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1、罐体及管道热损失及保温、加热计算篇（电伴热计算公式及参数表查询）电伴热计算公式及参数表查询管线散热量计算1、查表计算法（1）求单位长度管道标准散热量QbAT=Tj-T0 Tj （介质工艺温度）T0 （环境最低温度）3-1：管道散热量（Qb）条件：碳钢管道、玻璃纤维保温、室外、风速9m/s。单位：w/m保温管道内径（mm/英寸）Pipeline internal diameterDN温厚度差at12458112233445550000050005000500050000011123468111112/2.502468042711122456789110.20.13.66.43.08.81.12.
2、64.76.13.34.605.917.239.71311223468911111001.05.40.74.95.03.82.50.08.515.826.743.961.178.312.641223458111112204.90.87.93.77.39.24.508.233.256.671.394.617.941.187.42468911223445560.6.2.0.53.06.02.58.54.90.94.70.76.72.64.63791112345667892 0.0.42.24.59.84.44.33.42.22.38.07.16.25.313.404911123457891110.
3、52.76.59.66.73.06.38.71.94.22.004.316.628.953.461123457911111104.79.65.50.21.20.91.40.510.829.941.860.879.798.736.52456811122334450.1.3.9.10.93.48.63.58.73.56.51.46.21.10.7681112234556770.2.10.42.36.60.38.35.73.61.05.63.00.37.72.44811122345678912 0.41.04.16.62.47.58.28.39.09.05.25.25.105.124.9561122
4、345791111102.97.01.85.64.52.49.04.50.906.315.931.346.762.092.681223458111112207.73.39.95.17.48.21.002.324.846.059.280.301.422.464.5123346711112222002.80.18.65.41.25.204.532.061.188.505.532.860.087.241.5根据DN、AT、三个参数查“表3-1”，可得室外单位长度金属管道的标准热散失量Qb。621227112691123532346791122233340.7.8.1.1.51.65.90.04.48
5、.51.01.59.23.21.33579111233445560.6.3.20.84.47.64.30.57.13.37.23.49.65.88.14791112345567880.6.82.54.69.53.82.81.30.28.63.82.20.68.905.661112335679911101.75.19.22.50.06.60.63.67.40.48.411.424.337.162.981223456811111106.00.86.40.91.20.39.47.306.324.035.152.970.688.323.6122335681111122000.76.84.19.83.2
6、5.09.712.837.260.274.597.420.343.188.7123446811112223205.63.22.29.35.90.411.039.669.998.316.144.472.801.057.5134557911222233400.80.20.89.49.36.833.568.004.439.659.994.028.162.130.1134569111223334606.27.19.89.93.313.957.297.740.680.806.046.186.226.306.2145681112233444802.04.59.20.908.131.982.028.978.
7、625.354.200.747.193.586.22345579111222330.2.0.0.8.6.22.65.79.02.14.07.40.23.09.4467811122334450.8.1.7.91.64.19.13.98.93.66.61.35.90.60.0681111233445660.5.30.42.05.79.05.92.39.15.59.45.82.18.51.161111223467789100.12.86.08.54.39.39.99.80.30.16.26.05.805.625.18112234568911114 03.87.61.95.43.30.24.88.42
8、.76.204.618.131.544.971.7112234578111111007.82.78.32.83.02.00.88.306.824.235.152.469.887.121.7122345681111122201.18.15.10.63.34.47.609.332.353.967.388.810.331.774.5123446711112222406.53.82.28.84.17.405.431.559.185.101.227.152.978.730.2133457911122223601.29.89.77.45.41.124.154.887.317.936.967.397.728.188.7134568111222333806.26.07.56.57.305.543.779.316.952.274.309.544.779.950.11122345536811223342234567111112225
