矩形容器设计计算

1、类型说明：2、设计条件：参数单位数值单位数值设备位号mm4000设计压力MPa常压mm3000设计温度℃50mm2500介质名称器壁材料S30408介质密度ρkg/mm30.0000013加固件材料Q235B钢板厚度负偏差C1mm0.5MPa137腐蚀裕量C2mm0MPa204000加固柱间距Lpmm10002.04加固圈数量n2H1H2H3H4H521125750625--按标准计算值1100800600实际布置情况3、顶边加固件设计：参数数值单位参数数值单位Lc=Lp=1000mmρ=0.0000013kg/mm31.3Hc=h1=H1=1100mmg=9.81m/s2Et191000MPa1.911.7531703cm4L70x70x848.17cm4合格4、分段对加固件及壁板作强度、刚度分析：参数数值单位参数数值单位A=Lp=1000mmρ=0.0000013kg/mm31.3h1=H1=1100mmg=9.81m/s2Et=191000MPa1.91项目第一段第二段第三段第四段第五段B=Hi=110080060000hi=Σhi11001900250000B/A1.10.80.600αi0.0267270.0204660.015509βi0.0265450.0134590.006125如令h0=0,当i=1时，k=3；i≥2时，k=6，则各段的Fi,Ii,δi,fi,max分别为：n项目第一段第二段第三段第四段第五段Fi,kN7.0141516.36635-17.769180-Ii,cm44.469801510.429537-11.32350-δi,mm2.86535195.85596726.173618100参数顶边加固件所需的惯性矩Ic,T设计选用的包边角钢规格设计选用的包边角钢惯性矩是否合格？容器尺寸nH,mm设计温度下器壁材料许用应力[σ]设计温度下器壁材料弹性模量Et长L宽W高HE型（垂直横向联合加固型）矩形容器E型矩形容器为四边简支，有顶边和垂直、横向加固件，设计压力为常压，仅承受液体静压的矩形容器。本计算对壁板，顶板（可选）和底板作强度、刚度分析，对加固件作刚度分析。δi+C,mm3.36535196.35596726.67361810.50.5δi,n,mm81010δi,e,mm7.59.59.5-0.5-0.5fi,max,mm2.16343481.47202580.982517200[f],mm29.23808832.69427231.495967-1.25-1.25刚度结论合格合格合格不合格不合格5、加固柱设计参数数值单位参数数值单位A=Lp=1000mmρ=0.0000013kg/mm31.3B=H=2500mmg=9.81m/s2δi,n，min=8mm[σ]t=135MPaC=2mm查表8-7得α=0.055121加固柱的最大间距Lp,max=1022.8624满足要求6、顶边加固件设计参数数值单位参数数值单位L=4000mmρ=0.0000013kg/mm31.3Lp=1000mmg=9.81m/s2H=8000mmEt=191000MPa1.91604.964188cm49.45256545cm448.17cm4结论：不合格合格7、圆钢拉杆必须计算拉杆直径d：16mm非柔性拉杆拉杆长度LR：3000mm参数数值单位参数数值单位H1=1100mmρ=0.0000013kg/mm31.3Lp=1000mmg=9.81m/s2C2=2mm[σ]bt=55.6MPa111.212693mm结论：选用合格8、顶板强度计算（如不作顶板设计，此可忽略）根据设计条件计算顶板厚度的各参数分别为：参数数值单位参数数值单位A=LT=1000mmρM=7.85E-06kg/mm37.85B=ωt=1000mmg=9.81m/s2pa=0.0012MPa[σ]t=135MPa查图8-15得α=0.0482341.6885607mmδ=δt+C1+C2=2.1885607mm顶板的名义厚度δtn取为：6mm当无拉杆时选用当有拉杆时选用拉杆材质是否是普通碳钢：（碳钢填1，其他填0）结论：加固柱间距是否满足要求？当无拉杆时，Hc=H，Lc=L，顶边加固件所需的惯性矩IcT为：当有拉杆时，Hc=H，Lc=Lp，顶边加固件所需的惯性矩IcT为：拉杆的最小直径dmin为：顶板承受自重所需的计算厚度δt：选用的顶边加固件惯性矩为：9、顶板刚度校核（如不作顶板设计，此可忽略）根据设计条件计算顶板最大挠度的各参数分别为：参数数值单位参数数值单位A=LT=1000mmρM=7.85E-06kg/mm37.85B=ωt=1000mmg=9.81m/s2pa=0.0012MPaEt=191000MPa1.91查图8-15得β=0.044374顶板有效厚度δte：5.5mm2.2671066mm23.75结论：选用合格10、顶板加强筋参数数值单位参数数值单位LT=3000mmρM=7.85E-06kg/mm37.85Wt=1000mmg=9.81m/s2pa=0.0012MPa[σ]b=135MPaδte=5.5mm-11286.83mm36472.8493mm3=6.472849cm3顶板加强筋选用：20.47cm3结论：11、底板设计1)、型钢支撑的底板参数数值单位参数数值单位H=2500mm型钢跨距Lb=500mmρ=0.0000013kg/mm3g=9.81m/s2[σ]t=137MPa底板计算厚度δb：6.1020518mmδ=6.6020518mm8mm型钢跨度计算：参数数值单位参数数值单位H=2500mm底板名义厚度8mmρ=0.0000013kg/mm3g=9.81m/s2[σ]t=135MPa610.04515mm结论：合格2）、在平基础上全平面支撑的底板最终取底板厚度：8mm最终取底板名义厚度为型钢的最大跨距Lb,max为：当底板整个表面被支撑时，底板最小厚度常用4mm～6mm，（或与壁板等厚），并考虑腐蚀裕度。