供水工程初步設(shè)計(jì)報(bào)告-wenkub
2023-04-07 04:59:23 本頁(yè)面
【正文】 中的公共建筑用水定額適當(dāng)折減。根據(jù)當(dāng)?shù)貙?shí)際情況取定額,并計(jì)算，計(jì)算結(jié)果如下表12 畜禽類別頭數(shù)定額L/d設(shè)計(jì)用水量m3/d合計(jì). 企業(yè)用水量根據(jù)規(guī)范要求： ”企業(yè)日用水量應(yīng)根據(jù)以下要求確定：1. 企業(yè)生產(chǎn)用水量應(yīng)根據(jù)企業(yè)類型、規(guī)模、生產(chǎn)工藝、用水現(xiàn)狀、近期發(fā)展計(jì)劃和當(dāng)?shù)氐纳a(chǎn)用水定額標(biāo)準(zhǔn)確定。2. 對(duì)耗水量大、水質(zhì)要求低或遠(yuǎn)離居民區(qū)的企業(yè)，是否將其列入供水范圍應(yīng)根據(jù)水源充沛程度、經(jīng)濟(jì)比較和水資源管理要求等確定。確定澆灑道路和綠地用水量 = (m3/d). 管用漏水與其它未預(yù)見用水量根據(jù)規(guī)范：管網(wǎng)漏失水量和未預(yù)見水量之和，宜按上述用水量之和的10%～25%取值，村莊取較低值、規(guī)模較大的鎮(zhèn)區(qū)取較高值。若限于條件需加以利用時(shí)，應(yīng)采用相應(yīng)的凈化工藝進(jìn)行處理，處理后的水質(zhì)應(yīng)符合《農(nóng)村供水規(guī)范》。結(jié)論：該供水水源符合上述要求,且符合水源水質(zhì)標(biāo)準(zhǔn)要求，可作為生活飲用水水源。 配水管網(wǎng)中，消火栓設(shè)置處的最小服務(wù)水頭不應(yīng)低于10m。. 建設(shè)年限根據(jù) 對(duì) 要求，供水工程將于2009年09月竣工。. 工程地質(zhì) 4. 工程設(shè)計(jì). 給水系統(tǒng)設(shè)計(jì) ，179。. 工程設(shè)計(jì). 取水工程. 取水量179。采用以下管材，計(jì)算結(jié)果如下表. 表41 序號(hào)管材長(zhǎng)度(m)設(shè)計(jì)流量(L/s)流速(m/s)管徑(mm)管道水頭損失(m)管材公稱壓力(PMa) 1) Q m3/s設(shè)計(jì)流量(高日工作時(shí)取水量)=(供水規(guī)模+水廠自用水)/水廠工作時(shí)間 2) V m/s設(shè)計(jì)流速,采用經(jīng)濟(jì)流速.3) 管道設(shè)計(jì)內(nèi)徑d(m)，應(yīng)根據(jù)設(shè)計(jì)流量和設(shè)計(jì)流速確定；設(shè)置消火栓的管道內(nèi)徑不應(yīng)小于100mm。 式中 . 凈水工程水質(zhì)良好的地下水,水源水質(zhì)符合相關(guān)標(biāo)準(zhǔn)要求，由此采用消毒工藝。支管按設(shè)計(jì)流量和水頭損失確定管徑。確定各節(jié)點(diǎn)地面高程 根據(jù)地形圖或?qū)嵉販y(cè)量結(jié)果,確定各節(jié)點(diǎn)地面高程,標(biāo)在管網(wǎng)圖上。從最不利點(diǎn)開始向上游推算，例如：最不利點(diǎn)水壓線標(biāo)高＋管道總水頭損失＝最不利點(diǎn)上游點(diǎn)水壓線標(biāo)高 高位水池的最低水位 大于 管網(wǎng)起點(diǎn)水壓線標(biāo)高2m管網(wǎng)水力計(jì)算結(jié)果表 節(jié)點(diǎn)信息表:編號(hào)設(shè)計(jì)人口(人)大用戶配水流量L/S節(jié)點(diǎn)出流量L/S地面標(biāo)高m節(jié)點(diǎn)水壓線標(biāo)高m自由水頭m0.01.02.03.04.05.06.07.788.09.010.011.012.013.014.015.016.019.020.021.16022.8023.11024.7025.026.027.12528.10029.9030.6031.14032.1933.034.8035.036.037.29438.4039.4040.8041.042.6043.044.045.046.18047.15048.27049.050.2751.2452.053.25354.8655.3256.3457.6058.4159.10360.5561.8062.21063.6064.19265.4266.3667.7668.7069.4270.10171.074.7475.8276.077.3578.079.6080.081.15082.2283.3284.8185.1186.18187.088.3489.8390.1391.6092.093.7694.095.11196.12097.7298.1799.0100.0101.132102.74103.0104.199105.34106.0107.0108.56109.0110.24111.12112.26113.84114.93115.34116.252117.0118.100119.0120.20121.132122.17123.30124.0125.110126.11127.0128.42129.148130.30131.40134.0135.24136.0137.32138.0139.92140.144141.28142.110143.0144.16145.0146.50147.0148.14149.0150.69151.20152.109153.350154.0155.60156.40157.40158.80159.16017.018.60160.0161.150162.0163.220164.0165.78166.129167.188168.19169.21170.57171.0172.0173.18174.34175.71176.0177.330178.130179.149180.0181.50182.69183.117184.27185.27186.23187.118188.0189.60190.30191.76192.44193.8194.32195.32196.12200.10201.0202.85203.0204.30205.16206.0207.12208.46209.128211.0212.22213.73214.0215.10216.15217.0218.0219.10220.0221.33222.0223.16224.0225.20226.22227.26228.0229.20230.50231.32232.35233.0234.28235.68236.0237.66238.0239.54240.0241.41242.0243.47244.10245.69246.22247.40248.0249.71250.55251.92252.0253.14254.9255.22256.0257.8258.45259.22260.0261.30
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