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LINESERVICEIDENTIFICATIONSYMBOLSERVICE符号帮助AIRSYSTEMS空气系统IAINSTRUMENTAIR仪表风PAPLANTAIR工厂风DA烧焦空气STEAMANDCONDENSATESYSTEMS蒸汽与凝液系统HCHIGHPRESSURECONDENSATE高压蒸汽凝液MCMEDIUMPRESSURECONDENSATE中压蒸汽凝液LCLOWPRESSURECONDENSATE低压蒸汽凝液SCSURFACECONDENSATE表面凝液DSDILUTIONSTEAM稀释蒸汽HSHIGHPRESSURESREAM高压蒸汽MSMEDIUMPRESSURESTEAM中压蒸汽LSSUPERHEATEDLOWPRESSURESTEAM过热低压蒸汽PSSATURATEDLOWPRESSURESTEAM饱与低压蒸汽SHSSUPERHIGHPRESSURESTEAM超高压蒸汽DRAINSYSTEMS排放系统CDCHEMICALDRAIN化污LDLIQUIDDRAIN液体排放NDNON-CONTAMINATEDPOLLUTIONDRAIN无污染排放ODOILYDRAIN油污EXHAUSTANDVENTSYSTEMSAVATMOSPHERICVENT(NOTFROMPSV)通大气(不从安全阀)SVSAFETYVALVETOATMOSPHERE安全伐排大气FLARESYSTEMS火炬系统DFDRYFLARE干火炬WFWETFLARE湿火炬GASSYSTEMS气体系统FGFUELGAS燃料气HGHYDROGEN氢气NGNITROGEN氮气SPECIALLIQUIDSYSTEMS特殊液体系统CLCAUSTIC腐蚀性QOQUENCHOIL急冷油SOSEALOIL密封油WOWASHINGOIL冲洗油(压缩机)PROCESSSERVICE(NORMAL)PPROCESS工艺REFRIGERANTSYSTEMSBRBINARYREFRIGERANT二元制冷PRPROPYLENEREFRIGERANT丙烯冷剂WATERSYSTEMS水系统BFWBOILERFEEDWATER锅炉给水FWFIREWATER消防水IWINTERMEDIATEWATER二次水CWRCOOLINGWATERRETURN冷却水回水CWSCOOLINGWATERSUPPLY冷却水PWPOLISHEDWATER工艺水QWQUENCHWATER急冷水UWUTILITYWATER工业水WWWASTEWATER废水MISCELLANEOUSABBREVIATIONANDSERVICESYMBOLS各种缩写与符号AAIRMOTOR空气马达ACCACCESSIBLE可接近得ATMATMOSPHERE大气BLBATTERYLIMIT界区BTSBUBBLETIGHTSHUT-OFF缓慢紧密切断BVBYVENDOR由供应商提供CONNCONNECTION连接CSCCARSEALCLOSED关闭锁定CSOCARSEALOPEN打开锁定DECDETAILENGINEERINGCONTRACTOR工程承包商详细资料EORENDOFRUN运行结束SOREWEYEWASH洗眼FLGFLANGE法兰LCLOCKEDCLOSED锁定关闭LOLOCKEDOPEN锁定打开NCNORMALLYCLOSED正常情况下关闭NNFNORMALLYNOFLOW正常情况下无流量NONORMALLYOPEN正常情况下打开SSAMPLECONNECTION取样点SCSAMPLECONNECTIONWITHCOOLER连接冷却器得取样点SORSTARTOFRUN开始运行SRSTRAINER过滤器SSSAFETYSHOWER安全喷淋TLINEDRIPTRAP疏水器TSOTIGHTSHUTOFF密闭切断UCUTILITYCONNECTION公用工程接口LINESMAINLINE主线SECONDARYLINE副线UNDERGROUNDORBURY地下或隐藏ELECTRICALLYTRACED电缆线SPECIALTRACED特殊管线STEAMTRACED蒸汽伴热JACKETED夹套PACKAGEDEQUIPBOUNDARY成套设备分界线BATTERYLIMITBOUNDARY界区分界线FUTURE未来MATERIALSPECBREAK材料规格分界点DESIGNBREAK设计分界点BELOWGROUNDLINERISINGABOVEGRADE地管伸出点BREAKOFREPONSIBILITY责任分界点 