常见的的PID图例缩写符号doc.docx

1、常见的的PID图例缩写符号doc.LINE SERVICE IDENTIFICATIONSYMBOL SERVICE符号帮助AIRSYSTEMS空气系统IAINSTRUMENTAIR仪表风PAPLANT AIRDA工厂风烧焦空气STEAMANDCONDENSATESYSTEMS蒸汽和凝液系统HCHIGHPRESSURECONDENSATE高压蒸汽凝液MCMEDIUMPRESSURECONDENSATE中压蒸汽凝液LCLOWPRESSURE CONDENSATE低压蒸汽凝液SCSURFACECONDENSATE表面凝液DSDILUTIONSTEAM稀释蒸汽HSHIGHPRESSURESTEAM高

2、压蒸汽MSMEDIUMPRESSURESTEAM中压蒸汽LSSUPERHEATEDLOWPRESSURESTEAM过热低压蒸汽PSSATURATEDLOWPRESSURESTEAM1 / 25.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ODOILYDRAIN油污EXHAUST AND VENTSYSTEMSAV ATMOSPHERICVENT (NOTFROMPSV)

3、通大气（不从安全阀）SVSAFETYVALVETOATMOSPHERE安全伐排大气FLARESYSTEMS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2 / 25.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 WASHING OIL冲洗油（压缩机）PROCESS SERVICE (NORMAL)PPROCESS工艺REFRIGERANT BR BINARYSYS

4、TEMSREFRIGERANT二元制冷PRPROPYLENEREFRIGERANT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3 / 25.CWS COOLING WATER SUPPLY冷却水PW POLISHED WATER工艺水QW QUENCH WATER急冷水UW UTILITY WATER工业水WWWASTE WATER废水MISCELLANEOUS ABBREVIATION AND SERVICE

5、SYMBOLS各种缩写和符号空气马达MOTOR AIR AACCESSIBLEACC可接近的ATMOSPHEREATM大气LIMITBATTERYBL界区SHUT -OFFTIGHTBTSBUBBLE缓慢紧密切断BYVENDOR BV由供应商提供CONNECTION CONN连接CLOSEDCAR SEAL CSC关闭锁定OPENCARCSOSEAL打开锁定 4 / 25.DEC DETAIL ENGINEERING CONTRACTOR工程承包商详细资料EOR END OF RUN运行结束SOREW EYEWASH洗眼FLG FLANGE法兰LC LOCKED CLOSED锁定关闭LO LO

6、CKED 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SSAMPLECONNECTION取样点SCSAMPLECONNECTIONWITHCOOLER连接冷却器的取样点RUNSTARTOF SOR开始运行STRAINER SR过滤器SHOWERSAFETYSS安全喷淋DRIPTLINETRAP5 / 25.疏水器TSOTIGHTSHUTOFF密闭切断UCUTILITYCONNECTION公用工程接口LINESMAIN LINE主线SECONDARY LINE副线UNDER

7、GROUND 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界区分界线FUTURE未来MATERIAL SPEC BREAK材料规格分界点DESIGN BREAK设计分界点6 / 25.BELOW GROUND LINE RISING ABOVE GRADE 地管伸出点BREAKOFREPONSIBILITY责任分界点ITEMS MISCELLANEOUS各种细节CONNECTION

8、OUTROD(FLUSHING) CONNECTIONCLEANOUT清理接口（冲洗）SPOOL ABLEREMOV可拆除短管FLANGEWITHBLIND PIPE NOZZLEOR带盲法兰的喷嘴或管线 BLIND SPACER盲管位置 CLOSED NORMALLY正常情况下关闭 OPEN NORMALLY正常情况下打开 B FIGUREB 图 BLIND REVERSIBLEFOR字盲板 8SWAGE ORIFICE孔板 JOINT FLANGED INSULATED保温法兰连接 (WELDED) CAP PIPE管帽（焊接） (SCREWED)PIPE CAP7 / 25.管帽（法兰）

9、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8 / 25.LINE IDENTIFICATION管

