蒸汽透平维修RLHA STEAM TURBINE MAINTENANCE

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1、BPZhuhaiChemicalCompanyLtd.Revision:1RHALSTEAMTURBINEMAINTENANCERLHA型蒸汽涡轮机维修MN-M-53Page23of23Date:2005/08/08BPZhuhaiChemicalCompanyLtd.ZhuhaiChinaMAINTENANCEWORKINSTRUCTIONWorkInstructionMN-M-53ZhuhaiPlantRLHASteamTurbineMaintenancePage1of23Updated:1RLHA型蒸汽涡轮机维修Date:Jul21,2005Preparedby:ChengQuanmi

2、ngApprovedby:LuysterborgBartRevisedby:ApprovalDate:Aug08,2005WORKINSTRUCTIONIntroductionTimeInitial说明時間簽名ThisprocedureisusedforthemaintenanceofCOOPUSTurbineRLHA19&RLHA24only.Twoturbinesspeedare2900rpm.RefertodrawingNO.01H6251–08(attached).本程序仅适用于COOPUSRLHA19及RLHA24蒸气透平。两蒸汽涡轮机的转速均为2900rpm。参考图号：01H62

3、51–08(附图).Warning:Mostmaintenanceworkhavetodoatfield,highpressureandhightemperaturearetworisksforthiswork,properisolationandPPEareveryimportant.警告:大部分的维修工作必需在现场进行，主要风险来自高温高压，正确的隔离及PPE是非常重要的。1CoverRemovalandReplacement大盖的拆装1.1Removethefourboltsholdingglandhousingcovers(211)tothecover(2),andfourbolts

4、fromthehorizontalflangeoftheglandhousing.拆掉连接汽封盖（211）和大盖(2)的4颗螺栓，以及连接两汽封盖的4颗螺栓。1.2Removeglandhousingcovers(211)atverticaldirection.垂直向上拆去汽封盖（211）。1.3Removeboltsfromhorizontalflangeoftheturbine.拆去大盖的紧固螺栓。1.4Breakhorizontaljoint(cover/casematingsurfaces)byinsertingjackingbolts.用顶丝把大盖顶开。1.5Liftcoversl

5、owlyandcarefullysoastoavoiddamagingtherotorinside.小心拉起大盖，不要碰伤转子。1.6Rotateandremovetheupperlabyrinthsealfromthecover,usingcaretopreventthelossoflocatingsprings(700).RefertoFigure1.将上部迷宫密封旋出，小心不要丢失了弹簧（700）。参考图1。Dateprinted:2021/10/5Timeprinted:9:17BPZhuhaiChemicalCompanyLtd.Revision:1RHALSTEAMTURBINE

6、MAINTENANCERLHA型蒸汽涡轮机维修MN-M-53Page23of23Date:2005/08/08Figure1:LabyrinthSealAssembly1.7Removealloldsealantfromsurfaceofhorizontaljointandotherssealingsurface把所有密封面的旧密封胶清理干净。Note:Don’tfile,gougeorscratchthesesurfaces.注意：不能锉、凿、刮这些密封面。1.8Checklowerlabyrinthsealandexhaustcasing(1B),removeanyforeignmate

7、rial检查迷宫密封的下半部分及排汽腔（1B），取出腔内所有异物。1.9Rotateandinstalltheupperlabyrinthsealtothecover,usingcaretopreventthelossoflocatingsprings(700).RefertoFigure1.将迷宫密封的上半部分旋进大盖，小心不要让弹簧（700）掉出来。参见图1。1.10Applyjointsealantas