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ID:40353977
大小:6.20 MB
页数:112页
时间:2019-07-31
《2. Degradation & Varnish 》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、RotatingEquipmentLubricationExcellenceFluidDegradation&VarnishPresentedby:DaveWooton©2014Fluitec.AllrightsreservedRotatingEquipmentLubricationExcellenceWhatisVarnish?12©2014Fluitec.AllrightsreservedWhatisVarnish?•Thepracticaldefinitionis:–Materialthatisasecondphas
2、ewiththelubricantfluid.•Thatmeansanythingthathascomeoutofthefluidtocauseoperationalissues.•Itcanbeasolid,semi-solidorun-expectedsecondphaseliquid.•Itcanbeonthebottomofthetank,stucktothesurfaceorfloatinginthefluid.•Itexistsasamajorpotentialtothesystem’sreliabilityR
3、otatingEquipmentLubricationExcellence3Ref:ASTMD.02C.01Page*.©2014Fluitec.AllRightsReserved.Whatdoyousee?Describeeverythingyouobserveinthispicture…4RotatingEquipmentLubricationExcellencePage*.©2014Fluitec.AllRightsReserved.Ref:Livingstone,WootonSoftContaminantsOild
4、egradationby-productsconsistingofdegradedbasestockand/oradditivecomponentsRotatingEquipmentLubricationExcellence5Ref:Livingstone,WootonPage*.©2014Fluitec.AllRightsReserved.VarnishcanbesoftandgooeyRotatingEquipmentLubricationExcellence6SludgefoundinCRPSystem.Source
5、LivingstonePage*.©2014Fluitec.AllRightsReserved.VarnishcanbehardandbrittleRotatingEquipmentLubricationExcellence7SludgefoundinCRPSystem.SourceLivingstonePage*.©2014Fluitec.AllRightsReserved.Or,anythinginbetween.RotatingEquipmentLubricationExcellence8Source:MobilPa
6、ge*.©2014Fluitec.AllRightsReserved.Depositscanbeinawiderangeofcolors.RotatingEquipmentLubricationExcellence9Ref:Livingstone,WootonPage*.©2014Fluitec.AllRightsReserved.Varnishcanalsoform“stalactites”onreservoirceilings.RotatingEquipmentLubricationExcellence10Sludge
7、foundinMRGSystem.Source:LivingstonePage*.©2014Fluitec.AllRightsReserved.RotatingEquipmentLubricationExcellenceTheMechanismofVarnishFormation211©2014Fluitec.AllrightsreservedTheDepositionProcessThetwokeyvariablesthatdeterminethevarnishdepositionprocessare:1.Tempera
8、ture•HighTemperaturecancauserapidoxidationorcoking,burningthedepositsontothesurface•LowTemperaturewillimpactthesolubilityofthecontaminants2.Pressure–Ele
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