管道变形和补偿

管子直径（mm）许用外载综合应力[σw]（Mpa）管子断面抗弯矩W（cm3）焊缝系数ψ管子重量q(N/m)水平直管最大跨距l(强度)管子刚度E*J（107N*cm2）管子坡度iDN321142.320.7706.308.2690.002DN321142.320.71005.278.2690.002DN100112.8632.80.724512.60331.880.002DN100112.8632.80.732011.02331.880.002DN100112.8632.80.73959.92331.880.0021.活动支架的跨距计算2.固定支架的跨距计算支座到最大挠曲面的距离xl1l2水平直管最大跨距l(刚度)水平直管最大跨距L尽端直管最大跨距L水平弯管最大跨距L1.7363.473.533.473.472.782.261.593.173.313.173.172.542.064.258.498.758.498.496.795.5247.898.677.897.896.315.136.257.0818.327.087.085.664.601.活动支架的跨距计算2.固定支架的跨距计算编号管道形式管道长度L（m）线膨胀系数a(m/m℃)管道安装时温度t1(℃)管道内最高/低温度t2(℃)计算温差△t(℃)伸缩量△L(mm)1直管段301.20E-05-69510136.362直管段301.20E-05-6556121.963直管段221.20E-05-69510126.6644直管段271.20E-05-6556119.764编号管道长度L（m）线膨胀系数a(mm/m℃)管道安装时温度t1(℃)管道内最高/低温度t2(℃)计算温差△t(℃)伸缩量△L(mm)材料系数k150.03207-13-1.9520编号伸缩量△L(mm)补偿器形式尺寸a×b弹性力Px（N）1-0.78方形780*520330编号长臂伸缩量△L(mm)补偿器形式短臂长度L1(m)系数A系数B系数A`系数B`1-0.78L形11111编号总伸缩量△L(cm)补偿器形式伸出长度L3(m)系数A系数B系数a*E*J*△t/107短臂弹性力Px（N）1-0.78Z形11177编号总伸缩量△L(cm)补偿器形式公称直径DN（mm）工作压力p（Mpa）0.1MPa时的内压摩擦力（kN）拉紧螺栓产生的摩擦力（kN）内压产生的摩擦力（kN）1-0.78套筒式1001.60.599.859.445.补偿器选型4.空调PP-R塑铝稳态管补偿计算1.管道热伸长及其补偿编号总伸缩量△L(cm)补偿器形式类型导向支架最大导向间距Lmax（m）弹性模量E(MPa)惯性矩J(cm4)工作压力p（Mpa）1-0.78波纹管轴向型17.12.0E+052.541.6编号总伸缩量△L(cm)补偿器形式公称直径DN（mm）补偿量△(mm)1-0.78球形100编号管道形式1L形管管道公称直径dn(mm)自由臂最小长度Lz(mm)32157.9873系数a*E*J*△t/107短臂弹性力Px（N）短臂弹性力Py（N）长臂弹性力Px`（N）长臂弹性力Py`（N）77777短臂弹性力Py（N）7设计摩擦力（kN）9.852.管道热伸长及其补偿5.补偿器选型4.空调PP-R塑铝稳态管补偿计算1.管道热伸长及其补偿补偿器刚度A（N/mm）最大补偿量（mm）226管道长度L1（m）管道长度L2（m）线膨胀系数a(m/m℃)管道安装时温度t1(℃)管道内最高/低温度t2(℃)计算温差△t(℃)伸缩量△L1(mm)伸缩量△L2(mm)自然补偿的管径DN541.20E-05207-13-0.78-0.624DN252.管道热伸长及其补偿管外径do（mm）自然补偿短臂长度L2`（m）自然补偿是否满足要求编号管道形式管道长度L1（m）管道长度L2（m）高度h（m）33.50.32464满足1Z形管322913.管道热伸长及其补偿2.管道热伸长及其补偿线膨胀系数a(m/m℃)管道安装时温度t1(℃)管道内最高/低温度t2(℃)计算温差△t(℃)伸缩量△L1(mm)伸缩量△L2(mm)伸缩量△h(mm)自然补偿的管径DN1.20E-05207-13-4.992-4.524-0.156DN253.管道热伸长及其补偿管外径do（mm）弹性模量E(MPa)弯曲许用应力[σ](MPa)自然补偿短臂长度h`（m）短臂长度h是否满足要求管道总长度L(m)管道总伸长向量和△L(mm)33.52.0E+0580176.8994不满足629.523.管道热伸长及其补偿空间自然补偿是否满足要求管道两端安定点的直线距离满足否61.01不满足管段号管道内冷热媒温度t（℃）管道周围空气温度to（℃）管道长度L（m）管道附件阀门等的附加系数β自然补偿的管径DN管外径dw（mm）保温材料保温材料的导热系数λ(w/m℃)180510.25DN2533.5玻璃棉0.038225管段号公称管径DN管外径dw（mm）保温层厚度h（mm）保温层外表面直径dz（mm）管道长度L（mm）单位管长的保温体积L（m3/m）保温材料总体积V（m3）1DN2533.51053.51000.0013670.1366591.架空管道热损失计算2.空调水管、冷凝水管、风管、采暖水管的保温／冷厚度3.保温层体积估算表保温层厚度h（mm）保温层外表面直径dz（mm）外表面附近的空气流速v(m/s)外表面空气放热系数aw(m/s)保温材料热阻Rb(m*℃/w)外表面到空气的热阻Rw(m*℃/w)热损失(W)2583.5221.53.802650.17731123.5551.架空管道热损失计算2.空调水管、冷凝水管、风管、采暖水管的保温／冷厚度3.保温层体积估算表管径DN(mm)管重(N/m)支架间距(m)固定支架最大间距(m)波纹管有效面积cm2补偿量mm轴向刚度N/mm管内径mm工作压力MPa1003285601451502101061.61255396602041502401311.61507266602751502801501.620013038805512003462071.625014538807982003802591.630017401010011092002983111.635022291010014372003203631.640030641310017932204184101.645036681310022052204464621.650044081310026492204885131.6公称直径外径壁厚内径mmmmmmm10172.250.01251521.32.750.01582026.82.750.02132533.53.250.0273242.33.250.035840483.50.04150603.50.0537075.53.750.0688088.540.080510011440.1061251404.50.1311501594.50.1520021960.20725027370.25930032570.31135037770.36340042680.4145047880.46250052980.51360063090.61270072090.70280082090.802900920100.910001020120.996支架间距管道支架推力计算波纹管外圆内径mm弹性力N内压推力N端推力kN中间推力kN管道数量端推力(kN)中间推力kN13431500.023200.054.711.22*DN100109.422.415036000.032640.068.613.72*DN125137.327.418042000.044000.086.016.52*DN150172.033.026069200.088160.0157.430.12*DN200314.760.331476000.0127680.0203.733.32*DN250407.466.537159600.0177440.0237.033.52*DN300474.167.142364000.0229920.0293.939.32*DN350587.878.547391960.0286880.0378.855.22*DN400757.7110.352598120.0352800.0450.962.42*DN450+1*DN300+1*DN2501342.6191.7576107360.0423840.0531.271.92*DN500+1*DN2501266.1177.0管道支架推力计算断面号