热耗十大原则课件.ppt
10GoldenRulesforHeatConsumptionMastery热耗管理十大原则DPCOctober2009V1CEMENT10goldenrulesforheatconsumptionmastery-DPCLafargeCementDivisioncopyrightJuly2009LafargeSAAllrightsreserved.10GoldenRulesforHeatConsumptionMastery热耗管理十大原则1)Prepareaconsistentrawmix稳定入窑生料稳定入窑生料2)Controloxygenlevelinkilnandpre-heater控制窑内及预热器氧含量控制窑内及预热器氧含量3)Optimizefuelcombustion优化燃烧优化燃烧4)Masterkilnstability稳定窑况稳定窑况5)Optimizecoolerefficiency优化冷却机优化冷却机6)Masterpre-heaterandcalcineroperation控制预热器及分解炉操作控制预热器及分解炉操作7)Optimizekilnthroughput优化窑产量优化窑产量8)Maximizereliabilityfactor最大化最大化RF9)Minimizecementkilndustorkilndustloss最小化窑灰损失最小化窑灰损失10)Applyoperatingprocedureswithskilledoperators熟练的操作员执行标熟练的操作员执行标准操作程序准操作程序Notesonspecificprocesses备注备注:关于特殊生产工艺关于特殊生产工艺210goldenrulesforheatconsumptionmastery-DPCLafargeCementDivisioncopyrightJuly2009LafargeSAAllrightsreserved.RULE1:PrepareaconsistentrawmixWhatistheKFUIlevelinyourplant?你你们工厂的们工厂的KFUI如何?如何?Canyouimprovetherawmixburnability?能否改善生料的易烧性?能否改善生料的易烧性?IstheclinkerC3Stargetoptimized?C3S目标值是否已经优化?目标值是否已经优化?准备稳定的入窑生料准备稳定的入窑生料310goldenrulesforheatconsumptionmastery-DPCLafargeCementDivisioncopyrightJuly2009LafargeSAAllrightsreserved.Rawmixislinkedtospecificheatconsumption生料对热耗的影响生料对热耗的影响RawmixuniformityaffectsprocessstabilitythusSHC(Alsohaspositiveeffectsonproducts)入窑生料的均匀性影响工艺稳定性,以及热耗,产品(质量)ClinkerLSFaffectsclinkeringtemperature,oversaturationhastobeavoided熟料的LSF影响烧成温度,应避免过饱和LSFClinkeringtemperaturedegCRule1预均化效果矿山原料变化入窑生料稳定性取样及质控取样误差控制策略及频次分析仪校准;仪器故障时窑灰管理开停生料磨时数量/质量变化均化库的效率粉磨细度及大小分布配料仓中料的变化卸料均匀性计量精度410goldenrulesforheatconsumptionmastery-DPCLafargeCementDivisioncopyrightJuly2009LafargeSAAllrightsreserved.RawmixImpactsspecificheatconsumption生料对热耗的影响生料对热耗的影响TheburnabiltyindexofrawmixhasadirectimpactonSHC.(MeasuredusingLafargeK1450index)生料的易烧性系数对热耗有直接影响(用K1450评估)Source:ETC2008rawmixannualsurvey来源:ETC2008生料年度调查ImpactonSHCdependsonK1450level:K1450对热耗的影响Mainsfactorsaffectingburnability:易烧易烧性的性的主要影响因素主要影响因素ImpactonK1450对对K1450的影响的影响Rawmixfineness生料细度生料细度+1%res100 mm-1.6Quartz石英石英+1%-10Aluminaratio铝率铝率+0.14MgO+0.1%+2.6Na2O+0.1%-12S+0.1%+3.8NotanegativeimpactifS/A2.5如果S/A2.5会产生负面影响Rule1510goldenrulesforheatconsumptionmastery-DPCLafargeCementDivisioncopyrightJuly2009LafargeSAAllrightsreserved.Prepareaconsistentrawmix准备稳定的生料准备稳定的生料Prerequisite前提条件前提条件Teamwork-Quarry,Lab,ProductionandProcess团队工作矿山,化验室,生产,工艺团队工作矿山,化验室,生产,工艺Actions行动行动Settargetfor设定目标值设定目标值Typicalvalue典型值典型值KFUI30每周业绩会上回顾审视每周业绩会上回顾审视C3S及及KFUI:如果:如果KFUI30,需采取紧,需采取紧急措施急措施Implementregularfollowupofburnabilityindex(minimumonceayearduringrawmixandclinkermappingexercise);actionplanifK145050.