煙氣脫硫部分缺少意見回復(fù)f06221c

PakistanPortQasimCoal-firedPowerBASIC第8 脫硫部Volume8FlueGasDESIGN工程咨詢（甲級）20320070011質(zhì)量管理05014Q20020R3L工程設(shè)計（甲級）A 環(huán)境管理05014E20017R3L工程勘察（甲級）030001-kj 職業(yè)健康安全管理05014S20017R3L二O一四年八 石家AUGUST,2014 準(zhǔn) 李A(yù)pprovedbyLiigb 核 ReviewedbGaoGuangweiYanhanianZhang Checkedb MaMeng PreparedyFang初步設(shè)計總CONTENTSOFBASIC VOLUME12ElectricPower3GeneralLayoutand4Thermal5Coal6Ash7第8FGD910Instrument&11Information&Security12131415Environment16Fire17Budget本CONTENTOFTHISDrawingDrawing1-DESIGN2-3-FGO 4-LONGITUDINALVIEWOFFGDTABLEOF概述General 設(shè)計依據(jù)Design 項目概況Project 氣象數(shù)據(jù)Theclimatological 設(shè)計范圍Scopeof 工藝系統(tǒng)部分MECHANICAL 鍋爐主機(jī)主要技術(shù)規(guī)范Technicalspecificationsof 和吸收劑FuelandDesulfurization 脫硫工藝系統(tǒng)Mechanicalsystemof 脫硫系統(tǒng)的布置方案Arrangementschemeof 電氣系統(tǒng)PowerSupplyofDesulfurization 熱控系統(tǒng)I&CPART 概述General 控制方式和控制室布置ControlModeandControlRoom 熱工自動化水平I&CAutomation 熱工自動化功能I&Cautomation 熱工自動化設(shè)備選型和供貨MainI&CEquipmentSelection 電源和氣源PowerSupply&AirSupplyfor 熱工自動化Thermalautomation 編碼系統(tǒng)KKScode 廢水處理系統(tǒng)Desulphurizationwastewater 通風(fēng)、空調(diào)和除塵系統(tǒng)Ventilation、airconditioninganddust 室外氣象參數(shù)Outdoordesign 室內(nèi)設(shè)計參數(shù)Indoordesign 技術(shù)要求Technical General中國電建、卡塔爾QInvest和計劃共同投資，在建設(shè)運營一座燃煤電廠，電廠容量為2x660MW。廠址位于卡拉奇市東南方約37公里處港口Pakistan2x660MWcoal-firedpowernt,jointlyinvestedbyPowerConstructionCorporationof,QatarQInvestandPakistanernment,isnnedtobebuiltinPortQASIMIndustrialParkabout37kilometerssouth-eastofKARACHIcity,adjacenttotheArabiaSeashallows.SEPCOIIIastheEPCbidderisresponsiblefordesign，manufacture，supply，delivery，erection，commissioningandperformancetestingofeachunitonEPCbasis.Design---CodeandstandardsmentionedinEPCtechnical-- sanddrawingsprovidedbymainequipment---Clarification、MOMandcommentsbetweenITPCLand---CategorizedTypicalComponentsDesignManualforandWaterPiofFossilFuelPowernt.---Codefordesignoffossilfiredpower可行性及意---Feasibilitystudyreportandreview---EIAandapprovalofEIAofportQasimcoal-firedpowerECP---EPCtechnicalProject2TMCR工況的設(shè)計出力為660MW。Theprojectisanewly-builtpowernt，twopulverizedcoalfiredsupercriticalgeneratoreachconnectedtoanindividual turbinegeneratorcompletewithalltherequiredauxiliariesandthebalanceofntwillbebuiltinthisphase.Thedesignpoweroutputoftheeachunitshallbe660MWat100％TMCRcondition.Theclimatological最球溫 最低干球溫 AmbientAirumdrybulb Minimumdrybulbtemperature 最高平均濕度（夏季 最低平均濕度（夏季 RelativeMeanumhumidity MeanMinimumhumidity（Summer） 年降雨量（最大 Annualrainfall（um） 設(shè)計濕球溫 設(shè)計干球溫 DesignAmbientDesignAmbientWetbulb DesignAmbientDrybulb 設(shè)計環(huán)境溫 設(shè)計相對濕 DesignambientconditionsforGenerator，fansDesignambienttemperature Designambientairrelative 基本風(fēng) 按Basicwindpressure AsperIS：875環(huán)境相對濕 冷卻水溫 AmbientConditionsforunitperformanceAmbientairrelative Coolingwaterinlet ScopeofThescopeofFlueGasDesulfurization(FGD)partdesignincludes：mechanicalsystem、electricalsystemI&CsystemwastewatertreatmentsystemandVentilationairconditioninganddustcollectionsystem.MECHANICALTechnicalspecificationsofTechnicalspecificationsofmainequipmentsarequotedfromtechnicalcontractofmainTheassistedcirculationsupercriticalonce-throughboilerismanufacturedbyHarbinboiler平衡通風(fēng)、露天布置、架結(jié)構(gòu)Supercritical，assistedcirculation，directpulverizedcoalfiredwithfourcornerstangential steelstructuretype。