填料材质与节能降耗

:100225855(2007)0520041203:(1967-),,,1,2(1.,300353;2.,266043),,;;:TH136:APackingmaterialandreducingconsumebyenergysavingWANGJun2hua1,LIUShi2Zhong2(1.TianjinValveResearchInstitute,Tianjin300353,China;2.QingdaoPowerPlantValveCo.,Ltd,Qingdao266043,China)Abstract:Introducesapplicationcharacteristicsofautomaticcontrolvalve,analysesthestressandfrictioncalculationofflexiblegraphitepackinginthepackingboxofautomaticcontrolvalve,givesmainmeasuresandmethodsforapplyingflexiblegraphitepackingtoachievethepurposeofreducingconsumebyenergysaving.Keywords:regulatingvalve;flexiblegraphite;energysaving1,,,,(),,,,,,,,,,,,,,,,,2,,,99%,,,,,,,,,332525,12MPa,375025,,,,,,,,,1420075,,,0105011501070143,3311,,,,,,(1)1,,,,,,,,,312Px,PxP,,,,1=01050115(=011),=01070143(=0114),,12,2=1131,=(1+2)/2=(1+1131)/2=11151,1…1=0111512(D+d)dyPx+/4(D2+d2)dpy=0,Py,,,Px,,PyPx,Py=nPx,dPyPy=-4udyn(D-d),y=h,Px=P,PxPdPPy=-hy4un(D-d)dy]lnPx-lnP=--4u(h-y)n(D-d)]lnPynP=-4u(h-y)n(D-d)D-d2=S,un=f,lnPynP=2f(h-y)S]PynP=e2fhynp]Py=nPe2fh-yS,n=114,=01115,P=25MPa,S=01008m,h=01065m,y=0P1P1=11425e1133=13213MPa,D=01048m,d=01032mQ1=4(D2-d2)P1=133kN313dr=ddyPxu=duPyndy2420075=du1nnPe2fh-ySdydyT=duPh0e2fh-ySdy=duPe2fh-0S=e2fh-hS=duPe2fhS-1=8035N,T=duPe2fhS-1=14348.8N4,3060s,(24h)75%18h,6kN,93516kJ(0126kW/h)213(),,,,996814kW/h,,,,11M1:,19921(:2007105110)(27),,R2Rv1v2v3v4v5v6v7a01601500000b0016012017000c0001201201700d0001700170170e0001100160150f00000012019,U={a,b,c,d,e,f},U={016,013,0,0,0,0}A=[0166,0133,0,0,0,0]B=A.R=[0166,0133,0,0,0,0].01601500000001601201700000012012017000001700170170000110016015000000012019M(,Ý),B=[01396,01548,01066,01231,0,0,0]b1=01396,b2=01548,b3=01066,b4=01231,b5=0,b6=0,b7=0,4,,,R,,,,,,,,,,11M1:,200512,1J1,2002,23(2):555813,,1J1,2007,2:424314,1J1,2006,4(1):798215,,1J1,2005,19(3):1511561(:2007106128)3420075