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0給排水設(shè)計(jì)設(shè)計(jì)任務(wù)書設(shè)計(jì)題目衡陽礦區(qū)生產(chǎn)及生活給排水工程設(shè)計(jì)原始資料由甲方提供的資料、設(shè)計(jì)合同及委托書,衡陽七里井芒硝礦區(qū)生產(chǎn)及生活給排水工程項(xiàng)目負(fù)責(zé)礦區(qū)生產(chǎn)及生活給排水及雨水管道總平面布置,礦區(qū)辦公樓、浴室、循環(huán)泵房以及修理車間等室內(nèi)給排水管道布置的設(shè)計(jì)。根據(jù)甲方要求,生產(chǎn)用水的渾濁度要求較低,主要用于清洗芒硝礦,因此生產(chǎn)用水與生活用水分別供應(yīng)。生產(chǎn)高位水池:容積為1000m3,方位、直徑、深及池底標(biāo)高見礦區(qū)總平面布置圖;生活高位水池:容積為100m3,方位、直徑、深及池底標(biāo)高見礦區(qū)總平面布置圖。生活用水量每天約20m3,接入市政自來水管一條,供全廠生活用水,浴室用水等。消防用水要求由生活高位水池出水總管上接消防水管,在礦區(qū)內(nèi)設(shè)室外消火栓,以備火災(zāi)使用,在建筑物內(nèi)按規(guī)范設(shè)置滅火器??涌诰C合樓、浴室、公共廁所、機(jī)修車間、配電室、循環(huán)水泵房以及空壓機(jī)房方位和標(biāo)高見礦區(qū)總平面布置圖,各建筑物平面布置、立面布置以及尺寸等見相應(yīng)土建圖。3、設(shè)計(jì)條件該廠區(qū)生活污水均排至次出口外的排放檢查井中,井深可滿足要求;生產(chǎn)廢水均排入水處理站調(diào)節(jié)池中,標(biāo)高可滿足要求;1)、生活給水(該地區(qū)凍土深度0.35m)1.焙燒工段:生活給水最大時(shí)流量5.3m3/h;2.鉬酸銨工段:生活給水最大時(shí)流量6.8m3/h;3.鍋爐房:生活給水最大時(shí)流量10m3/h;4.綜合樓:,生活給水最大時(shí)流量16m3/h管中相對(duì)標(biāo)高為-1.15m2)、生產(chǎn)給水(該地區(qū)凍土深度0.35m)1.焙燒工段:生產(chǎn)給水最大時(shí)流量12m3/h,工作制度為3班,每班3小時(shí)。2.鉬酸銨工段:生產(chǎn)給水最大時(shí)流量23m3/h;工作制度為3班,每班6小時(shí)。3)、消防給水1.焙燒工段:廠房尺寸60m×24m×12m,為耐火等級(jí)二級(jí)的丁類廠房。2.鉬酸銨工段:廠房尺寸1800m2×12m,為耐火等級(jí)二級(jí)的丁類廠房。3.綜合樓:建筑尺寸53m×14m×9m。4)、生活污水(生活污水最后均排入次出口外的排放檢查井中)1.焙燒工段:排出管設(shè)計(jì)秒流量為4.2L/s,室外檢查井井底相對(duì)標(biāo)高-1.30m。2.鉬酸銨工段:排出管設(shè)計(jì)秒流量為5.1L/s,室外檢查井井底相對(duì)標(biāo)高為-1.35m。3.鍋爐房:無生活污水4.綜合樓:排出管設(shè)計(jì)秒流量為10.25L/s,室外檢查井井底相對(duì)標(biāo)高為-1.23m。5)、生產(chǎn)廢水1.焙燒工段:無生產(chǎn)廢水2.鉬酸銨工段:生產(chǎn)廢水最大時(shí)流量為30m3/h,室外檢查井井底相對(duì)標(biāo)高為-1.15m3.鍋爐房:無生產(chǎn)廢水4.綜合樓:無生產(chǎn)廢水設(shè)計(jì)工作量1).編寫說明書結(jié)合礦區(qū)材料說明小區(qū)概況,管網(wǎng)布置的考慮,水量標(biāo)準(zhǔn)的確定,色基流量的計(jì)算,管網(wǎng)控制點(diǎn)(最不利點(diǎn))的選擇,高位水池容積高度的確定等。2).