Sometechnicaldataofboilerlistedinthefollowingtableispreliminaryandwillbemodifiedafterpulverizedmillordered.Inthefollowingtable,boilerratedload(BRL)conditioniscorrespondingtoturbineumcontinuerate(TMCR).名DesignWorst設(shè)計煤種DesignFlowofPressureofsuperheater℃FeedwaterPressureofeconomizer economizerinlet℃FlowofPressureofRHTemperatureofRH℃名DesignWorst設(shè)計煤種DesignPressureofRHTemperatureofRH℃ ℃Firstspraywaterofsecondaryspraywaterofemergencyspraywaterof000heatlossduetounburnt％（按低位發(fā)熱值GuaranteedboilerefficiencybasedonHHVExcessaircoefficientofTemperatureofprimaryairatinletofAPH℃TemperatureofprimaryairoutletofAPH℃TemperatureofsecondaryairatinletofAPH℃名DesignWorst設(shè)計煤種DesignTemperatureofsecondaryairatoutletofAPH(tentative)℃Temperatureofgasatoutlet℃Temperatureofgasatoutlet℃Boilertechnicalcriteria/序號Design119.08232209843(TOFURNACEEXIT)93734No.ofcoalandoilNo.ofcoalandoilburners-24and125CoalfiringstableoperationloadThecoalfiringstablerangewillbewithdesigncoalandwithoutoil2.2和吸收劑FuelandDesulfurization2.2.1來源及特性Fuelsourceand電廠燃煤以煤為主要ThecoalforthepowerstationwillbeIndonesia ysisdataofcoalandashisshowninTable2.2.1-Table2.2.1- Coal名單1全水分%2 %3水分%灰分%揮發(fā)份%固定碳%4567%%%%%%%8℃℃℃℃9名單 2.2.2DesulfurizationDesulfurizationabsorbentisLimestone，TheysisdataofcDesulfurizationabsorbentisshowninthefollowtable.%%%CalciumOxide%%消耗量FuelFuelconsumptionislistedinthefollowing表- 鍋爐消耗Table- Fuelconsumptionofthe序號設(shè)計煤種BMCR煤種BMCR1tyof臺12122CoalconsumptionperLimestoneThelimestoneconsumptionofFGDisshowninthetable石灰石耗量（兩臺爐Limestoneconsumption（twoDesignWorstHourly（24h，Daily（7500h，脫硫工藝系 Mechanicalsystemof13-F06221C-J03-01FGDMechanicalsystemrefersto13-F06221C-J03- 設(shè)計數(shù)據(jù)DesignDataofFGD石灰石-石膏濕法煙氣脫硫效率不低于95.5％，主要的設(shè)計數(shù)據(jù)如下：TheefficiencyofFGDisnotlessthan95.5%.Themaindesigndataareasfollows：DesigncoalWorstcoalFluegasExcessairGas℃煙囪出口SO2SO2emissionconcentration%FlueGasThefluegassystemmainlyconsistsoftheoriginalfluegasduct,cleangasductandthegasdampers.TheoutletfluegasofIDFfromtheoriginalfluegasductwillbedraftedintotheSO2absorptiontowerdirectly.Thefluegasisdischargedintoatmosphereafterbeingcleanedbytheabsorptiontowerthroughcleangasductandchimney.By-passfluegasductsystemisadoptedforFGDsystemofthisproject.WhenFGDshaveproblemsandneedtoshutdown,theboilerscancontinueoperatingthroughopeningtheby-passgasductsystem.TheSO2absorptionsystemisthecoresystemofFGD.ThereactionintheAbsorptionTowerisasfollows:2CaCO3+SO2+2H2O+1O2→CaSO4·2H2O+CO2↑2液池安裝有4臺側(cè)進(jìn)式攪拌器，用于使?jié){液保持流動狀態(tài)。每座吸收塔配置3臺漿液2臺氧化風(fēng)機(jī)，11Thesystemincludesabsorptiontower，slurrycirculatingpumps，gypsumslurrydischargepumps,spraylayers,oxidationairdistributionsystem,demisterandflushingwatersystem,agitator,inletfilterscreen,andsoon.Oneboilerhasonecounterflowingtypeabsorptiontower.Inordertokeepthefluidizationofslurry，foursideinlettypeagitatorsareequippedintheslurrypitundereachabsorptiontower.Eachabsorptiontowerisequipped3setsofslurrycirculatingpumpand2setsofoxidationairfans,oneoperatingandonestandby.