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10GoldenRules
forHeatConsumptionMastery
熱耗管理十大原則DPCOctober2009–V1DIVISIONORACTIVITY10GoldenRulesforHeatConsumptionMastery
熱耗管理十大原則Prepareaconsistentrawmix
穩定入窯生料Controloxygenlevelinkilnandpre-heater
控制窯內及預熱器氧含量
Optimizefuelcombustion優化燃燒Masterkilnstability穩定窯況Optimizecoolerefficiency優化冷卻機Masterpre-heaterandcalcineroperation控制預熱器及分解爐操作Optimizekilnthroughput優化窯產量Maximizereliabilityfactor最大化RFMinimizecementkilndustorkilndustloss最小化窯灰損失Applyoperatingprocedureswithskilledoperators熟練的操作員執行標準操作程序Notesonspecificprocesses
備注:關于特殊生產工藝2RULE1:Prepareaconsistentraw
mixWhatistheKFUIlevelinyourplant?
你們工廠的KFUI如何?Canyouimprovetherawmixburnability?
能否改善生料的易燒性?IstheclinkerC3Stargetoptimized?C3S目標值是否已經優化?準備穩定的入窯生料3Rawmixislinkedtospecificheatconsumption
生料對熱耗的影響
RawmixuniformityaffectsprocessstabilitythusSHC(Alsohaspositiveeffectsonproducts)
入窯生料的均勻性影響工藝穩定性,以及熱耗,產品(質量)ClinkerLSFaffectsclinkeringtemperature,oversaturationhastobeavoided
熟料的LSF影響燒成溫度,應避免過飽和LSFClinkeringtemperaturedegCRule1預均化效果礦山原料變化入窯生料穩定性取樣及質控取樣誤差控制策略及頻次分析儀校準;儀器故障時窯灰管理
開停生料磨時數量/質量變化均化庫的效率粉磨細度及大小分布配料倉中料的變化卸料均勻性計量精度4RawmixImpactsspecificheatconsumption生料對熱耗的影響
TheburnabiltyindexofrawmixhasadirectimpactonSHC.(MeasuredusingLafargeK1450index)生料的易燒性系數對熱耗有直接影響(用K1450評估)
Source:ETC2008rawmixannualsurvey
來源:ETC2008生料年度調查ImpactonSHCdependsonK1450level:K1450對熱耗的影響Mainsfactorsaffectingburnability:
易燒性的主要影響因素ImpactonK1450
對K1450的影響
Rawmixfineness
生料細度+1%res100mm-1.6Quartz
石英+1%-10Aluminaratio
鋁率+0.14MgO+0.1%+2.6Na2O+0.1%-12S+0.1%+3.8NotanegativeimpactifS/A>2.5
如果S/A>2.5
會產生負面影響Rule15Prepareaconsistentrawmix
準備穩定的生料Prerequisite
前提條件Teamwork-Quarry,Lab,ProductionandProcess
團隊工作-礦山,化驗室,生產,工藝Actions行動Settargetfor設定目標值 Typicalvalue典型值 KFUI <14 ClinkerC3S熟料C3S 60%MonitorK1450evolution
監測K1450
HaveaweeklyreviewofC3SandKFUIduringperformancemeeting;emergencyactionplantobeimplementedifKFUI>30
每周業績會上回顧審視C3S及KFUI:如果KFUI>30
,需采取緊急措施Implementregularfollowupofburnabilityindex(minimumonceayearduringrawmixandclinkermappingexercise);actionplanifK1450<50.
執行定期檢查易燒性系數(最少一年一次),若K1450<50則采取行動Reviewtheselectionofrawmaterialsinthescopeofburnabilityimprovement(slag,puzzolana,quartzreduction)onceayear每年檢查回顧一次原料選擇對易燒性的影響(礦渣,火山灰,石英減量等)Performarawmixlineauditevery3years,usingrawmixauditgrid采用生料審計表格,每三年進行一次生料系統的審計Measurementmethods
測量方法KFUI:dailymeasurement每天檢查K1450:Testofburnabilityforcementplantrawmeal,doneinTClabonly
生料易燒性試驗:僅在TC實驗室做。Support支持文件Rawmixpreparationtrainingmaterial
生料制備培訓資料TechnicaldoctrineRawmix
生料相關技術文件
Rule1K14506RULE2
Controloxygenlevelsinkilnandpre-heater
控制窯及預熱器的氧含量Whatistheoptimumoxygenlevelforyourkilnsystem?