繪制設(shè)計(jì)圖紙廠區(qū)給排水管網(wǎng)總平面布置圖(1號(hào)圖)坑口綜合樓一層給排水平面及各層滅火器配置圖(1號(hào)圖)坑口綜合樓給排水管道系統(tǒng)圖(1號(hào)圖)坑口綜合樓一層衛(wèi)生間給排水大樣圖坑口綜合樓二、三層衛(wèi)生間給排水大樣圖生活及生產(chǎn)高位水池圖(1號(hào)圖)修理車間給排水配置及系統(tǒng)圖(1號(hào)圖)(均為計(jì)算機(jī)繪圖,每張圖紙必須附帶經(jīng)指導(dǎo)老師簽字的徒手畫草圖)計(jì)算書給水最高日用水量最大用水時(shí)及最大消防時(shí)節(jié)點(diǎn)流量計(jì)算表最大用水時(shí)及最大消防時(shí)管網(wǎng)平差生產(chǎn),生活高位水池容積計(jì)算計(jì)算管網(wǎng)個(gè)節(jié)點(diǎn)水壓材料表說明計(jì)算書1)、設(shè)計(jì)范圍:本工種主要負(fù)責(zé)衡陽芒硝礦區(qū)生活,生產(chǎn)給水及消防給水,以及小區(qū)的生活污水,生產(chǎn)廢水和污水管道系統(tǒng)的不止。包括小區(qū)內(nèi)坑口綜合樓室內(nèi)外給水、污廢水、滅火器配置等的施工圖設(shè)計(jì)與配合。2)、給水系統(tǒng):1、給水水源和系統(tǒng):為滿足消防和生活用水要求,從市政自來水管上引入進(jìn)水管,小區(qū)內(nèi)設(shè)生產(chǎn)水池,生活水池各一個(gè),池體屬于高位水池,池體容積有小區(qū)實(shí)際各建筑物的用水量來設(shè)計(jì)確定,消防用水與生活用水公用一個(gè)水池,在小區(qū)內(nèi)采用分別布管,生產(chǎn)用水,生活用水,消防用水共有三套供水系統(tǒng)。進(jìn)水管口徑為DN200(生活用水接自其中一路),消防采用環(huán)狀管網(wǎng),進(jìn)入基地處生活用水設(shè)水表計(jì)量。由于已知條件,高位水池,水壓能夠滿足小區(qū)各用水點(diǎn)水壓要求。不用再設(shè)水箱和加壓泵站等設(shè)施。2、生活用水量計(jì)算:⑴坑口綜合樓用水主要用于辦公,共三層層高3.3米每層設(shè)一套衛(wèi)生設(shè)備,包括洗臉盆,污水池,大便器,小便器及淋浴器等涉及用水量由各用水器具來確定。由軸測圖編號(hào)計(jì)算管路為0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20.節(jié)點(diǎn)編號(hào)見圖所示。該建筑屬辦公樓生活用水為:Qg=0.2*a*√N(yùn)ga----根據(jù)建筑物用途確定的系數(shù),取a=1.5使用上面的公式時(shí)要注意以下幾點(diǎn):計(jì)算值小于該管段上最大衛(wèi)生器具給水額定流量時(shí),應(yīng)采用一個(gè)最大的衛(wèi)生器具給水額定流量作為設(shè)計(jì)秒流量。計(jì)算值大于該管段上按衛(wèi)生器具給水額定流量累加所得流量值時(shí),應(yīng)按衛(wèi)生器具給水額定流量累加所的流量值計(jì)算。有大便器延時(shí)自閉沖洗閥的給水管段,大便器延時(shí)自閉沖洗閥的給水當(dāng)量均為0.5計(jì)。計(jì)算得到的Qg附加1.10L/s的流量后衛(wèi)該管段的給水設(shè)計(jì)秒流量。查表1.41得:蹲式大便器Ng=0.5洗臉盆Ng=0.75污水盆Ng=1洗手盆Ng=0.5小便器Ng=0.5淋浴器Ng=0.75根據(jù)公式:Qg=0.2*a*√N(yùn)g=0.3*√N(yùn)g計(jì)算個(gè)用水管段設(shè)計(jì)秒流量,及表1.71不同材質(zhì)管徑流速控制范圍確定各管段流速管徑及水頭損失的確定。其中管段沿程是水頭損失:h=I*L及∑h,計(jì)算局部水頭損失hj=30%∑h由計(jì)算知道∑h=2.016米hj=30%∑h=30%*2.016=0.605米Hi=h+hj=2.016+0.605=2.621米計(jì)算水表的水頭損失:因?yàn)檗k公樓的用水量不大,只在進(jìn)戶管處安裝水表選優(yōu)LXS濕式水表安裝在20-21管段上qg=2.12L/s=7.632m3/h選用口徑為40mm的水表期公稱流量10m3/h〉qg=7.632m3/h其最大流量為20m3/h所以水表的水頭損失為:hd=qg/Kb=14.56Kpa=1.456米。表據(jù)表1.78水表水頭損失容許值表型正常用水時(shí)消防時(shí)旋翼式<24.5<49.0螺翼式<12.8<29.4故選用口徑為40mm的水表。該辦公樓三層其中三層地面高度為5.9米,衛(wèi)生器具中淋浴器水龍頭安裝高度一般為1.4米。最低工作壓力為5米水柱高度。