汽轮机技术说明

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1、1.3.2SteamTurbineIsland汽轮机岛1.3.2.1Steamturbine汽轮机Thesteamturbineshallbe3000rpm,tandemcompound,singlereheat,regenerative,condensing,horizontallysplit,three-cylindermachinewithsix(6)uncontrolledextractionsforregenerativefeedheating.Theturbinewouldbedesignedformainste

2、amparametersof140kg/cm²(abs)at540°CbeforeemergencystopvalvesofHPturbineandreheatsteamtemperatureof540°CatinlettoIPturbine.TheLPturbinewillexhaustagainstacondenserpressureof0.087kg/cm2.Atturbinevalvewideopen(VWO)conditiontheturbo-generatorsetwillbeabletooperateconti

3、nuouslywithathrottlesteamflowofabout105%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

4、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。Steamturbineandaccessoriescomprisingbutnotlimitedtothefollowingequipment/systemstomakethesystemcompleteinallrespects.汽轮机和辅机包含但不局限以下使系统完整的设备/系统。-Necessarynumberofemergencystopvalvescomplete,includingthenecessar

5、yblow–outprovisions.必要数量完整的紧急停止阀，包含必要切断装置。-RequirednumberofsteamstrainersforinstallationintheHPandIPemergencystopvalvesincludinghousingsforinstallationinthelivesteamlineaswellasadditionalsteamstrainersforthecommissioningphase.要求有一定数量的安装于高压和中压紧急停止阀的蒸汽滤网，包含用于安装主蒸汽管路的

6、外壳，同时要求有用于调试阶段的额外滤网。-NecessaryhydraulicallyoperatedcontrolvalvesfortheHPsectionoftheturbine.必要的用于汽轮机高压部分液压控制阀门。-Requirednumbersofhydraulicallyoperatedcombinedorseparateintercept/emergencystopvalvesbeforetheIPsectionoftheturbine.7Copyright©2011Xi’anZhongdianEnergyCo

7、.Ltd..Confidential.AllrightsReserved-Atleastone(1)hydraulicallyoperatedemergencyshut-offoremergencycheckvalvesbeforetheIPsectionoftheturbine.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.Celectricalmotordrivenorhydraulicoperateddevice,complete,includingmanualturn

8、ingequipment.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。-ExplosiondiaphragmsforLPoutercasing.低压缸防爆装置。-Glandsteamandsealingsteamsystemcomplete,includingallnecess