你們工廠窯系統的優化的氧含量是多少?Isyourfalseairundercontrol?
工廠的漏風量在控制范圍內嗎?Canyouroperatorsrelyonyourgasanalysissystems?
工廠的操作員是否能依靠氣體分析儀系統?7Manageexcessairatkilninletandcalcineroutlet管理窯尾煙室及分解爐出口過剩空氣量Prerequisite前提條件Teamwork–Process,MaintenanceandProduction團隊協作-工藝,維修和生產Actions行動SettargetO2levels設定目標O2含量Typicalvalue典型值
Kilninlet窯尾煙室2-3%(accordingtokilnandfuels依據窯及燃料)KeepkilnInlettargetoxygenshouldbesetaslowaspossible,whilstmaintainingCO<100ppm(andSO2<3000ppm)
窯尾煙室O2含量盡量低,同時CO<100ppm(SO2<3000ppm)
NotebulkyAF&ARMmaycauseCOhigherthan100ppm(seePost-SevillaCombustionmanual)注意塊狀替代燃料或原料可能導致CO含量高于100ppm(見Post-SevillaCombustionmanual)Investigatecombustionparametersforvaluessignificantlyhigherorlowerthantarget,tofinditemstoimprove
審視工藝參數是否有明顯的高于或低于目標值,找出并改進。Maintainreliableandaccurategasanalyzersandsamplingsystems維護好氣體分析儀和取樣系統:可靠,準確。Ensurecorrectlocationofprobes-samplethemainprocessgasstreamwithoutcontaminationbyfalseair.
確保探頭在正確的位置-對主要氣流取樣,避免受漏風的影響。Weeklycalibration(minimum)byinstrumentdepartment
由自動化部門每周(至少)進行校準。Frequentprobecleaningasrequired(automaticandmanual)byproduction生產單位按需求頻次清理探頭(自動或手動)Withairseparatesystems,ensureproperfunctioningoftertiaryairdamper(orcalcinerdiaphragm)
帶三次風管的窯型,應保證三次風門(或)縮口閥門功能正常。Measurementmethods測量方法Continuousmonitoringbygasanalyzers氣體分析儀連續測量CrosscheckO2accuracyreadingwithportableanalyzers
用便攜式分析儀校對O2準確性。Support支持文件SeeprocedurePRPYRP0845:“Measuregascompositionbygasanalyzer”
見程序PRPYRP0845:“用氣體分析儀測量氣體成分”
Rule28ManageFalseAir管理漏風Prerequisite前提條件Teamwork團隊協作–Process,MaintenanceandProduction
工藝,維修及生產Actions行動Settargetfalseairlevels設定漏風目標 TypicalValues典型值Preheater預熱器 <5%Coolerexhaust 窯頭余風 <10%Developinspectionplan
編制檢查計劃Conductregularoverallmeasurements,inspectionsandrepairs(minimummonthly)
例行整體測量,檢查和維修(每月至少一次)Re-designrepeatedproblemareas重新設計(改進)頻繁故障區域Performdetailedmeasurementoversystem(minimumannually)每年至少一次全面測量Measurementmethods
測量方法Byoxygendifferencewherepossible
條件允許時測量O2差異Bytemperaturedifferenceonmillsandfilters
磨機及收塵器測量溫度差Directmeasurementbyvolumeflowdifference
直接測量風量變化Support支持文件SeeprocedurePRPYRP0609:“Controlfalseairinthepre-heater”
見程序PRPYRP0609:“控制預熱器漏風”SeeprocedurePRPYRP0610:“Measurefalseair”
見程序PRPYRP0610:“測量漏風”
Rule29TypicalSourcesofFalseAir典型漏風點
Missingbolts
法蘭FanSeals
軸封Doors
孔,門Doors孔,門FlapSeals
翻板閥軸封KilnInletSeal
窯尾密封ClinkerChute
熟料溜子ExpansionJoints膨脹節ClassifierSeal
軸封FeedingPoint
喂料點FeedingPoint
喂料點Doors
孔,門Doors
孔,門FanSeals
風機軸封PokeHoles
捅料孔FlangesTieRodSeals拉拉桿KilnHoodSeals
窯頭密封FanSeals
軸封Seals
鎖風,密封Seals
鎖風設備Casingcracks
殼體開裂Casingwear&corrosion
殼體腐蝕,摩擦Isolationdampers
隔離閥ExpansionJoints