顶板上加强筋L方向截面系数ZT,L为：顶板上加强筋W方向截面系数ZT,W为：顶板加强筋截面系数：L100X100X8合格顶板最大挠度fT,max:顶板的许用挠度[f]:-2020100150200250300碳素钢（C≤0.30%）194192191189186183179碳素钢（C0.30%）208206203200196190186奥氏体钢199195191187184181177高铬钢（Cr13～Cr17）203201198195191187181-50050100150200250碳素钢、碳锰刚10.3910.7611.1211.5311.8812.2512.56奥氏体钢15.9716.2816.5416.8417.0617.2517.42高铬钢（Cr13～Cr17）8.959.299.599.9410.210.4510.671.41.51.61.71.81.922.12.22.32.42.52.62.72.82.933.13.23.33.43.53.63.73.83.944.14.24.34.44.54.64.74.84.95表A.5钢材弹性模量材料在下列温度（℃）下的弹性模量，103MPa表A.6钢材平均线膨胀系数材料在下列温度（℃）与20℃之间的平均线膨胀系数，10-6mm/（mm·℃）35017317917317530035012.913.2417.6117.7910.9611.191.41.51.61.71.81.922.12.22.32.42.52.62.72.82.933.13.23.33.43.53.63.73.83.944.14.24.34.44.54.64.74.84.95表A.5钢材弹性模量在下列温度（℃）下的弹性模量，103MPa表A.6钢材平均线膨胀系数在下列温度（℃）与20℃之间的平均线膨胀系数，10-6mm/（mm·℃）1.41.51.61.71.81.922.12.22.32.42.52.62.72.82.933.13.23.33.43.53.63.73.83.944.14.24.34.44.54.64.74.84.95b/aαβ0.10.0009720.0015860.20.0040860.0059710.30.0089040.0121190.40.0143660.0187970.50.019570.0250420.60.0239960.0303040.70.0274460.0343780.80.0299260.0372860.90.0315430.0391610.0332370.0401731.10.0356090.0405041.20.038270.0411031.30.0407030.0434711.40.0429230.0461351.50.0449460.0485981.60.0467840.0508671.70.0484490.0529481.80.0499550.0548511.90.0513130.05658420.0525340.0581572.10.053630.059582.20.054610.0608632.30.0554860.0620172.40.0562670.0630532.50.0569620.063982.60.0575790.0648072.70.0581260.0655452.80.058610.0662012.90.0590380.06678330.0594160.06733.10.059750.0677573.20.0600430.0681623.30.0603020.0685193.40.0605290.0688343.50.0607280.0691113.60.0609040.0693563.70.0610570.069573.80.0611920.0697593.90.0613090.06992540.0614120.070074.10.0615030.0701984.20.0615810.0703094.30.061650.0704074.40.061710.0704924.50.0617630.0705674.60.0618080.0706324.70.0618480.070694.80.0618830.0707394.90.0619130.07078350.061940.070821表9顶边自由，三边简支承受三角形液体静压之矩形板的α,β值（NB/T47003.1-2009中图8-5数据）b/aαβb/a0.10.0006350.000007480.10.20.0024420.0001150.20.30.0052760.0005550.30.40.0087170.0016070.40.50.0122540.0034530.50.60.0155090.0061250.60.70.0182710.0095210.70.80.0204660.0134590.80.90.022110.0177320.910.023270.02214711.10.0267270.0265451.11.20.03020.0308081.21.30.0334450.0348541.31.40.0364390.0386341.41.50.0391760.0421231.51.60.041660.0453141.61.70.0439020.048211.71.80.0459180.0508241.81.90.0477240.0531741.920.0493380.05527722.10.0507790.0571562.12.20.0520620.0588292.22.30.0532040.0603172.32.40.0542190.0616392.42.50.0551210.0628122.52.60.0559210.0638512.62.70.0566310.0647722.72.80.0572610.0655872.