室内燃气管道水力计算表.docx

室内燃气管道水力计算表管段号额定流量同时工 作系数计算流量管段 长度管径(DN)局部阻 力系数12当量长 度计算 长度单位长 度压力 损失压力 损失管段终 端始端 标咼差附加 压头管段实际 压力损失管段局部阻力系数计算及其它 说明(m3/h)k(m3/h)L1 (m)d(mm)工Z(m)L2L△ P/L△ P△ H(m)△ H(Pa)1—21.641.001.641.75159.40.444.145.894.7027.68-1.2-5.5233.2090° 直角弯头Z =2X2.2=4.4 三通直流Z =1.0旋塞Z =41 -20.731.000.731.2156.20.281.742.942.005.88-1.2-5.5211.4090° 直角弯头Z =1X2.2=2.2 旋塞Z =42--32.371.002.370.55202.10.561.181.732.404.15004.1590° 直角弯头Z =1X2.1=2.13—42.371.002.370.7206.20.563.474.172.4010.010010.0190° 直角弯头Z =2X2.1=4.2 旋塞Z =24—52.371.002.372.9251.00.790.793.690.592.182.913.34-11.16三通直流Z =1.05—64.740.564.742.9251.00.770.773.670.742.722.913.34-10.62三通直流Z =1.06—77.110.447.112.9251.00.710.713.611.284.622.913.34-8.72三通直流Z =1.07—89.480.389.482.9251.00.690.693.592.007.182.913.34-6.16三通直流Z =1.08—911.850.3511.854.802510.00.676.711.52.4027.603.415.6411.9690° 直角弯头Z =4X2.0=8.0 旋塞Z =29--1011.850.3511.8515.44321.50.921.3816.820.599.92009.92分流三通Z =1.510--1123.700.2523.703.76321.50.961.447.21.259.00009.00分流三通Z =1.511--1235.550.2235.5515.44321.50.941.4116.852.0133.870033.87分流三通Z =1.512--1347.400.2147.403.00321.00.980.983.983.1212.420012.42直流三通Z =1.099.27管道 1-2-3-4-5-6-7-8-9-10-11-12-13 总压力降 AP=99.27 Pa。