則最不利點(diǎn)的水壓為:H1=5.9+1.4+5=11.3米計(jì)算給水系統(tǒng)所需壓力為:H=H1+H2+H3+H4H1---引入管起點(diǎn)至最不利點(diǎn)高度所要求的靜水壓,KpaH2---引入管起點(diǎn)至最不利配水點(diǎn)給水管路的閻成和局部水頭損失之和,Kpa.H3---水流通過誰表時(shí)的水頭損失,Kpa.H4---最不利配水點(diǎn)所需的流出水頭,Kpa.=11.3+2.621+1.456=15.377米=153.77Kpa坑口綜合樓生活用水量為:qg=2.12L/s=7.632m3/h(2)機(jī)修車間車間內(nèi)設(shè)有一個(gè)污水池且是唯一的用水器具,給水龍頭給水當(dāng)量為qg=1.0L/s額定流量為:0.20L/s.q2=3.6m3/h(3)培段工段:生活給水最大時(shí)流量5.3m3/h;(4)鉬酸銨工段:生活給水最大時(shí)流量6.8m3/h;(5)鍋爐房:生活給水最大時(shí)流量10m3/h;(6)綜合樓:生活給水最大時(shí)流量16m3/h。(7)公共廁所:生活給水最大時(shí)流量為12.17m3/h(8)浴室:生活給水最大時(shí)流量為9.01m3/h則:給水系統(tǒng)中小區(qū)各建筑物生活給水時(shí)流量為:Q=7.632+3.6+5.3+6.8+10+16+12.17+9.01=70.512m3/h設(shè)計(jì)最大秒流量為:Q=70.512m3/h=19.59L/S生活用水設(shè)計(jì)體積為:V=19.59*3.6*24=1692.3m33.小區(qū)消防用水量:1).焙燒工段:廠房尺寸60m×24m×12m,為耐火等級(jí)二級(jí)的丁類廠房。V<20000m3室外消火栓一次滅火用水量:25L/s2).鉬酸銨工段:廠房尺寸1800m2×12m,為耐火等級(jí)二級(jí)的丁類廠房。V<20000m3室外消火栓一次滅火用水量為:25L/s3).綜合樓:建筑尺寸53m×14m×9m。V<室外一次滅火用水量為:20L/S4).坑口綜合樓:V<10000m3室外消火栓一次滅火用水量:10m3/h該廠基地面積<100ha,附近居住區(qū)人口<1.5萬人,同時(shí)發(fā)生火災(zāi)次數(shù)為一次而且要按需水量最大的一座建筑物計(jì)算工廠,居民區(qū)個(gè)考慮一次火災(zāi)延續(xù)時(shí)間安2小時(shí)考慮室外消防用水廠區(qū)最大一次滅火用水量為25L/s居住區(qū)最大一次滅火用水量為:20L/s則:室外消防用水容積:廠房:=25*3.6*2=180m3辦公樓:=20*3.6*2=144m3所以消防采用25L/s廂房用水體積為:V=180m3生活用水與消防用水合用一套系統(tǒng)則.小區(qū)給水設(shè)計(jì)流量為:=19.59+25=44.59L/s生活水池體積為:=180+1692.3=1872.3m35).室外給水管線布置消防栓給水系統(tǒng)1)室外低壓給水管道的水壓,當(dāng)生產(chǎn),生活和消防用水量達(dá)到最大時(shí),因保證不小于10米水柱高度,此時(shí),生產(chǎn),生活用水量岸最大小時(shí)流量計(jì)算,消防用水量應(yīng)按最大秒流量計(jì)算2)室外消防給水管道應(yīng)布置成環(huán)狀,其進(jìn)水管不宜少于兩條,并且從兩條市政給誰管到引入,當(dāng)其中一條發(fā)生故障時(shí),其余的應(yīng)仍能保證全部用水量3).室外消火栓的數(shù)量應(yīng)按2.2-2規(guī)定的室外消防用水量確定(每個(gè)室外消火栓的用水量為10-15L/s).室外消火栓應(yīng)沿消防道路靠高層建筑的一側(cè)均勻布置,消火栓距路邊不宜大于2米,距建筑物外墻不宜小于5米,且不宜大于40米。在此范圍內(nèi)的市政消火栓可以計(jì)入室外消火栓的數(shù)量。生活污水排入市外管網(wǎng)時(shí)要設(shè)化糞池進(jìn)行預(yù)處理作用。