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(310014)(ECA)(CN),ECA25%,,,,,0(CN),,,;,,;,,,,,,(CN)25%,,,,:;;CN,(CN),,,,,ECA,,1ECA,,ECAECA,,,,,,,,,,,,,,CN,,,,CN2(CN),,,,ECA,0.7%0.8%()2.1,11(CN)/min/min()/%08A-130CrMnMo725030.516A-120CrMnMo14510527.624A10#17013520.6FK1650HP20#14511520.708A20Mn554027.312B10#806025.010A10#856523.3,ECA:25320046GUOWAIJINSHURECHULIVol.25,NO.3Jun,2004©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=(30.5%+27.6%+20.6%+20.7%)/4=25%:Y2=(27.3%+25.0%+23.3%)/3=25%ECA,(CN)Y=25%2.2:(16A,20CrMnMo)2M+AKF/mm/HV/HVECA453420.38751440ECA2210.397974452.3:(16A)2.41),ECA(CN)25%2),3)ECA,,,,,4)ECA,,,,,,,33.11)(X1)45kW,0.6/X1=45240.633%=53.52)(X2)3.5ml/min,1.5/kg,0.86kg/LX2=24603.5/10000.861.525%=1.63)(X3)ECA12,70kg,1000X3=1270/1000100025%=2104)(X4)260/kg,160:1X4=24603.5/10000.861/160260=7.05)(Z)Z1=330(X1+X2-X4)=1.59Z2=330X3=330210=6.933.21)(X1)280kW,0.6/X1=242800.633%25%=332.62)(X2)1.5/kg,0.86kg/L,7L/hX2=7240.861.525%=543)(X3)ECA2000kg,1.2/kg,X3=20001.225%=6004)(X4)260/kg,160:1X4=7241/160260=2735)(Z)(44)733:©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.()1.8(500)0.6(250500)0.5(250)0.4()0.4(1.5mm)2.5(1.53.0mm)3.5(1.5mm)3.2(1.53.0mm)4.21.70.61.82.50.50.3K21.00.91.11.62.01.6K31.61.41.0K4%51.05101.2101.63.0K530%1.630%50%1.450%80%1.280%1.0,GB/T173851998GB/Z187182002,3344()830850,K1K2K3K4K554GB/Z18718,AB(37)Z1=330(X1+X2-X4)=3.75Z2=330X3=330600=19.8:,,33033%,244ECA:1)ECA(),25%2)ECA,3)ECA4),,(CN)4425©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.