PID圖例符號(hào)介紹

PAGEPAGE4LINESERVICEIDENTIFICATIONSYMBOLSERVICE符號(hào)幫助AIRSYSTEMS空氣系統(tǒng)IAINSTRUMENTAIR儀表風(fēng)PAPLANTAIR工廠風(fēng)DA燒焦空氣STEAMANDCONDENSATESYSTEMS蒸汽和凝液系統(tǒng)HCHIGHPRESSURECONDENSATE高壓蒸汽凝液MCMEDIUMPRESSURECONDENSATE中壓蒸汽凝液LCLOWPRESSURECONDENSATE低壓蒸汽凝液SCSURFACECONDENSATE表面凝液DSDILUTIONSTEAM稀釋蒸汽HSHIGHPRESSURESREAM高壓蒸汽MSMEDIUMPRESSURESTEAM中壓蒸汽LSSUPERHEATEDLOWPRESSURESTEAM過熱低壓蒸汽PSSATURATEDLOWPRESSURESTEAM飽和低壓蒸汽SHSSUPERHIGHPRESSURESTEAM超高壓蒸汽DRAINSYSTEMS排放系統(tǒng)CDCHEMICALDRAIN化污LDLIQUIDDRAIN液體排放NDNON-CONTAMINATEDPOLLUTIONDRAIN無污染排放ODOILYDRAIN油污EXHAUSTANDVENTSYSTEMSAVATMOSPHERICVENT(NOTFROMPSV)通大氣（不從安全閥）SVSAFETYVALVETOATMOSPHERE安全伐排大氣FLARESYSTEMS火炬系統(tǒng)DFDRYFLARE干火炬WFWETFLARE濕火炬GASSYSTEMS氣體系統(tǒng)FGFUELGAS燃料氣HGHYDROGEN氫氣NGNITROGEN氮?dú)釹PECIALLIQUIDSYSTEMS特殊液體系統(tǒng)CLCAUSTIC腐蝕性QOQUENCHOIL急冷油SOSEALOIL密封油WOWASHINGOIL沖洗油（壓縮機(jī)）PROCESSSERVICE(NORMAL)PPROCESS工藝REFRIGERANTSYSTEMSBRBINARYREFRIGERANT二元制冷PRPROPYLENEREFRIGERANTLINESMAINLINE主線SECONDARYLINE副線UNDERGROUNDORBURY地下或隱藏ELECTRICALLYTRACED電纜線SPECIALTRACED特殊管線STEAMTRACED蒸汽伴熱JACKETED夾套PACKAGEDEQUIPBOUNDARY成套設(shè)備分界線BATTERY界區(qū)分界線FUTURE未來MATERIALSPECBREAK材料規(guī)格分界點(diǎn)DESIGNBREAK設(shè)計(jì)分界點(diǎn)BELOWGROUNDLINERISINGABOVEGRADE地管伸出點(diǎn)BREAKOFREPONSIBILITY責(zé)任分界點(diǎn) MISCELLANEOUSITEMS各種細(xì)節(jié)RODOUTCONNECTIONCLEANOUTCONNECTION(FLUSHING)清理接口（沖洗）REMOVABLESPOOL可拆除短管NOZZLEORPIPEWITHBLINDFLANGE帶盲法蘭的噴嘴或管線SPACERFORBLIND盲管位置NORMALLYCLOSED正常情況下關(guān)閉NORMALLYOPEN正常情況下打開FIGUREBB圖REVERSIBLEBLIND8字盲板ORIFICESWAGE孔板INSULATEDFLANGEDJOINT保溫法蘭連接PIPECAP(WELDED)管帽（焊接）PIPECAP(SCREWED)管帽（法蘭）REDUCER變徑管T-STRAINERT型過濾器PERMANENTY-STRAINER(WITHVALVE)帶閥門Y型過濾器TEMPORARYSTRAINER臨時(shí)過濾器HOSECONNECTION軟管接口SAMPLECONNECTION取樣口**-SERVICESYMBOL符號(hào)說明SEQUENCENUMBER序列號(hào)OPENDRAINHUB敞口集液器MATERIALBALANCESTREAMNUMBER物流號(hào)CONTINUTYARROW延續(xù)箭頭INITIALFEED初始進(jìn)料GRADE等級(jí)TRENCH地溝LINEIDENTIFICATION管線說明INSULATIONCODE保溫代碼MATERIALSPECIFICATION材質(zhì)BRANCHIDENTIFIER分支標(biāo)識(shí)SEQUENCENUMBER管線號(hào)PROCESSSECTIONAREA(MAYBESINGLEDIGIT)工藝區(qū)LINESERVICESYMBOL管線符號(hào)說明LINESIZE管線尺寸VALVESGATEVALVE閘閥BUTTERFLYVALVE蝶閥DIAPHRAGMVALVE隔膜閥GLOBEVALVE球閥NEEDLEVALVE針型閥PLUGVALVE截止閥BALLVALVE球閥CHECKVALVE止逆閥STOPCHECKVALVE(BOILERNON-RETURNVALVE)帶手輪止逆閥THREE0RFOURVALVE三通或四通閥MULTIPORTPLUG多向切斷閥ANGLEVALVE角閥DUALTANDEMBLOWNDOWNVALVES兩段排污閥RANTYPEVALVER型閥T-TYPEGLOBEVALVET型球閥AUTOMATICRECIRCULATIONVALVE自動(dòng)再循環(huán)閥INTERLOCKEDVALVES(MECHANICALLINK))機(jī)械聯(lián)動(dòng)閥QUICKOPENINGORCLOSINGVALVE快速開關(guān)閥VALVEWITHBODYCAVITYRELIEFORBODYBLEEDCONNECTION帶有排放閥的閥門DAMPER擋板APPROPRIATEABBREVIATION合適的縮寫SLIDEGATEVALVE滑動(dòng)閘閥EQUIPMENTIDENTIFACATION設(shè)備符號(hào)SUPPLIEDWITHVENDOREQUIPMENT供應(yīng)商提供的設(shè)備SPARE(A,B,C,ETCUSEDIFPARALLELUNITS)同一設(shè)備的編號(hào)SEQUENCENUMBER序列號(hào)AREANUMBER區(qū)號(hào)EQUIPMENTCODEOFACCOUNT設(shè)備代碼UNITDESIGNATION單元名稱E–ETHYLENE乙烯H-DPGHYDROGENATION汽油加氫U-UTILITY&OFFSITE公用工程PIPINGSPECIALTYITEMSANDMISCELLANEOUSEQUIPMENT特殊管項(xiàng)和各種設(shè)備ALLPIPINGSPECIALTYITEMSAREIDENTIFIED所有特殊管線有以下注明SEQUENCENUMBER(NUMBEREDINSAMEWAYASINSTRUMENT)序列號(hào)（與儀表排序相同）EXHAUSTHEAD負(fù)呀總管ATOMPHERICVENTWITHWEATHERCAP防雨放空管DUPLEXSTRAINER相同的過濾器PERMANENTBASKETSTRAINER提籃式過濾器FLEXIBLEHOSE金屬軟管EXPANSIONJOINT膨脹節(jié)INLINEMIXERSORVENTURITYPEDESUPERHEATER內(nèi)嵌式混合器或文丘里型混合器SILENCER消音器EJECTOROREDUCTOR噴射器FILTER過濾器FILTERWITHHOOD帶罩過濾器CONDENSATETRAP(NON-PROCESS)凝液疏水器FIREPROTECTION消防FIREHYDRANT消防炮FIREHYDRANTWITHMONITOR帶監(jiān)視器的消防栓FIREHYDRANTWITHPUPPERCONNECTION消防栓HOSEHOUSE消防箱VALVEWITHINDICATORPOST帶指示的閥MONITOR監(jiān)視器EMPUMP泵CENTRIFUGAL離心泵METERINGORRECIPROCATING計(jì)量泵或往復(fù)式泵ROTARY{GEAR,SCREW}齒輪泵VERTICALSUMPPUMP立式污水泵VERTICALCANNEDPUMP(PFDONLYALLTYPES)泵LIQUIDRINGVACUUMPUMP水環(huán)式真空泵COMPRESSOR壓縮機(jī)SINGLESTAGERECIPROCATINGMULTI-STAGERECIPROCATINGCENTRIFUGAL離心式ROTARY旋轉(zhuǎn)式BLOWERFAN鼓風(fēng)機(jī)BLOWER(PFDONLYALLTYPES)鼓風(fēng)機(jī)COMPRESSOR(PFDONLY)壓縮機(jī)SCREW螺桿式DRIVER驅(qū)動(dòng)裝置ELECTRICMOTOR電動(dòng)馬達(dá)DIESELENGINE.ETC柴油發(fā)動(dòng)機(jī)APPROPRIATEABBREVIATION相應(yīng)的縮寫AAIR空氣DDIESEL柴油HHYDRAULIC水力的MELECTRIC電氣的STEAMTURBINE蒸汽渦輪EXPANDER擴(kuò)大室HEATEXCHANGER換熱器SHELLANDTUBEHEATEXCHANGER管殼式換熱器HORIZONTALSHELLANDTUBEHEATEXCHANGER水平式管殼式換熱器VERTICALSHELLANDTUBEHEATEXCHANGER垂直式管殼式換熱器SINGELSECTIONDOUBLEPIPEEXCHANGERTWOSECTIONDOUBLEPIPEEXCHANGERAIRCOOLER空冷器AIRCOOLER(PFDONLY)空冷器KETTLETYPEREBOILERORSTEAMGENERATORKETTLETYPEEXCHANGER(PFDONLY)GRAPHITEBLOCKTYPEEXCHANGERPLATEEXCHANGERDRAWINGIDENTIFICATION圖形說明REVISIONNO.修訂號(hào)DRAWINGNO.圖號(hào)AREANO.區(qū)號(hào)JOBNO.工號(hào)DRAWINGSIZEVESSELSANDFURNACES容器和爐子FLOATINGROOFTANK浮頂罐CONEROOFTANKWITHINTERNALCOIL帶內(nèi)盤管錐型頂罐COLUMN柱型PACKINGINTERNALBAFFLEVORTEXBREAKER旋風(fēng)分離器CABINTYPEHEATERWITHEXTERNALCROSS-OVERSHORIZONALTYPEHEATERWITHINTERNALCROSSOVERS內(nèi)部有交叉的水平加熱管VESSELELEVATIONS離地面高度INSULATIONCODE保溫代碼DANTI-SWEATINSULATION防水保溫EELECTRICALTRACINGFFULLHEATCONSERVATIONHNORMALHEATCONSERVATION一般保溫MDUALSERVICEINSULATIONPPERSONNELPROTECTION防護(hù)人員SSPECIAL特殊的TSTEAMTRACINGVACOUSTICAL聽力的BREAKOFRESPONSIBILITYSYMBOLFORLOCATIONOFTIE-INPOINTCONNECTEDUNEWETHYLENESTORAGEAREA乙烯新區(qū)的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儀表符號(hào)參閱圖DWGNO.0005B2.FLOWDIAGRAMSAREDIAGRAMATICONLY。ROUTINGOFPIPELINESMUSTBEINVESTIGATEDFORVENTINGOFHIGHPOINTSOFPIPINGANDDRAININGOFLOWPOINTSOFPIPINGANDEQUIPMENT.THESEPOINTSARENOTNORMALLYSHOWNONP&IFLOWDIAGRAMTHECONTROLVALVEASSEMBLYWILLHAVEA3/4＂DRAINVALVELOCATEDONTHEUPSTREAMSIDEOFTHECONTROLVALVE在調(diào)節(jié)閥的上游應(yīng)有一個(gè)3/4英寸的就地排放閥。.VESSELINTERNALS,FURNACECOILS,HEADERS,ANDMANIFOLDSARESHOWNTOTHEEXTENTREQUIREDFORCLARITY.