膨脹節
Lookforgaps/cracks/missing
bolts/missing
packing
etc…查找:裂紋,間隙,螺栓脫落,盤根脫落
Listenforwhistlingair聽:風哨的聲音Lookfordust
blowingoutduring
startup看(找):啟動時冒灰Rule210RULE3OptimizefuelcombustionWhattypeofburner,whichset-upandwhatmonitoring?何種煤管?設定值?怎樣監測?Doyouhaveanoxidisingatmosphereinthekiln?你們窯內是否為氧化氣氛?優化燃料燃燒11Setupandmonitorawelldesignedburner
安裝和監測-設計良好的噴煤管:Prerequisite前提條件Teamwork:Production,ProcessandMaintenance團隊協作:生產,工藝及維修Recommendedhighmomentumburner(1stchoice:Lafargetype/AlternativeUnithermM.A.S/others)
推薦高推力噴煤管(首選:拉法基煤管/或者UnithermM.A.S/其他)Actions
行動Burnerset-ups
噴煤管安裝:(swirlanglesuchthatswirlrotationinsamedirectionaskilnrotation內風旋向應與窯旋向相同)
Lafargetype
拉法基煤管
Gas氣Oil油Coal煙煤
Petcoke
無煙煤
Alternativefuels
替代燃料recommendation
設計值(建議)Specificimpulse
推力比[Is][Nh/GJ]1,21,21,51,81,82,2Swirl
旋流比[-]0,050,08-0,150,150,150,150,15Alignburnerorflamewithkilnaxis(especiallywhenusingAF)噴煤管(或火焰)方向與窯同軸(尤其使用替代燃料時)UseLafargeburnerspreadsheettomonitormomentumandswirl,tobeadaptedtofuelpropertiesandkilnphysicalandoperatingconditions使用拉法基計算表格來監測推力和旋流比時,要根據燃料性質以及窯況來決定。Avoidexcessiveprimaryairandcontroltransportair,especiallywhenaddingseveralfuels(transportvelocityat25/30m/s,fuel/airratioat4/6kg/Nm3)避免出現過剩一次風(控制送煤風),尤其在使用多種燃料時(送煤風風速25/30m/s,燃料/空氣為4/6kg/Nm3)Lookforchangesinpressureforagivenflow,whichcouldindicatemechanicalchangesinburnerandothercomponents(eg:blowerdustfilters)當風量給定時,檢查壓力變化,其變化可能意味著噴煤管的一些機械問題或其他部分的故障(如:風機濾網等)Support
支持文件SeeTA“Fuelflexibility”
見技術文件“燃料多樣性”SeeprocedurePRPYRP0602:“Startup&optimizeaburner”
見技術文件PRPYRP0602:“噴煤管使用與優化”SeetoolPRPYRT09-05:“Lafargeburnerspreadsheet”
見計算工具PRPYRT09-05:“拉法基噴煤管計算表格”Rule312Operatethekilnwithanoxidisingatmosphere
在氧化氣氛下操作窯Prerequisite前提條件Teamwork:Production,ProcessandMaintenance,Quality
團隊合作:生產,工藝,維修,質控部門Reliablekilnbackendanalyzer,withCO/SO2*/NO,withresultsinppm,andO2可靠的窯尾氣體分析儀:CO/NO(單位為ppm)O2/SO2*
Actions行動Setgasanalysislevels設定目標值 TypicalValues典型值CO(inppm) <100SO2(inppm) <3000O2(in%):ifS/A<1,2 1.2–3
ifS/A>1.2 2–3.5Avoidlocallyreducingconditions(e.g.:withcoarsealternativefuelsSSW,animalmeal);forlowVolatileMatterssolidfossilfuels,respectthefollowingrules:避免局部還原氣氛(例如:粗的替代燃料SSW,動物骨料等)對于低揮發固體化石燃料,遵循如下原則:rejectsat200μm<0.1%200μm篩余<0.1%
rejectsat90μm<?VolatileMatters90μm篩余<?揮發物Asrequired,measureFeOonclinkertoqualifyqualityofburning
如需要,測量熟料中的FeO含量,以評價燃燒控制的水平Support支持文件SeeprocedurePRPRYP0845:“Measuregascompositionbygasanalyzer”
見程序PRPRYP0845:“如何用氣體分析儀測量氣體成分”“FeOmeasurement”proceduresetupwithTechnicalCentre
按TC程序“FeO的測量”
*ifS/A>1.2Rule313RULE4:MasterkilnstabilityWhatisthefreelimetargetandvariation?