在管段上銜接的排放點(diǎn)坑口綜合樓,綜合樓設(shè)置,6)、給水管道水力計(jì)算:坑口綜合樓給水計(jì)算:計(jì)算管段編號(hào)當(dāng)量總數(shù)Ng設(shè)計(jì)秒流量qg管徑流速i管長水損備注0--60.80.26200.810.1181.150.1360.136蹲式大便器Ng==0.51--210.30200.930.1530.840.1290.264污水盆Ng=112--31.50.37250.70.0650.4570.0300.294小便器Ng=0..53--620.42250.790.0820.20.0160.310洗臉盆Ng=0..754--50.80.26200.810.1180.590.0700.380洗手盆Ng=0..55--61.31.44401.150.0931.890.1760.556淋浴器Ng=0..756--1341.70500.80.03430.1020.6587--130.80.26200.810.1181.150.1360.7938--910.30200.930.1530.840.1290.9229--101.50.37250.70.0650.4570.0300.95210--1320.42250.790.0820.20.0160.96811--120.80.26200.810.1180.590.0701.03812--131.31.44401.150.0931.890.1761.21313--1981.95500.920.04430.1321.34514--190.80.26200.810.1181.150.1361.48115--1610.30200.930.1531.060.1621.64316--191.50.37250.70.0650.50.0331.67617--180.80.26200.810.1180.50.0591.73518--191.31.44401.150.0932.50.2331.96719--20122.125010.0510.950.0482.0161).該樓生活用水量為:=2.12L/s,2).沿程水頭損失為:=2.016米3).立管得管管徑為50mmm給水管材采采用鋼管4).計(jì)算時(shí)查表表1.71根據(jù)管徑流流速控制范圍圍:鋼管15—20《1.025—40《1.250—70《1.5》80《1.8坑口綜合樓共三層層屬于低層建建筑消防要求求不高,室內(nèi)內(nèi)采用安裝消消防滅火器該小區(qū)生活給水管管網(wǎng)與室外消消防給水和用用,管網(wǎng)布置置采用環(huán)狀管管網(wǎng),,各給給水點(diǎn)有:坑坑口綜合樓,公公廁,共用澡澡堂,機(jī)修車車間,綜合樓樓,培燒工段段,鉬酸工段段,鍋爐房等等。安最高用水時(shí)流量量為19.559L/s,計(jì)算如后面面的圖所示的的管網(wǎng),節(jié)點(diǎn)點(diǎn)流量見表::節(jié)點(diǎn)流量表節(jié)計(jì)節(jié)點(diǎn)流量1.472.121.892.52.784.4413.3819.58根據(jù)用水情況,擬擬定各管段的的流向如后圖圖所示。按照最短路路線供水原則則,并考慮可可靠性的要求求進(jìn)行流量分分配。這里,流流向節(jié)點(diǎn)的流流量取負(fù)號(hào),離離開節(jié)電的流流量取正號(hào),分分配時(shí)每一節(jié)節(jié)點(diǎn)滿足+=0的條件。干管分配配較多的流量量,如1--3---4--55--6—7,其它管線線分配較少的的流量。因此此得出每一管管段的計(jì)算流流量。計(jì)算表如下:環(huán)數(shù)管段管長(m)管井初步分配流量sqq(L/s)1000ih(m)第一次校正IqIhsq1--323.3515013.117.380.170.0112.566.780.160.013--1111.51004.57.550.090.023.935.760.070.0211--12151003.444.410.070.021.620.980.010.0112--1319100-10.37-0.010.01-2.822.96-0.060.0213--1415.9100-21.49-0.020.01-3.093.56-0.060.0214--110.5100-59.32-0.100.02-5.5511.46-0.120.020.200.090.010.10-1.09-0.03II1--1410.510059.320.100.025.5511.460.120.0214--158410033.350.280.092.462.250.190.0815--168.8100-0.50.090.000.00-1.230.570.000.0016--517.5100-1.50.84-0.010.01-2.231.86-0.030.015--415.15150-6.491.81-0.030.00-6.511.82-0.030.004--32.7150-8.613.18-0.010.00-8.633