PID圖例符號介紹

LINESERVICEIDENTIFICATIONSYMBOLSERVICE符號幫助AIRSYSTEMS空氣系統(tǒng)IAINSTRUMENTAIR儀表風(fēng)PAPLANTAIR工廠風(fēng)DA燒焦空氣STEAMANDCONDENSATESYSTEMS蒸汽與凝液系統(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飽與低壓蒸汽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氮氣SPECIALLIQUIDSYSTEMS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)PROCESSSERVICE(NORMAL)PPROCESS工藝REFRIGERANTSYSTEMSBRBINARYREFRIGERANT二元制冷PRPROPYLENEREFRIGERANT丙烯冷劑WATERSYSTEMS水系統(tǒng)BFWBOILERFEEDWATER鍋爐給水FWFIREWATER消防水IWINTERMEDIATEWATER二次水CWRCOOLINGWATERRETURN冷卻水回水CWSCOOLINGWATERSUPPLY冷卻水PWPOLISHEDWATER工藝水QWQUENCHWATER急冷水UWUTILITYWATER工業(yè)水WWWASTEWATER廢水MISCELLANEOUSABBREVIATIONANDSERVICESYMBOLS各種縮寫與符號AAIRMOTOR空氣馬達ACCACCESSIBLE可接近得ATMATMOSPHERE大氣BLBATTERYLIMIT界區(qū)BTSBUBBLETIGHTSHUT-OFF緩慢緊密切斷BVBYVENDOR由供應(yīng)商提供CONNCONNECTION連接CSCCARSEALCLOSED關(guān)閉鎖定CSOCARSEALOPEN打開鎖定DECDETAILENGINEERINGCONTRACTOR工程承包商詳細(xì)資料EORENDOFRUN運行結(jié)束SOREWEYEWASH洗眼FLGFLANGE法蘭LCLOCKEDCLOSED鎖定關(guān)閉LOLOCKEDOPEN鎖定打開NCNORMALLYCLOSED正常情況下關(guān)閉NNFNORMALLYNOFLOW正常情況下無流量NONORMALLYOPEN正常情況下打開SSAMPLECONNECTION取樣點SCSAMPLECONNECTIONWITHCOOLER連接冷卻器得取樣點SORSTARTOFRUN開始運行SRSTRAINER過濾器SSSAFETYSHOWER安全噴淋TLINEDRIPTRAP疏水器TSOTIGHTSHUTOFF密閉切斷UCUTILITYCONNECTION公用工程接口LINESMAINLINE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BATTERYLIMITBOUNDARY界區(qū)分界線FUTURE未來MATERIALSPECBREAK材料規(guī)格分界點DESIGNBREAK設(shè)計分界點BELOWGROUNDLINERISINGABOVEGRADE地管伸出點BREAKOFREPONSIBILITY責(zé)任分界點 MISCELLANEOUSITEMS各種細(xì)節(jié)RODOUTCONNECTIONCLEANOUTCONNECTION(FLUSHING)清理接口(沖洗)REMOVABLESPOOL可拆除短管NOZZLEORPIPEWITHBLINDFLANGE帶盲法蘭得噴嘴或管線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臨時過濾器HOSECONNECTION軟管接口SAMPLECONNECTION取樣口**-SERVICESYMBOL符號說明SEQUENCENUMBER序列號OPENDRAINHUB敞口集液器MATERIALBALANCESTREAMNUMBER物流號CONTINUTYARROW延續(xù)箭頭INITIALFEED初始進料GRADE等級TRENCH地溝LINEIDENTIFICATION管線說明INSULATIONCODE保溫代碼MATERIALSPECIFICATION材質(zhì)BRANCHIDENTIFIER分支標(biāo)識SEQUENCENUMBER管線號PROCESSSECTIONAREA(MAYBESINGLEDIGIT)工藝區(qū)LINESERVICESYMBOL管線符號說明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自動再循環(huán)閥INTERLOCKEDVALVES(MECHANICALLINK))機械聯(lián)動閥QUICKOPENINGORCLOSINGVALVE快速開關(guān)閥VALVEWITHBODYCAVITYRELIEFORBODYBLEEDCONNECTION帶有排放閥得閥門DAMPER擋板APPROPRIATEABBREVIATION合適得縮寫SLIDEGATEVALVE滑動閘閥EQUIPMENTIDENTIFACATION設(shè)備符號SUPPLIEDWITHVENDOREQUIPMENT供應(yīng)商提供得設(shè)備SPARE(A,B,C,ETCUSEDIFPARALLELUNITS)同一設(shè)備得編號SEQUENCENUMBER序列號AREANUMBER區(qū)號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特殊管項與各種設(shè)備ALLPIPINGSPECIALTYITEMSAREIDENTIFIED所有特殊管線有以下注明SEQUENCENUMBER(NUMBEREDINSAMEWAYASINSTRUMENT)序列號(與儀表排序相同)EXHAUSTHEAD負(fù)呀總管ATOMPHERICVENTWITHWEATHERCAP防雨放空管DUPLEXSTRAINER相同得過濾器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)視器得消防栓FIREHYDRANTWITHPUPPERCONNECTION消防栓HOSEHOUSE消防箱VALVEWITHINDICATORPOST帶指示得閥MONITOR監(jiān)視器EMPUMP泵CENTRIFUGAL離心泵METERINGORRECIPROCATING計量泵或往復(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PRESSOR壓縮機SINGLESTAGERECIPROCATINGMULTI-STAGERECIPROCATINGCENTRIFUGAL離心式ROTARY旋轉(zhuǎn)式BLOWERFAN鼓風(fēng)機BLOWER(PFDONLYALLTYPES)鼓風(fēng)機PRESSOR(PFDONLY)壓縮機SCREW螺桿式DRIVER驅(qū)動裝置ELECTRICMOTOR電動馬達DIESELENGINE、ETC柴油發(fā)動機APPROPRIATEABBREVIATION相應(yīng)得縮寫AAIR空氣DDIESEL柴油HHYDRAULIC水力得MELECTRIC電氣得STEAMTURBINE蒸汽渦輪EXPANDER擴大室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DRAWINGNO、圖號AREANO、區(qū)號JOBNO、工號DRAWINGSIZEVESSELSANDFURNACES容器與爐子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)部有交叉得水平加熱管VESSELELEVATIONS離地面高度INSULATIONCODE保溫代碼DANTI-SWEATINSULATION防水保溫EELECTRICALTRACINGFFULLHEATCONSERVATIONHNORMALHEATCONSERVATION一般保溫MDUALSERVICEINSULATIONPPERSONNELPROTECTION防護人員SSPECIAL特殊得TSTEAMTRACINGVACOUSTICAL聽力得BREAKOFRESPONSIBILITYSYMBOLFORLOCATIONOFTIE-INPOINTCONNECTEDUNEWETHYLENESTORAGEAREA乙烯新區(qū)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儀表符號參閱圖DWGNO、0005B2、FLOWDIAGRAMSAREDIAGRAMATICONLY。ROUTINGOFPIPELINESMUSTBEINVESTIGATEDFORVENTINGOFHIGHPOINTSOFPIPINGANDDRAININGOFLOWPOINTSOFPIPINGANDEQUIPMENT、THESEPOINTSARENOTNORMALLYSHOWNONP&IFLOWDIAGRAMTHECONTROLVALVEASSEMBLYWILLHAVEA3/4＂DRAINVALVELOCATEDONTHEUPSTREAMSIDEOFTHECONTROLVALVE在調(diào)節(jié)閥得上游應(yīng)有一個3/4英寸得就地排放閥。、VESSELINTERNALS,FURNACECOILS,HEADERS,ANDMANIFOLDSARESHOWNTOTHEEXTENTREQUIREDFORCLARITY、容器內(nèi)部、爐管等在必要得地方標(biāo)明。ALLOWANCEISTOBEMADEFORTEMPORARYSTRAINERSINSUCTIONLINESOFALLPUMPSANDPRESSOR11/2＂ANDLARGER、＂Y＂TYPESTRAINERSARETOBEPROVIDEDINSUCTIONLINES11/2＂ANDSMALLER、、在所有泵、壓縮機得吸入管線上均裝有11/2＂或更大得臨時過濾器,＂Y＂型過濾器則被裝在11/2＂或更小得管線上。