角行程调节阀力矩特性及驱动机构的选用

:100225855(2007)0520030203:(1973-),,,(,751100),,,,;;:TH134:AAnalysisoftorquecharacteristicsofballcontrolvalvesandchooseofcorrespondingdrivingequipmentCHANGZhan2dong(WuzhongInstrumentCo,.Ltd,Wuzhong751100,China)Abstract:Thesubjecthasplacedemphasisonanalysisoftorquecharacteristicsofseveralballcontrolvalves,andanalyzedthechoiceofdrivingequipmentwhichmatcheswiththecorrespondingtorquecharacteristicandtherequirementsofworkingcondition.Wecanchoosethedrivingequipmentcanbechosenaccordingtoloadingcharacteristic.Inthisway,thereliabilityofcontrolsystemwillimproveddramaticallytoensurethatthesystemeconomyrunsefficiently.Keywords:ballcontrolvalves;torquecharacteristics;choice1,,,,,,,,2,,,090,,(1),,,,,,,211MFMF=MQF+MFT(1)MQF,NmMQF=DMPpfMR(1+cos)8cos(2)DMP,mmfMR,mmMFT0320075,Nm,,MQF,MQF=MQF1+(MQF2+MQF2)(3)MQF1,NmMQF2(),Nm1212DN200mm,,,,,MF=MQF1+(MQF2+MQF2)+MFT+MZC(4)MZC,Nm,,,,,,,,,360,,,,,MDMD=MM+MC+MT+Mj+Md(5)MM,NmMC,NmMT,NmMj,NmMd,Nm,MM,MMMj,,Md=210-9g9HD390+2gHV02(6)g,m/s29H,mmD,mm9,0V0,m/sMd=D3p(7)p,MPa(6)(7),,,,,,2,1320075(2),,(3)3607060,234,,,60,,,,,,M1M1=DH2p2(8)D,mmH,mm560903(4),3(5)(a)(b)(c)41121315(1),,,,(2),,(35)2320075,,,,,,,,,,404500Nm,7090,435/s43,,,,,,(),,,TV,,,,,,,,,,1000kN,,240mm/s,5(012%),(014%),(1000kN),(40mm/s35/s),,,,()()11M1:,1998121M1:,2002131M1:,200414,,1J1,2005,(4)1(:2007106124)(32)(3),,,6,,,,,,,,,,7,,,11M1:,2000.(:2007106124)5320075