.20-0.010.003--123.35150-13.17.38-0.170.01-12.566.78-0.160.010.160.14-0.080.14-0.540.29III5--1617.51001.50.840.010.012.231.860.030.0116--158.81000.50.090.000.001.230.570.000.0015--1731.51003.54.560.140.043.695.080.160.0417--715.151000.120.010.000.000.310.040.000.007--62.65100-3.13.58-0.010.00-2.392.12-0.010.006--520100-4.999.28-0.190.04-4.286.81-0.140.03-0.040.090.060.100.19-0.29IIII3--42.71508.613.180.010.008.633.200.010.004--515.151506.491.810.030.006.511.820.030.005--6201004.999.280.190.044.286.810.140.036--72.651003.13.580.010.002.392.120.010.007--824.351003.223.860.090.033.233.880.090.038--9191000.720.190.000.010.650.160.000.009--1053.5100-2.061.58-0.080.04-2.131.69-0.090.0410--1113.2100-1.060.42-0.010.01-2.311.99-0.030.0111--311.5100-4.57.55-0.090.02-3.935.76-0.070.020.150.150.090.14-0.52-0.32V11--1013.21001.060.420.010.012.311.990.030.0110--1345100-10.37-0.020.02-0.270.030.000.0013--121910010.370.010.012.822.960.060.0212--1115100-3.444.41-0.070.02-1.620.98-0.010.01-0.070.050.070.040.73-0.74第二次管網(wǎng)平差校校正管段管長(m)管井第二次校正qIhsq1--323.3515012.256.440.150.013--1111.51004.226.650.080.0211--12151002.332.030.030.0112--1319100-2.111.66-0.030.0113--1415.9100-3.123.63-0.060.0214--110.5100-5.8612.81-0.130.020.030.10-0.1681--1410.51005.8612.810.130.0214--15841002.742.800.240.0915--168.8100-0.660.160.000.0016--517.5100-1.661.03-0.020.015--415.15150-5.901.50-0.020.004--32.7150-8.022.76-0.010.003--123.35150-12.256.44-0.150.010.1700.139-0.6125--1617.51001.661.030.020.0116--158.81000.660.160.000.0015--1731.51003.404.320.140.0417--715.151000.020.000.000.007--62.65100-2.352.06-0.010.006--520100-4.246.70-0.130.030.0160.087-0.0923--42.71508.022.760.010.004--515.151505.901.500.020.005--6201004.246.700.130.036--72.651002.352.060.010.007--824.351002.913.150.080.038--9191000.330.040.000.009--1053.5100-2.452.24-0.120.0510--1113.2100-1.891.33-0.020.0111--311.5100-4.226.65-0.080.020.0330.144-0.11511--1013.21001.891.330.020.0110--1345100-1.010.