加热盘管计算

07041405080911121315总计低压锅炉间高压锅炉间水罐阀组间局部排放油泵房卸油池油罐油罐加热器油罐联合平台平面管网22*2.5室内保温2011.41041.40不保温1010.00特防55.0028*2.5不保温154.7615.1234.8834*3不保温10.2731.251815.374.82室内保温6.82186.642.40室外保温21.2142145.20特防44.0042*3不保温8.98.90室内保温11.53.314.80室外保温5252.00特防0.00黄夹克1010.0048*3不保温43.48128.972.30室内保温5.24214.7263.90室外保温76.776.70特防538.00黄夹克88.0060*3.5不保温2389.6938.9142.50室内保温20.421.67.349.30室外保温7676.00特防11.2713.8732.07弯头102113935.0076*3.5不保温9.411.441434.84室内保温3.627.330.90特防15.315.30弯头139417.0089*4特防17.817.80不保温1010.00室内保温1919.00室外保温1212.00弯头6410.00114*4不保温520.51.627.10室内保温6.96.90室外保温1.21.20特防125.761.879.50弯头91043430.00黄夹克99.00159*4.5不保温13.313.30特防2525.00弯头336.0089*9室外保温4646.00弯头1313.0014*4室外保温0.70.70钢板2mm30.530.50钢板6mm15.219.2834.48钢板3mm35.5435.54花纹钢板4mm96.2100.2196.40角钢50*517.9821.239.18角钢80*8112.04112.04槽钢10#67.2770.3137.57圆钢8mm1.221.22圆钢10mm2.9742.97油罐加热器计算(原油保温)名称符号单位数值附注油品温度tyC60周围介质温度twC-9罐底直径Dm5.164罐壁高Hm5.6罐顶直径Rnm5.14罐顶高hrm0.491罐底面积F1m20.9441311罐壁面积F2m90.849833灌顶面积F3m7.92856304罐顶散热系数k12罐壁散热系数k22罐底散热系数k30.3罐顶散热Q1kcal/h1094.1417罐壁散热Q2kcal/h12537.277罐底散热Q3kcal/h433.543515热负荷Qkcal/h14064.9622蒸汽饱和温度tzC158.080.6MPa加热器管外径dm0.06算术平均温度tpjC109.04运动粘度0.1系数A0.2118528放热系数akcal/m.h.C141.085321传热系数Kkcal/m.h.C110.036306加热面积Fm1.84081679加热器管长Lm9.77078974蒸汽焓i1kcal/hg658.3凝结水焓i2kcal/hg159.3蒸汽耗量Gkg28.1862969名称符号单位数值附注容积流量Vm2.76923077被加热初温ty1C60被加热终温ty2C90重油密度m/h0.91平均温度tyC75平均比热cpkcal/kg.C0.55加热器热负荷Qkcal41580蒸汽入口温度tz1C158.080.6MPa凝结水温度tz2C158.08平均温差tC82.1692714传热系数Kkcal/m.h.C170加热器换热面积Fm2.97663873蒸汽焓i1kcal/kg658.3凝结水焓i2kcal/kg159.3蒸汽耗量Gkg85.9037663