某酒店建筑排水系統(tǒng)的設計計算案例目錄TOC\o"1-3"\h\u8078某酒店建筑排水系統(tǒng)的設計計算案例 12418第一章設計原始資料 1154911.1設計資料 1293851.1.1工程概況 1154801.1.2背景資料 2187081.2設計任務 26323第二章建筑排水系統(tǒng) 2292322.1建筑排水系統(tǒng)選擇 2211492.1.1排水水質(zhì)以及特點 2227402.1.2排水方案 3177002.2生活排水系統(tǒng) 3253532.2.1排水管道的布置和附件 34622.2.2通氣管道的設置 364802.2.3排水管道水力計算 381412.2.4排污泵選型 18276482.2.5化糞池的設計計算 18215922.3雨水排水系統(tǒng) 18124602.2.1雨水量計算 1999962.2.2雨水系統(tǒng)水力計算 19第一章設計原始資料1.1設計資料1.1.1工程概況南昌市擬建一座綜合性酒店建筑，共21層，室內(nèi)外高差為0.1m。本棟建筑總面積為28846.58m2。酒店總客房數(shù)為376間。表1.1設計建筑概況位置功能建筑面積層高一層酒店前臺、全日制餐廳2634.85m25.5m二層宴會廳、會議室2317.28m24.8m夾層夾層1075.19m22.15m三層至二十層客房三層右側為裙房上部空間3.5m二十一層套房、設備房403.31m23.5m(4.1m)本棟建筑的地下室為設備房、停車場、泵房，屋頂標高為83.25m。酒店建筑內(nèi)有不同種類的公共衛(wèi)生間以及客房內(nèi)的不同專用衛(wèi)生間。1.1.2背景資料詳見任務書。1.2設計任務（一）設計說明書和計算書（二）設計圖紙至少15張A1圖紙，包括：（1）衛(wèi)生器具的平面布置，系統(tǒng)安裝圖1張。（2）各層平面布置圖7張。（3）給水、排水、自動噴淋、消火栓、雨水系統(tǒng)圖5張。（4）貯水池水泵房平面布置圖1張。（5）設計總說明、圖紙編號及圖例1張。（三）翻譯外文文獻。建筑排水系統(tǒng)2.1建筑排水系統(tǒng)選擇2.1.1排水水質(zhì)以及特點本設計酒店排水類型及水質(zhì)情況如下：生活污水：從大、小便器排出的污水。生活廢水：來自客房盥洗﹑沐浴、洗滌的排水。冷卻廢水：從空調(diào)設備、冷凍機組等排出的冷卻廢水，不在本設計的設計范圍內(nèi)。屋面雨水：來自屋面的雨水及融化的雪水。含油廢水：來自廚房、餐廳排出的廢水，含有動、植物油。不在本設計的設計范圍內(nèi)。2.1.2排水方案本設計的生活污水經(jīng)化糞池處理，因此糞便污水與生活廢水宜分流，而且酒店的盥洗、淋浴廢水量大，分流可減少化糞池占地面積。分流制也可以為將來設置中水系統(tǒng)留余地。污水經(jīng)化糞池處理，排入城市污水管網(wǎng)，生活廢水直接排入城市污水管網(wǎng)。由于建筑高度較高且排水立管承擔的排水當量數(shù)較大，因此采用三立管系統(tǒng)。2.2生活排水系統(tǒng)2.2.1排水管道的布置和附件本設計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。立管宜每層設置一個檢查口，離地面1m處。檢查井尺寸采用700×700mm。地漏直徑取DN50，水封深度不得小于50mm。2.2.2通氣管道的設置本設計以專用通氣管系為主，在一、二層公共衛(wèi)生間，按規(guī)范設置環(huán)形通氣管。一層公共衛(wèi)生間1號的通氣管使用了側墻通風帽。本設計二十層和二十一層屋面為經(jīng)常有人停留的平屋面，通氣管口高出屋面2.2m，三層屋面的通氣管出屋面的高度選為0.6m。2.2.3排水管道水力計算1.設計秒流量設計秒流量的計算公式為:qα——本設計取1.5；表2.1排水當量表衛(wèi)生器具名稱排水流量L/s排水當量排水管徑mm拖布盆0.331.0050洗臉盆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.排水系統(tǒng)概況四至二十一層排水立管引至夾層吊頂，WL-2、WL-1、WL-6、WL-7、WL-8、WL-9為01區(qū)，WL-10、WL-11、WL-12、WL-5、WL-4、WL-3為02區(qū)，兩區(qū)的排水立管引至夾層吊頂分別匯合成兩根立管。三層單排接到立管01和立管02，立管01和立管02自地下室吊頂排至室外檢查井。夾層公共衛(wèi)生間4號和二層公共衛(wèi)生間3號通過WL-14引至地下室排出室外檢查井。二層公共衛(wèi)生間2號通過WL-15和FL-20引至地下室排出室外檢查井。一層公共衛(wèi)生間1號單獨從地下室排至室外檢查井。二層的衛(wèi)生間1號和以及三至二十一層的衛(wèi)生間2號通過WL-13、FL-13從地下室排至室外檢查井。新風機房設地漏，通過立管FL-17、FL-18自地下室排至室外檢查井。廚房設地漏，通過立管FL-19自地下室排至室外檢查井。2.一層至夾層水力計算圖2.1WL-14草圖圖2.2WL-15草圖圖2.3FL-20草圖表2.2WL-14水力計算表計算管段編號衛(wèi)生器具排水當量和數(shù)量當量總數(shù)Ngqg（L/s）管徑mm坡度小便器洗臉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水力計算表計算管段編號衛(wèi)生器具排水當量和數(shù)量當量總數(shù)Ngqg（L/s）管徑mm坡度小便器洗臉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水力計算表計算管段編號衛(wèi)生器具排水當量和數(shù)量當量總數(shù)Ngqg（L/s）管徑mm坡度小便器洗臉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圖2.4公衛(wèi)1草圖表2.5公衛(wèi)1水力計算表計算管段編號衛(wèi)生器具排水當量和數(shù)量當量總數(shù)Ngqg（L/s）管徑mm坡度小便器洗臉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~F11212.500.61750.0154.