIAPHRAGM 弹簧和隔膜 DIFFERENTIAL DIAPHRAGM 微分隔膜 PISTON TYPE - SINGLE ACTINGPISTON TYPE - DOUBLE ACTINGELECTRIC MOTOR 电动马达 SOLEN

36、OID 螺线管 ELECTRO-HYDRAULICGAS MOTOR 气动马达 MANUAL HANDWHEEL 手轮-_ACCESSORIESSIDE MOUNTED HANDWHEELMANUAL RESETREMOTE RESETADDITIONAL INFORMATIONBODY SIDE 阀体尺寸 BTS BUBBLE TIGHT SHUT-OFFTSO TIGHT SHUT-OFFAIR FAILURE POSITIONFO FAIL OPEN故障时打开 FC FAIL CLOSE故障时关闭 FL(O) FAIL LOCKED(LAST POSITION) VALVE OPENS

37、ON DECREASING CONTROL SIGNALFL(C) FAIL LOCKED(LAST POSITION) VALVE CLOSES ON DECREASING CONTROL SIGNALSPLIT RANGE DESIGNATIONA FIRST VALVE TO RESPOND TO INCREASING CONTROL SIGNALB SECOND VALVE TO RESPOND TO INCREASING CONTROL SIGNALMISCELLANEOUS ITEMS各种各种INLINE INSTRUMENTS-_在线仪表在线仪表FLAME ARRESTORCON

38、TINUOUS DRAINEROPTIONAL VENT LINEEXCESS FLOW VALVEPROCESS STEAM TRAPANALYZER ANALYTICAL COMPONENT OR PHYSICAL PROPERTYPURGING DETAIL DIAPHRAGM SEALSPIPED CONNECTIONFLUSH MOUNTEDTRACING CONVENTIONAL INSTRUMENTATIONDIGITAL INSTRUMENTATIONPUSHBOTTON , SWITCHES & LIGHTSINDICATING LIGHTPUSHBOTTONPUSHBOTT

39、ON WITH LIGHTSWITCHSWITCH WITH LIGHT(LIGHT INCLUDED FOR EACH PUSHBUTTON FUNCTION)HIGH/LOW OPEN/CLOSE-_LIGHT DESIGNATIONMEASURED VARIABLEFUNCTIONBYP BY PASSHOA HAND/OFF/AUTOMATICO/C OPEN/CLOSERESETS/S START/STOPTRIP TRIPNOTES1. FOR PIPING AND EQUIPMENT SYMBOLS , SEE DWG 0000542.THE INSTRUMENTATION RE

40、PRESENTATION ON P&I FLOW DIAGRAMS, IN GENERAL , CONSISTS OF A SINGLE OR SEVERAL BALOONS SUFFICIENT FOR FUNCTIONAL DEFINATION, COMPLEX OR UNUASUAL LOOPS ARE DIPECTED WITH INDIVIDUAL COMPONENT BALOONS AS REQUIRED FOR CLARITY.3. ALL CONTROL ROOM INSTRUMENTS ARE LOCATED IN THE CENTRAL CONTROL ROOM UNLESS OTHERWISE NOTES.4.NEEDLE VALVE AND CHECK VALVE ARE INTEGRAL PART OF ROTAMETER.5.AN INSTRUMENT NUMBER WITH AN X SUFFIX OR AN X IN PLACE OF THE LOOP NO. DENOTES THE INSTRUMENT IS FURNISHED AS PART OF AN EQUIPMENT PACKAGE.