执行定期检查易烧性系数(最少一年一次)执行定期检查易烧性系数(最少一年一次),若,若K145050则采取行动则采取行动Reviewtheselectionofrawmaterialsinthescopeofburnabilityimprovement(slag,puzzolana,quartzreduction)onceayear每年检查回顾一次原料选择对易烧性的影响每年检查回顾一次原料选择对易烧性的影响(矿渣,火矿渣,火山灰,石英减量等)山灰,石英减量等)Performarawmixlineauditevery3years,usingrawmixauditgrid采用生料审计表格,每三采用生料审计表格,每三年进行一次生料系统的审计年进行一次生料系统的审计Measurementmethods测量方法测量方法KFUI:KFUI:dailymeasurementdailymeasurement每天检查每天检查每天检查每天检查K1450:TestofK1450:Testofburnabilityburnabilityforcementplantrawmeal,doneinTClabonlyforcementplantrawmeal,doneinTClabonly 生料生料生料生料易烧性试验:仅在易烧性试验:仅在易烧性试验:仅在易烧性试验:仅在TCTC实验室做。实验室做。实验室做。实验室做。Support支持文件支持文件Rawmixpreparationtrainingmaterial生料制备培训资料生料制备培训资料TechnicaldoctrineRawmix生料相关技术文件生料相关技术文件Rule1K1450610goldenrulesforheatconsumptionmastery-DPCLafargeCementDivisioncopyrightJuly2009LafargeSAAllrightsreserved.RULE2Controloxygenlevelsinkilnandpre-heater控制窑及预热器的氧含量控制窑及预热器的氧含量Whatistheoptimumoxygenlevelforyourkilnsystem?你们工厂窑系统的优化的氧含量是多少你们工厂窑系统的优化的氧含量是多少?Isyourfalseairundercontrol?工厂的漏风量在控工厂的漏风量在控制范围内吗?制范围内吗?Canyouroperatorsrelyonyourgasanalysissystems?工厂的操作员是否能依靠气体分析仪系统工厂的操作员是否能依靠气体分析仪系统?710goldenrulesforheatconsumptionmastery-DPCLafargeCementDivisioncopyrightJuly2009LafargeSAAllrightsreserved.Manageexcessairatkilninletandcalcineroutlet管理窑尾烟室及分解炉出口过剩空气量管理窑尾烟室及分解炉出口过剩空气量Prerequisite前提条件前提条件TeamworkProcess,MaintenanceandProduction团队协作工艺,维修和生产团队协作工艺,维修和生产Actions行动行动SettargetO2levels设定目标设定目标O2含量含量Typicalvalue典型值典型值Kilninlet窑尾烟室窑尾烟室2-3%(accordingtokilnandfuels依据窑及燃料依据窑及燃料)KeepkilnInlettargetoxygenshouldbesetaslowaspossible,whilstmaintainingCO100ppm(andSO23000ppm)窑尾烟室窑尾烟室O2含量尽量低,同时含量尽量低,同时CO100ppm(SO23000ppm)NotebulkyAF&ARMmaycauseCOhigherthan100ppm(seePost-SevillaCombustionmanual)注意注意块状替代燃料或原料可能导致块状替代燃料或原料可能导致CO含量高于含量高于100ppm(见见Post-SevillaCombustionmanual)Investigatecombustionparametersforvaluessignificantlyhigherorlowerthantarget,tofinditemstoimprove审视工艺参数是否有明显的高于或低于目标值,找出并改进。审视工艺参数是否有明显的高于或低于目标值,找出并改进。Maintainreliableandaccurategasanalyzersandsamplingsystems维护好气体分析仪和取样系统维护好气体分析仪和取样系统:可可靠靠,准确。准确。Ensurecorrectlocationofprobes-samplethemainprocessgasstreamwithoutcontaminationbyfalseair.确保探头在正确的确保探头在正确的位置对主要气流取样,避免受漏风的影响。位置对主要气流取样,避免受漏风的影响。Weeklycalibration(minimum)byinstrumentdepartment由自动化部门每周(至少)进行校准。由自动化部门每周(至少)进行校准。Frequentprobecleaningasrequired(automaticandmanual)byproduction生产单位按需求生产单位按需求频次清理探头(自动或手动)频次清理探头(自动或手动)Withairseparatesystems,ensureproperfunctioningoftertiaryairdamper(orcalcinerdiaphragm)带三次风管的窑型,应保证三次风门(或)缩口阀门功能正常。