三層至二十一層水力計算圖2.5WL-13草圖表2.6WL-13水力計算表計算管段編號衛(wèi)生器具排水當量和數(shù)量當量總數(shù)Ngqg（L/s）管徑mm坡度小便器洗臉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圖2.6WL-2、3、4、5、8、9、10草圖表2.7WL-2、3、4、5、8、9、10水力計算表計算管段編號衛(wèi)生器具排水當量和數(shù)量當量總數(shù)Ngqg（L/s）管徑mm坡度小便器洗臉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圖2.7FL-2、3、4、5、8、9、10草圖表2.8FL-2、3、4、5、8、9、10水力計算表計算管段編號衛(wèi)生器具排水當量和數(shù)量當量總數(shù)Ngqg（L/s）管徑mm坡度小便器洗臉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圖2.8WL-1、7、11草圖表2.9WL-1、7、11水力計算表計算管段編號衛(wèi)生器具排水當量和數(shù)量當量總數(shù)Ngqg（L/s）管徑mm坡度小便器洗臉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圖2.9FL-1、7、11草圖表2.10FL-1、7、11水力計算表計算管段編號衛(wèi)生器具排水當量和數(shù)量當量總數(shù)Ngqg（L/s）管徑mm坡度小便器洗臉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圖2.10WL-6、12草圖表2.11WL-6、12水力計算表計算管段編號衛(wèi)生器具排水當量和數(shù)量當量總數(shù)Ngqg（L/s）管徑mm坡度小便器洗臉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圖2.11FL-6、12草圖表2.12FL-6、12水力計算表計算管段編號衛(wèi)生器具排水當量和數(shù)量當量總數(shù)Ngqg（L/s）管徑mm坡度小便器洗臉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圖2.12WL-01匯合草圖表2.13WL-01水力計算表計算管段編號衛(wèi)生器具排水當量和數(shù)量當量總數(shù)Ngqg（L/s）管徑mm坡度小便器洗臉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圖2.13FL-01匯合草圖表2.14FL-01水力計算表計算管段編號衛(wèi)生器具排水當量和數(shù)量當量總數(shù)Ngqg（L/s）管徑mm坡度小便器洗臉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圖2.14WL-02匯合草圖表2.15WL-02水力計算表計算管段編號衛(wèi)生器具排水當量和數(shù)量當量總數(shù)Ngqg（L/s）管徑mm坡度小便器洗臉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圖2.15FL-02匯合草圖表2.16FL-02水力計算表計算管段編號衛(wèi)生器具排水當量和數(shù)量當量總數(shù)Ngqg（L/s）管徑mm坡度小便器洗臉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.通氣管道管徑確定本設計大部分通氣立管長度大于50m，又因為所連接廢水和污水立管管徑為均100mm，因此通氣立管的管徑應與排水立管管徑相同，選擇100mm。表2.17通氣管最小管徑表通氣管名稱污水管徑mm32405075100125150器具通氣管3232325050環(huán)形通氣管32405050通氣立管405075100100匯合通氣管的斷面積按下式計算：DN≥代入得：

DN≥100×100+0.25×(100×100×5)DN≥150mm本設計的匯合通氣管管徑為150mm。2.2.4排污泵選型本設計選用潛污泵。地下停車場設有排水溝，排水溝排水集中到三個集水坑，經(jīng)泵排至室外。水泵揚程應大于或等于污水提升所需要的揚程，可按下式計算：H本設計中，地下室地面標高-5.70m，排出口標高為-1.30m，集水坑底標高為-7.20m，最長的排出管管長約為20m，初選用潛水泵型號為80QW20-10-1.5，水泵吸、壓水管管徑DN80，查排水鑄鐵管水力計算表，管道單位水力坡降為i=0.041，局部阻力按沿程阻力的30%計，水泵揚程為：H選用潛水泵型號為80QW20-10-1.5(Q=10m3/h，H=10m，N=1.5kW)，停泵水位為-6.90m，開泵水位為-6.20m，一備一用。集水坑的尺寸L×B×H=1200×1200×1500mm，在地下室地面標高-5.70m，集水坑底標高為-7.20m。選用潛水泵型號為80QW20-10-1.5(Q=10m3/h，H=10m，N=1.5kW)，停泵水位為-6.90m，開泵