你們工廠的游離氧化鈣目標?波動情況?Doyouminimizekilnfeedandfueldosingvariability?
你們工廠控制入窯生料秤及煤秤的波動(最小)么?Doyoumanageconsistencyoffuels?你們廠控制燃料的穩定性么?Ifyouhaveaprocesscontrolsystem,doyouoptimizecontrolloopsandmonitorperformanceregularly?如果有過程控制系統,你們廠是否優化了控制回路,是否經常檢查回路的效果呢?穩定窯況14Monitorfreelimevariation
監測f-CaO波動Prerequisite前提條件Teamwork–Process,Production,LaboratoryandMaintenance團隊協作-工藝,生產,化驗室和維修部門KFUIC3S<14Actions行動
SettargetFreeLimelevels設定f-CaO目標TypicalValue典型值Clinkercooleroutlet 冷卻機出口熟料1
to1.5%(0.5to1%
長窯)FreeLimeUniformityIndex游離鈣均勻指數
<1Minimisekilnfeedvariationbymasteringrawmixuniformity(seerule1)
通過控制生料的均勻性,使窯喂料波動最小(見原則1)Minimizefueldosingvariationsandavoidreducingconditions(seerule3)
減小喂煤波動,避免還原氣氛出現(見原則3)Maintaincalcinationontarget(seerule6)
穩定分解率(見原則6)OptimisecooleroperationforgoodandstableSecondaryandTertiaryAirT°C(seerule5)
優化篦冷機操作,獲得穩定二次及三次風溫(原則5)Adjustkilnfeed/speedratiotooptimisekilnbeddepthandallowshorterburningzone
調整窯喂料/窯速(料速比),以優化窯填充率,縮短燒成帶。Measurementmethods
測量方法RegularFLUIreviews
定期檢視FLUISupport
支持文件SeeLQTSonFreeLimeAnalysisbycomplexometrymethod
參見LQTs“滴定法游離鈣分析”OnLineFreeLimeAnalysis(OFLA)
在線游離鈣分析(OFLA)
Rule415Minimisekilnfeedandfueldosingvariability
煤秤及生料秤波動最小化Prerequisite前提條件Teamwork–Process,ProductionandMaintenance團隊合作-工藝,生產和維修KFUIC3S<14Actions行動SettargetKilnFeedandFuelDosinglevels設定目標值TypicalValues典型值Kilnfeedfineness
窯喂料細度dependsonburnability
依據易燒性Kilnfeedflowrate窯喂料量 ±1%Solidfuelflowrate喂煤量 ±1%Maintainequipmenttoensureaccuracyaspertarget
維護設備,以保證計量精度Managereturnofdusttokilnfeedinordertominimizeimpactofrawmillstops控制窯灰循環以使生料磨停機產生的影響減至最低Ensurepropermixingofsolidfuelsbeforegrinding確保固體燃料在粉磨前經過恰當的混合Checkfueltransporttohaveadequatevelocityandfuel/airconcentration
檢查燃料輸送管線具有合適的速度和固比;UseLuciefuelmanager(ifavailable)whenstartingaprogressiveAFprogram在開始使用AF時,應使用Lucie(若有)中的燃料管理器。Measurementmethods:測量方法:Regularlabanalysis
常規化驗室分析Processparameters
工藝參數Support文件支持SeeCombustionmanual(PostSevilla1997)
見燃燒手冊(PostSevilla1997)Seetechnicalagenda“FuelFlexibility”
見技術文件“燃料多樣性”
Rule416Optimizecontrolloopsofprocesscontrolsystem優化控制回路Prerequisite前提條件Teamwork–Process,ProductionandMaintenance
團隊合作-工藝,生產和維修ProcesscontrolsystemorPIDControlLoops(withoperatingrequiredsensors)過程控制系統或PID控制回路(需要的傳感器)Actions行動SettargetProcessControlLevels設定目標值 TypicalValues典型值Calcination(kilnwithcalciner)分解率90.0to92.0%KilnHoodPressure 窯頭罩壓力 -2/-5mmH2OOperatecalcinerfuelrateinterlockedwithbottomstagecyclonegasexitT°C
分解爐喂燃料量與末級筒出口溫度形成控制。MaintainconstantO2inexcessatkilnbackendwithpreheaterfan,avoidCOformationandminimizeSO3volatilisation(seerule3)
用ID風機控制窯尾穩定氧氣,避免CO形成,最小化SO3揮發。(原則3)Maintainconstantslightlynegativekilnhoodpressure,withcoolerexhaustfan(seerule5)用頭排風機控制窯頭罩微負壓(原則5)Maintainrestoftheprocessvariablesasconstantaspossibletomasterkilnoperationatrequiredproduction(seerules2and6)穩定其他工藝參數,控制好窯穩產。(原則2和3)Support支持文件SeeKilnOperationGuidelinesSeptember2006(TCEA)
見“窯操作指南”2006.09(TCEA)
Rule417RULE5:
Optimizecoolerefficiency優化篦冷機效率Doyouoptimizeairflowdistribution?
