【《某酒店建筑排水系统的设计计算案例》5800字】

某酒店建筑排水系统的设计计算案例目录TOC\o"1-3"\h\u8078某酒店建筑排水系统的设计计算案例 12418第一章设计原始资料 1154911.1设计资料 1293851.1.1工程概况 1154801.1.2背景资料 2187081.2设计任务 26323第二章建筑排水系统 2292322.1建筑排水系统选择 2211492.1.1排水水质以及特点 2227402.1.2排水方案 3177002.2生活排水系统 3253532.2.1排水管道的布置和附件 34622.2.2通气管道的设置 364802.2.3排水管道水力计算 381412.2.4排污泵选型 18276482.2.5化粪池的设计计算 18215922.3雨水排水系统 18124602.2.1雨水量计算 1999962.2.2雨水系统水力计算 19第一章设计原始资料1.1设计资料1.1.1工程概况南昌市拟建一座综合性酒店建筑，共21层，室内外高差为0.1m。本栋建筑总面积为28846.58m2。酒店总客房数为376间。表1.1设计建筑概况位置功能建筑面积层高一层酒店前台、全日制餐厅2634.85m25.5m二层宴会厅、会议室2317.28m24.8m夹层夹层1075.19m22.15m三层至二十层客房三层右侧为裙房上部空间3.5m二十一层套房、设备房403.31m23.5m(4.1m)本栋建筑的地下室为设备房、停车场、泵房，屋顶标高为83.25m。酒店建筑内有不同种类的公共卫生间以及客房内的不同专用卫生间。1.1.2背景资料详见任务书。1.2设计任务（一）设计说明书和计算书（二）设计图纸至少15张A1图纸，包括：（1）卫生器具的平面布置，系统安装图1张。（2）各层平面布置图7张。（3）给水、排水、自动喷淋、消火栓、雨水系统图5张。（4）贮水池水泵房平面布置图1张。（5）设计总说明、图纸编号及图例1张。（三）翻译外文文献。建筑排水系统2.1建筑排水系统选择2.1.1排水水质以及特点本设计酒店排水类型及水质情况如下：生活污水：从大、小便器排出的污水。生活废水：来自客房盥洗﹑沐浴、洗涤的排水。冷却废水：从空调设备、冷冻机组等排出的冷却废水，不在本设计的设计范围内。屋面雨水：来自屋面的雨水及融化的雪水。含油废水：来自厨房、餐厅排出的废水，含有动、植物油。不在本设计的设计范围内。2.1.2排水方案本设计的生活污水经化粪池处理，因此粪便污水与生活废水宜分流，而且酒店的盥洗、淋浴废水量大，分流可减少化粪池占地面积。分流制也可以为将来设置中水系统留余地。污水经化粪池处理，排入城市污水管网，生活废水直接排入城市污水管网。由于建筑高度较高且排水立管承担的排水当量数较大，因此采用三立管系统。2.2生活排水系统2.2.1排水管道的布置和附件本设计中排水管道采用硬聚氯乙烯管，采用UPVC螺旋排水立管，可以起到消能的作用。室外排水采用DN250mm的混凝土管道。立管宜每层设置一个检查口，离地面1m处。检查井尺寸采用700×700mm。地漏直径取DN50，水封深度不得小于50mm。2.2.2通气管道的设置本设计以专用通气管系为主，在一、二层公共卫生间，按规范设置环形通气管。一层公共卫生间1号的通气管使用了侧墙通风帽。本设计二十层和二十一层屋面为经常有人停留的平屋面，通气管口高出屋面2.2m，三层屋面的通气管出屋面的高度选为0.6m。2.2.3排水管道水力计算1.设计秒流量设计秒流量的计算公式为:qα——本设计取1.5；表2.1排水当量表卫生器具名称排水流量L/s排水当量排水管径mm拖布盆0.331.0050洗脸盆0.250.7532~50浴盆1.002.0050淋浴器0.150.4550大便器1.504.50100小便器0.100.3040~502.排水系统概况四至二十一层排水立管引至夹层吊顶，WL-2、WL-1、WL-6、WL-7、WL-8、WL-9为01区，WL-10、WL-11、WL-12、WL-5、WL-4、WL-3为02区，两区的排水立管引至夹层吊顶分别汇合成两根立管。三层单排接到立管01和立管02，立管01和立管02自地下室吊顶排至室外检查井。夹层公共卫生间4号和二层公共卫生间3号通过WL-14引至地下室排出室外检查井。二层公共卫生间2号通过WL-15和FL-20引至地下室排出室外检查井。一层公共卫生间1号单独从地下室排至室外检查井。二层的卫生间1号和以及三至二十一层的卫生间2号通过WL-13、FL-13从地下室排至室外检查井。新风机房设地漏，通过立管FL-17、FL-18自地下室排至室外检查井。厨房设地漏，通过立管FL-19自地下室排至室外检查井。2.一层至夹层水力计算图2.1WL-14草图图2.2WL-15草图图2.3FL-20草图表2.2WL-14水力计算表计算管段编号卫生器具排水当量和数量当量总数Ngqg（L/s）管径mm坡度小便器洗脸盆大便器浴盆淋浴器拖布盆0.10.251.510.150.330.30.754.530.4511~210.750.25500.0252~310.750.251000.0123~4115.251.751000.0124~5129.752.0621000.0125~11129.752.0621000.0126~710.750.25500.0257~8111.20.41000.0128~101115.71.91000.0129~1010.750.25500.02510~112116.451.95711000.012立管2116.451.95711000.012表2.3WL-15水力计算表计算管段编号卫生器具排水当量和数量当量总数Ngqg（L/s）管径mm坡度小便器洗脸盆大便器浴盆淋浴器拖布盆0.10.251.510.150.330.30.754.530.4511~214.501.501000.0122~329.002.041000.0123~4312.502.161000.0124~61312.802.171000.0125~610.300.10500.0257~814.501.501000.0128~929.002.041000.0129~10312.502.161000.01210~6418.002.261000.0126~112732.102.521250.0111~123732.402.521250.0112~154732.702.531250.0113~1414.501.501000.01214~1529.002.041000.01216~1714.501.501000.01217~1829.002.041000.01218~19312.502.161000.01219~20418.002.261000.01220~15522.502.351000.01