东汽50mw汽轮机说明书中文版要点

1111Project工程Sihauoukville2X50MWCoal-FiredPOWERPLANT西哈努克港2X50MW燃煤火力发电厂Client委托人 CAMBODIANENERGYLTD.柬埔寨能源有限公司Consultant顾问 POYRYENERGYLtd.贝利能源有限公司EPCContiactor承包商CHINAHUADIANENGNEERINGCO.,LTD中国华电工程有限公司Equip.Supplier设备供应商DONGFANGTURBINECo.,Ltd东方汽轮机有限公司DocumentNo.:(WBK)D60F-000100BSMRev:A文件号：(WBK)D60F-000100ESMRev:ADocumentTitle:文件名N60-8.83N60-8.83TurbineInstmctionManualN60-8.83汽轮机说明书(MainTurbine)汽轮机主体’-fl

ContentsN60-8.83T目录N60-8.83TS/NSection章节Description说明Pages页码Reniaiks备注1CompilationDescription总则121MailiTeclinicalSpecificationandEconomicTarget主要技术规范及经济指标131-1MailiTeclinicalSpecification主要技术规范241-2TeclinicalandEconomicTargetandPromiseConditions技术及经济垢棕及承诺条件152GeneralDesignFeatuies§—般设计特性162-1OperationFeatuies运行特点272-2MainSteamSystemandRegenerativeExtractionSystem主蒸汽系统和调节抽汽系统282-3SteamContributionandOperationModes蒸汽作用及运营模式192-4Water-sprayingSystemforRearCylinder后汽缸喷水系统1103CoiistfuctionalFeaturesofTurbineProper汽轮机本体构造特点2113-1Shafting大轴2123-2Cylinder汽缸2133-3SteamFaiiwavAriaiigement蒸汽管路布置2143-4ValvesandPipes阀门及管道2153-5SlideKeySystemandDifferentialExpansion滑销系统及胀差2163-6TurningGeai-盘车装置2173-7InsulationandEnclosure绝缘保温1183-8TempeiatuieandPressureMonitoring温度、压力的监视1194MaiiufactuierNameandAddiess制造商姓名、地址1N60-8.83TurbineInstructionManual(MainTurbine) (WBK)D60F-000100BSMN60-8.83TurbineInstructionManual(MainTurbine) (WBK)D60F-000100BSMN60-8.83TurbineInstructionManual(MainTurbine) (WBK)D60F-000100BSMN60-8.83TurbineInstructionManual(MainTurbine) (WBK)D60F-000100BSM11Page1of1CompilationDescription总贝I」N60-8.83typesteamturbineisa60MWturbinemodelthatisdesignedandmanufacturedbasedontheadvancedtechnologiesthatareintroduceddomesticallyandinternationally.Itisanewkindofcondensingturbineofimpulsetype,hightemperature,pressuieandsinglecylinder.Itmatchesboilerofcorrespondingcapacityandsteamturbinegeneratortoformthermalgenerationunit.Itisofbasicloadinelectricitygrid,andcanalsoregulatethepeak.N6-8.83型汽轮机是依据国内外先进的技术设计制造的60MW的汽轮机。它是新型的冲动、高温、高压、单缸凝汽式汽轮机，与应容量的锅炉及汽轮发电机相匹配组成热力发电系统。它可以带电网基本负荷，同时可以调节峰值。Thecontrolsystemoftliisunitislowpressuieelectricregulation.控制系统是低压电液控制Thisinstructionmanualmainlydescribestliegeneraldesignoftheunitandtliestructureoftlieturbineproper.Pleaserefertorelatedtechnicaldocumentsprovidedwiththeinacliiiiefordetaileddescriptionsonrelatedauxiliaries,governing,protectionandsafetysystems,installationandmaiiitenaiice,start-upandoperation,andvaiioussystems.Iftheinstructionconflictswithteclinicaldocumentsprovided,thedocumentsshallprevail.说明书主要包括机组的一般设计及本体说明。关于辅机系统设备、调节系统、保安系统、安装和维护、启动和操作及其他系统的详细说明请参考相关技术文献。若说明书与提供技术资料有冲突，以技术资料为准。Inthisiiistnictionthepressuiesforthethermalsystemarepresentedinabsolutepressure.Toengineeringmeasuiingunitsbymeansofthefollowing:说明书中涉及到的热力系统中的压力为绝对压力。说明中用到的法定度量单位体系可以根据下面的换算公式转换为工程计量单位：Force:1kgf=9.8067NPressure:1kgf/cm2=0.098067MPaHeat:1kcal=4.1868KJ公式：1kgf=9.8067NPressure:1kgf/cm2=0.098067MPaHeat:1kcal=4.1868KJNote:definitionsof"left"and"right"sides:Beingviewedinthediiectionfromtliesteamturbinetowardsthegenerator,thelefthandsideisdefinedasthe"left"sidewhereasthe1ighthandsideisdefinedasthe”right”side.Definitionsof"front"and"rear"ends:theendclosetothesteanituibiiieisdefinedasthe"fiont1'whereastheendclosetothegeneratorisdefinedas"rear"end.注意：“左侧”和“右侧啲定义：从汽轮机看向发电机的方向，左手侧定义为“左”，右手侧定义为“右”。“前端”和“后端”的定义：汽轮机端定义为“前端”，而发电机端定义为“后端”。MainTechnicalSpecificationandEconomicTaiget