你們工廠優化風量分布么?Doyouhaveagoodclinkerdistributionandsize?你們廠熟料顆粒分布好么?熟料料床分布好么?Doyoumaximizeclinkerbeddepth?
你們廠是否最大化熟料料床厚度?Howdoyoucontrolthecooleroperation?
你們廠如何控制冷卻機的操作?18Adjustblownairflowdistribution調整風量分布
Prerequisites前提條件Requiredsensorstomeasurefanairflowsandvalvestoadjustvolumes
風量測量所需的傳感器和調節風量的閥門Actions行動Intherecuperationzone,maximizeheatrecoveredincombustionair(AS,AT);coolerfanvolumeflowdensitymustbeconstantaccordingto:
在熱回收段,應最大化回收熱氣(二次風,三次風);鼓風密度應恒定(依據下表):Specificvaluesdependoncoolerdesignandare“startingpoints”foroptimization(seeairdistributioncalculation)
具體數值要根據冷卻機設計型式而定,且僅僅為優化的初始點(參見計算表格)Inthecoolingzone,coolerfanvolumesareproportionaltoclinkerproductionrate;makespecificairflow(Nm3/kgclinker)adjustmentsandminimizeair/clinkerratioaccordingtomaximumacceptableoutletclinkertemperature
在冷卻段,風量與產量成比例關系;進行風量(Nm3/kg熟料)調整,依據熟料允許的最高溫度來最小化空氣用量。Atnominalkilnproduction,keeptotalair/clinkerratioconstant:1.8to2.2Nm3/kgclinker(formostcoolertypes):
正常產量情況下,對多數篦冷機類型,保持空氣/熟料比例穩定:1.8to2.2Nm3/kg熟料。Measurementmethods測量方法Continuousmonitoringbypiezometricflowmetersandregularairflowchecksbyfieldmeasurements
用環形流量計來連續監控空氣流量,并定期用現場測量來標定。Visualinsidecoolerchecks(throughwindow)toensurethatnovolcanoescreatedduetoexcessiveairblowingdensity
現場肉眼觀察(透過觀察窗)篦冷機內部,確保不會出現通風過量引起的噴泉。Support支持文件SeeprocedurePRPYRP0607:“Checkthecalibrationofcoolingfanairflows”
見標準程序PRPYRP0607:“校對冷卻風量”SeeprocedurePRPYRP0608:“Adjustthecoolingairlevelanddistribution”
見標準程序PRPYRP0608;“調整冷卻風量分布”SeetoolPRPYRT0702:“Airdistributioncalculation”
見標準計算工具PRPYRT0702:“風量分布計算表“Chamber#風室123Airflowdensity鼓風密度(Nm3/m2/.s)1,5to1,71,2to1,51,0
Rule519Adjustclinkerdistribution
andsize
調整料床分布和熟料顆粒Prerequisite前提條件Goodclinkerchemistrycontrol(sampling,frequency,labaccuracy)
良好的熟料化學控制(取樣,頻次,化驗準確性)Backandsidewindowstobeabletolookinside
尾部或側面觀察窗:觀察篦冷機內部Actions行動Masterclinkerchemistry(minimizingvariationsinrawmixandfuels)andanalyzechemistryvs.events(snowmen,lumps,redrivers,fineclinker)掌控熟料化學(生料和燃料穩定),對異常問題(雪人,大塊,紅河,飛砂)進行化學分析Operateburningzoneascoolaspossible(seerule4)
盡量降低燒成帶溫度(原則4)Usedeadgratestostopredrivers(Clinkerfinestendtofluidizemoreeasily)使用固定蓖板制止紅河(尤其細料易流化)Install,optimizeandmaintainaircanonsatcoolerinlettoremovesnowmen篦冷機入口安裝/維護/優化空氣炮并,以清除雪人。Adjustblowingdensitylaterally(ifdesignallowsandspreadairaccordingtolateralgradientofparticlesizeandclinkerdropout
若有側部調風裝置,應優先邊側充氣(根據邊側粒度及漏料)Usedirectaeratedplates(ifdesignallows)toadjustairbeamdistribution
使用局部充氣蓖板(如設計允許)優化空氣梁配風Forfixedinletcoolers(clinkerhastobegranulatedandnotsticky):
對于進口固定篦床(熟料顆粒狀,不發粘):Implementhorseshoedesignandinstallairbeampressuresensorinordertodetectsnowmen