38-0.020.0213--12191002.111.660.030.0112--1115100-2.332.03-0.030.010.0010.054-0.014第三次管網(wǎng)平差校校正管段管長(m)管井第三次校正qIhsqq1--323.3515012.696.910.160.0112.553--1111.51004.176.480.070.024.0011--12151002.181.770.030.012.0512--1319100-2.261.91-0.040.02-2.3913--1415.9100-3.294.03-0.060.02-3.5314--110.5100-5.4210.94-0.110.02-5.560.050.10-0.2381--1410.51005.4210.940.110.025.5614--15841002.131.690.140.072.0315--168.8100-1.180.520.000.00-1.1416--517.5100-2.181.78-0.030.01-2.145--415.15150-6.401.76-0.030.00-6.444--32.7150-8.523.12-0.010.00-8.563--123.35150-12.696.91-0.160.01-12.550.0250.124-0.1005--1617.51002.181.780.030.012.1416--158.81001.180.520.000.001.1415--1731.51003.314.090.130.043.1717--715.15100-0.070.000.000.00-0.217--62.65100-2.332.02-0.010.00-2.416--520100-4.226.63-0.130.03-4.300.0260.091-0.1453--42.71508.523.120.010.008.564--515.151506.401.760.030.006.445--6201004.226.630.130.034.306--72.651002.332.020.010.002.417--824.351002.792.900.070.032.738--9191000.220.020.000.000.159--1053.5100-2.572.46-0.130.05-2.6310--1113.2100-1.991.48-0.020.01-1.9511--311.5100-4.176.48-0.070.02-4.000.0180.145-0.06411--1013.21001.991.480.020.011.9510--1345100-1.030.39-0.020.02-1.1313--12191002.261.910.040.022.3912--1115100-2.181.77-0.030.01-2.050.0120.055-0.105每一管段的管徑確確定之后即可可求出水力坡坡度,本設(shè)計(jì)計(jì)采用剛勁混混凝土管,利用巴普洛夫斯基基公式:y=2.5-0..13-0..75*(-0.01)當(dāng)n<0.02時(shí),y值可取,因此此得出以下公公式:n=0.013時(shí)時(shí),I=0.0001743**q---流量量,m3/sD—管徑,mm.計(jì)算各管段水力坡坡度。水頭損失采用:hh=I*L,hh=s.計(jì)算時(shí)應(yīng)注意兩環(huán)環(huán)之間的公共共管段,如,1—3,3—4—5—6—7,3—11,11—10,11—12—233,1—14的校正流量量計(jì)算結(jié)果如上表,經(jīng)經(jīng)過三次校正正后,各環(huán)閉閉合差均小于于0.5m,大環(huán)1—14—15—17—7—8—9—10—13—14的閉合差為為:=---+=-0..11-0..14-0..13+0..00-0..07-0..00+0..13+0..02+0..06+0..11=-0..13m小于充許值,可滿滿足要求,生生活給水(不不考慮消防時(shí)時(shí))計(jì)算到次次完成。擬定距離高位水池池較遠(yuǎn)的節(jié)點(diǎn)點(diǎn)9位控制點(diǎn)該該店地面標(biāo)高高480.66m高位水池池地面標(biāo)高4480.0mm所需服務(wù)水水頭要不小于于24m,從高位水池池到控制點(diǎn)的的水頭損失取取9—8—7—17—15—14—1—0和9—10—11—13—14—1—0兩條管線的的平均值安全全水頭損失取取2m,水池水水深取3m,水池處水頭頭損失取2mm.