设备筒体或管道绝热层、保护层、防腐蚀计算公式序号公称直径1DN152112.5400.104.45φ356*8356503.6250.00576.23φ168*5.516840.980.0022.68φ27*32716.840.001.86φ48*4482.590.000.46φ114*5114154.840.0059.44φ219*6.5219266.910.00190.51φ273*6.5273191.3250.00169.02φ89*5.58997.2750.0029.70φ219.1*5219660.0047.11φ114.3*41142040.0078.32φ325*7325174.260.00182.41φ325*6.5325104.10.00108.97φ60*3.560143.850.0030.82φ60*4.560178.40.0038.22φ168*5.516860.003.32φ168*5.516845.540.0025.21φ34*4.53418.190.002.415780601.8548.05外径mm数量m保温厚度mm保温体积m3保护层面积m2公式0.8563.321.61.40.455.5183.6164.127.245.473.1177.9106.327.133.63.224.01.914.3防腐面积m2伴热管道绝热直径计算公式序号1143.001082027.0015.002153.001082027.0015.003150.001082027.0015.00伴热管道综合直径D'mm主管道直径D1mm伴热管道直径D2mm伴热管大管直径D伴大mm主管道与伴热管道间隙（10～20mm）直径计算公式备注单管或双管伴热（直径相同，夹角小于90度）双管伴热（直径相同，夹角大于90度）双管伴热（直径不同，夹角小于90度）设备封头绝热层、保护层、防腐蚀计算公式序号封头个数11.26610020.465.133.783.2164021.0325.6624.370.6244010.020.590.46外径m保温厚度mm绝热层体积m3保护层面积m2防腐蚀面积m2阀门绝热层、保护层、防腐蚀计算公式序号阀门个数160010020.728.025.94直径mm保温厚度mm绝热层体积m3保护层面积m2防腐蚀面积m2法兰绝热层、保护层、防腐蚀计算公式序号法兰副数160010020.434.813.56直径mm保温厚度mm绝热层体积m3保护层面积m2防腐蚀面积m2拱顶罐封头绝热层、保护层、防腐蚀计算公式序号1100.51001.7838.01油罐拱顶球面半径m罐顶拱高m保温厚度mm绝热层体积m3保护层面积m2式31.42防腐蚀面积m2矩形通风管道绝热层、保护层、防腐蚀计算公式序号121.510100.0015.5061.10风管长边尺寸Am风管长边尺寸Bm风管长度m保温厚度mm绝热层体积m3保护层面积m2