安裝馬蹄型澆注料,空氣梁上安裝壓力傳感器以監測雪人。Firstfansmayneedsignificantlymorepressurecapacitytomovelumps
第一臺風機的風壓應足以以移動大塊料。Measurementmethods測量方法Clinkersizedistribution
熟料粒度分布Dailyclinkerbedvisualchecks
每日熟料料床目視檢查Pressureinfixedinletchecks
固定進口處的壓力檢查。Support
支持文件See“PriorityStudyCoolerTechnologies”參見“篦冷機技術”
Rule520Maximizeclinkerbeddepth
最大化料床厚度Prerequisite前提條件Teamwork–Process,ProductionandMaintenance
團隊協作-工藝,生產,維修Adequatestaticpressuresensors
合適的靜壓傳感器Actions行動Usepressureindicationinmonitoredcompartmentasacontrolloopsetpoint
使用壓力作為控制回路參數來監控相關風室Adjustgratespeedtocontroltheundergratepressure調整篦速來控制蓖下壓力Controlspeedof1stsectioninmultiplegratesections;remainingsectionsfollowbyfixedratio(preferred)
對于多段篦床,控制第一段的篦速,其余篦床篦速按固定比例調節(推薦)Ifairflowchangesarerequiredduetoseasonalreasons,changesetpointaccordingly如果因為季節原因需調整風量,相應的需調整設定值(壓力)Measureclinkerbeddepth(closetocoolerinlet,whereclinkerbedisstable):測量篦床厚度(在篦冷機入口附近,料面穩定后)Maximizingclinkerdepthmeansmaximizingfansoutletstaticpressure,butkeepingamarginfornormaloperation最大化料床厚度意味著最大化風機出口靜壓,但是需留有一定操作余量Measurementmethods測量方法Visualchecksthroughwindowwithheightreferencemarkedoncoolerwallorbyweightedchain
料床厚度:通過觀察窗觀察篦冷機壁上的高度參照標記或通過重錘鏈條;Continuousmonitoringbypressuresensorinunder-gratecompartment,orinfanoutletduct用傳感器連續監測蓖下壓力或者風機出口風管壓力Regularpressurechecks,withamanometer
定期用便攜式壓力表校對壓力顯示Support支持文件SeeprocedurePRPYRP0620:“Howtooptimizeaclinkercooler”見程序“如何優化篦冷機”
OldGrateCooler舊式篦冷機NewerCoolers
新型篦冷機clinkerbeddepth料床厚度200mm500–700mm(*
特例達1000MM)Rule521Controlcooleroperation
篦冷機操作控制Prerequisite前提條件Teamwork–Process,ProductionandMaintenance團隊工作-工藝,生產和維修Goodclinkerchemistrycontrol(sampling,frequency,labaccuracy)好的熟料化學控制(取樣,頻次,化驗準確性)Sensorsingoodoperativecondition
傳感器狀態良好Actions行動Settargetlevels設定目標值Stabilityofsecondary(&tertiary)airtemperature
穩定二次、三次風溫Stabilityofcoolerexitclinkertemperature(alsoventairtemperature)穩定出篦冷機熟料溫度(以及排氣溫度)Control
KilnHoodPressurebycoolerexhaustfan:通過頭排風機控制窯頭罩負壓Setpoint:–2/–5mmWG(dependingonitsstability)設定值::–2/–5mmWG
(依其穩定性)Controlclinkerbeddepthandcoolerfanairflowdistribution
控制熟料料床厚度及篦冷機風量分布Ensurekilnoutletsealingoodconditions
保證窯頭密封良好Ensuretightnessofcoolercomponents(betweenplates,betweenplatesandsidecastings,betweenchambers,atleveloffinesevacuation)保證篦冷機組件密封良好(蓖板之間,側封板密封,倉間密封,漏料粒度)Measurementmethods測量方法Coolerinspectionduringkilnshutdowns
停窯時檢查篦冷機Othermethodsasseenpreviously
其他方法參見前面Support支持文件SeeprocedurePRPYRP0620:“Howtooptimizeaclinkercooler”
參見標準程序PRPYRP0620:“如何優化篦冷機”。
Rule522RULE6:
Masterpre-heaterandcalcineroperation掌控預熱器和分解爐操作Doyouminimizegasby-pass(flapvalves)andoptimizemealdistribution(splashboxes)?
