海南體育中心給排水施工圖紙大空間智能滅火 含計(jì)算書(shū)

體育中心(一場(chǎng)兩館)體育館給排水計(jì)算書(shū)用水量1.1體育館最高日生活用水量為162.3m3，最大時(shí)用水量為26.55m3，詳見(jiàn)用水量計(jì)算表：1.2用水量計(jì)算表：序號(hào)用水項(xiàng)目名稱使用人數(shù)用水量標(biāo)準(zhǔn)（L）小時(shí)變化系數(shù)使用時(shí)間用水量m3最大時(shí)最高日1運(yùn)動(dòng)員淋浴4040L/人次2.541.001.602觀眾2999*23L/人場(chǎng)1.245．4018．003管理人員10040L/人班1.580.754.004冷卻塔補(bǔ)水800m3/h按循環(huán)水量1.55%1．01012．00120．00520002L/m2·次1.022.004．006小計(jì)24.15147.67未預(yù)見(jiàn)水量按本表1至5項(xiàng)之之和的10%計(jì)2.414.7合計(jì)26.55162.32排水量按最大日用水量的85％考慮排水量Q=162.3*0.85=138m3/d。3生活給水管道選用JL-1作為計(jì)算管段，編號(hào)見(jiàn)水施-003，水施-017計(jì)算公式:qg=0.2α*sqr(Ng)+1.1α值:3.0(公共廁所)控制流速:DN15-DN20≤1.0m/sDN25-DN40≤1.2m/sDN50-DN70≤1.5m/sDN80-≤1.8m/s管道材質(zhì):襯塑鋼管末端壓力:0.100(MPa)計(jì)算公式:有自閉沖洗閥公式前編號(hào)后編號(hào)當(dāng)量(N)流量(l/s)管徑(DN)流速(m/s)坡度(MPa/m)管長(zhǎng)(m)α值水損(MPa)前壓(MPa)后壓(MPa)120.501.20321.420.000751.003.00.00070.10000.1007231.001.30401.150.000421.003.00.00040.10070.1012341.501.40401.230.000491.003.00.00050.10120.1017452.001.50401.320.000551.003.00.00060.10170.1022562.501.60401.410.000621.003.00.00060.10220.1028673.001.70401.500.000707.003.00.00490.10280.1077784.502.00501.020.000257.003.00.00170.10770.1095899.002.90501.480.000492.003.00.00100.10950.110491014.003.34501.700.000641.003.00.00060.11040.1111101114.003.34501.700.000648.003.00.00510.11110.116211接戶口16.003.50501.780.0007025.003.00.01740.11620.1336計(jì)算結(jié)果:沿程水頭損失：0.1336Mpa-0.1000Mpa=0.0336Mpa總水頭損失：0.0336Mpa*1.3＝0.0437Mpa最不利點(diǎn)高程差：10.5m接戶口所需壓力：0.1Mpa+0.0437Mpa+0.105Mpa＝0.2487Mpa因此直接市政供水能滿足要求。4生活排水管道選用WL-2作為計(jì)算管段，編號(hào)見(jiàn)水施-003，水施-017計(jì)算公式:qp=0.12α*sqr(Np)+qmax立管通氣:僅有伸頂通氣管橫管類型:有環(huán)形通氣管α值:2.5管道材質(zhì):排水塑料管最大的一個(gè)衛(wèi)生潔具的排水流量:1.5(l/s)前編號(hào)后編號(hào)當(dāng)量(Ng)流量(l/s)管徑(DN)充滿度h/D流速(m/s)坡度(m/m)124.501.491100.2271.040.026239.002.401100.2891.190.0263413.502.601100.3011.220.0264518.002.771100.3111.240.0265622.502.921100.3201.260.0266727.003.061100.3281.280.0267827.003.061108931.503.181609出戶口49.503.611600.2700.920.010計(jì)算結(jié)果:橫管充滿度滿足規(guī)范要求，立管通水能力滿足設(shè)計(jì)要求。5消火栓系統(tǒng)1.體育場(chǎng)地下室消防水池供整個(gè)體育中心使用，所有建筑物中室內(nèi)消火栓最大用水量為30L/S（體育場(chǎng)），自動(dòng)噴水最大用水量為30L/S（體育館），故消防水池有效容積為：324m3體育館消防用水量標(biāo)準(zhǔn)及一次滅火用水量序號(hào)消防系統(tǒng)名稱消防用水量標(biāo)準(zhǔn)火災(zāi)延續(xù)時(shí)間一次滅火用水量備注1室內(nèi)消火栓系統(tǒng)15L/s2h108m3由消防水池供2自動(dòng)噴水滅火系統(tǒng)統(tǒng)30L/s1h108m3由消防水池供3室外消火栓系統(tǒng)30L/s2h216m3由城市管網(wǎng)供合計(jì)432m32.已知：(1)充實(shí)水柱長(zhǎng)度Hm=13米(2)水槍噴口直徑df=19毫米(3)水帶長(zhǎng)度Ld=25米，采用直徑d=65毫米襯膠水帶。