吸收劑系統(tǒng)AbsorbentPreparation吸收劑系統(tǒng)主要由石灰石卸料機(jī)、皮帶輸送機(jī)、斗式提升機(jī)、石灰石儲倉、皮約為20t/h。Theabsorbentpreparationsystemincludeslimestoneun-loader,beltconveyor,bucketelevator,limestonesilo,beltweighingfeeder,wetballmill,millrecirculationandpump,thelimestoneslurrycyclone,thelimestoneslurry,limestoneslurrypump,agitator,piandvalvesetc.Onesetofabsorbentpreparationsystemisusedfortwouintstogether,therearetwosetsofwetballmill,eachmill’soutputis20t/h.Limestoneistransportedtounloadinghopperofthefactorybytruck,andviabeltconveyor，primarymetalseparator，bucketelevator,thelimestoneisstoredinthelimestonesilo.Afterwards,thelimestoneistransportedintowetballmillbybeltweighingfeederaftertreatedbysecondarymetalseparator.Thelimestoneismilledintoslurryinwetballmill，andtheslurryistransportedtothemillrecirculation.Thelimestoneslurryistransportedtothehydrauliccycloneforseparatingbythemillrecirculationpumpandtheunderflowleftmaterialwillberecycled.Theoverflowmaterialisstoredinthelimestoneslurry,andthenistransportedtoabsorptiontowerthroughthelimestoneslurrypump.Therearetwosetsofsteellimestonesilos.Thecapacityofeachsiloisnotlessthan7.5daysoflimestoneconsumptionundertheoperationofBMCR.Thesecondarymetalseparatorisequippedintheoutletofsilo.設(shè)置1個事故漿液箱，用于在吸收塔檢修、停運或事故情況下排放的漿液。ThereisonesetofemergencyslurrytostorethedischargedslurrywhenFGDisinmaintenance,orshutdownorhasaccidentcases.Emergencyslurryhasthreeagitatorstopreventtheslurrysedimentation.Theslurryintheemergencyslurrywillbetransportedtoabsorptiontowerbeforeitsrestartingbytwosetsofemergencyslurryreturnpumps(1operatingand1standby).processwaterissettosupplyprocesswaterforFGDsystem.Thecapacityofcanmeettherequirementof2hourswaterconsumptionunderBMCRconditioninthedesigncondition.Thewaterisfromnearbyindustrialwaterandmake-upwaterpipenetworksystem.Theprocesswaterfordesulfurizationistransportedtotheequipmentsbythreesetsofprocesswaterpumps(twooperatingandonestandby).ThecoolingwaterusedforFGDisfromtheclosedcyclecoolingwatersystemofntmainArrangementschemeofFGDsystemarrangementrefersto13-F06221C-J03-02and13-F06221C-J03-03.ThefinalarrangementschemeofFGDwillbeconfirmedafterbidding.PowerSupplyofDesulfurization11kV11kV廠用段直接提供。Therewillbenodedicated11kVbusbarfordesulfurizationsystem.Thepowerwillbedirectlydbycorresponding11kVauxiliarybusbar.2臺互為備用的脫硫低壓變壓器，為脫硫系統(tǒng)低壓用電負(fù)荷供電。脫硫PC按布置于脫硫場地的配電間內(nèi)。Therewillbe2mutuallystandbyLVtransformersfordesulfurizationsystem.ThePCswitchgearwillbearrangedinsidedistributionroomofdesulfurizationnt.MCCPCPowersupplyofACemergencyMCCofthedesulfurizationsystemwillbeprovidedbytheunitACemergencypowersupplysystemanddesulfurizationPC.DesulfurizationsystememergencyMCCswitchgearwillbearrangedindistributionroomofdesulfurizationnt.I&CPARTGeneral2×660MW機(jī)組分別加裝一套石灰石--石膏煙氣濕法脫硫裝水處理系統(tǒng)、工業(yè)水及冷卻水系統(tǒng)，脫硫電氣系統(tǒng)。