序号名称规格型号、形式流量(L/S)管径(mm)1管镀锌钢管5.161002弯头5.161003闸阀5.161004三通10.321005管镀锌钢管10.321006三通40.001507管镀锌钢管40.001508弯头40.001509管镀锌钢管40.0015010闸阀40.0015011减压阀40.00150弯头40.0015012管镀锌钢管40.0015014其他附件40.0015015闸阀40.0015016止回阀40.00150三通40.0015015管镀锌钢管40.0015016弯头40.0015017止回阀40.0015019闸阀40.0015020Y型过滤器40.0015021可曲挠柔性软接40.0015023管道阻力合计(H/m)24层高阻力(H/m)25最不利喷口压力(H/m26合计(H/m)局部水头损失用当量长度法计算。水泵计算书消火栓给水泵XH-H-1,2总压降177.07m栓头损失:2m水带直径65mm,阻力系数Az=0.00172,水带长度Ld=25m。水带水头损失hd=0.00172*25*5.16²=1.15m最不利消火栓栓口压力Hxh=16.9+2.87+2=21.77m。本建筑为民用建筑,建筑高度>100m,按规范充实水柱长度Hm≮13m,选Hm=14m。实验系数af=1.19+80*(0.01*14)4=1.22。水枪喷口直径选用19mm,阻力系数ψ=0.0097。水枪水流特性系数B=1.577。查表,水枪喷口直径19mm,Hm=14m时,水枪喷嘴处压力Hq=16.9m,水枪射流量qxh=5.16L/S。水带水头损失hd=0.00172*25*5.7²=1.4m最不利消火栓栓口压力Hxh=20.5+1.4+2=23.9m。局部水头损失用当量长度法计算。本建筑为民用建筑,建筑高度>100m,按规范充实水柱长度Hm≮13m,选Hm=13m。水枪喷口直径选用19mm,水枪水流特性系数B=1.577。查表,水枪喷口直径19mm,Hm=13m时,水枪喷嘴处压力Hq=20.5m,水枪射流量qxh=5.7L/S。水带直径65mm,阻力系数Az=0.00172,水带长度Ld=25m。数量(m)流速(m/s)iH(m)13.50.660.0090.12623.10.660.0090.02900.60.660.0090.00566.11.310.0370.228049.41.310.0371.84679.22.260.0650.599912.52.260.0650.81504.32.260.0650.280410.52.260.0650.68460.92.260.0650.0587202.260.0651.30404.32.260.0650.280454.42.260.0653.5470502.260.0653.26010.82.260.0650.05229.82.260.0650.63909.22.260.0650.599912.52.260.0650.81504.32.260.0650.28049.82.260.0650.63901.82.260.0650.117446.22.260.0653.0123102.260.0650.652019.8725132.200025.0000177.0725局部水头损失用当量长度法计算。水泵计算书消火栓给水泵XH-H-1,2总压降177.07m水带直径65mm,阻力系数Az=0.00172,水带长度Ld=25m。水带水头损失hd=0.00172*25*5.16²=1.15m最不利消火栓栓口压力Hxh=16.9+2.87+2=21.77m。本建筑为民用建筑,建筑高度>100m,按规范充实水柱长度Hm≮13m,选Hm=14m。实验系数af=1.19+80*(0.01*14)4=1.22。水枪喷口直径选用19mm,阻力系数ψ=0.0097。水枪水流特性系数B=1.577。查表,水枪喷口直径19mm,Hm=14m时,水枪喷嘴处压力Hq=16.9m,水枪射流量qxh=5.16L/S。水带水头损失hd=0.00172*25*5.7²=1.4m最不利消火栓栓口压力Hxh=20.5+1.4+2=23.9m。局部水头损失用当量长度法计算。本建筑为民用建筑,建筑高度>100m,按规范充实水柱长度Hm≮13m,选Hm=13m。水枪喷口直径选用19mm,水枪水流特性系数B=1.577。查表,水枪喷口直径19mm,Hm=13m时,水枪喷嘴处压力Hq=20.5m,水枪射流量qxh=5.7L/S。水带直径65mm,阻力系数Az=0.00172,水带长度Ld=25m。