汽轮机技术说明
盘车油泵(交流电机驱动),提供盘车装置运行时轴承润滑油。
-Controloilpumpsforgoverningsystemwithallaccessories.
调节系统的控制油泵及其附件。
-OilvaporextractionfansatleastoneoperatingwithA.CDriveandtheotherwithD.Cdrivewithoilseparationinthepiping.
汽机自动启动系统和汽机自动试验系统
1.3.2.2Turbineoilplant
汽机油站
Turbineoilplantcomplete,eachcontainingatleast:
完整汽机油站,每个至少包含:
-Oiltankfornormaloperationincludingoilstrainers
冷却水管路带有所需仪表和控制连接至终端,汽机侧包含管道支架、
锚杆支撑,循环冷却水管路膨胀节和配件,独立电机驱动的蝶阀及匹配的法兰,可以手动调整水箱和蝶阀。
-Vacuumbreakerwithprovisionformanualoperationlocallyorfromthecentralcontrolroom.
凝汽器,整套的,带弹簧支撑,支撑地脚螺栓,凝汽器扩容器平台等,
至少包含以下:
-Coolingwater(CW)pipingalongwithnecessaryinstrumentationandcontroluptotheterminalpointsin theturbineareaincludingpipesupports,anchors,CWlineexpansionjointsandfittings,isolatingmotoroperatedbutterflyvalveswithmatchingflanges,suitablehandlingarrangement (s)forwaterboxandbutterflyvalves.
-Doubleoilfilterforthecompletecontroloilflow
两台完整控制油流量的油过滤。
-Oilseparator/purifierplantcompletewithallauxiliaries
完整的带附属设备的油分离/油净化装置
-Sheetmetalductsforoilpipingandotheroilsprayprotectionequipment.
完整轴封蒸汽和密封蒸汽系统,包含所有所需控制阀,减压减温站,凝汽器和电机驱动的真空风机。
-Governingsystem
调节系统
-Flushcleaningprovisions
大量清洗装置
-Completenoiseandheatinsulation,totheextentnecessary.
完备的隔音隔热,达到必须的程度。
应提供足驱除不凝结气体维持凝汽器真空的够容量的真空泵。
1.3.2SteamTurbineIsland
汽Байду номын сангаас机岛
1.3.2.1Steamturbine
汽轮机
Thesteamturbineshallbe 3000rpm,tandemcompound,singlereheat,regenerative,condensing,horizontallysplit,three-cylindermachinewithsix(6)uncontrolledextractionsforregenerativefeedheating.The turbinewouldbedesignedformainsteamparametersof140kg/cm²(abs)at540°CbeforeemergencystopvalvesofHPturbineandreheatsteamtemperatureof540°CatinlettoIPturbine.TheLPturbinewillexhaustagainstacondenserpressureof0.087kg/cm2.Atturbinevalvewideopen(VWO)conditiontheturbo-generatorsetwillbe abletooperatecontinuouslywithathrottlesteamflowofabout105%turbineMCRconditionTheratedpoweroutputofturbogeneratoratTMCRshallbe150MWe.
该汽轮机转速为3000rpm,串联,单再热、回热、凝汽式,水平中分,三个缸带6段不可控制抽汽回热给水加热。该汽轮机设计参数为:主汽门(紧急停止阀)前主蒸汽压力140kg/cm²(abs)/540℃,进入中压缸前的再热蒸汽温度为540℃。低压缸排汽对应的压力为0.087kg/cm2。汽机阀门全开工况连续运行流经喷嘴蒸汽流量应为汽机MCR工况蒸汽流量的105%,汽轮发电机在TMCR工况时的额定输出功率为150mw。
至少一台交流驱动的排烟风机和其他直流驱动及管道油分离。
-Lubricationoilcoolers.
冷油器
-AutomaticOiltemperaturecontroldevice
油温自动控制装置
-Doubleoilfilterforthecompletelubricatingoilflow
两台完整润滑油流量的油过滤。
-ExplosiondiaphragmsforLPoutercasing.
低压缸防爆装置。
-Glandsteamandsealingsteamsystemcomplete,includingall necessarycontrolvalves,pressurereducingandde-superheatingstation,condensers andmotorsdrivenvaporsuctionfans.
辅助油箱,一个净油一个脏油,每个的容量跟正常运行油箱容量相同,
包含必须的连接三个油箱之间的管道及所需泵和中心滤油器。
-Metallicexpansionjoint
金属膨胀节
1.3.2.3Condenser
凝汽器
Condenser,complete,withspringsupports,holdingdownbolts,plateswithcondenserflashtanksetc.,includingatleast:thefollowing:
必须的润滑油泵,例如辅助油泵和紧急油泵或带有完整交流/直流启动合适的轴承冲洗用泵
-JackingoilpumpsAC&DCoperatedwithfacilitiesforlocal,remote&automatic operation.
可以就地远方和自动运行的交流和直流顶轴油泵。
-Turninggearoilpump(ACMotordriven)forsupplyinglubeoiltothebearingsduringturninggearoperation.
真空破坏装置规定可以手动在就地操作或在主控制室。
-Automaticventingofthecoolingwaterchambersat outageofcoolingwater pumps.
循环冷却水室应有自动排气,在循环冷却水泵中断时。
-Vacuumpumpsofadequatecapacityshallbeprovidedtomaintainthevacuuminthecondenserbyexpellingthenon-condensable gases.Onevacuumpumpwilloperateduringnormalplantoperationandduringstart-up,twounitswillbeoperated,suchthatthedesiredvacuumcanbepulledwithinashorttime.
必要数量使汽轮机中压部分紧急停止阀结合或分离液压操作机构。
-TurningequipmentA.Celectricalmotordrivenor hydraulicoperateddevice,complete,includingmanualturningequipment.
盘车设备交流电机驱动或液压操作,完整,包含手动盘动设备。
-Steamturbineacousticenclosure(removabletype)with necessaryventilationandlightingsystem
带有必须的通风和照明系统的汽轮机隔音罩(可移动式)。
-Spraywaterfloodingsystemforfireprotection
油管路金属薄片管和其他油管路喷淋保护设备。
-Auxiliary oiltanks,oneforcleanoilandonefordirtyoil,eachwiththesamecapacityastheoil tankfornormaloperation,includingthenecessaryinterconnectingpipeworkbetweenthethreetanksaswellastherequiredpumpsandcentraloilpurifier.
-Requirednumbersofhydraulicallyoperatedcombinedorseparateintercept/
emergencystopvalvesbeforetheIPsectionoftheturbine.
-Atleastone(1)hydraulically operatedemergencyshut-offoremergencycheckvalvesbeforetheIPsectionoftheturbine.
Steamturbineandaccessoriescomprisingbutnotlimitedtothefollowingequipment/