215~2141464.202.941500.007立管41464.202.941500.007表2.4FL-20水力计算表计算管段编号卫生器具排水当量和数量当量总数Ngqg（L/s）管径mm坡度小便器洗脸盆大便器浴盆淋浴器拖布盆0.10.251.510.150.330.30.754.530.4511~210.750.25500.0252~321.500.47500.0254~311.000.33500.0255~610.750.25500.0256~721.500.47500.0258~710.750.25500.0257~332.250.52500.0253~9514.750.72750.0159~10525.750.76750.015立管525.750.761000.012图2.4公卫1草图表2.5公卫1水力计算表计算管段编号卫生器具排水当量和数量当量总数Ngqg（L/s）管径mm坡度小便器洗脸盆大便器浴盆淋浴器拖布盆0.10.251.510.150.330.30.754.530.4511~214.501.501000.0122~329.002.041000.0123~4312.502.161000.0124~5418.002.261000.0125~9522.502.351000.0126~714.501.501000.0127~829.002.041000.0128~9312.502.161000.0129~W7836.002.581000.0121~210.300.10500.0252~320.600.20500.0253~430.900.27750.0154~541.200.30750.0155~651.500.321000.0127~814.501.501000.0128~929.002.041000.0129~10312.502.161000.01210~6418.002.261000.0126~W65419.502.291000.0121~210.750.25500.0252~321.500.32750.0154~310.750.25500.0253~542.000.41750.0155~F1352.750.451000.0121~210.750.25500.0252~421.500.47500.0253~411.000.33500.0254~F11212.500.61750.0154.三层至二十一层水力计算图2.5WL-13草图表2.6WL-13水力计算表计算管段编号卫生器具排水当量和数量当量总数Ngqg（L/s）管径mm坡度小便器洗脸盆大便器浴盆淋浴器拖布盆0.10.251.510.150.330.30.754.530.4511~211.000.33500.0252~4115.501.831000.0123~410.750.25500.0254~51116.251.951000.0125~61116.251.951000.0126~722212.502.141000.0127~833318.752.281000.0128~944425.002.401000.0129~1055531.252.511000.01210~1166637.502.601000.01211~1277742.752.691000.01212~1388850.002.771000.01213~1499956.252.851000.01214~1510101062.502.921000.01215~1611111168.752.991000.01216~1712121275.002.061000.01217~1813131381.252.121000.01218~1914141487.502.181000.01219~2015151592.752.241000.01220~21161616100.002.301000.01221~22171717106.252.361000.01222~23181818112.502.411000.01223~26191919118.752.461000.01224~2510.750.25500.02525~26115.251.751000.012立管202019124.002.501000.012图2.6WL-2、3、4、5、8、9、10草图表2.7WL-2、3、4、5、8、9、10水力计算表计算管段编号卫生器具排水当量和数量当量总数Ngqg（L/s）管径mm坡度小便器洗脸盆大便器浴盆淋浴器拖布盆0.10.251.510.150.330.30.754.530.4511~314.501.501000.0122~314.501.501000.0123~429.002.041000.0124~529.002.041000.0125~6418.002.261000.0126~7627.002.441000.0127~8836.002.581000.0128~91045.002.711000.0129~101254.002.821000.01210~111462.002.931000.01211~121672.002.031000.01212~131881.002.121000.01213~142090.002.211000.01214~152299.002.291000.01215~1624108.002.371000.01216~1726117.002.451000.01217~1828126.002.521000.01218~1930135.002.591000.01219~2032144.002.661000.012立管34152.002.731000.012图2.7FL-2、3、4、5、8、9、10草图表2.8FL-2、3、4、5、8、9、10水力计算表计算管段编号卫生器具排水当量和数量当量总数Ngqg（L/s）管径mm坡度小便器洗脸盆大便器浴盆淋浴器拖布盆0.10.251.510.150.330.30.754.530.4511~210.750.25500.0252~5111.200.40500.0253~410.750.25500.0254~5111.200.40500.0255~6222.400.53500.0256~7222.400.531000.0127~8444.800.641000.0128~9667.200.731000.0129~10889.600.811000.01210~11101012.000.871000.01211~12121214.400.931000.01212~13141416.800.991000.01213~14161619.201.041000.01214~15181821.601.091000.01215~16202024.001.131