农村生活污水治理建设项目管网设计说明.docx

《农村生活污水治理建设项目管网设计说明.docx》由会员分享，可在线阅读，更多相关《农村生活污水治理建设项目管网设计说明.docx（11页珍藏版）》请在优知文库上搜索。

1、管网设计说明（4）设计流速：重力流管道最小设计流速Vmin=O.6ms,部分少于0.6ms管道定期（T=3月）冲洗，冲洗时流速不应小于L2ms.最大设计流速Vmax：金属管道VmaX=IOnVs,非金属管道VmaX=5m/s。（5）设计充满度h/D：重力流管道：我国规定污水管道按不满流（D1000总变化系数KZ2.72.42.12.01.91.81.61.5根据表3.4-3中可知本工程污水处理工程污水量总变化系数为Kz=2.7o序号旨标项目、污水量(mjd)污水总变化系数最高日最高时设计流量(ii)平均设计流量(m3h)1清溪场慎司城村司城组28.82.73.241.22南丘村委会湾泥堡组、下

2、水沟组26.22.72.971.1南丘村管网水力计算表详见表3.4-4.司城村管网水力计算表详见表3.4*5。表344重丘村管网水力计算表管段编号管长(m)设计流量(I/S)管径(nun)坡度流速(ms)充满度(hD)起点地面高(m)终点地Sif(m)足点管底音(m)终点管底商(m)起点传底埋深(m)终点管底埋深(m)1-2191.73(X)0.0050.630.081404.43404.52403.417403.3221.0131.1982-3311.743000.0050.630.082404.52405.31403.322403.1671.1982.1433-4251.763000.00

3、50.63().083405.3】404.49403.1674O3.(M22.1431.4484-526L793(X)0.07531.64().()44404.49401.84402.785400.8271.7051.0135-6301.813000.03811.30.052401.84399.97400.1398.9571.741.0136-7261.823(X)0.(W91.75O.Q42399.97397.66398.957396.6441.0131.0167M251.853(X)0.09531.8().042397.66395.28396.644394.2621.0161.0188-9

4、61.893(X)0.0050.650.085395.28395.25394.262394.2321.0181.0189-10261.943(X)0.005().65().086395.25395.34394.232394.1021.0181.23810-11381.973(X)0.01040.85().073395.34394.52393.9393.5071.44!.01311-12162.013000.16382.240.039394.52391.9393.507390.8871.0131.01312-13272.083000.0050.670.089391.9391.55390.6723

5、90.5371.221.0!313-1421.32.123000.0581.580.051391.55389.62389.845388.607L7O51.01314-15402.123000.0030.610.1023K9.62390388.60738H.4871.0131.51315-16402.123000.0030.610.102390389.98388.487388.36715131.61316-17332.123000.0030.610.102389.98390.04388.367388.2681.6131.77217-1834.52.123000.00320.630.1390.04

6、390.13388.268388.1581.7721.972表345同城村管网水力计算表管段班号管长(m)设计流f(Vs)管S(mm)坡度流速(Ws)充满反(MD)起点地而高On)终点地面高(m)起点管底高On)终点管底高(m)起点管底埋深(m)终点管底理深(n)1-2251.53000.0050.610.076414.03413.99413.017412,8921.0131.0982-3401.533000.0050.610.077413.99414.81412.892412,6921.0982.1183-426.71.583000.0050.620.078414.81413.97412.6

7、92412,5582.1181.4124-5231.643000.00850.750.07413.97413.9412.558412,3621.4121.5385-6341.683000.0040.610.085413.9414.35412.362412.2261.5382.1246-7371.713000.0060.670.078414.35412.91412.119411,8972.2311.0137-8131.733000.0050.630.082412.91413.01411.897411,8321.0131.1788-9241.763000.01370.90.065413.01412.41411.725411.3971.2851.0139-1061.813000.0848