节水灌溉 PVC管道 水损、水量计算表

项s(单孔间距m)qd单孔流量(L/h)d(管径mm)多孔管(毛管)23015.6多孔管(辅管)0.9517.5106多孔管(62薄壁管)0.83451061015000190Q(管流量L/h)D(内径mm)L(管长m)54600147.6332130000190.829670015.6603000081.4908000015315711810005005500300071.6243500086138230000236.4740200000236.41514120000152.6520120000190.8689100001152.617875000152.6178100000152.622650000103.68540000103.649030000105.66440000103.622450000103.618675000117.850032000103.690025000103.61141500071.6100500049100PE管0水损计算表PVC管（0.6MPa）PVC管（0.4MPa）过滤器水损(m)动水位(m)毛管工作压力(m)水泵扬程(m)管外径(mm)壁厚(mm)内径(mm)管外径(mm)2506.8236.42502004.6190.82001603.7152.61601252.9119.21251102.51051109028690751.771.675631.460.26363016.7596.6参数序号IaCQ（m3/h)14231002622100水源水量(m³/h)滴管带平均流量(L/s)滴头间距(m)滴管带间距(m)16020.41.5201.380.31.133.413.333333330.31.14013.333333330.31.1项目s(单孔间距m)qd单孔流量(L/h)d(管径mm)0.4MPa0.6MPa水量计算灌水小区面积及布置计算多孔管(毛管)0.413.3314多孔管(支管)1.54000576000N(多孔数)多孔系数沿程水损(m)总水损(m)409244.5512027.728.50166.6666667468399.80292.873.15192.5696200.33151.862.05201373.759232.112.33沿程水损(m)总水损(m)流速(m/s)总水损(m)1.6821.90.891.72.0472.31.263.66.1566.81.022.7013.01.6011.81.3181.44981.5019.08421.01.6711.40.0230.00.214.1864.61.675.0555.61.468.0758.91.279.06010.01.824.1364.51.172.2462.51.521.3501.51.142.8513.11.521.9952.21.657.7468.51.320.5550.60.956.33.5413.91.324.3654.81.6513.03114.31.919.58510.51.060.7840.90.821.6231.81.041.4171.60.74水损计算表810.000155.724壁厚(mm)内径(mm)9.4231.25.9188.24.7150.63.7117.65.503.2103.62.784.62.270.6259ηA(公顷）a(亩）备注0.951.75776.00计算面积0.95.33333333380.00计算水量一轮灌溉面积（㎡）滴管带双侧长度（m）计算的支管总长度（m）实际支管长度实际灌溉面积48000120400.0060.0072004782.6086967068.0033.002310826.651147.0040.0045609905019.0053.002650N(多孔数)多孔系数沿程水损(m)总水损(m)合计0.6MPa水量计算灌水小区面积及布置计算150350565.933923.6926.06409244.55120264.3470.7796.846000160000801200862501507015466412.54.8162.528533.33333333224240360624-2.738075501876266.66840.000222.000114.66669实际滴头流量13.332.862.424.98小区面积71.9640179910.7946027参数名称（1）灌溉制度确定土壤干容重γ①最大净灌水定额确定：田间持水率β田持mmax=0.1*γ*z*P*β田持*(θmax-θmin)土壤含水率上限θmax土壤含水率下限θmin设计土壤湿润比P土壤计划湿润层深度z最大净灌水定额mmax②设计供水强度：作物修正系数Kc作物遮荫率修正系数KrIa=Ea-P0作物遮荫率GcEa=Kc*Kr*Eo*Ks作物腾发量E0土壤损失系数Ks作物日最大耗水强度Ea有效降雨量P0设计作物日耗水强度Ia③毛管供水强度确定：滴头出水量qI=2*q/（B*S）孔间距s毛管间距灌水强度毛管供水强度Ia④最大灌水周期：T=mmax/Ia设计灌水周期Tmax设计灌水周期TTmax⑤设计灌水定额m＇设计净灌水定额md=T*Ia灌溉水利用系数η设计灌水定额m＇=md/η⑥一次灌水延续时间：t=(m＇/Ia)一次灌水延续时间t=m＇*Se*Sl/qdtst多个滴头n环绕作物时一次灌水延续时间t=m＇*Se*Sl/n*qd一天运行小时td⑦可灌溉面积（最大控制面积）：可供水流量QA=η*Q*t/（10*Ia）可灌溉面积A灌溉制度⑧轮灌组校核：N≤td*T/t设计轮灌组数NsNs≤N3080099.8425787146.36881559数值1.450g/cm20.25090.00070.0000.8000.7553.846150.4000.2320.2577780.950mm0.5530.4706.9301.1005.0000.0005.0002.000升/小时0.1500.700m19.048m15752.3613219.66667mm0.0463.00015.0000.90016.6670.8750.87或等于灌水周期*日耗水强度/供水强度(灌溉速率)/.92.000一次灌水延续时间t=m＇*Se*Sl/n*qd22.000250.0001259.000亩灌溉制度33.00015.000。