带三次风管的窑型,应保证三次风门(或)缩口阀门功能正常。Measurementmethods测量方法测量方法ContinuousmonitoringbygasanalyzersContinuousmonitoringbygasanalyzers气体分析仪连续测量气体分析仪连续测量CrosscheckO2accuracyreadingwithportableanalyzersCrosscheckO2accuracyreadingwithportableanalyzers 用便携式分析仪校对用便携式分析仪校对O2O2准确性。准确性。Support支持文件支持文件SeeprocedurePRPYRP0845:“Measuregascompositionbygasanalyzer”见程序见程序PRPYRP0845:“用气体分析仪测量气体成分用气体分析仪测量气体成分”Rule2810goldenrulesforheatconsumptionmastery-DPCLafargeCementDivisioncopyrightJuly2009LafargeSAAllrightsreserved.ManageFalseAir管理漏风管理漏风Prerequisite前提条件前提条件Teamwork团队协作团队协作Process,MaintenanceandProduction工艺,维修及生产工艺,维修及生产Actions行动行动Settargetfalseairlevels设定漏风目标设定漏风目标TypicalValues典型值典型值Preheater预热器预热器5%Coolerexhaust窑头余风窑头余风10%Developinspectionplan编制检查计划编制检查计划Conductregularoverallmeasurements,inspectionsandrepairs(minimummonthly)例行整体测量,检查和维修(每月至少一次)例行整体测量,检查和维修(每月至少一次)Re-designrepeatedproblemareas重新设计(改进)频繁故障区域重新设计(改进)频繁故障区域Performdetailedmeasurementoversystem(minimumannually)每年至少一次全面每年至少一次全面测量测量Measurementmethods测量方法测量方法ByoxygendifferencewherepossibleByoxygendifferencewherepossible 条件允许时测量条件允许时测量O2O2差异差异BytemperaturedifferenceonmillsandfiltersBytemperaturedifferenceonmillsandfilters 磨机及收尘器测量温度差磨机及收尘器测量温度差DirectmeasurementbyvolumeflowdifferenceDirectmeasurementbyvolumeflowdifference 直接测量风量变化直接测量风量变化Support支持文件支持文件SeeprocedurePRPYRP0609:“Controlfalseairinthepre-heater”见程序见程序PRPYRP0609:“控制预热器漏风控制预热器漏风”SeeprocedurePRPYRP0610:“Measurefalseair”见程序见程序PRPYRP0610:“测量漏风测量漏风”Rule2910goldenrulesforheatconsumptionmastery-DPCLafargeCementDivisioncopyrightJuly2009LafargeSAAllrightsreserved.TypicalSourcesofFalseAir典型漏风点典型漏风点Missingbolts法兰FanSeals轴封Doors孔,门Doors孔,门FlapSeals翻板阀轴封KilnInletSeal窑尾密封ClinkerChute熟料溜子ExpansionJoints膨胀节ClassifierSeal轴封FeedingPoint喂料点FeedingPoint喂料点Doors孔,门Doors孔,门FanSeals风机轴封PokeHoles捅料孔FlangesTieRodSeals拉拉杆KilnHoodSeals窑头密封FanSeals轴封Seals锁风,密封Seals锁风设备Casingcracks壳体开裂Casingwear&corrosion壳体腐蚀,摩擦Isolationdampers隔离阀ExpansionJoints膨胀节Lookforgaps/cracks/missingbolts/missingpackingetc查找:裂纹,间隙,螺栓脱落查找:裂纹,间隙,螺栓脱落,盘根脱落盘根脱落Listenforwhistlingair听:风哨的声音听:风哨的声音Lookfordustblowingoutduringstartup看看(找找):启动时冒灰:启动时冒灰Rule21010goldenrulesforheatconsumptionmastery-DPCLafargeCementDivisioncopyrightJuly2009LafargeSAAllrightsreserved.RULE3OptimizefuelcombustionWhattypeofburner,whichset-upandwhatmonitoring?何种煤管何种煤管?设定值设定值?怎样监测?怎样监测?Doyouhaveanoxidisingatmosphereinthekiln?你们你们窑内是否为氧化气氛?窑内是否为氧化气氛?