10、线说明INSULATION CODE保温代码MATERIAL SPECIFICATION材质BRANCH IDENTIFIER分支标识SEQUENCE NUMBER管线号PROCESS SECTION AREA(MAY BE DIGIT) SINGLE工艺区 SYMBOL SERVICE LINE管线符号说明 SIZE LINE管线尺寸 ALVES VALVE VGATE闸阀 ALVE BUTTERFLY V 蝶阀 ALVE DIAPHRAGM V 隔膜阀 ALVE VGLOBE球阀 ALVE NEEDLE V 针型阀 ALVE VPLUG 截止阀 ALVEBALL V 9 / 25.球阀CH

11、ECK 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MULTI PORT PLUG多向切断阀ANGLE VALVE角阀DUAL TANDEM BLOWNDOWN VALVES两段排污阀RAN TYPE VALVER型阀T-TYPE GLOBE VALVET型球阀AUTOMATIC RECIRCULATION VALVE自动再循环阀INTERLOCKEDVALVES(MECHANICALLINK)机械联动阀QUICKOPENINGORCLOSINGVALVE快速开关阀VALVEW

12、ITHBODYCAVITYRELIEFBLEED BODYORCONNECTION带有排放阀的阀门 DAMPER挡板ABBREVIATION APPROPRIATE合适的缩写 10 / 25.SLIDE GATE VALVE滑动闸阀EQUIPMENT IDENTIFACATION设备符号SUPPLIEDWITHVENDOREQUIPMENT供应商提供的设备SPARE(A,B,C,ETC USED IF PARALLEL UNITS)同一设备的编号 NUMBER SEQUENCE序列号 NUMBER AREA区号 ACCOUNT OF EQUIPMENT CODE设备代码 DESIGNATION

13、 UNIT单元名称 ETHYLENE E 乙烯HYDROGENATION H - DPG汽油加氢SITE&OFF U - UTILITY公用工程 AND PIPING SPECIALTY ITEMS EQUIPMENT MISCELLANEOUS特殊管项和各种设备 ARE ITEMS IDENTIFIED SPECIALTY ALL PIPING 所有特殊管线有以下注明 AS WAY ( SEQUENCE NUMBER NUMBEREDSAME ININSTRUMENT )序列号（与仪表排序相同） 11 / 25.EXHAUST HEAD负呀总管ATOMPHERIC VENT WITH WEA

14、THER CAP防雨放空管DUPLEX STRAINER相同的过滤器PERMANENT BASKET STRAINER提篮式过滤器FLEXIBLE HOSE金属软管EXPANSION JOINT膨胀节INLINEMIXERSORVENTURITYPEHEATER DESUPER内嵌式混合器或文丘里型混合器 SILENCER消音器 EDUCTOR EJECTOR OR喷射器 FILTER过滤器 HOOD FILTER WITH带罩过滤器 (NON-PROCESS) TRAP CONDENSATE凝液疏水器 PROTECTIONFIRE消防 HYDRANT FIRE消防炮 MONITOR FIRE

15、 HYDRANT WITH带监视器的消防栓 12 / 25.FIREHYDRANTWITHPUPPERCONNECTION消防栓HOSEHOUSE消防箱VALVE WITH INDICATOR POST带指示的阀MONITOR监视器EM IF ELEVATEDPUMP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 (PFDONLYALL TYPES)泵LIQUIDRINGVACUUMPUMP水环式真空泵COMPRESS

16、OR压缩机SINGLE STAGE RECIPROCATINGMULTI -STAGE RECIPROCATINGCENTRIFUGAL离心式13 / 25.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水力的M ELECTRIC电气的STEAM TURBINE

17、蒸汽涡轮EXPANDER扩大室14 / 25.HEAT EXCHANGER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 EXCHANGER TWO SECTION DOUBLE PIPE EXCHANGERAIR COOLER空冷器AIR COOLER (PFD ONLY)空冷器KETTLE TYPE REBOILER O