Thisprojectfor2x660MWunitsrespectivelyequippedwithasetoflimestone-gypsumwetfluegasdesulfurizationdevice.FGDunitsystemincludesthefollowing:fluegassystem,Thewetfluegasdesulfurizationdevicesystem.FGDcommonsystemincludesthefollowing:Thelimestoneslurrypreparationsystem,Slurryemptyingsystem,Maintenanceofgypsumdewateringsystem,Gypsumstoragesystem,wastewatertreatmentsystem,Industrialwaterandcoolingwatersystem,FGDelectricalmonitoringandcontrolsystem.ControlModeandControlRoomControl將脫硫系統(tǒng)納入主機(jī)DCS，正常運行在集控室操作員站脫硫系統(tǒng)，在脫硫島就地控制室設(shè)立調(diào)試用脫硫操作員站。脫硫DCS系統(tǒng)的軟硬件將于主機(jī)DCS系統(tǒng)保持TheFGDisincludedinunitsControlSystem.Duringnormaloperation,thecontrolandmonitoringofFGDcanbeimplementedinCCR.Duringmaintenanceandtesting,FGDcanbeimplementedintheinLCR.FGDDCSwilladoptthesamehardwareandsamerastheDCSusedforthemainnt.ControlRoomTheCCRwillbearrangedincentralcontrolbuilding.FGD-DCSoperatorstations,willbelaidinCCR.EERandLCRwillbeprovidedforFGDwherecontrolcabinetsandoperatorstation,engineerstationusedforoperationtestingandinspectionareprovided.I&CAutomation在集中控制室通過兩臺脫硫操作員站（LCD、鍵盤、鼠標(biāo)等）為中心，在值InCCR,theoperationmanagementofeachunitFGDandFGDcommonsystemwillbecontrolledbytwooperators.TheFGD-DCSoperatorworkstation(includingLCDandkeyboard/mouse)willbetakenasthemonitoringandcontrollingcenter.FGDsystemstartupandshutdown,monitoring&controlduringnormaloperation,andhandlingofemergency&abnormalconditionswillberealizedwithminorinterventionandcooperationofshift脫硫DCS主要范圍FGD-DCSmonitoring護(hù)使用。脫硫DCS與機(jī)組DCS網(wǎng)絡(luò)設(shè)置接口，在集中控制室設(shè)置站，以便于操作FGDsystmwillbemonitoredandcontrolledinLCRbyDCScontrolequipment.AndFGD-DCSwillinterfacewithunitcontrolnetworkwhichcanrealizethecontrolandmonitoringofFGDsystemthoughoperatorstationslocatedinCCR.SoFGDsystemcanbemonitoredandcontrolledeitherinLCRorCCR.FGDsystemincludesthefollowing:Thelimestoneslurrypreparationsystem,fluegassystem,Thewetfluegasdesulfurizationdevicesystem,Slurryemptyingsystem,Maintenanceofgypsumdewateringsystem,Gypsumstoragesystem,wastewatertreatmentsystem,Industrialwaterandcoolingwatersystem,FGDelectricalmonitoringandcontrolsystem脫硫系統(tǒng)人機(jī)接口及設(shè)備FGDHMI&TheHMIandperipheralstobeprovidedasfollows(per1LCD/Keyboardforoperatorstations–1No.公共部分提供以下人機(jī)接口及設(shè)備TheHMIandperipheralstobeprovidedasfollows(common1engineeringstations–11LCD/Keyboardforoperatorstations1臺printersforoneMODBUS/MODBUSPLUS通訊協(xié)議。PerfectandreliableinterfacewillbeprovidedbyFGD-DCStoconnectwithothercontrolsystems.CommunicationprotocolwillbeRS232,RS485/422,TCP/IP,MODBUS/MODBUSTheimportantinterlockprotectionandcontrolsignalsofFGDsystemconnectedbyhardwiredwithunitDCSsystem.I&Cautomation脫硫控制系統(tǒng)功能主要包括系統(tǒng)（DAS）、模擬量控制系統(tǒng)（MCS）、ThemainfunctionsofFGD-DCSincludes:DAS,MCS,Inaccordancewithtechnicalprocesssystem,automationsystemswillbedividedintosomeindependentfunctiongroups，everyfunctiongroupswillincludeseveralsub-groupsi.econtrolsub-groupanddrivercontrol.AllkindsofauxiliaryequipmentandvalvesthatcanbecontrolledremoyunitwillbecontrolledbySCS.4.4.1系統(tǒng)（DAS）DataAcquisitionSystem通過LCD顯示和等人-機(jī)接口裝置，將脫硫DCS系統(tǒng)的所有過程輸入/輸出值和系統(tǒng)提供了一個基于LCD的完善而靈活的人機(jī)界面。