計(jì)算結(jié)果：(1)水槍噴口的射流量Qxh=5.7升/秒(2)消火栓口所需水壓Hxh=20.5米(3)如按水帶長(zhǎng)度有效利用80%考慮，則該消火栓的保護(hù)半徑Dmax=27.1米由泵房泵出口至最不利點(diǎn)（體育場(chǎng)）管長(zhǎng)450米，流量考慮為30L/S，采用DN150管徑，水損：H=30.5/1000*450=13.7最不利點(diǎn)消火栓與泵出口相對(duì)高差17.6米泵揚(yáng)程H=17.6+20.5+13.7*1.3＝55.9米，設(shè)計(jì)取60米故消火栓泵選用XBD6/30-SLH，Q=30L/s，H=60m，N=37kw6自動(dòng)噴水滅火系統(tǒng)計(jì)算原理參照《自動(dòng)噴水滅火系統(tǒng)設(shè)計(jì)規(guī)范GB50084-2001》，采用作用面積法基本計(jì)算公式1. 噴頭流量q=K*SQRT(10P)式中：q-噴頭處節(jié)點(diǎn)流量，L/minP-噴頭處水壓，MPaK-噴頭流量系數(shù)（K＝80）2. 流速VV=(4*Q)/(π*Dj*Dj)式中：Q-管段流量L/sDj-管道的計(jì)算內(nèi)徑（m）3. 水力坡降i=0.00107*V*V/(pow(Dj,1.3)式中：i-每米管道的水頭損失（mH20/m）V-管道內(nèi)水的平均流速（m/s）Dj-管道的計(jì)算內(nèi)徑（m）4. 沿程水頭損失h=i*L式中：L-管段長(zhǎng)度m5. 局部損失（采用當(dāng)量長(zhǎng)度法）h=i*L(當(dāng)量)式中：L(當(dāng)量)管段當(dāng)量長(zhǎng)度，單位m(《自動(dòng)噴水滅火系統(tǒng)設(shè)計(jì)規(guī)范》附錄C)6. 總損失h=h(局)+h(沿)7. 終點(diǎn)壓力Hn=Hn-1+h（節(jié)點(diǎn)標(biāo)記見(jiàn)水施012）自噴水力計(jì)算表系統(tǒng)名稱:自噴-自動(dòng)噴淋系統(tǒng)一危險(xiǎn)等級(jí):中危險(xiǎn)級(jí)(Ⅰ級(jí))設(shè)計(jì)強(qiáng)度:6(L/min.m2)作用面積:160(m2)末端壓力:0.05(MPa)控制流速:5.0(m/s)管道材質(zhì):普通鍍鋅鋼管管道坡度:0流量系數(shù):80前編號(hào)后編號(hào)流量(l/s)調(diào)整q(l/s)管徑(DN)流速(m/s)坡度(MPa/m)管長(zhǎng)(m)流量系數(shù)管件當(dāng)量(m)計(jì)算管長(zhǎng)(m)水損(MPa)高度差(m)前壓(MPa)后壓(MPa)120.94251.780.003883.20800.603.800.01470.05000.0647232.02322.130.003813.20802.005.200.01980.06470.0846343.24323.420.009863.20801.805.000.04930.08460.1338454.78403.810.010182.20802.704.900.04990.13380.1837569.78801.970.0011226.00805.2031.200.03480.18370.21856720.021002.310.0010717.90806.9024.800.02660.21850.24517820.021501.060.00014110.008010.85120.850.01670.24510.26198920.021501.060.0001450.008013.5063.500.008816.000.26190.43075A5B0.94251.780.003883.00800.603.600.01400.05000.06405B5C2.01322.120.003793.00802.005.000.01890.06400.08295C5D3.22323.400.009743.00801.804.800.04680.08290.12975D54.744.99403.770.010000.90802.703.600.03600.12970.16576A6B0.94251.780.003883.00800.603.600.01400.05000.06406B6C2.01322.120.003793.00802.005.000.01890.06400.08296C6D3.22323.400.009743.00801.804.800.04680.08290.12976D6E4.74403.770.010002.20802.704.900.04900.12970.17876E69.6210.24652.730.002681.20804.155.350.01430.17870.19306A'6B'0.94251.780.003881.60800.602.200.00850.05000.05856B'6C'1.96322.070.003613.00802.005.000.01810.05850.07666C'6D'3.13323.300.009193.00801.804.800.04410.07660.12076D'6E4.594.88403.660.009391.30802.704.000.03760.12070.1583計(jì)算結(jié)果:所選作用面積:160平方米總流量:20.02L/s平均噴水強(qiáng)度:7.5L/min.平方米泵揚(yáng)程H=0.43MPa+0.04Mpa（濕式報(bào)警閥）+0.02MPa（水流指示器）＝0.49Mpa，自噴泵選用XBD6/25-SLH，Q=25L/s，H=60m，N=37kw(按體育場(chǎng)噴淋系統(tǒng)設(shè)計(jì))7冷卻塔循環(huán)水量660T/h查冷卻塔選用曲線，冷卻循環(huán)量800T/h選用SC系列超低噪音－UL型單風(fēng)機(jī)兩臺(tái)SC-400UL長(zhǎng)*寬*高＝3600*5700*6430電機(jī)功率11KW運(yùn)行重量7.39T塔體水損H=5.5m進(jìn)水4*DN125出水DN250滿水管徑DN80排污管