MISCELLANEOUSITEMS各种细节RODOUTCONNECTIONCLEANOUTCONNECTION(FLUSHING)清理接口(冲洗)REMOVABLESPOOL可拆除短管NOZZLEORPIPEWITHBLINDFLANGE带盲法兰得喷嘴或管线SPACERFORBLIND盲管位置NORMALLYCLOSED正常情况下关闭NORMALLYOPEN正常情况下打开FIGUREBB图REVERSIBLEBLIND8字盲板ORIFICESWAGE孔板INSULATEDFLANGEDJOINT保温法兰连接PIPECAP(WELDED)管帽(焊接)PIPECAP(SCREWED)管帽(法兰)REDUCER变径管T-STRAINERT型过滤器PERMANENTY-STRAINER(WITHVALVE)带阀门Y型过滤器TEMPORARYSTRAINER临时过滤器HOSECONNECTION软管接口SAMPLECONNECTION取样口**-SERVICESYMBOL符号说明SEQUENCENUMBER序列号OPENDRAINHUB敞口集液器MATERIALBALANCESTREAMNUMBER物流号CONTINUTYARROW延续箭头INITIALFEED初始进料GRADE等级TRENCH地沟LINEIDENTIFICATION管线说明INSULATIONCODE保温代码MATERIALSPECIFICATION材质BRANCHIDENTIFIER分支标识SEQUENCENUMBER管线号PROCESSSECTIONAREA(MAYBESINGLEDIGIT)工艺区LINESERVICESYMBOL管线符号说明LINESIZE管线尺寸VALVESGATEVALVE闸阀BUTTERFLYVALVE蝶阀DIAPHRAGMVALVE隔膜阀GLOBEVALVE球阀NEEDLEVALVE针型阀PLUGVALVE截止阀BALLVALVE球阀CHECKVALVE止逆阀STOPCHECKVALVE(BOILERNON-RETURNVALVE)带手轮止逆阀THREE0RFOURVALVE三通或四通阀MULTIPORTPLUG多向切断阀ANGLEVALVE角阀DUALTANDEMBLOWNDOWNVALVES两段排污阀RANTYPEVALVER型阀T-TYPEGLOBEVALVET型球阀AUTOMATICRECIRCULATIONVALVE自动再循环阀INTERLOCKEDVALVES(MECHANICALLINK))机械联动阀QUICKOPENINGORCLOSINGVALVE快速开关阀VALVEWITHBODYCAVITYRELIEFORBODYBLEEDCONNECTION带有排放阀得阀门DAMPER挡板APPROPRIATEABBREVIATION合适得缩写SLIDEGATEVALVE滑动闸阀EQUIPMENTIDENTIFACATION设备符号SUPPLIEDWITHVENDOREQUIPMENT供应商提供得设备SPARE(A,B,C,ETCUSEDIFPARALLELUNITS)同一设备得编号SEQUENCENUMBER序列号AREANUMBER区号EQUIPMENTCODEOFACCOUNT设备代码UNITDESIGNATION单元名称E–ETHYLENE乙烯H-DPGHYDROGENATION汽油加氢U-UTILITY&OFFSITE公用工程PIPINGSPECIALTYITEMSANDMISCELLANEOUSEQUIPMENT特殊管项与各种设备ALLPIPINGSPECIALTYITEMSAREIDENTIFIED所有特殊管线有以下注明SEQUENCENUMBER(NUMBEREDINSAMEWAYASINSTRUMENT)序列号(与仪表排序相同)EXHAUSTHEAD负呀总管ATOMPHERICVENTWITHWEATHERCAP防雨放空管DUPLEXSTRAINER相同得过滤器PERMANENTBASKETSTRAINER提篮式过滤器FLEXIBLEHOSE金属软管EXPANSIONJOINT膨胀节INLINEMIXERSORVENTURITYPEDESUPERHEATER内嵌式混合器或文丘里型混合器SILENCER消音器EJECTOROREDUCTOR喷射器FILTER过滤器FILTERWITHHOOD带罩过滤器CONDENSATETRAP(NON-PROCESS)凝液疏水器FIREPROTECTION消防FIREHYDRANT消防炮FIREHYDRANTWITHMONITOR带监视器得消防栓FIREHYDRANTWITHPUPPERCONNECTION消防栓HOSEHOUSE消防箱VALVEWITHINDICATORPOST带指示得阀MONITOR监视器EMPUMP泵CENTRIFUGAL离心泵METERINGORRECIPROCATING计量泵或往复式泵ROTARY{GEAR,SCREW}齿轮泵VERTICALSUMPPUMP立式污水泵VERTICALCANNEDPUMP(PFDONLYALLTYPES)泵LIQUIDRINGVACUUMPUMP水环式真空泵PRESSOR压缩机SINGLESTAGERECIPROCATINGMULTI-STAGERECIPROCATINGCENTRIFUGAL离心式ROTARY旋转式BLOWERFAN鼓风机BLOWER(PFDONLYALLTYPES)鼓风机PRESSOR(PFDONLY)压缩机SCREW螺杆式DRIVER驱动装置ELECTRICMOTOR电动马达DIESELENGINE、ETC柴油发动机APPROPRIATEABBREVIATION相应得缩写AAIR空气DDIESEL柴油HHYDRAULIC水力得MELECTRIC电气得STEAMTURBINE蒸汽涡轮EXPANDER扩大室HEATEXCHANGER换热器SHELLANDTUBEHEATEXCHANGER管壳式换热器HORIZONTALSHELLANDTUBEHEATEXCHANGER水平式管壳式换热器VERTICALSHELLANDTUBEHEATEXCHANGER垂直式管壳式换热器SINGELSECTIONDOUBLEPIPEEXCHANGERTWOSECTIONDOUBLEPIPEEXCHANGERAIRCOOLER空冷器AIRCOOLER(PFDONLY)空冷器KETTLETYPEREBOILERORSTEAMGENERATORKETTLETYPEEXCHANGER(PFDONLY)GRAPHITEBLOCKTYPEEXCHANGERPLATEEXCHANGERDRAWINGIDENTIFICATION图形说明REVISIONNO、修订号DRAWINGNO、图号AREANO、区号JOBNO、工号DRAWINGSIZEVESSELSANDFURNACES容器与炉子FLOATINGROOFTANK浮顶罐CONEROOFTANKWITHINTERNALCOIL带内盘管锥型顶罐COLUMN柱型PACKINGINTERNALBAFFLEVORTEXBREAKER旋风分离器CABINTYPEHEATERWITHEXTERNALCROSS-OVERSHORIZONALTYPEHEATERWITHINTERNALCROSSOVERS内部有交叉得水平加热管VESSELELEVATIONS离地面高度INSULATIONCODE保温代码DANTI-SWEATINSULATION防水保温EELECTRICALTRACINGFFULLHEATCONSERVATIONHNORMALHEATCONSERVATION一般保温MDUALSERVICEINSULATIONPPERSONNELPROTECTION防护人员SSPECIAL特殊得TSTEAMTRACINGVACOUSTICAL听力得BREAKOFRESPONSIBILITYSYMBOLFORLOCATIONOFTIE-INPOINTCONNECTEDUNEWETHYLENESTORAGEAREA乙烯新区得VOSBL(ONNORTHSIDERACK)WXOSBL(ONSOUTHSIDERACK)YOSBL(COOLINGWATER)EEXISTINGAREADDPGAREAC4C4HYDROAREAD(W)DPGAREAANDTHROUGHTHETIE-INPOINT(W)ONTHERACKC4(U)C4HYDROAREAANDTHROUGHTHETIE-INPOINT(U)ONTHERACKE(W)EXISTINGAREAANDTHROUGHTIE-INPOINT(W)ONTHERACKE(X)EXISTINGAREAANDTHROUGHTIE-INPOINT(X)ONTHERACKGENERALNOTES1、FORINSTRUMENTATIONSYMBOLSSEEDWGNO、0005B仪表符号参阅图DWGNO、0005B2、FLOWDIAGRAMSAREDIAGRAMATICONLY。