DASisthemainmonitoringmethodforFGD-DCSoperations(includingallnormal,emergency,start-up,shut-downoperations).ThroughHuman-machineInterface(HMI)suchasLCDandprinteretc.,DASwillprovidevariousprocessI/O,operationinformationandabnormityalarmtotheoperatortomeetcontrolrequirements,provideareliableandflexibleinterfacebetweenoperatorandmachinebasedonLCDforFGD-模擬量控制系統(tǒng)（MCS）ModulatingControlMCS將整個脫硫作為控制對象,通過多種控制方式保持脫硫系統(tǒng)各輸入/輸出的能MCSwillcontroltheFGDsystemtokeepenergyandqualitybalanceofFGDsysteminput/outputthroughkindsofcontrolmode,atthesametime,MCSwillensurethatFGDsystemhaverapidlyrespondingvariableloadabilityandkeepmainparametersstabilization.Theclosedloopmodulatingcontrolsystemwillmainlyincludethefollowingcontrol石灰石漿給料量Thelimestoneslurryficationally石膏漿排放量控Gypsumslurryemissions吸收塔液位控Absorptiontowerlevel石灰石漿液箱液位控Thelimestone level石灰石漿液濃度Thelimestoneslurryconcentration皮帶脫水石膏厚度控Thicknessofgypsumbeltdehydration濾液水位控Thefiltratelevel廢水Wastewaterflow中和池、沉降池和絮凝池的PH控Neutralizingpond,sedimentationpond,flocculationbasinPH出PH控10) PHcontrol順序控制系統(tǒng)（SCS）SequenceControlSystemSCS是按照工藝系統(tǒng)各設(shè)備的啟、停、聯(lián)鎖和保護(hù)要求,設(shè)計完善的控制邏輯,實現(xiàn)SCSiscomposedofdifferentfunctiongroupsdefinedaccordingtoprocesssystem.Eachfunctiongroupwillachievespecifiedstart-up/shutdownfunction.Therearethreeclasses(viz.functionclass,sub-functionclassanddriverclass)inSCS.Sub-functionclasswillbethemaincontrolmodeandpartwillreachfunctionclasscontrollevel.Processcanbecontrolledbyauto,manualorsequencemodes.按照工藝生產(chǎn)過程,SCSSCSincludesfollowingmainfunction脫硫系統(tǒng)啟停順序控FGDsystemstart\stopsequence除霧器清掃順序Misteliminatorcleaningsequence吸收塔再循環(huán)泵啟、停及事故聯(lián)Theabsorptiontowerrecyclepumpstart\stopandinterlocksequence吸收塔排漿泵啟、停及事故聯(lián)Theabsorptiontowerslurrypumpstart\stopandinterlocksequence石灰石輸送順序Limestonetransportationsystemsequence石灰石制漿系統(tǒng)順序控Thelimestonepulsystemsequence石灰石漿液泵啟、停及事故聯(lián)鎖順序控7)Limestoneslurrypumpstart\stopandinterlocksequence保護(hù)及熱工AlarmAllalarmitemsinthescopeoftheDASfunctionwillbedisyedonLCDandprintedthroughprinters.MainI&CEquipmentSelectionControlFGDwillbemonitoredandcontrolledinLCRandCCRbyDCS.HardwareconsistentwithunitDCSwillbeadoptedasfaraspossilbe.(CEMSContinuousEmissionMonitoringSystemDCS連續(xù)監(jiān)視和顯示煙筒內(nèi)煙Continuousemissionmonitoringequipmentwillbeprovidedtomonitorthentstackemissions.IndicationandrecordingoftheconcentrationsofgasesinthestackwillbecontinuouslymonitoredanddisyedbytheDCSandwillinclude,asaminimum：FluegasO2,CarbonMonoxideCO,SulphurDioxideSox,OxidesofNitrogenNOx,StackOpacity.就地設(shè)備及儀表LocalDevicesandThelocaldevicesandinstrumentswillbeadoptedtomeetthecontrolfunctionrequirementforFGDsystemstartup,continuousrunningandsafeshutdown.Theinstrumentdesignedwillbeasperindustrystandard,EPCcontractandmeetingrelevantcoderequirements.Measurementofntprocessparametersutilizingsignaltransmittinginstrumentssuchastransmitters,switches,thermocouples,RTDs,etc.areprovidedtosupportcontrolmonitoring,alarmandprotectionaswellasforntandequipmentsperformancecalculations.Localindicators,suchaspressuregauges,thermometers,levelgaugesetc.arealsoprovidedformaintenanceandlocalAllimpulselines,fittings,valvesandweldedpartsofinstrumentwillbecompatiblewiththeprocessdemand.Instrumentpiwillbedesignedforumdesignpressureandtemperatureoftheprocess.TherulesforusingofmanifoldVacuumtransmitterwillerectsinglevalve,otherpressuretransmitterandswitchwillerectsinglevalve；Water& systemdifferentialpressure，level,flowtransmitterwillerectthree-manifoldvalve,differentialswitchwillerectthree-manifoldvalve；differentialpressuretransmitterandswitchofoilsystemandvacuumsystemwillerectthree-manifoldvalve；differentialpressureandflowtransmitterofair,fluegasandcoalsystemwillnoterectmanifoldvalve.Therangesoftheinstrumentswillbeselectedbasedonthefollowingphilosophyindicated對于壓力和負(fù)壓測量，最大運行壓力應(yīng)該保證在儀表最大量程的70-80%。所有的Forpressureanddraftmeasurements,theumoperatingpressurewillbewithin70to80%ofthe umscalerange.Allpumpsuctionmeasurementwillcoverthenegativepressurerangealsoandalldraftgaugeswillcoverthenegativepressureaswellasthepositivepressureasthecasemaybe.1/32/3Forpressuregauge,theoperationalpressureis1/3~2/3ofthegaugeFortemperaturemeasurement,theumoperatingtemperaturewillbewithin80toof umscaleForpressureswitchesandtemperatureswitches,thesetpointswillfallwithin40%to70%ofthescalerangeselected.Forlevelmeasurement,theumoftherangewillcovertheoverflowpointfromthetopofthevesselandtheminimumoftherangewillabovethebottomofthevessel.Forflowmeasurement,theumrangewillbefixedatabout10to15%abovetheumoperatingflow.設(shè)定點10-15%。Forelectro-chemicalmeasurements(conductivity,pH,O2,etc.),theumrangewillbearound10to15%higherthanthe mendedalarmsettings.Forgasysers,theumrangewillbearound10to15%higherthanthemendedalarmsettings.4.3.5其他原則Other變送器為控制器和提供所需的4-20mA信號。變送器是電子的、兩線制，在24VDC600I/O卡。Transmitterswillbeusedtoprovidetherequired4to20mAsignalsforallcontrollersandreceivers.Transmitterswillbeoftheelectronic,two-wiretype,capableofdrivinganoutputimpedanceof600ohmsminimumat24VDC,andwillbegenerallypoweredfromthecontrolsystemI/Ocards.Smarttransmitterwithlocaldisy.0.01%范圍。溫度在+55°C范圍內(nèi)不能影響0.1%的精確度和可重復(fù)性。Pressure,flow,differentialpressure,level,temperature,andothermiscellaneousaccuracywillbewithin0.1%ofcalibratedspanandwillhaverepeatabilityof+0.1%ofspanorbetter.Errorscausedbychangeinambienttemperaturewillnotexceed0.01%ofspanper°Cchange.Temperaturevariationsof+55°Cwillnotaffectthe0.1%accuracyratingnorthe0.1%repeatability.Temperatureelementsshallhavethermo材質(zhì)為304不銹鋼，并滿足耐鹽霧腐蝕的要求。EnclosureofIndoorlocatedsystemcabinetsshallbeminimumIP-32.EnclosureofpanelandinstrumentshallbeIP66.Materialwilluse304stainlesssteelandmeettherequirementsofsaltspraycorrosion.Motor-drivenactuatorsandpaticactuators：Actuatorshavebeenusedmultinationalproductsforallimportantservices.Anymakeactuatorsareused,whichareofveryhighqualityandhaveproventrackrecord.Cableandcable模擬量信號采用分屏和總屏雙絞線獨股銅線電纜；數(shù)字量信號采用總，Individualpairshielded&overallshieldtwistedpaircoppercables(singlestranded)willbeusedforogsignals&overallshieldedandnontwisted(corecables)cableswillbeusedfordigitalsignals.Thesizeofthedigitalcableswillbeasperthevoltagelevelsandvoltagedrop.AlltheinsulationincludingoverallsheathwillbeFRLSquality.Ferrulingindicatingterminalnumbersonterminationsidewillbefollowed.