你們工廠是否最小化氣體短路(翻板閥)?撒料箱撒料效果是否已優化?Doyouhaveagoodmaterial/gasdistribution(diptubeincyclones)?
你們工廠是否有好的料氣分布?內筒效果如何?Doyoumanagebuild-ups(mealcurtain,airblasters,pokingaccesses
你們是否管理好結皮?(料幕,空氣炮,捅料作業)23Controlpreheatercalcineroperation控制預熱塔操作Prerequisite前提條件Teamwork–Process,MaintenanceProductionandQuality
團隊工作-工藝,維修,生產和質控Actions行動Settargetlevels
設定目標值TypicalValues典型值PreheatercalcinationrateSP窯分解率 55–70%PrecalcinercalcinationratePC窯分解率 90–92%O2/COpreheaterexit
預熱器出口O2/CO
O2:3–5%;CO<100ppFuelpreparation燃料準備Refertotechnicalagenda”Fuelflexibility參見技術文件“燃料多樣性”
Adjustfuelaccordingtocalcinationtarget(throughatemperaturesetpoint)根據分解率目標(參考設定溫度)調整燃料用量Adjustpreheaterdraughtaccordingly相應調整預熱器通風PerformregularcontrolsofaboveKPIsandimplementcorrectiveactions
定期檢查以上KPIs,同時進行必要的行動Measurementmethods:測量方法:Regularcalcinationmeasurements
定期分解率測量Stabilityofgasanalysisandtemperatures
穩定性(氣體分析和溫度)Support支持文件SeeprocedurePRPYRP0845:“Measuregascompositionbygasanalyzer”
參見程序PRPYRP0845:“用氣體分析儀測量氣體成分”SeeprocedurePRPYRP0603:“Howtosamplehotmeal”
參見程序PRPYRP0603:“怎樣進行熱生料取樣”SeeprocedurePRPYRP0611:“Howtocontrolhotmeal”
參見程序PRPYRP0611:“怎樣控制熱生料”Seetechnicalagenda“fuelflexibility”參見技術文件“燃料多樣性”
Rule624Reducegasbypassandcontrolmealdistribution
減小氣體短路,控制生料撒料Prerequisite前提條件Teamwork–Process,MaintenanceProductionandQuality
團隊合作-工藝,維修,生產和質控Actions行動Settargetlevels(aspersupplierdesign)
設定目標值(按照廠商設計)Gascycloneinletandoutletandmaterialcycloneoutlettemperatures
旋風筒進口/出口氣體溫度和旋風筒出口料溫Optimizemealdistributionbyinstallingsplashboxesinplaceofsplashplates
優化生料撒料效果(用撒料箱而不是撒料板)Checkmealpipesdesign(splashboxtypically1mabovecycloneroof,mealpipeangle>60°,flapvalvemin.2mabovesplashbox)檢查下料管設計(撒料箱一般高于旋風筒頂部1m,下料管傾斜角度>60°,
翻板閥在撒料箱以上最少2m)Minimisegasbypassbyensuringproperfunctioningofflapvalvesincyclonemealpipes(checkflapdesignwithyourTC)盡量減小氣體短路,保證下料管上翻板閥的功能(與TC一起檢查翻板閥設計)Checkcycloneefficiency(vortexfinderandgasinletdesignsneedtobeanalyzed)andinspectthemfordamagesandbuild-upsduringkilnstops檢查旋風筒效率(分析內筒及進風口設計)停窯時檢查是否損壞,有積料等。Measurementmethods:測量方法:Temperatureprofilesinriserductorcyclonegasducts,aboveandbelowmealfeed測量上升煙道或旋風筒換熱管道的溫度分布(喂料點上下)Temperatureprofilesincyclonemealducts
料管內溫度分布Support支持文件SeewithyourTChowtomeasuregasprofileinariserduct連續你的TC如何測量氣體分布(煙道內)SeewithyourTChowtomeasurecycloneefficiency
