V形切口球体旋转控制阀

:100225855(2006)0420001204:(1973-),,,,V(,751100)V,V;;;;:TH134:AVee-ballcontrolvalveWANGXue2peng(WuzhongInstrumentco.Ltd,Wuzhong751100,China)Abstract:Thearitclearguesthatthecontrolvalveisaimprotantpartinacontrolproceseloop,ana2lyzesgengeralsituationofVee-Ballcontrolvalveandemphasizesandesignofthestructureoftripleeccentricity.Keywords:Vee-Ball;controlvalve;industricalprocesscontrol;flowratio;tripleeccentricity1,V,22111,2,,(ISA),Fisher,,,,(),VV,(1)1V212V,VFisherV,,120064,,FL,,,,V,3001,,90,,,,,ANSI150300600,213,,,,,,,,(-),DCS3VFisher,V100V150V200V300DN25300,ANSI150300600,Cv8143980VDN350600,ANSI150300,Cv561010300V250,V500DV500Vee-BallDN2550FisherVee-Ball,,,HD,,,,FisherV500DV500,316,SS138AVee-BallV,(2)32V500DV500138AValtekShearStreamControlValvesVFisherV150NelessReduced-borequarter-tumvalveV4KOSO210C210E220E,,V,,,GOSCOVARI-VV,,,,(3)4FisherV500DV500SS138A,220064,,KOSO210C210E220E,GOSCO3GOSCO4,,,,,,,,,,,9044(1)e=0,P1K2P2K1nm,RnRmRnRm(2)xoy,P1P2P1(-H,Rn2-H2)P2(-H-b,Rm2-(H+b)2)P0P1Kpp=(Rn2-H2-Rm2-(H+b)2)/b(1)P0P1y=Kpp+b1,P1,P0P1b1=HKpp+Rn2-H2(2)K1K2K1(-H,Rn2-H2)K2(-H-b,Rm2-(H+b)2)P0K1Kpk=(-Rm2-H2+Rn2-(H+b)2)/b(3)P0K1y=Kpkx+b2,K1(3),P0K1b2=Kpkx+Rm2-H2(4)y=Kppx+b1y=Kpkx+b2P0(x0,y0)x0=b1-b2Kpp-Kpk,y0=Kppb2-Kpkb1Kpp-Kpk,=arctgb1Kpk-b2Kppb1-b2=arctgy0x0(5)/2=+=2(+)=aectgKpp=2[arctgb1Kpk-b2Kppb1-b2+arctg(Rn2-H2-Rm2-(H+b)2)/b](6)(1)(4)Kpp,b1Kpk,b2,(5)(6),(3)(4)xoyx=xcos+ysin,y=-xsin+ycos(7)P1K2xoyP1x1=-Hcos-(Rn2-H2)siny1=-Hsin-(Rn2-H2)cosK2x2=-(H+b)cos-(Rn2-(H-b)2)siny2=-(H+b)sin-(Rn2-(H-b)2)cos320064=|x2-x1|=|(Rn2-H2)sin-Rn2-(H-b)2)sin-bcos|(8)(4)L4E0(x0,y0),E0P1f,LL=|x1|+f+=rsin2=rsin(+)r,L=|-Hcos-(Rm2-H2)sin|+f+rsin(+)(9)(5),,,3,P0P1xoyKpp=tg(+),y=tg(+)x+b1P1(x,y)b1,x0y0,=2y0=2{tg(+)[Hcos+(Rn2-H2)sin+f]+Rn2-H2-Hsin+[Hcos+Rn2-H2sin]tg(+)}(10)=+2rcos(+)-2r(11)DN100mmPN614MPa2,96,916mm,L6218mm,106mm102mm,e=215mm,e=2mmANSIB161104V,4505005V,,1IEC534-1-1987,S.2M.:,1978.3Vee-BallValves.Fisher-InstrutionManualZ.2002,1-42.4GOSCO.VARI-VZ2002.(:2006104103)OKMOKM(OKM),11135Office5211354,53113525413303::215128::0512-65688430:0512-65131741E-mail:[e-mail](,)420064