（每米最少20絞）的交聯(lián)聚乙烯絕緣，帶總屏或者分屏，PVC內(nèi)護(hù)套，外護(hù)套帶阻燃低煙PVC化合物。Instrumentationcableswillbe600VACgrade,strandedhighconductivityannealed,tinnedcopper,twistedpair(withmin.20twistsformeter)extrudedXLPEinsulatedwithoveralland/orindividualscreening,extrudedPVCinnersheathed,extrudedoutersheathedwithFRLSPVCcompound.4.4.2控制電纜（用于開關(guān)量信號）：Controlcablesusedforbinary600VAC阻燃PVC。為保證控制回路的測量精度或者電壓降，應(yīng)該考慮足夠的電纜線芯橫Controlcableswillbe600VACgrade,multicore,strandedcopperconductorhavingsinglestrands,XLPEinsulated,innerFRLSPVCsheathedoftypeST-1,outersheathmadeofFRLSPVCcompoundoftypeST-1.Insituationswhereaccuracyofmeasurementorvoltagedropincontrolcircuit,warrant,highercrosssectionsasrequiredwillbeused.電磁閥電源電纜線芯截面最少為1.5平方毫米。Solenoidvalvepowersupplycableswillbeminimum1.5sq.mm.Othercontrol導(dǎo)體材質(zhì):導(dǎo)體尺寸1.0mmsquare絕緣材料:交聯(lián)聚乙烯護(hù)套材料:PVC材料:Coppertape.Conductormaterial:copperInsulationmaterial:XLPESheathmaterial:PVCShieldmaterial:導(dǎo)體材質(zhì):銅導(dǎo)體尺寸2.5mm絕緣材料:交聯(lián)聚乙烯護(hù)套材料:PVCPowercable：Powercablewillbe600VACConductormaterial:copperConductorsize:2.5mmsquareInsulationmaterial:XLPESheathmaterial:PVCFiberOpticMono-modetypefiberopticcablewithfollowing波長波段最優(yōu)化的：1300nm包層直徑：125m芯/覆蓋層的不同心度：過2覆蓋層的不圓度：過3衰減：在1300nm每小于0.3-0.4在1550nm每小于0.15-0.25Wavelengthbandoptimized:850nm/1300nm/Claddingdiameter:125m+Non-concentricitycore/cladding:notmorethanNon-circularityofcladding:notmorethanCut-offwavelength:Attenuation:lessthan0.3-0.4dB/kmat1300nmlessthan0.15-0.25dB/kmat1550nmMulti-mode(optical)fibrecablewithfollowing100mbps的以太網(wǎng)中，多模光纖最長可2000米的傳輸距離，多模光纖的芯線標(biāo)稱直徑規(guī)格為62.5μm/125μm.或50μm/125μm.100mbpsEthernet,multi-modefibercansupportaumtransmissiondistanceof2,000meters,multi-modefibercorewirenominaldiametersizes62.5μm/125μm.or50μm/125波長波段最優(yōu)化的：850nm包層直徑：125um在1300nm每小于0.6-Wavelengthbandoptimized:850nm/Claddingdiameter:125um+Non-concentricitycore/cladding:notmorethan≤1.5Non-circularityofcladding:notmorethanAttenuation:lessthan2.8-3.5dB/kmat850nmLessthan0.6-1.5dB/kmat1300nmCabletraytoplayercoverstobeused.Fieldcablesfrommaintraytofieldinstrumentshallbefullyprotectedwithsteelpipesuptofieldinstrument.測量單位MeasuringAllmeasurementsandindicationsshallfollowunits壓力kPa/真空:mmWCPa差壓:PakPa溫度流量(空氣流量(蒸汽、液體流量(油literstotalisedkilomm,cm,密度:kg導(dǎo)電度: /氣體分析byvolumeppm kPa/Vacuum:mmWC/Pa/Differentialpressure:Pa/kPa/Temperature:Flow(gases):Flow 、liquid)Flow(lub.Oil):liters(totalised)/kiloLevel:mm,cm,Density:kg/Conductivity:micro/Gasysis:%byppm/火災(zāi)系統(tǒng)firealarmanddetection統(tǒng)設(shè)備選型應(yīng)于全廠火災(zāi)系統(tǒng)保持一致。FGDsystemsetsfirealarmanddetectionsystem,andaccesstothentfirealarmanddetectionsystem.TheequipmentslectionofFGDfirealarmanddetectionsystemshallbeinthesamewiththentfirealarmanddetectionsystem.