聯系你的TC如何測旋風筒效率
Rule625Managebuildups
控制結皮Prerequisite
前提條件Teamwork–Process,MaintenanceProductionandQuality
團隊工作-工藝,維修,生產和質控Pressureandtemperaturesensorsingoodoperationalconditions良好的壓力和溫度傳感器Actions行動Frequentlycheckpreheatertoensurenoairin-leakages(patroller)
崗位工經常檢查預熱器確保無漏風Ensureproperworkingofblockagedetectorsandflapvalves
確保堵料探測儀及翻板閥工作正常Closelymonitorpreheateroutletpressureandcyclonepressuresandtemperatures
密切關注預熱器出口壓力,旋風筒壓力及溫度ManagehotmealSO3+Clconcentrationinbottomcyclonemeal
控制末級旋風筒熱料中的SO3+Cl。Usethermo-camera(ifavailable)tolocateareasofthickbuild-ups
用熱像儀(如果可能)探測厚結皮的區域Reviewinstallationofairblastersaccordingtobuild-upslocationandensurecorrectoperationofairblasters
根據結皮積料位置,評估空氣炮位置,保證空氣炮的正確使用Irrequired,implementmealcurtainanduse“non-stick”refractory
如果需要,安裝料幕,使用抗結皮澆注料。Ensureregularcleaningoperationsofkilnhearthandriserduct,byqualifiedoperators,instrictcompliancewithsafetyprocedures
由合格人員在嚴格安全程序下,定期清理煙室,煙道。Support支持文件SeeprocedurePRPYRP0603“Howtosamplehotmeal”
參見標準程序PRPYRP0603:“如何取熱生料”SeeprocedurePRPYRP0611:“Howtocontrolhotmeal”“參見標準程序PRPYRP0611:”如何控制熱生料“SeeprocedurePRPYRP0614:“Howtocleanapluggedcyclone”
參見標準程序PRPYRP0614:”如何處理旋風筒堵料“SeeprocedurePRPYRP0625:“Howtomeasurewalllossesbyinfraredpyrometer
參見標準程序PRPYRP0625:”如何用紅外高溫儀測量墻體熱損失“Setupsafetyproceduresforcleaningbuild-upsinpreheaterwithTCandOH&Sorganisation與TC和OH&S組織一起建立預熱器結皮清理的安全程序。
Rule626RULE7:
Optimizekilnthroughput優化窯產量Doyouoperatekilnatmaximumstablethroughput?你們工廠是否運轉在最大穩定產量嗎?Doyouknowwhatisyourcurrentbottlenecktoincreaseoutput?
你知道你們工廠的影響提產的生產瓶頸嗎?Doyouhaveamarginforcontrol?
你們工廠有操作的富余嗎?*Inanonsoldoutplant,optimumcostobjectivesmightleadtoanoperationbelowmaximumstablethroughput
在非售罄的工廠,優化成本的目標也許會使窯在低于最大穩定產量下運行27Permanentlyreviewkilnthroughput
堅持關注窯產量Prerequisite前提條件Teamwork:Production,ProcessandMaintenance,Kilncoach團隊合作:生產,工藝,維修和窯教練Propersensors/actuators+ReliabilityFactorandMTBFhighenoughtoenterinto“optimization”approach合適的傳感器/執行器+RF+高的MTBF
FLPoperatorperformancedailytracking窯況評估看板Rule7ActionsRegularlychallengethekilnoperatoronwhatpreventshimfromincreasingfeedrate:經常挑戰窯操作員什么阻止他不能提高喂料Trackshiftperformanceandid
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