汽轮机油循环方案 Operation instruction for turbine oil circulation.docx
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汽轮机油循环方案 Operation instruction for turbine oil circulation.docx
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汽轮机油循环方案Operationinstructionforturbineoilcirculation
智利燃气联合循环发点工程
ChileGas-SteamCombinedCirculationPowerGenerationProject
汽轮机油循环作业指导书
Operationinstructionforturbineoilcirculation
编制:
Draftedby:
审核:
Reviewedby:
审定:
Verifiedby:
批准:
Approvedby:
浙江省工业设备安装集团有限公司
智利燃气联合循环发电工程项目经理部
ChileGas-SteamCombinedCirculationPowerGenerationProjectmanagementdepartmentofZhejiangIndustrialEquipmentInstallationGroupCo.,Ltd.
2011年03月07日
March7,2011
目录
Tableofcontent
1、工程概述
I.Projectgeneral
2、系统清洗前应具备的条件
II.Necessaryconditionsbeforesystemwashing
3、油循环的范围
III.Scopeofoilcirculation
4、汽轮机油循环步骤及注意事项
IV.Procedureandcautionstoturbineoilcirculation
5、油循环合格的条件
V.Conditionsforqualifiedoilcirculation
6、技术安全措施
VI.Technicalsafetymeasures
7、附表
VII.Attachedtables
一、工程概述
I.Projectgeneral
智利燃气联合循环发电工程共安装1台18MW抽凝式汽轮发电机组。
汽轮发电机组为南京汽轮电机(集团)有限责任公司生产的L18-3.43-4型冷凝式汽轮机和QFWL-18-2发电机,汽轮发电机组油管路为不锈钢材质,为清除外来杂质,在油管路安装完毕后油系统将进行清洗,为汽轮机试运行作好准备。
TheChileGas-SteamCombinedCirculationPowerGenerationProjectistotallyinstalledwith1unitof18MWextractioncondensingtypeturbo-generatorunit.Theturbo-generatorunitisthetypeL18-3.43-4condensingturbineandQFWL-18-2generatorproducedbyNanjingTurbine(Group)Co.,Ltd.,thematerialofoilpipelineofturbo-generatorunitisstainlesssteel;inordertoremovetheforeignsundries,theoilsystemwillbewashedwhentheoilpipelineisfinishedinstallation,preparingfortheturbinetrialrun.
二、油系统冲洗前应具备的条件
II.Necessaryconditionsbeforesystemwashing
1、油系统设备及管道全部装好,清理干净并严密密封;
1.Theequipmentandpipelineofoilsystemareallfinishedinstallation,thoroughlycleanedandtightlysealed;
2、备好灌油及油循环所需临时设施,各轴承进油管无滤油器时,应准备临时滤网,装好冲洗回路,将供油系统中所有过滤器的滤芯、节流孔板等可能限制流量的部件均取出;
2.Thetemporaryfacilitiesnecessaryforoilfillingandoilcirculationareready;incasetheoilinletpipeofeachbearingiswithoutoilfilter,temporaryfiltrationscreenshallbeprepared;installproperlythewashingloop,andtakeoutallthepartsintheoilsupplysystemwhichmaypossiblylimittheflow,includingthecoreofallfilters,orificecontrolvalveetc.
3、备有足量符合制造厂要求的并经化验符合国家标准SY1201-1978的汽轮机油。
3.Bereadywithenoughquantityofturbineoilwhichmeetsthemanufacturer’srequirementandexamineduptothenationalstandardSY1201-1978.
4、各油泵的电动机及系统上的排烟机经空载试运行,情况正常;
4.Themotorsofeachoilpumpandsmokeexhausteronthesystemworknormallyafteridletrialrun;
5、油系统设备、管道表面及周围环境清理干净,无易燃物,工作区域周围无明火作业。
5.Theoilsystemequipment,pipelinesurfaceandambientenvironmentarecleaned,withoutcombustibles;thereisnoflameoperationaroundtheworkingarea.
6、备好沙箱、灭火器等消防用具;
6.Thefirefightingtoolssuchassandbox,extinguisheretcareready;
7、灌油或放油时,汽轮机油的容器应清洁,不得使用未经彻底清理的盛过其他油种的容器,装有和运油时应严防与其他油种的容器混淆。
7.Uponoilfillingoroildischarge,thevesselforturbineoilshallbeclean,anyvesselwhichhadheldotheroilandnotthoroughlycleanedmustnotbeused;uponoilloadingandoiltransportation,thevesselmustnotbemixedwiththevesselwithotheroil.
