換熱器強(qiáng)度校核浮頭式設(shè)備計算

殼計壓力管計壓力殼計溫度℃管計溫度℃筒體管板GB150.3-內(nèi)徑 板材 =2[]tPc=e=n-C1-C2=n=PT=1.25P[= [T0.90s=T=pT.(Die)=T2e[]t[Pw]=(Die)=t =etGB150.3-內(nèi)徑 板材 =2[]tPc=e=n-C1-C2=n=PT=1.25P[= [T0.90s=T=pT.(Die)=T2e[]t[Pw]=(Die)=t =etGB150.3-內(nèi)徑 PT1.25Pc[0.5000T0.90s=T=pT.(KDi0.5e)=TK=1 D2=2i6 2h i h=2[]t0.5Pc=eh=nh-C1-C2=min=nh=壓力計2[]t[Pw]=KDi0.5e=GB150.3-內(nèi)徑 板材 =2[]tPc=e=n-C1-C2=n=PT=1.25P[= [T0.90s=T=pT.(Die)=T2e[]t[Pw]=(Die)=t =etGB150.3-內(nèi)徑 PT1.25Pc[0.5000T0.90s=T=pT.(KDi0.5e)=TK=1 D2=2i6 2h i h=2[]t0.5Pc=eh=nh-C1-C2=min=nh=壓力計2[]t[Pw]=KDi0.5e= 結(jié)構(gòu)封頭法蘭fb數(shù)量Nm墊片b=DGb0>b0>DGl封頭壁計算AB 螺栓受計算Wa=3.14bDGyNWp=Fp+F=NAmAp和AaAm=Ab=nd2=B4 FD=0.785D2iNLD=0.5(Db-Di=MD=FD=FG=NLG=0.5(Db-DG=MG=FG=FT=F--NLT=0.5(LD+LG=MT=FT=-Fr=NL 2cos=Mr=Fr=M MDMGMT- =pF(LL)F(LD T 力矩FG==NLG=0.5(Db-DG=Ma=FG=計算結(jié)pD4RL8[](DDJMaDDia[]DDDf JMpDDip[]tDDDf Ja，L2p δfAYLG0.5[Db0.5(DeDfi)]MWLGK DfiY 2YM2CD[ -結(jié)構(gòu)封頭法蘭fb數(shù)量Nm墊片b=DGb0>b0>DGl封頭壁計算AB 螺栓受計算Wa=3.14bDGyNWp=Fp+F=NAmAp和AaAm=Ab=nd2=B4 FD=0.785D2i-NLD=0.5(Db-Di=MD=FD=-FG=-NLG=0.5(Db-DG=MG=FG=-FT=F-NLT=0.5(LD+LG=MT=FT=Fr=-NL 2cos=Mr=Fr=-M MGMT- pF(LL)F(LD T 力矩FG==NLG=0.5(Db-DG=Ma=FG=計算結(jié)pD4RL8[](DDJMaDDia[]DDDf JMpDDip[]tDDDf Ja，L2p δfAYLG0.5[Db0.5(DeDfi)]MWLGK DfiY 2YM2CD[ 殼管殼管管板[]r許用拉脫力殼結(jié)構(gòu)槽深管隔板槽深換換熱管外徑換熱管壁厚換熱管根數(shù)根換熱管中心距設(shè)計溫度下?lián)Q熱管材料屈服點(diǎn)s[t墊片接觸面寬度1a或A=0.866nS2tA=nS2tA=0.866nS2A 管A=nS2A 管板開孔后面積dA1Atn4一根換熱管管壁金屬橫截面積a(dtn)管板布管區(qū)當(dāng)量直徑DD 4At= L=Lt-2n-2l2=管束模數(shù)KKEtna= Lt管束無量綱剛度t~ = p只有殼計壓力Ps,管計壓力Pt只有管計壓力Pt,殼計壓力Ps殼計壓力Ps和管計壓力Pt同時作用a r系數(shù)Dt= G系數(shù)按~ P~1/2和1查圖得:C= 系數(shù)(按~ 1t只有管計壓力Pt,殼計壓力Ps系數(shù)na系數(shù)C2Et s換熱管回轉(zhuǎn)半徑i0.25d2(d2)2換熱管穩(wěn)定許用壓應(yīng)力[當(dāng)Cr iEt []cr2(l/i)2當(dāng)Cr i l/[]s[1 ] r([]]t時,取[]t PsPt異PdPsPtPsPt同Pd,)計算厚度 ~t設(shè)計厚度dmax(h1,Cs)max(h2,Ct)tM