1主要技术规范和经济指标MailiTechnicalSpecification1-1主要技术规范Model:N60-8.83型号：N60-8.83Type.-impulsetype,liighpressure,hightemperature,singlecylinder,singleshaftcondensingsteamturbine类型：冲动式、高压、高温、单缸、单轴冷凝汽轮机Guaranteeoutput(TMCRcondition):60MW保证输出(TMCR工况)：60MWMaximumpower(VWOcondition):64.5MW最大功率(VWO工况)：64.5MWRatedcondition(TMCRcondition)parameters:额定工况参数Mainsteampressuie:&83MPa主蒸汽压力8.83MPaMainsteamtemperature:535°C主蒸汽温度535°CMainsteamflow:225.8t/'h主蒸汽流量225.8t/hBackpressure:8.5kPa背压8.5kPaInlettemperatureofthecoolingwater:3(FC冷却水进口温度30°CMakeupwatertemperatuie:235.4°C补给水温度235.4°CMaximumsteamflow:245t/h主蒸汽流量245t/hRotationdiiection:clockwisewhenviewedinthediiectionfromturbinetogenerator转动方向：从汽轮机向发电机方向看为顺时针。Ratedspeed:3000r/niiii额定转速：30001/miiiShaftingcriticalspeed:(calculatedvalue):临界转速(计算值)181Or/niiii(Steamtuibiiie1ststep)>4160r/min(Steamturbine2ndstep)*1679.7i7niiii(Generator1ststep)18101/niiii(汽轮机一阶)>4160i7niiii(汽轮机二阶)*1679.7r/min(发电机一阶)*Theshaftcriticalspeedofgeneratorreferstothedataprovidedbytliemanufacturingcompanyofthegenerator.发电机转子临界转速依据发电机制造厂家提供的数据。Numberofstages:21stagesilltotal,consistingof1governingstage+20pressurestages级数：21级，包括一个调节级和20个压力级Regenerativeextractions:6stagesconsistingof2HPheaters+3LPheaters+1deaerator回热抽气：6级，包括2个高压加热器3个低压加热器和1个除氧器Heightofdielaststageblade:660mm末级叶片长度：660niniAmiulai'areaofthelastblade:4.14m2末级叶片环形面积：4.14平方米Coolingsuiiaceaieaoftliecondenser:4000m2凝汽器冷却面积：4000m2Pointsfornon-contiollingextiaction:BeliiiidstagesNo5,8,11,15,17,19非调节抽气口位置：在5、8、11、15、17、19级后Overalldimensionofthetuibiiie:8569.5minx6900ninix3360min(Theheightisthedistancebetweenelevationoftheoperationfloorandatinospheric-pressure-reliefvalveontherearcylinder.)汽轮机的总体尺寸：8569.5mnix6900nunx3360mm(高度是从运转平台到后汽缸上大气压力安全阀的垂直距离)Weightofthesteamturbine:~141t,(includingvalves,steampipes,flameandlevellingparallels)汽轮机的重量：〜141t,(包括阀门，蒸汽管道，水平支吊架)Maximumliftingweight:~25tons(fbrliftinguppercylinderassemblyduringmaintenance)~38tons(forliftinglowercylinderassemblyduringinstallation)最大吊装重量:~25t(检修时上缸组合)~38t(安装时下缸组合)Maximumliftingheight:6.36m(withrespecttotheoperationfloor)最大吊装高度：6.36m(吊钩至运转平台)Elevationoftheoperationfloor:8m运转平台高度：8mExecutivestandardoftheproduct:GB5578-85SpecificationforStationaiySteamTurbinesDrivingGenerator•产品的执行标准：GB5578-85《固定式发电机用汽轮机说明书》1-2TeclmicalandEconomicTaigetandPromiseConditions1-2技术经济指标及保证条件Theratedoutput60MW(TNICRcondition)(Theheatguaranteevalueis9249kJ/kW.h)willbeguaranteedifthefollowingoperationconditionsaiemet:额定输出60MW(最大连续出力工况)(保证热值为9249KJ/KW11)为保证热值运行条件满足以下要求：Mailisteampressure:&83MPa；主蒸汽压力为：8.83MPaMailisteamtemperature:535°C;主蒸汽温度为：535°CMailisteamflow:225.8t/h；主蒸汽流量为：225.8t/hBackpressure:8.5kPa；Inlettemperatureofthecoolingwater:30。