换热器设计与校核源文件e 0101

壳程设计压力管程设计压力壳程设计温度℃管程设计温度℃壳程试验压力管程试验压力筒体管板GB/T150.3- = =n=pT1.25p[]= T0.90ReL=T=pT.(Die)=T[pw]=(Die)=t =eGB/T150.3- = =n=pT1.25p[]= T0.90ReL=T=pT.(Die)=T[pw]=(Die)=t =eGB/T150.3- T0.90ReL=T=pT.(KDi0.5eh)=T1 D2K 2 i=6 2h ih=2[]t0.5 =min=nh=压力计[pw]=KD = GB/T150.3- = =n=pT1.25p[]= T0.90ReL=T=pT.(Die)=T[pw]=(Die)=t =eGB/T150.3- T0.90ReL=T=pT.(KDi0.5eh)=T1 D2K 2 i=6 2h ih=2[]t0.5 =min=nh=压力计[pw]=KD = 封头法兰[[f螺栓[]bNmb=b0l封头壁计算AB 螺栓受计算NWp=Fp+F=N=Ab=nd2=B4 i=N===N===N===NL 2cos=-=-Mp MDMGMT-Mr(p= =N==计算结pDi4R2DL i 8[]t(DD JM DDi a[]D D JMpDDi p[]tDDD Ja，LLJLG0.5[Db0.5(DeDfi)]MWLG 2YM2CD N许用值N封头法兰[[f螺栓[]bNmb=b0l封头壁计算AB 螺栓受计算NWp=Fp+F=N=Ab=nd2=B4 i=-N==-=-N==-=-N==-=-NL 2cos=-=Mp MDMGMT-Mr(p= =N==计算结pDi4R2DL i 8[]t(DD JM DDi a[]D D JMpDDi p[]tDDD Ja，LLJLG0.5[Db0.5(DeDfi)]MWLG 2YM2CD N许用值NN壳体[]法兰f螺栓b个垫片hmb 螺栓受力计NWp=Fp+F=NA 2= n4力矩计操F=0.785D2 i=N==作=N===N==Mp= W=NLG= M= 螺栓间距校 = Lmin Lmax形状常数确h0Di010ZYeFIh0eFLh0f=d1U =d1U =f3=4fe13=计算许用结论W iWp i 输入法兰厚度δf50.0mm计算许用结论HfMo 1.5[]t=250.5fn nR(1.33fe1)M0f[]t=fM0YZ- 2 f[]t=f=[]t=fJ52.14VIMoo1N壳体[]法兰f螺栓b个垫片hmb 螺栓受力计NWp=Fp+F=NA 2= n4力矩计操F=0.785D2 i=N==作=N===N==Mp= W=NLG= M= 螺栓间距校 = Lmin Lmax形状常数确h0Di010ZYeFIh0eFLh0f=d1U =d1U =f3=4fe13=计算许用结论W iWp i 输入法兰厚度δf50.0mm计算许用结论HfMo 1.5[]t=210.0fn nR(1.33fe1)M0f[]t=fM0YZ- 2 f[]t=f=[]t=fJ52.14VIMoo1N壳体[]法兰f螺栓b个垫片hmb 螺栓受力计NWp=Fp+F=NA 2= n4力矩计操F=0.785D2 i=N==作=N===N==Mp= W=NLG= M= 螺栓间距校 = Lmin Lmax形状常数确h0Di010ZYeFIh0eFLh0f=d1U =d1U =f3=4fe13=计算许用结论W iWp i 输入法兰厚度δf50.0mm计算许用结论HfMo 1.5[]t=225.0fn nR(1.33fe1)M0f[]t=fM0YZ- 2 f[]t=f=[]t=fJ52.14VIMoo1N壳体[]法兰f螺栓b个垫片hmb 螺栓受力计NWp=Fp+F=NA 2= n4力矩计操F=0.785D2 i=N==作=N===N==Mp= W=NLG= M= 螺栓间距校 = Lmin Lmax形状常数确h0Di010ZYeFIh0eFLh0f=d1U =d1U =f3=4fe13=计算许用结论W iWp i 输入法兰厚度δf50.0mm计算许用结论HfMo 1.5[]t=210.0fn nR(1.33fe1)M0f[]t=fM0YZ- 2 f[]t=f=[]t=fJ52.14VIMoo1管板设计温度下管板材料许用应力r许用拉脱力管换热管外径换热管壁厚换热管根数根换热管中心距t垫片接触面宽度A=0.866nS2tA=nS2At d管 nS dA1Atn4管板布管区当量直径D 4At= KEtna= Lt~~ = pa Pa15[]tr系数Dt= G按K P1/2和1查图得:C= 系数(按~ ~1/2 1t系数naC2Et 换热管回转半径i0.25d2(d2)2]] 当Cr i []crt 21.5(l/当Cr i[]Rt[1l/i] rPdPsPtPd,)计算厚度 ~P 设计厚度dmax(h1,Cs)max(h2,Ct)tMPa Pc1[P(PP)At c tA t0]t 计压力Ps=0:PcPt(1力Pt同时作用:PcPsPt(1qqta = =n= =t =e =n=AA=B当D/20时，[p] DoDo/e20[p]min{(2.25