通訊FGDsystemsetsadministrativecommunicationanddispatchingcommunicationsystem,whichusesthentElectronicPrivateAutomaticBranchExchanger.TheFGDsetsdistributionboxastheinterfacewiththepowerntcommunicationsystemcommunication.PowerSupply&AirSupplyfor電源PowerTwo(2)loop230VAC50HzpowersderivedfromFGDIslandUPSandpowersupplyfeederswillbedesignedtomeetelectricpowerrequirementsofimportantinstrumentpowersupplycabinetandFGD-DCScontrolsystems.220VDC230VACUPSInFGDIsland,only220VDCand230VACUPSwillbe保護(hù)、控制用直流電源,220VDC雙回路供電,Two(2)loop220VDCpowersusedforprotectionandcontrolwillbederivedfromtheFGDislandstoragebatterysets.Powerusedformotor-operatedvalvesinFGDislandistwo(2)looppowersof400V/230VACderivedfromFGDislandlowvoltageauxiliarypowerbusandemergencypowersupplyfeeders.4.6.2AirAirsupplyforinstrumentwillbespecialcompressedair.Itisdry,cleanandoil-less,water-less,dust-lessair.Anditmeetstheinstrumentairqualitystandard.壓力：一般為0.5-0.8MPa溫度：約40℃含油量：8ppmTheinstrumentairqualitystandardisasfollow:Pressure:5～8kg/cm2Temperature:aboutOilcontent:oilcontentwillcontrolunderPressuredew-point:thedewpointintheworkpresswilllow10℃thanconditionlowestDustcontent:≯1mg/m3Instrumentairpiwilluse304stainlesssteelpi間為10分鐘考慮。 isprovided.Itsvolumeguarantees10minsupplyofairwhenallairstopandairsupplypressureisnotlowerthantheminimumallowableworkingpressureof aticequipment.熱工自動化ThermalautomationSpecialmaintenanceandtestingequipmentwillbedtogetherwithFGDautomaticKKScode本發(fā)電廠標(biāo)識系統(tǒng)(簡稱KKS)規(guī)范書為參考公司《發(fā)電廠標(biāo)識系統(tǒng)KKS》、Thespecificationsofidentificationsystemforpowernt(KKSinabbreviation)arecompiledaccordingtoIdentificationSystemForPowerntOf，CodingStandardforPowerntIdentificationSystem(GB/T50549-2010),aswellascombiningwiththeparticularconditionsofPakistanPortQasimCoal-firedPowerProject.DesulphurizationwastewaterThefluegasdesulfurizationadoptslimestone-gypsumwetFGD廢水水質(zhì)控制指標(biāo)》（DL/T997-2006）要求。ThewaterqualityindexesofwastewatergeneratedfromdesulfurizationsystemaftertreatmentcanachievethequalityofstandardsDischargeStandardofWastewaterfromLimestone-gypsumFlueGasDesulfurizationSysteminFossilFuelPowernts(DL/T脫硫廢水→廢水緩沖箱→廢水泵→中和槽→沉降槽→絮凝槽→澄清池→pHTheFGDwastewaterprocesssystemFGDwastewater→wastewaterbuffer→wastewaterpump→settlement→Flocculation→clarifier→pHadjustment→dryashhumidificationorcoalyardsprayThedesulfurizationwastewatertreatmentsystemisarrangedtogetherwiththegypsumdewateringfacilitiesofdesulfurizationfacilities.Ventilation、airconditioninganddustSeethesectiondesign 溫度濕度溫度濕度時≥IndoordesignRoomfreshequipmentDCandUPSSwitchgearOxidatingCable≥dewateringwastetreatmentSwitchgearroomshallbeequippedwiththenaturalairintakesystemandmechanicalairexhaustsystem.Keeppositivepressureindoor.Airsupplysystemshouldhavefiltrationsystem.Ventilationairflowis35℃atmostaccordingtosummerexhausttemperature,withtheairchangesnotlessthan12time/hforventilationrate.Ifventilationsystemcan’tmeettherequirements,othercoolingmeasurecanbeused.火時，可采用機(jī)械排風(fēng)，排風(fēng)量按換氣次數(shù)不少于6次/時計算，機(jī)械排風(fēng)系統(tǒng)，排風(fēng)設(shè)備Cableinterlayershallbeequippedwiththenaturalairintakesystem.Ifitcan’texcludeexcessheatindoororusegasfire-extinguishingsystem,itshallbeequippedwiththemechanicalairexhaustsystemwiththeairchangesnotlessthan6time/hforventilationrate.Exhaustfanofmechanicalairexhaustsystemisaxialflowfan,andintakelouvercontainsmetalnetfilter.DCpanelandUPSroomshouldhaveaircoolingandheatpumpsplit-systemairconditionertokeeptheindoortempera