(?背压为8.5KPa；冷却水入口温度为30°CMakeupwaterflow:0%;补水流量为：0%Regenerativeextractionsystemoperatesnormallyandkeepsteamfail-wavnormalandclean;回热抽汽系统运行正常并保持蒸汽管路正常清洁。Makeupwaterpumpmeetsratedpaiameters;给水泵达到额定参数Efficiencyofthegeneratorisnolessthan9&33%,ratedpowerfactoris0.8;发电机效率个低于98.33%,额定功率因素0.8Themaximiunoutput,62.6MWwillbeguaranteedifthefollowingoperationconditionsaremet(undertheVWOcondition):保证最大输出功率62.6MW应满足以下运行条件(在阀门全开状态)：Mailisteampressure:&83MPa：Mainsteamtemperature:535弋;主蒸汽压力S.83MPa，主蒸汽温度535°CMainsteamflow:237.1t/h;主蒸汽流量：237.1t/hBackpressuie:8.5kPa:Inlettemperatureofthecoolingwater:30弋：背压：8,。5KPa；冷却水入口温度：30°CMakeupwaterflowis：0%;给水流量0%RegenerativeextractionsystemoperatesnormallyandkeepsteamfaiiAvavnormalandclean;回热抽汽系统运行正常并保持蒸汽管路正常清洁。Makeupwaterpumpmeetsratedparameters;给水泵达到额定参数Efficiencyofthegeneratorisnolessthan9&33%,ratedpowerfactoris0.8;发电机效率个低于98.33%,额定功率因素0.8Ifthetheniialevaluationtestisnotconductedinatimelymaimeraftertheunitisputintooperation,anagingdeductionfactorforcorrectingthethermalefficiencyshallbeconsideredillaccordancewithTEC953-2-90ofInternationalElecUiciaiisCommittee.如果在机组投入运行后没有及时做热力试验，依照国际电力委员会标准，为排除设备老化影响引入修正系数来修正热效率。Thefactorsareasfollows:系数规定如下：0.07%/monthduringaperiodof3-12months;在3-12个月期间为0.07%0.042%/monthduringaperiodof13-24months;在13-24个月期间为0.042%Methodforacceptancetestwitlirespecttothethermo-dynaniicpeifbrniaiice,accuracyoftheinstilmentsused,therevisionofthetestresultsandtheuncertaintyofmeasuiedheatrateshouldmeettheAmericanSocietyofMechanicalEngineersStandard(ASMEPTC6.1).关于热力学性能验收测试采取的措施，仪器使用的准确性，对测试结果及测试热效率不准确性的修正应依据美国工程师机械标准(ASMEPTC6.1)N60-8.83TurbineInstructionManual(MainTurbine) (WBK)D60F-000100BSMN60-8.83TurbineInstructionManual(MainTurbine) (WBK)D60F-000100BSMN60-8.83TurbineInstructionManual(MainTurbine) (WBK)D60F-000100BSMN60-8.83TurbineInstructionManual(MainTurbine) (WBK)D60F-000100BSMGeneralDesignFeatures2—般设计特性2-1OperationFeatures2-1运行特性StartupConditions启动方式Thestartupconditionsofthisunitareclassifiedbasedontheinnerwallmetaltemperatureoftlielowerbodyoffrontcylinderaftertheregulatingstage.机组启动方式是根据下汽缸体调节级后内壁金属温度来分类的：Coldstail-up:lessthan150°C;冷态启动：低于150°CWarmstart-up:15OX-3QO°C\半热态启动：150°C-300°CHotstart-up:300~400°C;热态启动：300-400°CExtremehotstart-up:above400°C;极热态启动：4009以上Theunitcallbestalledupwitliratedpaiametersorslideparameters.机组既可以采用额定参数启动，也可以采用滑参数启动。OperationControllingMode操作控制模式Operatormanualmode(manual);operatorautomode(semiauto);turbinesei人startmode(auto)手动操作；半自动操作；自动操作OffsetFrequencyOperation超出设定频率范围的运行Duringlifetime,theunitoperationiscontinuousandstableinthefrequencyrangeof48.5—51HzOffcetfrequencyoperationtimelimitoftlieunitshallconformtothefollowingtable.整个过程中，机组运行是连续的，并且保持频率在48.5-51HZ范围内。