000.01216~17222226.401.171000.01217~18242428.801.221000.01218~19262631.201.261000.01219~20282832.601.291000.01220~21303036.001.331000.01221~22323238.401.371000.012立管343440.801.401000.012图2.8WL-1、7、11草图表2.9WL-1、7、11水力计算表计算管段编号卫生器具排水当量和数量当量总数Ngqg（L/s）管径mm坡度小便器洗脸盆大便器浴盆淋浴器拖布盆0.10.251.510.150.330.30.754.530.4511~314.501.501000.0122~314.501.501000.0123~429.002.041000.0124~529.002.041000.0125~6418.002.261000.0126~7627.002.441000.0127~8836.002.581000.0128~91045.002.711000.0129~101254.002.821000.01210~111462.002.931000.01211~121672.002.031000.01212~131881.002.121000.01213~142090.002.211000.01214~152299.002.291000.01215~1624108.002.371000.01216~1726117.002.451000.01217~1828126.002.521000.01218~1930135.002.591000.01219~2032144.002.661000.012立管34152.002.731000.012图2.9FL-1、7、11草图表2.10FL-1、7、11水力计算表计算管段编号卫生器具排水当量和数量当量总数Ngqg（L/s）管径mm坡度小便器洗脸盆大便器浴盆淋浴器拖布盆0.10.251.510.150.330.30.754.530.4511~312.001.00750.0152~310.450.15500.0253~5112.451.151000.0124~510.750.25500.0255~71114.201.371000.0126~710.750.25500.0257~82114.951.401000.0128~92114.951.401000.0129~104229.901.571000.01210~1163314.851.691000.01211~1284419.801.801000.01212~13105524.751.901000.01213~14126629.701.981000.01214~15147734.652.061000.01215~16168839.602.131000.01216~17189944.552.201000.01217~1820101049.502.271000.01218~1922111154.452.331000.01219~2024121259.402.391000.01220~2126131364.352.441000.01221~2228141469.302.501000.01222~2330151574.252.551000.01223~2432161679.202.601000.012立管34171784.152.651000.012图2.10WL-6、12草图表2.11WL-6、12水力计算表计算管段编号卫生器具排水当量和数量当量总数Ngqg（L/s）管径mm坡度小便器洗脸盆大便器浴盆淋浴器拖布盆0.10.251.510.150.330.30.754.530.4511~214.501.501000.0122~329.002.041000.0123~429.002.041000.0124~5418.002.261000.0125~6627.002.441000.0126~7836.002.581000.0127~81045.002.711000.0128~91254.002.821000.0129~101462.002.931000.01210~111672.002.031000.01211~121881.002.121000.01212~132090.002.211000.01213~142299.002.291000.01214~1524108.002.371000.01215~1626117.002.451000.01216~1728126.002.521000.01217~1830135.002.591000.01218~1932144.002.661000.012立管34152.002.731000.012图2.11FL-6、12草图表2.12FL-6、12水力计算表计算管段编号卫生器具排水当量和数量当量总数Ngqg（L/s）管径mm坡度小便器洗脸盆大便器浴盆淋浴器拖布盆0.10.251.510.150.330.30.754.530.4511~310.750.25500.0252~311.000.33500.0253~5111.750.57500.0254~511.000.33500.0255~6122.750.63500.0256~9222.500.67750.0157~810.450.15500.0258~920.900.30500.0259~102224.400.71750.01510~112224.400.711000.01211~124448.800.861000.01212~1366612.200.981000.01213~1488817.601.091000.01214~1510101022.001.171000.01215~1612121226.401.251000.01216~1714141430.801.331000.01217~1816161635.201.401000.01218~1918181839.601.461000.01219~2020202044.001.521000.01220~2122222248.401.581000.01221~2224242452.801.641000.01222~2326262657.201.691000.01223~2428282861.601.741000.01224~2530303066.001.791000.01225~2632323270.401.841000.012立管34343474.801.891000.012图2.12WL-01汇合草图表2.13WL-01水力计算表计算管段编号卫生器具排水当量和数量当量总数Ngqg（L/s）管径mm坡度小便器洗脸盆大便器浴