＇TOATMATSAFELOCATION＇MEANS3000mmABOVEANYPLATFORMORSTAIRWAYWITHINAN8000mmRADIUS、9mmWEEPHOLESHALLBEPROVIDEDINLOWPOINTSOFRELIEFVALVEDISCHARGESVENTINGTOATMOSPHERE、在排大氣閥得低點有一個9mm得孔來排出液體。BATTERYLIMITORROOTVALVESARENOTNECESSARILYSHOWNONPROCESSP&IDS、THESESHOWNBESHOWNASREQUIREDONDISTRIBUTIONAND/ORUTILITYP&IDSDURINGDETAILEDDESIGN、界區(qū)閥與根部閥在工藝流程圖中不一定有,但在公用工程得P&IDS圖中會有詳細(xì)資料。PUMPSEALFLUSHESANDCOOLINGDETAILSTOBEPROVIDEDBYDETAILEDENGINEERINGCONTRACTOR、FORSPECIALREQUIREMENTS,SEEPUMPDATASHEETSORSCHEDULES、泵得密封與冷卻系統(tǒng)由工程承包商提供,有特殊要求請查瞧泵得曲線與表。10、ALLELEVATIONSSHOWNAREPRELIMINARY,ELEVATIONSARETOBEFINALIZEDDURINGDETAILEDENGINEERING,TOWERANDDRUMELEVATIONSAREBASEDONREBOILERHYDRAULICSORPUMPNPSHREQUIRENENTS、11、BLOCKVALVESFORALLINSTRUMENTSSUCHASPLPGLIANDLGARENOTINDICATEDANDTHESEBLOCKVALVESARE3/4＂,IFNOTINDICATED、12、RUNNINGSIGNALSFORALLMOTORARENOTINDICATED、所有得馬達運行信號不被顯示。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ORIFICEPLATEORRESTRICTIONORIFICE孔板或限流孔ORIFICEPLATEINQUICKCHANGEFITTINGVENTURLFLOWTUBEORFLOWNOZZLE文丘里流量計或噴嘴INSERTIONTYPEFLOWINSTRUMENT插入型流量計FLUMEWEIRROATMETER轉(zhuǎn)子流量計FLOWSTRAIGHTENINGVANESEXTERNALTYPEFLOWINSTRUMENTSPECIFYTYPEOUTSIDEBUBBLEIN-LINEFLOWINSTRUMENTSPECIFYTYPEOUTSIDEBUBBLELEVELINSTRUMENTS液位計EXTERNALLEVELINSTRUMENT外部液位計(玻璃板、浮筒式)INTERNALFLOATTYPELEVELINSTRUMENT浮筒式液位計BUBBLETYPELEVELINSTRUMENTRADIATIONORSONICLEVELINSTRUMENTFLOATANDTAPETYPELEVELINDICATORORTRANSMITTERFORSTORAGETANKSOTHERLEVELINSTRUMENTSSPECIFYTYPEOUTSIDEBUBBLELEVELREGULATORWITHMECHANICALLINKAGECONTROLVALVESGLOBEVALVE球閥ANGLE角閥BUTTERFLY蝶型BALL、PLUGORDISC球、塞子、圓盤DIAPHRAGM(SAUNDERS)隔膜OTHER(SPECIFYNEXTTOSYMBOL)其她得(在下一個符號中詳細(xì)說明)THREEWAYGLOBE三通球型調(diào)節(jié)閥FOURWAYVALVE四通調(diào)節(jié)閥ACTUATORSSPRINGANDDIAPHRAGM彈簧與隔膜DIFFERENTIALDIAPHRAGM微分隔膜PISTONTYPE-SINGLEACTINGPISTONTYPE-DOUBLEACTINGELECTRICMOTOR電動馬達SOLENOID螺線管ELECTRO-HYDRAULICGASMOTOR氣動馬達MANUALHANDWHEEL手輪ACCESSORIESSIDEMOUNTEDHANDWHEELMANUALRESETREMOTERESETADDITIONALINFORMATIONBODYSIDE閥體尺寸BTSBUBBLETIGHTSHUT-OFFTSOTIGHTSHUT-OFFAIRFAILUREPOSITIONFOFAILOPEN故障時打開FCFAILCLOSE故障時關(guān)閉FL(O)FAILLOCKED(LASTPOSITION)VALVEOPENSONDECREASINGCONTROLSIGNALFL(C))FAILLOCKED(LASTPOSITION)VALVECLOSESONDECREASINGCONTROLSIGNALSPLITRANGEDESIGNATIONAFIRSTVALVETORESPONDTOINCREASINGCONTRO