机组在超出设定频率运行时间限制依据下表：Frequency(Hz)频率Permittedoperationtime允许运行时间Total(niiii)总时间(分)Onetime(sec)—次运行时间(秒)>51.5Notallowed个允许51.0-51.5303048.5-51.0Continuousoperation继续运行4&0H&530030047.5-4&0606047.0-47.51010<47.0Notallowed个允许Unitallowableloadcliaiigerate机组允许的负荷变动率From100%to50%T-MCR,notmorethan5%T-MCR/miii;Below50%T-MCR,notmorethan2-13%T-MCR/min;Loadphasestepbeingnomoretlian10%isallowed.在100%到50%最大功率之间，负荷变动率个大于5%最大功率/mill；低于50%最大功率时，负荷变动率个大于3%最大功率/min；负荷加载阶段不超过10%是允许的。Others其他Toensuiesafeunitoperation,themaximiunallowedbackpressureis17.7kPa;maximumallowedexliausttemperatureis10(TC.为保证机组安全运行，最大允许背压17.7KPa；最大允许排气温度为100°CoItisnotallowedidlenmiiiiigtolastmorethan15minutesafterloadrejection.甩负荷后，不允许空转超过15分钟。Theallowedunitminimumloadforlong-termoperationis18MW,witliiiitherangeofminimumloadto100%ratedload,theturbinecanoperatescontinuouslyandstably.机组允许长时间运行的最小功率为18MW,在机组允许最4、功率到额定功率范围内，机组可连续稳定运行。N60-8.83TurbineInstructionManual(MainTurbine)(WBK)D60F-000100BSMN60-8.83TurbineInstructionManual(MainTurbine)(WBK)D60F-000100BSMN60-8.83TurbineInstructionManual(MainTurbine)(WBK)D60F-000100BSMN60-8.83TurbineInstructionManual(MainTurbine)(WBK)D60F-000100BSM2-2MainSteamSystemandRegenerativeExtractionSystem2-2主蒸汽系统和回热抽汽系统MainSteamSystem主蒸汽系统Themainsteamsystemisaunitoperationthatmeansoneboileroperateswitlionesteamtuibiiieundernormalcondition.在正常情况下，单元制机组中主蒸汽系统是指一台锅炉对应一台汽轮机运行。Themainsteam,comingfiomtlieboiler,flowsintothemainstopvalvetluoughamainsteampipe,thenitgoestofourgoverningvalvesseparatelyviafourmainsteaminletpipes,filiallyflowstotliecylinder.Thesteam,havingdoneworkilltliecyliiideis,willbeexliaustedintoacondensertluoughtherearcylinder.来自锅炉的主蒸汽，通过主蒸汽管道进入主汽门，然后通过四个调节阀分别进入四根主蒸汽进口管路，最终进入汽缸。在汽缸内做完工的蒸汽，到达后汽缸然后排入凝汽器中。Regenerativeextractionsystem回热抽汽系统Therearesixstagesofregenerativeextractionfortliisunit,consistingoftwoHPheaters,onedeaeratorandthieeLPheaters.PleaserefertoFigure2-2-1RatedConditionHeatBalanceChait.Table2-2-1showsallparameteroftheextractedsteanifortheregenerativesystemwhenthedeaeratorisinconstantpressuieoperationmiderTMCRcondition.表2-2-1表示的是在最大连续运行工况下除氧器定压运行时回热抽汽系统所有参数ExtractionSectionNo.抽汽序号123斗56Heatername加热器名称No.lHP1#高加HTRN0.2HP2#高加HTRDTR除氧器NO.4LP4#低加HTRNO.5LP5#低加HTRN0.6LP6#低加HTRExtractionpoint(beliindstage)抽汽口位置(级后)5811151719Pressure(MPa)压力3.4661.941.0260.3520.1540.045Pressureloss(MPa)压损3%3%5%5%5%5%ExtractiontemperaturefC)抽汽温度416.1342.9269.1160.9112.17&6Flow(t/h)流量14.11316.7295.0767.88811.26.4本机组有六级回热抽汽，包括两台高压加热器，一台除氧器和三台低压加热器。请参阅表2-2-1中额定工况热平衡表Table2-2-1表2-2-12-1-2N60-8.83TurbineInstructionManual(MainTurbine) (WBK)D60F-0001OOBSMN60-8.83TurbineInstructionManual(MainTurbine) (WBK)D60F-0001OOBSMN60-8.83TurbineInstructionManual(MainTurbine) (WBK)D60F-0001OOBSMN60-8.83TurbineInstructionManual(MainTurbine) (WBK)D60F-0001OOBSM错误!未找到引用源。 丄Fig2-2-1DiagramofRegenerativeSystemunderTMCRCondition最大连续工况下回热系统图2-2-2(WBK)D60F-000100BSMN60-8.83TurbineInstructionManual(MainTurbine)(WBK)D60F-000100BSMN60-8.83TurbineInstructionManual(MainTurbine) (WBK)D60F-0001OOBSMN60-8.83TurbineInstructionManual(MainTurbine) (WBK)D60F-0001