19.66666667或等于灌水周期*日耗水强度/供水强度(灌溉速率)/.9序号名称规格型号进出水口管径（Ф）系统推荐流量（M3/h)可控制灌溉面积(亩）12寸离心1组网式（20）手动过滤器LWY-20Ф602022寸离心2组网式（20）手动过滤器LWY-40Ф604033寸离心2组网式（30）手动过滤器LWY-60Ф896044寸离心3组网式（30）手动过滤器LWY-90Ф11410056寸离心4组网式（30）手动过滤器LWY-120Ф16512066寸离心4组网式（40）手动过滤器LWY-150Ф16515076寸离心3组网式（50）手动过滤器LWY-150Ф16515088寸离心4组网式（50）手动过滤器LWY-200Ф21920098寸离心5组网式（40）手动过滤器LWY-200Ф219200103寸离心2组叠片（30）手动过滤器LDY-60Ф8960113寸离心3组叠片（30）手动过滤器LDY-100Ф114100125组叠片（35）全自动PLN200-5Ф2191751310组叠片（35）全自动PLN250-10Ф2733501412组叠片（35）全自动PLN250-12Ф2734201516组叠片（35）全自动PLN300-16Ф3255601618组叠片（35）全自动PLN300-18Ф3256301722组叠片（35）全自动PLN350-22Ф377770186寸离心两组砂石自动7组网式（30）手动过滤器LSZWY-200进Ф165出Ф21920019离心砂石自动（一罐三腔五网）网式(50)手动过滤器LSZWY-250Ф21925020砂石碟片（一罐三腔六叠）全自动过滤器SDZ-200Ф16520021一组砂石（三腔）8叠片（40）SDZ-300Ф27330022砂石碟片（一罐三腔八叠）手动过滤器SDY-300Ф273300232组叠片（30）自动2组网式（30）手动过滤器DZWY-60Ф8960243组叠片（30）自动3组网式（30）手动过滤器DZWY-90Ф11490254组叠片（30）自动4组网式（30）手动过滤器DZWY-120Ф133120265组叠片（30）自动5组网式（30）手动过滤器DZWY-150Ф16515027离心砂石碟片（一罐三腔八叠）手动过滤器LSDY-300进Ф219出Ф27330028离心砂石碟片（一罐三腔六叠）全自动过滤器LSDZ-200Ф16520029砂石网式（一罐三腔三网(50)）手动过滤器SWY-150Ф165150大禹过滤器规格型号及主要技术参数一览表30砂石网式（一罐三腔五网(40)）手动过滤器SWY-200Ф21920031砂石网式（一罐三腔八网(30)）手动过滤器SWY-300Ф27330032砂石网式（两罐四腔六网(50)）手动过滤器SWY-250Ф21925033砂石网式（三罐六腔十网(50)）手动过滤器SWY-400Ф32540034砂石网式（四罐三腔二十网(50)）手动过滤器SWY-1000Ф4261000以上过滤器为常规型号，如对过滤器压力等有特殊要求，须在订购时提前说明批准：审定：审核：编制：系统允许压力（MP）组合方式外形尺寸（长X宽X高）适应水源特性水源水泵配置备注≤0.41095*515*1395井水≤0.41665*580*1590井水≤0.41715*580*1725井水≤0.41890*800*1725井水≤0.42395*1385*2380井水≤0.42365*1385*2380井水≤0.42365*1035*2380井水≤0.42550*1425*2610井水≤0.42550*1775*2610井水≤0.41720*605*1725井水≤0.51690*1300*1950井水≤0.41800*820*1390井水≤0.42845*2190*1390井水≤0.43145*2190*1382井水≤0.43860*2190*1410井水≤0.44160*2190*1410井水≤0.44870*2190*1410井水≤0.44020*2660*2975井水≤0.44020*2860*2975井水≤0.42660*2320*2420井水≤0.43160*2465*2615井水≤0.43160*2510*2640井水≤0.41475*895*1065井水≤0.41510*1290*1090井水≤0.41530*1640*1130井水≤0.41545*1790*1130井水≤0.44565*2510*2640含砂的河水等≤0.43620*2320*2420含砂的河水等≤0.42160*2720*2565河水等大禹过滤器规格型号及主要技术参数一览表≤0.42660*2805*2625河水等≤0.43155*2880*2675河水等≤0.43665*2635*2455河水等≤0.44230*4055*2520河水等≤0.46320*5655*2845河水等以上过滤器为常规型号，如对过滤器压力等有特殊要求，须在订购时提前说明批准：审定：审核：编制：壁厚及偏差mm近似重量Kg/m国标中线Kg/m壁厚及偏差mm近似重量Kg/m国标中线Kg/m壁厚及偏差mm近似重量Kg/m国标中线Kg/m20+0.325+0.332+0.340+0.350+0.32.0+0.40.440.520.4863+0.31051101.3+0.40.370.480.432.0+0.40.570.670.622.5+0.50.690.820.7675+0.31001081.5+0.40.500.630.572.2+0.50.740.900.