屏蔽电泵轴向力自动平衡装置的研究

:10050329(2002)05003503屏蔽电泵轴向力自动平衡装置的研究(79,116033)::;;;;:TM32:ABalancingDevicesResearchonCannedMotorPumpMaWeiZouLiliAbstract:Balancingdevicesresearchoncannedmotorpumpwasintroducedbasedontheparticularityofpumpstructure,whichcirculatesinsideusingmethodutilizationhydraulictheoryautomaticbalanceaxialthrustisenergetically.Keywords:axialthrust;balance;shaftwithmotorrotorandimpeller;impeller;slidebearing1,:(1),(1FSSFDS);(2)F1=Qcom();(3)11,:FHY=FDS-FSS-F1,:PDS(R)=PDS-CDS222(R22-RDS2):FDS=2R2RDSPDS(R)RdR(DSSS),PDSPSSP(R),C(C=!/,!,),2,,,,,:2001112735Vol.30,No.5,2002FLUIDMACHINERY(),,,,,,2,,22,1,,23,,,,,,(),,,,,,,;,(),,,,(),,,,,,65-315:260mm235mm,33:(1)Sh=0,S1=14mm,S2=06mm,;(2)Sh=06mm,S1=08mm,S2=12mm,;(3)Sh=14mm,S1=0,S2=2mm,(a)(b)3,,,,,,,Sh,Sh03mm~06mm362002305,,,Sh,,,,,,,,,,Sh,,,,,;Sh,,44465-315,,Sh,;,Sh,40m3/h,678mm2;80m3/h,382mm2,,,,3(1),,,,,,,,(2),Sh,,:,:11603379(上接第27页),[1]6,,,,,,,,,,,,1/5~1/4,(5)3(1)(2)(3)(4),(5)[1],,[M]:,1997:430~439:,,1973,:20009351641937Vol.30,No.5,2002FLUIDMACHINERY