18、R STEAM GENERATOR KETTLE TYPE EXCHANGER (PFD ONLY) GRAPHITE BLOCK TYPE EXCHANGERPLATE EXCHANGERDRAWING IDENTIFICATION图形说明REVISION NO.修订号DRAWING NO.图号AREA NO.区号JOB NO.工号DRAWING SIZEVESSELS AND FURNACES15 / 25.容器和炉子FLOATING ROOF TANK浮顶罐CONE ROOF TANK WITH INTERNAL COIL带内盘管锥型顶罐COLUMN柱型PACKINGINTERNAL B

19、AFFLEVORTEX BREAKER旋风分离器CABIN TYPE HEATER WITH EXTERNAL CROSS-OVERS HORIZONAL 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DANTI -SWEAT INSULATION防水保温EELECTRICAL TRACINGFFULL HEAT CONSERVATIONHNORMAL HEAT CONSERVATION一般保温M DUAL SERVICE INSULATIONPPERSONNEL

20、 PROTECTION防护人员SSPECIAL特殊的TSTEAMTRACING16 / 25.VACOUSTICAL听力的BREAKOFRESPONSIBILITYSYMBOLFORLOCATIONOF TIE -IN POINT CONNECTEDUNEWETHYLENESTORAGEAREA乙烯新区的VOSBL (ONNORTHSIDERACK)WOSBL (ONMAINRACKINFRONT OFNEW HEATER)XOSBL (ONSOUTHSIDERACK)YOSBL (COOLING WATER)EEXISTINGAREADDPGAREAC4C4HYDROAREAD(W)DPGA

21、REAANDTHROUGHTHE TIE -INPOINT(W) ONTHERACKC4(U) C4HYDRO AREA AND THROUGH THETIE -INPOINT(U)ONTHERACKE(W)EXISTING AREA AND THROUGH TIE -INPOINT(W)ONTHERACKE(X)EXISTING AREA AND THROUGH TIE - INPOINT(X)ONTHERACKGENERALNOTES1.FORINSTRUMENTATIONSYMBOLSSEE DWGNO.0005B仪表符号参阅图 DWGNO.0005B2.FLOWDIAGRAMSARED

22、IAGRAMATICONLY 。ROUTINGOFPIPELINES MUSTBEINVESTIGATEDFORVENTINGOFHIGHPOINTSOFPIPING ANDDRAININGOFLOWPOINTSOF PIPINGANDEQUIPMENT .THESEPOINTSARE NOTNORMALLYSHOWN ON P&I FLOW DIAGRAM3. THECONTROL VALVEASSEMBLYWILLHAVEA3/4 DRAINVALVELOCATEDONTHEUPSTREAMSIDEOF THE CONTROL17 / 25.VALVE在调节阀的上游应有一个 3/4 英寸的

23、就地排放阀。.4.VESSEL INTERNALS, FURNACE COILS , HEADERS, AND MANIFOLDS ARE SHOWN TO THE EXTENT REQUIRED FORCLARITY .容器内部、炉管等在必要的地方标明。5. ALLOWANCEIS TO BEMADEFORTEMPORARYSTRAINERSIN SUCTIONLINESOF ALL PUMPSANDCOMPRESSOR 11/2AND LARGER . Y TYPESTRAINERSARETOBE PROVIDEDIN SUCTIONLINES1 1/2 ANDSMALLER.在所有泵、压

24、缩机的吸入管线上均装有 11/2或更大的临时过滤器， Y 型过滤器则被装在11/2或更小的管线上。6. TO ATMATSAFE LOCATION MEANS3000mm ABOVE ANYPLATFORM OR STAIRWAYWITHINAN8000mmRADIUS.7. 9mm WEEPHOLESHALLBEPROVIDEDINLOW POINTSOF RELIEF VALVEDISCHARGESVENTINGTOATMOSPHERE.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 SHO

25、WN ON PROCESS P&IDS. THESE SHOWN BE SHOWNAS REQUIRED ON DISTRIBUTION AND/OR UTILITY P&IDSDURING 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 ARE TO BE FINALIZED DURING DETAILED ENGINEERING, TOW