优化燃料燃烧优化燃料燃烧1110goldenrulesforheatconsumptionmastery-DPCLafargeCementDivisioncopyrightJuly2009LafargeSAAllrightsreserved.Setupandmonitorawelldesignedburner安装和监测安装和监测-设计良好的喷煤管设计良好的喷煤管:Prerequisite前提条件前提条件Teamwork:Production,ProcessandMaintenance团队协作:生产,工艺及维修团队协作:生产,工艺及维修Recommendedhighmomentumburner(1stchoice:Lafargetype/AlternativeUnithermM.A.S/others)推荐高推力喷煤管(首选:拉法基煤管推荐高推力喷煤管(首选:拉法基煤管/或者或者UnithermM.A.S/其他)其他)Actions行动行动Burnerset-ups喷煤管安装:喷煤管安装:(swirlanglesuchthatswirlrotationinsamedirectionaskilnrotation内风旋向应与窑旋向相同内风旋向应与窑旋向相同)Lafargetype拉法基煤管Gas气Oil油Coal烟煤Petcoke无烟煤Alternativefuels替代燃料recommendation设计值(建议)Specificimpulse推力比IsNh/GJ1,21,21,51,81,82,2Swirl旋流比-0,050,08-0,150,150,150,150,15Alignburnerorflamewithkilnaxis(especiallywhenusingAF)喷煤管喷煤管(或火焰或火焰)方向与窑同轴方向与窑同轴(尤其使用替代燃料时)(尤其使用替代燃料时)UseLafargeburnerspreadsheettomonitormomentumandswirl,tobeadaptedtofuelpropertiesandkilnphysicalandoperatingconditions使用拉法基计算表格来监测推力和旋流使用拉法基计算表格来监测推力和旋流比时,要根据燃料性质以及窑况来决定。比时,要根据燃料性质以及窑况来决定。Avoidexcessiveprimaryairandcontroltransportair,especiallywhenaddingseveralfuels(transportvelocityat25/30m/s,fuel/airratioat4/6kg/Nm3)避免出现过剩一次风避免出现过剩一次风(控制送煤风),尤其在使用多种燃料时(送煤风风速(控制送煤风),尤其在使用多种燃料时(送煤风风速25/30m/s,燃料,燃料/空气为空气为4/6kg/Nm3)Lookforchangesinpressureforagivenflow,whichcouldindicatemechanicalchangesinburnerandothercomponents(eg:blowerdustfilters)当风量给定时,检查压力变化,其变当风量给定时,检查压力变化,其变化可能意味着喷煤管的一些机械问题或其他部分的故障(如:风机滤网等)化可能意味着喷煤管的一些机械问题或其他部分的故障(如:风机滤网等)Support支持文件支持文件SeeTA“Fuelflexibility”见见技术文件技术文件“燃料多样性燃料多样性”SeeprocedurePRPYRP0602:“Startup&optimizeaburner”见技术文件见技术文件PRPYRP0602:“喷煤管使用与优化喷煤管使用与优化”SeetoolPRPYRT09-05:“Lafargeburnerspreadsheet”见计算工具见计算工具PRPYRT09-05:“拉法基喷煤管计算表格拉法基喷煤管计算表格”Rule31210goldenrulesforheatconsumptionmastery-DPCLafargeCementDivisioncopyrightJuly2009LafargeSAAllrightsreserved.Operatethekilnwithanoxidisingatmosphere在氧化气氛下操作窑在氧化气氛下操作窑Prerequisite前提条件前提条件Teamwork:Production,ProcessandMaintenance,Quality团队合作:生产,工艺,维修,质控部门团队合作:生产,工艺,维修,质控部门Reliablekilnbackendanalyzer,withCO/SO2*/NO,withresultsinppm,andO2可靠的窑尾气体分析仪可靠的窑尾气体分析仪:CO/NO(单位为(单位为ppm)O2/SO2*Actions行动行动Setgasanalysislevels设定目标值设定目标值TypicalValues典型值典型值CO(inppm)100SO2(inppm)3000O2(in%):ifS/A1.223.5Avoidlocallyreducingconditions(e.g.:withcoarsealternativefuelsSSW,animalmeal);forlowVolatileMatterssolidfossilfuels,respectthefollowingrules:避免局部还原避免局部还原气氛(例如:粗的替代燃料气氛(例如:粗的替代燃料SSW,动物骨料等)对于低挥发固体化石燃料,遵循如下原则:动物骨料等)对于低挥发固体化石燃料,遵循如下原则:rejectsat200m0.1%200m筛余筛余0.1%rejectsat90mVolatileMatters90m筛余筛余1.2Rule31310goldenrulesforheatconsumptionmastery-DPCLafargeCementDivisioncopyrightJuly2009LafargeSAAllrightsreserved.RULE4:MasterkilnstabilityWhatisthefreelimetargetandvariation?