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1、精选优质文档-倾情为你奉上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QbT=Tj-T0 Tj (介质工艺温度)T0（环境最低温度）根据DN、T、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。表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保温厚度温差T管道内径(mm/英寸)Pipeline internal diameterDN15254050801001502002503003504004505006001/211.523
2、4681012141618202410207.210.113.616.423.028.841.152.664.776.183.394.6105.9117.2139.73011.015.420.724.935.043.862.580.098.5115.8126.7143.9161.1178.3212.64014.920.827.933.747.359.284.5108.2133.2156.6171.3194.6217.9241.1287.420204.66.28.09.513.016.022.528.534.940.944.750.756.762.674.6307.09.412.214.519.
3、824.434.343.452.262.368.077.186.295.3113.4409.512.716.519.626.733.046.358.771.984.292.0104.3116.6128.9153.46014.719.625.530.241.250.971.490.5110.8129.9141.8160.8179.7198.7236.525204.15.36.98.110.913.418.623.528.733.536.541.446.251.160.7306.28.110.412.316.620.328.335.743.651.055.663.070.377.792.4408.
4、411.014.116.622.427.538.248.359.069.075.285.295.1105.1124.96012.917.021.825.634.542.459.074.590.9106.3115.9131.3146.7162.0192.68017.723.329.935.147.458.281.0102.3124.8146.0159.2180.3201.4222.4264.510022.830.138.645.461.275.2104.5132.0161.1188.5205.5232.8260.0287.2341.530203.74.86.17.19.511.615.920.0
5、24.428.531.031.539.243.251.3305.67.39.210.814.417.624.330.537.143.347.253.459.665.878.1407.69.812.514.619.523.832.841.350.258.663.872.280.688.9105.66011.715.119.222.530.036.650.663.677.490.498.4111.4124.3137.1162.98016.020.826.430.941.250.369.487.3106.3124.0135.1152.9170.6188.3223.610020.726.834.139
6、.853.265.089.7112.8137.2160.2174.5197.4220.3243.1288.712025.633.242.249.365.980.4111.0139.6169.9198.3216.1244.4272.8301.0357.514030.840.250.859.479.396.8133.5168.0204.4239.6259.9294.0328.1362.1430.116036.247.159.869.993.3113.9157.2197.7240.6280.8306.0346.1386.2426.3506.218042.054.569.280.9108.1131.9
7、182.0228.9278.6325.3354.2400.7447.1493.5586.240203.24.05.05.87.69.212.615.719.022.124.027.430.233.039.4304.86.17.78.911.614.119.123.928.933.636.641.345.950.660.0406.58.310.412.015.719.025.932.339.145.549.455.862.168.581.16010.112.816.018.524.329.339.949.860.370.176.286.095.8105.6125.18013.817.621.92
8、5.433.340.254.868.482.796.2104.6118.1131.5144.9171.710017.822.728.332.843.052.070.888.3106.8124.2135.1152.4169.8187.1221.712021.128.135.140.653.364.487.6109.3132.3153.9167.3188.8210.3231.7274.514026.533.842.248.864.177.4105.4131.5159.1185.1201.2227.1252.9278.7330.216031.239.849.757.475.491.1124.1154
9、.8187.3217.9236.9267.3297.7328.1388.718036.246.057.566.587.3105.5143.7179.3216.9252.2274.3309.5344.7379.9450.150202.83.64.45.06.57.810.513.115.718.219.822.324.727.232.2304.35.46.77.79.911.916.019.923.927.730.133.937.641.448.5405.97.39.110.413.416.121.726.932.337.540.745.850.956.066.2609.011.314.016.
10、020.724.833.441.449.957.862.770.678.586.3102.18012.415.519.122.028.534.145.956.868.479.386.196.9107.7118.5140.110016.020.124.728.436.744.059.273.488.3102.4111.1125.1139.1153.0180.912019.824.830.635.145.554.473.390.9109.4126.8137.6154.9172.2189.5224.014023.829.936.842.354.765.688.2109.3131.6152.5165.
11、5186.4207.2227.9269.416028.235.243.449.864.477.2103.9128.7154.9179.5194.9219.4243.9268.3317.218032.540.750.257.674.689.4102.3149.0179.4207.9225.6254.0282.4310.7367.280202.32.83.43.84.85.77.49.010.712.313.314.916.418.021.1303.54.35.25.87.38.611.313.716.318.720.222.625.027.432.1404.85.87.07.99.911.615.218.522.025.327.330.633.837.043.5607.49.010.812.115.317.923.52
