架空蒸汽管道保温计算一、保温计算：硅酸铝对蒸汽：150200250300350400450500600700外径mm159219273325377426478529630720壁厚mm4.5668888889kcal/m.h.K0.450.530.620.670.750.820.860.931.021.13W/m167.47197.24230.7249.35279.12305.17320.06346.109379.603420.5408导热系数W/m.K0.06560.06560.0660.06560.06560.06560.06560.06560.06560.0656蒸汽介质温度300300300300300300300300300300管道外表面热阻m.K/W0.0260.0260.0170.0170.0170.0170.0170.0170.0130.011周围空气温度-20-20-20-20-20-20-20-20-20-20mm345.63422.72480547.59600.37651.59716.59768.835886.825980.6311保温壳厚度mm93.3101.9###111.3111.7112.8119.3119.9128.4130.3设计保温层厚度mm111122124133134135143143154156容重：380kg/m3蒸汽介质温度：按3000C导热系数=0.047+0.00012tpjtpj：管道内热介质和周围空气温度的平均值，周围空气温度取大值，10导热系数=0.047+0.00012*(300+10)/2=0.0656W/m.K对蒸汽管道(架空）允许每米热损失q允许每米热损失qoCoC保温壳外径计算Dw一、保温计算：硅酸铝对蒸汽：150200250300350400450500600700外径mm159219273325377426478529630720壁厚mm4.5668888889kcal/m.h.K0.450.530.620.670.750.830.860.931.071.13W/m167.47197.24230.7249.35279.12308.89320.06346.109398.211420.5408导热系数W/m.K0.06560.06560.0660.06560.06560.06560.06560.06560.06560.0656蒸汽介质温度300300300300300300300300300300管道外表面热阻m.K/W0.0770.0690.060.0520.0430.0430.0430.0430.0320.029周围空气温度10101010101010101010mm314.37390.08447513.65568.25616.15682.1733.961839.289945.1961保温壳厚度mm77.785.587.094.395.695.1102.0102.5104.6112.6设计保温层厚度mm93102104113114114122122125135地沟敷设蒸汽管道保温计算容重：380kg/m3蒸汽介质温度：按3000C导热系数=0.047+0.00012tpjtpj：管道内热介质和周围空气温度的平均值，周围空气温度取大值，10导热系数=0.047+0.00012*(300+10)/2=0.0656W/m.K对蒸汽管道(地沟,周围空气温度10度）允许每米热损失q允许每米热损失qoCoC保温壳外径计算Dw架空热水管道保温计算一、保温计算：硅酸铝对热水：150200250300350400450500600700外径mm159219273325377426478529630720壁厚mm4.5668888889kcal/m.h.K0.710.931.241.091.241.381.531.681.982.24W/m############216.32######293.08######导热系数W/m.K0.0554...