盆淋浴器拖布盆0.10.251.510.150.330.30.754.530.4511~2292.041000.0122~3292.041000.0123~5361622.7911500.0074~5292.041000.0125~6381712.85381500.0076~7723244.741500.0077~91064775.43131500.0078~9292.041000.0129~101084865.46821500.00711~12292.041000.01210~121426396.05011500.00712~131446486.08211500.00713~151788016.59431500.00714~15292.041000.01215~161808106.62291500.00716~172149637.08581500.007WL-012149637.08581500.007图2.13FL-01汇合草图表2.14FL-01水力计算表计算管段编号卫生器具排水当量和数量当量总数Ngqg（L/s）管径mm坡度小便器洗脸盆大便器浴盆淋浴器拖布盆0.10.251.510.150.330.30.754.530.4511~3343440.801.401000.0122~3222.400.53500.0253~4363642.201.431500.0075~62114.951.401000.0124~634171784.152.651500.0076~736181889.102.701500.0077~870185234162.902.301500.0078~10104188634204.702.581500.0079~10222.400.53500.02510~11106188834207.102.591500.00711~131401812234247.902.831500.00712~13222.400.53500.02513~141421812434250.302.851500.00714~161761815834291.104.071500.00715~16222.400.53500.02516~171781816034292.504.081500.007FL-011781816034292.504.081500.007图2.14WL-02汇合草图表2.15WL-02水力计算表计算管段编号卫生器具排水当量和数量当量总数Ngqg（L/s）管径mm坡度小便器洗脸盆大便器浴盆淋浴器拖布盆0.10.251.510.150.330.30.754.530.4511~229.002.041000.0122~329.002.041000.0123~534152.002.731500.0074~529.002.041000.0125~636162.002.791500.0076~870315.004.691500.0077~829.002.041000.0128~972324.004.741500.0079~11106477.005.431500.00710~1129.002.041000.01211~12108486.005.471500.00712~14142639.006.051500.00713~1429.002.041000.01214~15144648.006.081500.00715~17178801.006.591500.00716~1729.002.041000.01217~18180810.006.621500.00718~19214962.007.091500.007WL-02214962.007.091500.007图2.15FL-02汇合草图表2.16FL-02水力计算表计算管段编号卫生器具排水当量和数量当量总数Ngqg（L/s）管径mm坡度小便器洗脸盆大便器浴盆淋浴器拖布盆0.10.251.510.150.330.30.754.530.4511~3343440.801.401000.0122~3222.400.53500.0253~4363642.201.431500.0074~6701753127.352.031500.0075~62114.951.401000.0126~7721854132.302.071500.0077~9106188834207.102.591500.0078~92224.400.63750.0159~10108189036211.502.621500.00710~121423510736295.654.101500.00711~122114.951.401000.01212~131443610836300.604.121500.00713~151783614236341.404.331500.00714~15222.400.53500.02515~161803614436342.804.341500.00716~182143617836384.604.531500.00717~18222.400.53500.02518~192163618036387.004.541500.007FL-022163618036387.004.541500.0075.通气管道管径确定本设计大部分通气立管长度大于50m，又因为所连接废水和污水立管管径为均100mm，因此通气立管的管径应与排水立管管径相同，选择100mm。表2.17通气管最小管径表通气管名称污水管径mm32405075100125150器具通气管3232325050环形通气管32405050通气立管405075100100汇合通气管的断面积按下式计算：DN≥代入得：

DN≥100×100+0.25×(100×100×5)DN≥150mm本设计的汇合通气管管径为150mm。2.2.4排污泵选型本设计选用潜污泵。地下停车场设有排水沟，排水沟排水集中到三个集水坑，经泵排至室外。水泵扬程应大于或等于污水提升所需要的扬程，可按下式计算：H本设计中，地下室地面标高-5.70m，排出口标高为-1.30m，集水坑底标高为-7.20m，最长的排出管管长约为20m，初选用潜水泵型号为80QW20-10-1.5，水泵吸、压水管管径DN80，查排水铸铁管水力计算表，管道单位水力坡降为i=0.041，局部阻力按沿程阻力的30%计，水泵扬程为：H选用潜水泵型号为80QW20-10-1.5(Q=10m3/h，H=10m，N=1.5kW)，停泵水位为-6.90m，开泵水位为-6.20m，一备一用。集水坑的尺寸L×B×H=1200×1200×1500mm，在地下室地面标高-5.70m，集水坑底标高为-7.20m。选用潜水泵型号为80QW20-10-1.5(Q=10m3/h，H=10m，N=1.5kW)，停泵水位为-6.90m，开泵