2024年第1期总第269期冶金动力METALLURGICALPOWER转炉煤气离心风机转子动平衡修复技术要点王国君,肖任情(湖南华菱涟源钢铁有限公司能源总厂,湖南娄底417009)【摘要】离心风机是一种高效、节能的气体输送设备,在钢铁企业广泛应用于各类煤气的加压和输送。由于转炉煤气介质含尘、含水量大,风机转子动平衡易遭其破坏,导致转炉煤气离心风机工况劣化,因此,掌握离心风机转子动平衡修复技术,可快速准确完成对转子动平衡修复,使其达到允许的平衡精度等级,将风机机械振动降至允许的范围内。介绍了转炉煤气离心风机悬臂式转子动平衡修复前、修复校正过程以及动平衡校正合格后的注意事项和技术要点,为提高动平衡修复效果和类似转子的动平衡修复提供借鉴经验。【关键词】转炉煤气;离心风机;悬臂式转子;动平衡修复【中图分类号】TH432【文献标志码】B【文章编号】1006-6764(2024)01-0024-03【开放科学(资源服务)标识码(OSID)】TechnicalPointsofRotorDynamicBalancingRepairforConverterGasCentrifugalFanWANGGuojun,XIAORenqing(TheEnergyPlantofValinLianyuanIronandSteelCo.,Ltd.,Loudi,Hunan417009,China)【Abstract】Centrifugalfanisakindofhigh-efficiencyandenergy-savinggasconveyingequipment,whichiswidelyusedinironandsteelenterprisesforpressurizingandconveyingallkindsofgases.Becausetheconvertergasmediumcontainsdustandwater,therotordy⁃namicbalanceiseasytobedamaged,resultinginconvertergascentrifugalfanworkingcon⁃ditionsdeterioration,therefore,themasteryofcentrifugalfanrotordynamicbalancerepairtechnologyisofgreatusetoachievethepermissiblelevelofbalanceaccuracy,andthefanmechanicalvibrationwillbereducedtothepermissiblerangeaswell.Thisarticleintro⁃ducestheprecautionsandtechnicalpointsbeforerepairingthedynamicbalanceofthecanti⁃leverrotoroftheconvertergascentrifugalfan,theprocessofrepairingandcalibrating,aswellastheprecautionsandtechnicalpointsafterpassingthedynamicbalancecalibration,whichprovidesreferenceexperiencefortheimprovementofdynamicbalancerepaireffectandthedynamicbalancerepairofsimilarrotors.【Keywords】convertergas;centrifugalfan;cantileverrotor;dynamicbalancingrepair前言离心风机作为一种高效、节能的气体输送设备,广泛应用于钢铁企...