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1、http://www.sdxcss.com/http://www.lwwctg.com/引风机液力耦合器油管振动原因分析及对策摘要:对三河发电有限责任公司3#、4#炉引风机液力耦合器油管振动过大的原因进行分析,通过调整工作油压力值及合理布置管道支撑架,有效降低了管路振动,消除其对发电机组安全运行的威胁。关键词:引风机;液力耦合器;油管;振动;压力中图分类号:TH43文献标识码:BReasonAnalysisandCountermeasureontheVibrationoftheOilPipeofInducedDraftFanFluidCou
2、plingAbstract:ThispaperhasanalyzedthereasonofexcessivevibrationoftheoilpipeoftheinduceddraftfanfluidcouplinginSanhePowerPlantNo.3andNo.4boiler.Throughadjustingworkoilpressureandinstallingpipecarriagereasonably,thevibrationiseffectivelyreducedandthethreattopowerunit’ssafean
3、deconomicoperatingiseliminated.Keywords:induceddraftfan;fluidcoupling;oilpipe;vibration;pressure1液力耦合器的工作特点http://www.sdxcss.com/http://www.lwwctg.com/1theworkingcharacteristicsofhydrauliccoupler 液力耦合器是以液体为工作介质的一种非刚性联轴器,输入轴与输出轴间靠液体联系,工作构件间不存在刚性联接,具有柔性传动、减缓冲击、隔离扭振的功能,可延长启动
4、时间,降低启动电流,使动力机轻载启动,解决沉重大惯量负载启动困难问题,过载保护原动机。调速型液力耦合器还具有无级调速功能,应用于风机、水泵节能效果显著。Hydrauliccouplerbasedonliquidworkingmediumofakindofrigidcoupling,betweentheinputshaftandoutputshaftbyliquidcontact,workthereisnorigidconnectionbetweencomponents,withaflexibledrive,slowshocks,isolat
5、ionfunctionoftorsionalvibration,canprolongthestartuptime,reducethestartingcurrent,maketheenginestartlightload,solvetheproblemofheavylargeinertialoadstart-updifficulties,overloadprotectionprimemover.Speedcontroltypehydrauliccouplerwithsteplessspeedregulatingfunctions,alsoap
6、pliestothefan,waterhttp://www.sdxcss.com/http://www.lwwctg.com/pumpenergysavingeffectisremarkable.2 设备概况2equipmentstatus 三河发电有限责任公司3#、4#炉为东方锅炉厂生产的DG1025/18.2-II6锅炉。引风机为成都电力机械厂生产的Y4-2×60-14No29F双吸双支离心风机。Sanhepowergenerationlimitedliabilitycompany3#,4#boilerproducedbydongfa
7、ngboilerfactoryforDG1025/18.2II6boiler.InduceddraftfanforchengdupowermachineryfactoryproductionofY4-2x60-14no29fdoublesuctiondoubleacentrifugalfan.http://www.sdxcss.com/http://www.lwwctg.com/ 引风机采用液力耦合器和烟气进口挡板联合调节的方式,液力耦合器共4台,均为德国福伊特驱动技术有限公司(VOITH)产品,型号为1150SVNL22-32。Indu
8、ceddraftfanjointregulationwithhydrauliccouplerandfluegasinletbaffle,hydrauliccoupler,atot