ROUTINGOFPIPELINESMUSTBEINVESTIGATEDFORVENTINGOFHIGHPOINTSOFPIPINGANDDRAININGOFLOWPOINTSOFPIPINGANDEQUIPMENT、THESEPOINTSARENOTNORMALLYSHOWNONP&IFLOWDIAGRAMTHECONTROLVALVEASSEMBLYWILLHAVEA3/4"DRAINVALVELOCATEDONTHEUPSTREAMSIDEOFTHECONTROLVALVE在调节阀得上游应有一个3/4英寸得就地排放阀。、VESSELINTERNALS,FURNACECOILS,HEADERS,ANDMANIFOLDSARESHOWNTOTHEEXTENTREQUIREDFORCLARITY、容器内部、炉管等在必要得地方标明。ALLOWANCEISTOBEMADEFORTEMPORARYSTRAINERSINSUCTIONLINESOFALLPUMPSANDPRESSOR11/2"ANDLARGER、"Y"TYPESTRAINERSARETOBEPROVIDEDINSUCTIONLINES11/2"ANDSMALLER、、在所有泵、压缩机得吸入管线上均装有11/2"或更大得临时过滤器,"Y"型过滤器则被装在11/2"或更小得管线上。'TOATMATSAFELOCATION'MEANS3000mmABOVEANYPLATFORMORSTAIRWAYWITHINAN8000mmRADIUS、9mmWEEPHOLESHALLBEPROVIDEDINLOWPOINTSOFRELIEFVALVEDISCHARGESVENTINGTOATMOSPHERE、在排大气阀得低点有一个9mm得孔来排出液体。BATTERYLIMITORROOTVALVESARENOTNECESSARILYSHOWNONPROCESSP&IDS、THESESHOWNBESHOWNASREQUIREDONDISTRIBUTIONAND/ORUTILITYP&IDSDURINGDETAILEDDESIGN、界区阀与根部阀在工艺流程图中不一定有,但在公用工程得P&IDS图中会有详细资料。PUMPSEALFLUSHESANDCOOLINGDETAILSTOBEPROVIDEDBYDETAILEDENGINEERINGCONTRACTOR、FORSPECIALREQUIREMENTS,SEEPUMPDATASHEETSORSCHEDULES、泵得密封与冷却系统由工程承包商提供,有特殊要求请查瞧泵得曲线与表。10、ALLELEVATIONSSHOWNAREPRELIMINARY,ELEVATIONSARETOBEFINALIZEDDURINGDETAILEDENGINEERING,TOWERANDDRUMELEVATIONSAREBASEDONREBOILERHYDRAULICSORPUMPNPSHREQUIRENENTS、11、BLOCKVALVESFORALLINSTRUMENTSSUCHASPLPGLIANDLGARENOTINDICATEDANDTHESEBLOCKVALVESARE3/4",IFNOTINDICATED、12、RUNNINGSIGNALSFORALLMOTORARENOTINDICATED、所有得马达运行信号不被显示。LINEDESIGATIONSCONNECTIONTOPROCESS,MECHANICALLINEORINSTRUMENTINPUTCAPILLARYTUBING(FILLEDSYSTEM)PNEUMATICSIGNALELECTRICALSIGNALORSOFTWARESIGNALHYDRAULIC(LIQOID)SIGNALELECTROMAGNETICORSONICSIGNAL(INCLUDINGRADIOWAVES,NUCLEARRADIATION,HEATANDLIGHT)INSTRUMENTAIRSUPPLYINSTRUMENTLINEPURGE**-PURGEMEDIUM(LINESERVICEIDENTIFICATIONORASNOTED)TEMPERATUREINSTRUMENTSSINGLETHERMOCOUPLE,RTD,GAUGEORWELL,***-RTD(IFRESISTANCETEMPERATUREDETECTOR)DUPLEXTHERMOCOUPLEINONEWELLMULTI-ELEMENTTHERMOCOUPLEFORDIFFERENTELEVATIONSORZONES(INDICATEFIRSTANDLASTTAGNUMBERSORTAGNUMBERSUFFIXES)TEMPERATUREREGULATOR温度调节阀PRESSUREINSTRUMENTS压力调节器CONTROLLINGSIDEPRESSUREREDUCINGREGULATOR-SELF-CONTAINEDPRESSUREREGULATORWITHEXTERNALPRESSURETAPDEFFERENTIALPRESSUREREDUCINGWITHEXTERNALANDEXTERNALPRESSURETAPSSAFETYRELIEFVALVEPRESSUREANDVACUUMSAFETYRELIEFVALVEPILOTOPERATEDSAFETYRELIEFVALVERELIEVINGMANHOLECOVERPRESSUREORVACUUMRELIEFSETPRESS设定压力PRESSURERELIEFRUPTUREDISKVACUUMRELIEFRUPTUREDISKFLOWINSTRUMENTS流量计ORIFICEPLATEORRESTRICTIONORIFICE孔板或限流孔ORIFICEPLATEINQUICKCHANGEFITTINGVENTURLFLOWTUBEORFLOWNOZZLE文丘里流量计或喷嘴INSERTIONTYPEFLOWINSTRUMENT插入型流量计FLUMEWEIRROATMETER转子流量计FLOWSTRAIGHTENINGVANESEXTERNALTYPEFLOWINSTRUMENTSPECIFYTYPEOUTSIDEBUBBLEIN-LINEFLOWINSTRUMENTSPECIFYTYPEOUTSIDEBUBBLELEVELINSTRUMENTS液位计EXTERNALLEVELINSTRUMENT外部液位计(玻璃板、浮筒式)INTERNALFLOATTYPELEVELINSTRUMENT浮筒式液位计BUBBLETYPELEVELINSTRUMENTRADIATIONORSONICLEVELINSTRUMENTFLOATANDTAPETYPELEVELINDICATORORTRANSMITTERFORSTORAGETANKSOTHERLEVELINSTRUMENTSSPECIFYTYPEOUTSIDEBUBBLELEVELREGULATORWITHMECHANICALLINKAGECONTROLVALVESGLOBEVALVE球阀ANGLE角阀BUTTERFLY蝶型BALL、PLUGORDISC球、塞子、圆盘DIAPHRAGM(SAUNDERS)隔膜OTHER(SPECIFYNEXTTOSYMBOL)其她得(在下一个符号中详细说明)THREEWAYGLOBE三通球型调节阀FOURWAYVALVE四通调节阀ACTUATORSSPRINGANDDIAPHRAGM弹簧与隔膜DIFFERENTIALDIAPHRAGM微分隔膜PISTONTYPE-SINGLEACTINGPISTONTYPE-DOUBLEACTINGELECTRICMOTOR电动马达SOLENOID螺线管ELECTRO-HYDRAULICGASMOTOR气动马达MANUALHANDWHEEL手轮ACCESSORIESSIDEMOUNTEDHANDWHEELMANUALRESETREMOTERESETADDITIONALINFORMATIONBODYSIDE阀体尺寸BTSBUBBLETIGHTSHUT-OFFTSOTIGHTSHUT-OFFAIRFAILUREPOSITIONFOFAILOPEN故障时打开FCFAILCLOSE故障时关闭FL(O)FAILLOCKED(LASTPOSITION)VALVEOPENSONDECREASINGCONTROLSIGNALFL(C))FAILLOCKED(LASTPOSITION)VALVECLOSESONDECREASINGCONTROLSIGNALSPLITRANGEDESIGNATIONAFIRSTVALVETORESPONDTOINCREASINGCONTRO

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