石油石化节能https://gwyt.cbpt.cnki.net宫艳红等:抽油机减速箱自润滑双级油封总成的研制与应用第13卷第1期(2023-01)抽油机是油田机械采油的重要生产设备,其运行状况的好坏直接影响油井的正常生产。减速箱作为抽油机的“心脏”,随着运行时间增加,输入轴、中间轴、输出轴的轴承端盖会出现不同程度的抽油机减速箱自润滑双级油封总成的研制与应用宫艳红1孔红芳2陈亮3齐玉梅1王朔3(1.大港油田第三采油厂;2.大港油田第五采油厂;3.大港油田第一采油厂)摘要:减速箱作为机械采油过程中的重要生产设备,长期在野外运行,由于箱体内压力高、回油槽堵塞、油封刃口与轴套发生干磨导致密封失效等原因易造成减速箱各部位发生漏油,成为生产过程中设备管理的一大顽疾,困扰油井的正常生产。针对以上问题,研制了减速箱双级油封总成,增加减速箱轴承密封级数,实现自润滑功能,解决了减速箱在轴承端盖部位漏油问题。现场124台抽油机减速箱成功应用后,达到了时率增产、降低油耗、杜绝污染等目的,累计创效154.54万元,延长减速箱输入轴和输出轴密封周期2~3倍,取得了降本增效和环保效益的双赢。关键词:抽油机;减速箱;油封;自润滑DOI:10.3969/j.issn.2095-1493.2023.01.009Developmentandapplicationofself-lubricatingdual-stageoilsealassemblyfordecelerationboxofpumpingunitGONGYanhong1,KONGHongfang2,CHENLiang3,QIYumei1,WANGShuo31No.3OilProductionPlantofDagangOilfield2No.5OilProductionPlantofDagangOilfield3No.1OilProductionPlantofDagangOilfieldAbstract:Asanimportantproductionequipmentintheprocessofmechanicaloilrecovery,thedecel-erationboxhasbeenoperatinginthewildforalongtime.Duringthisperiod,duetothehighpressureinthebox,theblockageoftheoilreturngroove,thedrygrindingoftheoilsealedgeandtheshaftsleeveleadtothesealfailure.What'smore,itiseasytocauseoilleakageatvariouspartsofdecelerationbox,whichbecomesamajorproblemintheequipmentmanagementduringtheproductionprocessandhindersthenormalproductionoftheoilwell.Inviewoftheaboveproblems,bydevelopingadual-stageoilsealassemblyofthedecelerationbox,increasingthenumberofsealingstagesofthedecelerationboxbearingandrealizingtheself-lubricatingfunction,theproblemthatthedecelerationboxispronetooilleakageatthebearingen...