8、向油箱灌油时,应经过滤油机,特殊情况下,直接向油箱灌油时,必须用滤网应不低于70目铜丝布过滤。
8.Uponfillingoiltotheoiltank,itshallgothroughtheoilfilter;inspecialcases,whentheoilisdirectlyfilledintotheoiltank,itmustbefiltratedbyascreenwhichismadeofcopperwireandnolessthan70mesh.
油箱灌油及油系统充油时,应检查下列各项并应符合要求:
Uponoiltankfillingoroilsystemfeeding,thefollowingitemsshallbeinspectedandmeettherequirement:
1、油箱和油系统设备及管道无渗漏现象;
1.Theoiltank,equipmentandpipelineofoilsystemarewithoutleakage;
2、油位指示器动作灵活,其指示与油箱中的实际油位应相符合;
2.Theoillevelindicatorfunctionswell,itsindicationcomplieswiththeactualoillevelinoiltank;
3、高油位和低油位信号应调整正确。
3.Thesignalsofhighoillevelandlowoillevelshallbecalibratedcorrectly.
三、油循环的范围
III.Scopeofoilcirculation
油循环工作主要包括以下内容:
Theoilcirculationmainlyincludesthefollowing:
1、清理油箱,向油箱内灌油;
1.Cleantheoiltank,filloilintotheoiltank;
2、各辅助油泵试运行;
2.Trialrunofeachauxiliaryoilpump;
3、按有关规定及本作业指导书要求进行油循环冲洗;
3.Makeoilcirculationwashingaccordingtorelevantregulationsandtherequirementofthisinstruction;
4、启动调速油泵进行调速油系统冲压试验及严密性检查,并对各油系统油压进行初步调整;
4.Startthespeedregulatingoilpumpforpressureapplicationtestandtightnessinspectiononspeedregulatingoilsystem,andadjustprimarilytheoilpressureoneachoilsystem;
5、配合热工、电气人员进行油系统设备连锁保护装置的试验与整定;
5.Testandcalibratetheinterlockprotectiondeviceofoilsystemequipment,incoordinationwiththethermal,electricalpersonnel;
6、油质合格后,恢复油系统部套重新对系统充入合格的汽轮机油。
6.Whentheoilqualityisqualified,resumetheoilsystemunit,andfillqualifiedturbineoilintothesystemanew.
四、汽轮机油循环步骤及注意事项
IV.Procedureandcautionstoturbineoilcirculation
油循环的步骤:
Procedureofoilcirculation:
1、首先冲洗主油箱、储油箱、油净化装置之间的油管路至清洁;
1.Firstly,washtheoilpipelinebetweenmajoroiltank,oilstoragetankandoilpurifier;
2、轴承润滑油的入口管不进油,单独冲洗主油泵的主管路至油质清洁;
2.Theinletpipeofbearinglubricatingoilisnotfilledwithoil;washthemajorpipelineofmajoroilpumpseparatelyuntiltheoilisclear;
3、打外循环,在汽机轴承处短路,将进油管和回油管直接连通,加装临时滤网,本系统需3处加装临时滤网:
汽轮机后轴承(发电机前)处、发电机后轴承处、汽轮机前轴承处。
临时滤网的规格为200目。
3.Makeexteriorcirculation,short-circuitatsteamturbinebearing,connectdirectlytheoilinletpipeandoilreturnpipe,addtemporaryfiltrationscreen;temporaryfiltrationscreenisneededin3positionsofthissystem:
attherearbearingofturbine(beforethegenerator),attherearbearingofgenerator,atthefrontbearingofturbine.Thespecificationoftemporaryfiltrationscreenis200mesh.
4、拆去推力轴承的推力瓦片进行油循环;
4.Removethethrustbushesofthrustbearingfortheoilcirculation;
5、将前轴承箱内调节保安部套的压力油管与部套断开,直排油箱(或将其油管短路连接)进行冲洗;
5.Disconnectthepressureoilpipewhichisinthefrontbearingboxforadjustingthesecurityunitfromtheunit,dischargedirectlytotheoiltank(orshort-circuitconnectitsoilpipe)forwashing;
6、冲洗时可使交、直流两台润滑油泵同时投入运行冲洗。
6.Uponwashing,thetwoAC,DClubricatingoilpumpsmaybeusedtogetherforwashing.