容器內(nèi)部、爐管等在必要的地方標(biāo)明。ALLOWANCEISTOBEMADEFORTEMPORARYSTRAINERSINSUCTIONLINESOFALLPUMPSANDCOMPRESSOR11/2＂ANDLARGER.＂Y＂TYPESTRAINERSARETOBEPROVIDEDINSUCTIONLINES11/2＂ANDSMALLER..在所有泵、壓縮機(jī)的吸入管線上均裝有11/2＂或更大的臨時(shí)過濾器，＂Y＂型過濾器則被裝在11/2＂或更小的管線上。＇TOATMATSAFELOCATION＇MEANS3000mmABOVEANYPLATFORMORSTAIRWAYWITHINAN8000mmRADIUS.9mmWEEPHOLESHALLBEPROVIDEDINLOWPOINTSOFRELIEFVALVEDISCHARGESVENTINGTOATMOSPHERE.在排大氣閥的低點(diǎn)有一個(gè)9mm的孔來排出液體。BATTERYLIMITORROOTVALVESARENOTNECESSARILYSHOWNONPROCESSP&IDS.THESESHOWNBESHOWNASREQUIREDONDISTRIBUTIONAND/ORUTILITYP&IDSDURINGDETAILEDDESIGN.界區(qū)閥和根部閥在工藝流程圖中不一定有，但在公用工程的P&IDS圖中會(huì)有詳細(xì)資料。PUMPSEALFLUSHESANDCOOLINGDETAILSTOBEPROVIDEDBYDETAILEDENGINEERINGCONTRACTOR.FORSPECIALREQUIREMENTS,SEEPUMPDATASHEETSORSCHEDULES.泵的密封和冷卻系統(tǒng)由工程承包商提供，有特殊要求請(qǐng)查看泵的曲線和表。10.ALLELEVATIONSSHOWNAREPRELIMINARY,ELEVATIONSARETOBEFINALIZEDDURINGDETAILEDENGINEERING,TOWERANDDRUMELEVATIONSAREBASEDONREBOILERHYDRAULICSORPUMPNPSHREQUIRENENTS.11.BLOCKVALVESFORALLINSTRUMENTSSUCHASPLPGLIANDLGARENOTINDICATEDANDTHESEBLOCKVALVESARE3/4＂,IFNOTINDICATED.12.RUNNINGSIGNALSFORALLMOTORARENOTINDICATED.所有的馬達(dá)運(yùn)行信號(hào)不被顯示。LINEDESIGATIONSCONNECTIONTOPROCESS,MECHANICALLINEORINSTRUMENTINPUTCAPILLARYTUBING(FILLEDSYSTEM)PNEUMATICSIGNALELECTRICALSIGNALORSOFTWARESIGNALHYDRAULIC(LIQOID)SIGNALELECTROMAGNETICORSONICSIGNAL(INCLUDINGRADIOWAVES,NUCLEARRADIATION,HEATANDLIGHT)INSTRUMENTAIRSUPPLYINSTRUMENTLINEPURGE**-PURGEMEDIUM(LINESERVICEIDENTIFICATIONORASNOTED)TEMPERATUREINSTRUMENTSSINGLETHERMOCOUPLE,RTD,GAUGEORWELL,***-RTD(IFRESISTANCETEMPERATUREDETECTOR)DUPLEXTHERMOCOUPLEINONEWELLMULTI-ELEMENTTHERMOCOUPLEFORDIFFERENTELEVATIONSORZONES(INDICATEFIRSTANDLASTTAGNUMBERSORTAGNUMBERSUFFIXES)TEMPERATUREREGULATOR溫度調(diào)節(jié)閥PRESSUREINSTRUMENTS壓力調(diào)節(jié)器CONTROLLINGSIDEPRESSUREREDUCINGREGULATOR-SELF-CONTAINEDPRESSUREREGULATORWITHEXTERNALPRESSURETAPDEFFERENTIALPRESSUREREDUCINGWITHEXTERNALANDEXTERNALPRESSURETAPSSAFETYRELIEFVALVEPRESSUREANDVACUUMSAFETYRELIEFVALVEPILOTOPERATEDSAFETYRELIEFVALVERELIEVINGMANHOLECOVERPRESSUREORVACUUMRELIEFSETPRESS設(shè)定壓力PRESSURERELIEFRUPTUREDISKVACUUMRELIEFRUPTUREDISKFLOWINSTRUMENTS流量計(jì)ORIFICEPLATEORRESTRICTIONORIFICE孔板或限流孔ORIFICEPLATEINQUICKCHANGEFITTINGVENTURLFLOWTUBEORFLOWNOZZLE文丘里流量計(jì)或噴嘴INSERTIONTYPEFLOWINSTRUMENT插入型流量計(jì)FLUMEWEIRROATMETER轉(zhuǎn)子流量計(jì)FLOWSTRAIGHTENINGVANESEXTERNALTYPEFLOWINSTRUMENTSPECIFYTYPEOUTSIDEBUBBLEIN-LINEFLOWINSTRUMENTSPECIFYTYPEOUTSIDEBUBBLELEVELINSTRUMENTS液位計(jì)EXTERNALLEVELINSTRUMENT外部液位計(jì)（玻璃板、浮筒式）INTERNALFLOATTYPELEVELINSTRUMENT浮筒式液位計(jì)BUBBLETYPELEVELINSTRUMENTRADIATIONORSONICLEVELINSTRUMENTFLOATANDTAPETYPELEVELINDICATORORTRANSMITTERFORSTORAGETANKSOTHERLEVELINSTRUMENTSSPECIFYTYPEOUTSIDEBUBBLELEVELREGULATORWITHMECHANICALLINKAGECONTROLVALVESGLOBEVALVE球閥ANGLE角閥BUTTERFLY蝶型BALL.PLUGORDISC球、塞子、圓盤DIAPHRAGM（SAUNDERS）隔膜OTHER（SPECIFYNEXTTOSYMBOL）其他的（在下一個(gè)符號(hào)中詳細(xì)說明）THREEWAYGLOBE三通球型調(diào)節(jié)閥FOURWAYVALVE四通調(diào)節(jié)閥ACTUATORSSPRINGANDDIAPHRAGM彈簧和隔膜DIFFERENTIALDIAPHRAGM微分隔膜PISTONTYPE-SINGLEACTINGPISTONTYPE-DOUBLEACTINGELECTRICMOTOR電動(dòng)馬達(dá)SOLENOID螺線管ELECTRO-HYDRAULICGASMOTOR氣動(dòng)馬達(dá)MANUALHANDWHEEL手輪ACCESSORIESSIDEMOUNTEDHANDWHEELMANUALRESETREMOTERESETADDITIONALINFORMATIONBODYSIDE閥體尺寸BTSBUBBLETIGHTSHUT-OFFTSOTIGHTSHUT-OFFAIRFAILUREPOSITIONFOFAILOPEN故障時(shí)打開FCFAILCLOSE故障時(shí)關(guān)閉FL(O)FAILLOCKED(LASTPOSITION)VALVEOPENSONDECREASINGCONTROLSIGNALFL(C))FAILLOCKED(LASTPOSITION)VALVECLOSESONDECREASINGCONTROLSIGNALSPLITRANGEDESIGNATIONAFIRSTVALVETORESPONDTOINCREASINGCONTROLSIGNALBSECONDVALVETORESPONDTOINCREASINGCONTROLSIGNALMISCELLANEOUSITEMS各種INLINEINSTRUMENTS在線儀表FLAMEARRESTORCONTINUOUSD