S42F8_DN25型形状记忆合金疏水阀的研制

:100225855(2007)0520001203:(ZR-96-033):(1971-),,,,S42F8-DN251,2(1.,730050;2.,730050)S42F8-DN25;;:TH134:AStudyonS42F82DN25typeofsteamtrapwithshapememoryalloyHUANGYu2qin1,DUZhao2nian2(1.GanSuConstructionVocationalTechnicalCollege,Lanzhou,GanSu,730050,China;2.LanZhouTechnologyUniversity,LanZhou,GanSu,730050,China)Abstract:AS42F82DN25typeofthermostaticsteamtrapisdesignedwithshapememoryalloy(SMA).TheoperationprincipleoftheS42F82DN25typeofthenovalveshaftSMAsteamtraparedescribedinthispaper,anditsimportantparthavebeendesigned.Keywords:steamtrap;SMA;design1,,,,S42F8-DN25(SMA),SMA,S,4,2SMA,F,8018MPa,DN2525mmSMA,,,2TiNi,S42F8-DN25SMA(1),SMASMAMS,SMA,,,SMA,(AS)SMA,SMA,,SMAMS,MS,,,1211,,,,2120075SB=PDN2[L]-P+C(1)SB,mmDN(DN=55mm),mmP(),MPaP=PN=018MPa[L](HT250[L]=36MPa),MPaC(C=5mm),mm(1),SBSB=PDN2[L]-P+C=0.855236-0.8+5=5162mmGB12232,6mm,SB=6mm1.2.3.O4.5.6.7.8.9.10.11.12.13.14.15.16.SMA17.SMA1S42F8-DN25SMA212GB421614-84,GB12250-2005L,L=160mm213,,015mm,=3mmbm=(1/201/50)DN,bm=0151125mm,23mm3,bm=4mm,60,=30,25mm214,,,,,,S=10mm215(1),,223PH+F1=F2+kB1(2)PHSMA,NkB,N/mm1,mmF2,NF2=4(DMW2-DMN2)1+fmtgqMF=480N(=30),()fm(fm=013)DMW(DMW=3817mm),mm220075DMN(DMN=3417mm),mmF1(),NF1=A1PN=433182018=71715NA1(DMZ),m2PN,MPa(2),,,,SMAPHF2-F1+kB1(2),,,,,3PL+F1=kB1(3)PLSMA,N(3),,,,SMAPLkB1-F1216SMA4(1)PHPLHL,5PHHGH=PLLGL(4)1=40mm,H=50mm,PH=84817N,PL=369N,kB=2711N/mm(2)max,max106,max018%105,max=115%,SMA,,,L=max=115%(3)P,G,HH=PHGLPLGHL=848171113369311201015=010125=1125%HH=HGH=0101253112=0139GPa(4)CC=Dd(5)DSMA,mmdSMA,mmC=416,58,C=5WahlKK=4C-14C-4+01615C=45-145-4+016155=1131(5)H=HGHH=HGH=K8PHDGHd3(6)dd=8KPHCH=8113184817531140139109=610310-3md=615mmDD=Cd=5615=3215mm-=dnD2,SMAS,nn=dSD2=6.5103.14(0.015-0.0125)32.52=7184n=9217,GB/T2089-19946d=2mm,D=18mm,p=735MPa,2711N/mm,Fs=12813N,(7)320075M1,NmmRM,mmfL(fL=fL+011)M2,NmmM3,Nmm,L,,,,M2=0,M2=06(1),,1PN/MPaDN/mmMPakNkNN.mN.mkNN.m202501.9638.0842.86194.82200.5444220203001.9653.4461.47292.83293.3160300203501.9663.9875.35378.05405.5470400204001.9682.5598.58492.08546.4990550204501.96105.11126.02687.65749.2110750205001.96128.67155.58856.99960.3213210007,,1.M.:,2002.2.M.:,2002.3.M.:,2000.(:2007106106)(3)fsd=4174mm1=40mm,nn=1fsd=404174=814n=93,,,,SMA,,,,,S42F8-DN25SMA,,,,1,,,.SMAJ.,2001,29(9):37-39.2.M.:,1992.3M.:,1992.4,,,.SMAJ.(),2003,43(2):188-191.5.SMAM.:,1992.6,,.M.:,1997.7GB12232-1989,S.8GB12250-2005,S.9GB421614-1984,S.10GB2089-1994,S.(:2007106106)720075