20103353LUBRICATIONENGINEERINGMar.2010Vol.35No.3DOI:10.3969/j.issn.0254-0150.2010.03.027:2009-09-29:(1985—),.E-mail:qianjian-hang00@yahoo.com.cn. ( 200231):,,,,,,。:;;;;:TH45 :B :0254-0150(2010)3-116-2TheRebuildingofHorizontalScrewDecanterCentrifugewithCombinedLubricationofOilandGreaseQianJianhang ZhouChengxi LiChen QianQing(ShanghaiCentrifugeInstituteCo.,Ltd,Shanghai200231,China)Abstract:Thefundamentalstructureandprincipleofhorizontalscrewdecantercentrifugewasintroduced.Thebearingseatwasimprovedbasedoncombinedlubricationofoilandgreasemethod,sothedecantercentrifugecanchoosedifferentlubricationmethodsaccordingtotherotatespeedofbearingwhenseparatingthematerialswithdifferentseparationfactor,itinsuresgoodseparationeffectandreducetheproductcost.Keywords:horizontalscrewdecantercentrifuge;combinedlubrication;greaselubrication;oillubrication;bearingseat ()———。,。。1 、,1。,,,,,[1]。1 Fig1 Thestructureofhorizontalscrewdecantercentrifuge:(1);(2),;(3),;(4);(5)[2]。1 Table1 Therelationofdrumdiameterandthepermittedmaximumrotatespeedandseparationfactor/m0.20.350.40.450.60.81.0/(r·min-1)72004100350032002400180014003700330028902550190014001150 、、、、、、。,,,[3]。1。2 2.1 脂润滑,;,、。:(1),,,;(2);(3);(4),;(5),。,,。,,,[4]。2.2 稀油润滑,,。,,,。,、,。,。,,,[5]。3 3.1 脂油混合润滑方式的提出,,。,,,。,,,,。,,,,,。3.2 脂油混合润滑轴承座的设计,,,、、。,,,、、。,。2,,,。(2(a))。,2(b),,2(c))。2 Fig2 Thebearingstructureofoillubricationbeforeandaf-terrebuilding(a)theuppercoverofthebearingofoillubricationbeforerebuilding;(b)theuppercoverofthebearingofoillubricationafterrebuil-ding,(c)thelowercoverofthebearingofoillubri-cationafterrebuilding,。,O,3(a),,3(b)。(下转第120页)11720103:(6)、、、、、、,。2 Fig2 Hydraulicoilpurificationsystem(7)、--、,FA0712-6000,[4]。。,,,,、,,,。2。(8)TRT、,,NAS16385~7,TRT。4 、,,3~6kPa,11.5MPa。、、、、,,,。TRT,TRT,,,,,。【1】.[M].:,2002.【2】GB10968-89[S].【3】GB50231-98[S].【4】GB/T13608-92[S].(上接第117页)3 Fig3 Thesealstructureofbearingafterrebuilding(a)theuppercoversealofbearing;(b)thelowercoversealofbearing,,,。4 ,,,,,。【1】.[J].,2002,34:24-26.【2】,,,.[M].:,2004:334.【3】,,,.[M].:,1999:153-156.【4】,,.[J].,1997(8):2-5.【5】,.[J].,2005(6):85-87.12035