你们工厂的游离氧化钙目标你们工厂的游离氧化钙目标?波动情况?波动情况?Doyouminimizekilnfeedandfueldosingvariability?你们工厂控制入窑生料秤及煤秤的波动你们工厂控制入窑生料秤及煤秤的波动(最小最小)么?么?Doyoumanageconsistencyoffuels?你们厂控制你们厂控制燃料的稳定性么燃料的稳定性么?Ifyouhaveaprocesscontrolsystem,doyouoptimizecontrolloopsandmonitorperformanceregularly?如果有过程控制系统,你们厂是否优化了如果有过程控制系统,你们厂是否优化了控制回路,是否经常检查回路的效果呢?控制回路,是否经常检查回路的效果呢?稳定窑况稳定窑况1410goldenrulesforheatconsumptionmastery-DPCLafargeCementDivisioncopyrightJuly2009LafargeSAAllrightsreserved.Monitorfreelimevariation监测监测f-CaO波动波动Prerequisite前提条件前提条件TeamworkProcess,Production,LaboratoryandMaintenance团队协作工艺,生产,化验团队协作工艺,生产,化验室和维修部门室和维修部门KFUIC3S14Actions行动行动SettargetFreeLimelevels设定设定f-CaO目标目标TypicalValue典型值典型值Clinkercooleroutlet 冷却机出口熟料冷却机出口熟料1to1.5%(0.5to1%长窑长窑)FreeLimeUniformityIndex游离钙均匀指数游离钙均匀指数1Minimisekilnfeedvariationbymasteringrawmixuniformity(seerule1)通过控制生料的均匀通过控制生料的均匀性,使窑喂料波动最小(见性,使窑喂料波动最小(见原则原则1)Minimizefueldosingvariationsandavoidreducingconditions(seerule3)减小喂煤波动,避减小喂煤波动,避免还原气氛出现(见免还原气氛出现(见原则原则3)Maintaincalcinationontarget(seerule6)稳定分解率(见稳定分解率(见原则原则6)OptimisecooleroperationforgoodandstableSecondaryandTertiaryAirTC(seerule5)优化篦冷机操作,获得稳定二次及三次风温(原则优化篦冷机操作,获得稳定二次及三次风温(原则5)Adjustkilnfeed/speedratiotooptimisekilnbeddepthandallowshorterburningzone调调整窑喂料整窑喂料/窑速窑速(料速比料速比),以优化窑填充率,缩短烧成带。,以优化窑填充率,缩短烧成带。Measurementmethods测量方法测量方法RegularFLUIreviewsRegularFLUIreviews 定期检视定期检视定期检视定期检视FLUIFLUISupport支持文件支持文件 SeeLQTSonFreeLimeAnalysisbycomplexometrymethodSeeLQTSonFreeLimeAnalysisbycomplexometrymethod参见参见参见参见LQTsLQTs“滴定法游离钙分析滴定法游离钙分析滴定法游离钙分析滴定法游离钙分析”OnLineFreeLimeAnalysis(OFLA)OnLineFreeLimeAnalysis(OFLA)在线游离钙分析(在线游离钙分析(在线游离钙分析(在线游离钙分析(OFLAOFLA)Rule41510goldenrulesforheatconsumptionmastery-DPCLafargeCementDivisioncopyrightJuly2009LafargeSAAllrightsreserved.Minimisekilnfeedandfueldosingvariability煤秤及生料秤波动最小化煤秤及生料秤波动最小化Prerequisite前提条件前提条件TeamworkProcess,ProductionandMaintenance团队合作工艺,生产和维修团队合作工艺,生产和维修KFUIC3S14Actions行动行动SettargetKilnFeedandFuelDosinglevels设定目标值设定目标值TypicalValues典型值典型值Kilnfeedfineness窑喂料细度窑喂料细度dependsonburnability依据易烧性依据易烧性Kilnfeedflowrate窑喂料量窑喂料量1%Solidfuelflowrate喂煤量喂煤量1%Maintainequipmenttoensureaccuracyaspertarget维护设备,以保证计量精度维护设备,以保证计量精度Managereturnofdusttokilnfeedinordertominimizeimpactofrawmillstops控制窑灰循环控制窑灰循环以使生料磨停机产生的影响减至最低以使生料磨停机产生的影响减至最低Ensurepropermixingofsolidfuelsbeforegrinding确保固体燃料在粉磨前经过恰当的混合确保固体燃料在粉磨前经过恰当的混合Checkfueltransporttohaveadequatevelocityandfuel/airconcentration检查燃料输送管线检查燃料输送管线具有合适的速度和固比具有合适的速度和固比;UseLuciefuelmanager(ifavailable)whenstartingaprogressiveAFprogram在开始使用在开始使用AF时,应使用时,应使用Lucie(若有)中的燃料管理器。