7、交替开闭各轴承临时截止阀,轮流冲洗各轴承管路以加大流速和流量;
7.Openandclosealternativelythetemporaryglobevalveofeachbearing,washeachbearingpipeinturntoincreasethespeedandflow;
8、当油样经外观检查基本无杂质后,对调节保安油系统进行冲洗并采取措施不使脏物留存在保安部套内;
8.Whentheoilsampleiswithoutimpurityafterappearanceinspection,washtheadjustingsecurityoilsystemandtakemeasuresnottoremaindirtinsidethesecurityunit;
9、将全部系统恢复至正常运行状态,在各轴承进油管上加装不低于100目的临时滤网,其通流面积应不小于管道断面积的2-4倍,将各调节保安部套置于脱扣位置,按运行系统进行油循环,两台冷油器交替循环,循环过程中应经常将滤网拆下清洗,防止被杂质冲破;
9.Resumetheentiresystemtonormaloperationstatus,addtemporaryfiltrationscreennolessthan100meshontoeachbearingoilinletpipe,itsflowareashallnotbelessthan2-4timesofpipelinesection;puteachadjustingsecurityunitinthepositionofdisconnection,makeoilcirculationaccordingtooperationsystem;thetwooilcoolerscirculatealternatively;thefiltrationscreenshallberemovedfrequentlyduringthecirculationforcleaning,avoidinganydamageduetoimpurities.
10、油循环完毕,及时拆掉各轴承进油管的临时滤网,并恢复各节流孔板。
10.Whentheoilcirculationiscompleted,removeimmediatelythetemporaryfiltrationscreenofeachbearingoilinletpipe,andresumeeachorificecontrolvalve.
油循环各阶段都应遵守下列规定:
Eachstageofoilcirculationshallbeabidedtothefollowingregulations:
1、管道系统上的仪表取样点除留下必需的油压监视点外,都应隔断;
1.Exceptforremainingnecessaryoilpressuremonitoringpoints,alltheinstrumentsamplingpointsonpipelinesystemshallbecutoff;
2、进入油箱与有系统的循环油应始终用滤油机过滤;
2.Thecirculatingoilenteringintotheoiltankandoilsystemshallalwaysbefiltratedbyoilfilter;
3、循环油温一般应保持在35-45℃。
刚开始打循环时要每半个小时检查清理一次,将临时滤网清理干净。
到后期视油质情况,可2~3个小时检查清理一次。
3.Thetemperatureofcirculatingoilshallgenerallybekeptat35-45℃.Itshallbeinspectedandcleanedinevery30minutesuponbeginningofthecirculation,cleanthetemporaryfiltrationscreen.Anditmaybeinspectedandcleanedinevery2-3hourslaterdependingontheoilquality.
4、循环过程中油箱内滤网应定期清理,循环完毕应再次清理。
4.Thefiltrationscreeninsidetheoiltankshallbecleanedregularlyduringthecirculation,anditshallbecleanedonceagainwhenthecirculationiscompleted.
5、对外露的管路、弯管、及焊缝用木锤敲击。
5.Striketheexposedpipeline,elbowsandweldjunctionswithwoodhammer.
五、油循环合格的条件
V.Conditionsforqualifiedoilcirculation
油循环达到下列要求时方为合格:
Theoilcirculationisnotqualifieduntilitmeetsthefollowingrequirements:
1、从油箱和冷油器放油点取油样化验,达到油质透明,水分合格。
1.Takeoilsamplefromtheoiltankandoildischargepointofoilcoolerforexamination;theoilshallbetransparent,withqualifiedwatercontent.
2、各临时滤网,无金属颗粒、锈皮、砂粒等杂质,纤维体仅有微量。
2.Eachtemporaryfiltrationscreenisfreeofmetalparticles,rustandsandetc,onlyalittlefiber.
3、油循环完毕,应具备汽轮机油化验记录和辅助油泵试运记录。
3.Whentheoilcirculationiscompleted,theexaminationrecordofturbineoilandtrialrunrecordofauxiliaryoilpumpshallbeavailable.
六、技术安全措施
VI.Technicalsafetymeasures
1、油系统设备、管道表面及周围环境清理干净,无易燃物。
1.Thesurfacesofoilsystemequipment,pipelineandambientenvironmentshallbecleanedwell,freeofcombustibles.
2、工作区域周围严禁明火作业、现场备灭火器、沙箱。
2.Flameoperationisstrictlyforbiddenaroundtheworkingarea,thesiteshallbeequippedwithfireextinguisher,sandbox.
3、确保道路畅通,有安全通道。
3.Ensurethattheroadisunblocked,securitypassagewayisavailable.
4、注意检查油泵,严防漏油,严防油流到电缆沟。
4.Inspecttheoilpump,preventstrictlytheoilleakage,andpreventtheoilfromflowingintothecablechannel.
5、严格制度,定时清理滤网。
5.Implementtheregulationstrictly,cleanthefiltrationscreenregularly.
6、工作现场的孔、洞,盖好,或设围栏,防止发生高空坠落。
6.Theholesintheworkingsiteshallbecoveredproperly,orenclosedbyfence,for
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