(若有)中的燃料管理器。Measurementmethods:测量方法:测量方法:Regularlabanalysis常规化验室分析常规化验室分析Processparameters工艺参数工艺参数Support文件支持文件支持SeeCombustionmanual(PostSevilla1997)见燃烧手册(见燃烧手册(PostSevilla1997)Seetechnicalagenda“FuelFlexibility”见技术文件见技术文件“燃料多样性燃料多样性”Rule41610goldenrulesforheatconsumptionmastery-DPCLafargeCementDivisioncopyrightJuly2009LafargeSAAllrightsreserved.Optimizecontrolloopsofprocesscontrolsystem优化控制回路优化控制回路Prerequisite前提条件前提条件TeamworkProcess,ProductionandMaintenance团队合作工艺,生产和维修团队合作工艺,生产和维修ProcesscontrolsystemorPIDControlLoops(withoperatingrequiredsensors)过程控制系统或过程控制系统或PID控制回路(需要的传感器)控制回路(需要的传感器)Actions行动行动SettargetProcessControlLevels设定目标值设定目标值TypicalValues典型值典型值Calcination(kilnwithcalciner)分解率分解率90.0to92.0%KilnHoodPressure 窑头罩压力窑头罩压力-2/-5mmH2OOperatecalcinerfuelrateinterlockedwithbottomstagecyclonegasexitTC分解炉喂燃料分解炉喂燃料量与末级筒出口温度形成控制。量与末级筒出口温度形成控制。MaintainconstantO2inexcessatkilnbackendwithpreheaterfan,avoidCOformationandminimizeSO3volatilisation(seerule3)用用ID风机控制窑尾稳定氧气,避免风机控制窑尾稳定氧气,避免CO形成,最小化形成,最小化SO3挥发。(原则挥发。(原则3)Maintainconstantslightlynegativekilnhoodpressure,withcoolerexhaustfan(seerule5)用头排风机控制窑头罩微负压(原则用头排风机控制窑头罩微负压(原则5)Maintainrestoftheprocessvariablesasconstantaspossibletomasterkilnoperationatrequiredproduction(seerules2and6)稳定其他工艺参数,控制好窑稳产。(原则稳定其他工艺参数,控制好窑稳产。(原则2和和3)Support支持文件支持文件SeeKilnOperationGuidelinesSeptember2006(TCEA)见见“窑操作指南窑操作指南”2006.09(TCEA)Rule41710goldenrulesforheatconsumptionmastery-DPCLafargeCementDivisioncopyrightJuly2009LafargeSAAllrightsreserved.RULE5:Optimizecoolerefficiency优化篦冷机优化篦冷机效率效率Doyouoptimizeairflowdistribution?你们工厂优化风量分布么?你们工厂优化风量分布么?Doyouhaveagoodclinkerdistributionandsize?你们厂熟料颗粒分布好么你们厂熟料颗粒分布好么?熟料料床分布好么?熟料料床分布好么?Doyoumaximizeclinkerbeddepth?你们厂是否最大化熟料料床厚度?你们厂是否最大化熟料料床厚度?Howdoyoucontrolthecooleroperation?你们厂如何控制冷却机的操作?你们厂如何控制冷却机的操作?1810goldenrulesforheatconsumptionmastery-DPCLafargeCementDivisioncopyrightJuly2009LafargeSAAllrightsreserved.Adjustblownairflowdistribution调整风量分布调整风量分布Prerequisites前提条件前提条件Requiredsensorstomeasurefanairflowsandvalvestoadjustvolumes风量测量所需的传感器和调节风量的阀门风量测量所需的传感器和调节风量的阀门Actions行动行动Intherecuperationzone,maximizeheatrecoveredincombustionair(AS,AT);coolerfanvolumeflowdensitymustbeconstantaccordingto:在热回收段,应最大化回收热气(二次风,在热回收段,应最大化回收热气(二次风,三次风);鼓风密度应恒定(依据下表):三次风);鼓风密度应恒定(依据下表):Specificvaluesdependoncoolerdesignandare“startingpoints”foroptimization(seeairdistributioncalculation)具体数值要根据冷却机设计型式而定,且仅仅为优化的