則高位水池水柱高高程:=480..0-4800.6+244+0.088+2+2++3+(0.0155+0.0001-0.001+0.006+0.004+0.004+0.005+0.001+0.002+0.004)/2=30.613m2考慮消防用水時(shí)的的管網(wǎng)計(jì)算::管網(wǎng)核算的條件..管網(wǎng)的管徑徑,按照設(shè)計(jì)年年限內(nèi)最高日日最高時(shí)的用用水量和水壓壓要求決定的的.但是用水量量發(fā)展變化的的為了核算所所訂得管徑和和水壓能否滿滿足不同工作作情況下的要要求,就需進(jìn)行其其它用水條件件下的計(jì)算。以以確保經(jīng)濟(jì)合合理的供水,通通過核算,有有時(shí)需要放大大個(gè)別管段的的管徑。消防時(shí)的管管網(wǎng)核算,是是以最高時(shí)用用水量確定的的管徑為基礎(chǔ)礎(chǔ),然后按最最高用水時(shí)另另行增加消防防時(shí)的流量進(jìn)進(jìn)行流量分配配,求出消防防時(shí)的管段流流量和水頭損損失。計(jì)算時(shí)時(shí)只是在控制制點(diǎn)另新怎加加一個(gè)消防流流量,如按照照消防要求同同時(shí)有兩處失失火時(shí),則可可從經(jīng)濟(jì)和安安全等方面考考慮,將消防防流量已初放放在控制點(diǎn),另另一處放在離離泵站較遠(yuǎn)或或靠近大用戶戶和工業(yè)的節(jié)節(jié)點(diǎn)處。按照上面的要求進(jìn)進(jìn)行管網(wǎng)核算算,1)該礦區(qū)的的生產(chǎn)生活建建筑消防設(shè)計(jì)計(jì)用水量比較較取工廠消防防用水量255L/s并且考慮該礦區(qū)占地面積不不大,且每一個(gè)消消火栓的流量量為10-15LL/s,所以,校方方水量分兩處處分配,一處處放在節(jié)點(diǎn)3處,流量取取15L/s.另一處放在在距離大用戶戶較遠(yuǎn)的控制制點(diǎn)9處進(jìn)行核算算流量為100L/s.在原有的管網(wǎng)條件件核算,管徑徑不變,觀察察是否原有管管徑能否滿足足發(fā)生事故時(shí)時(shí)的要求,計(jì)算過程程如下:節(jié)點(diǎn)流量表節(jié)點(diǎn)1468912161793總計(jì)節(jié)點(diǎn)流量1.472.121.892.52.784.4413.38101544.58進(jìn)行管網(wǎng)平差計(jì)算算:管段的管管徑不變,只只是將消防時(shí)時(shí)的流量加在在事故節(jié)點(diǎn),重重新分配流量量,進(jìn)行管網(wǎng)網(wǎng)計(jì)算。初次分配流量:環(huán)數(shù)管段管長(m)管井初步分配流量sqq(L/s)1000ih(m)I1--323.3515038.0061.991.450.043--1111.51004.005.960.070.0211--12151002.502.330.030.0112--1319100-1.941.40-0.030.0113--1415.9100-3.003.35-0.050.0214--110.5100-5.119.73-0.100.02II1--1410.51005.119.730.100.0214--15841002.111.660.140.0715--168.8100-2.001.49-0.010.0116--517.5100-3.003.35-0.060.025--415.15150-16.8812.23-0.190.014--32.7150-19.0015.50-0.040.003--123.35150-38.0061.99-1.450.04III5--1617.51003.003.350.060.0216--158.81002.001.490.010.0115--1731.51004.116.290.200.0517--715.151000.730.200.000.007--62.65100-11.9953.57-0.140.016--520100-13.8871.79-1.440.10IIII3--42.715019.0015.500.040.004--515.1515016.8812.230.190.015--62010013.8871.791.440.106--72.6510011.9953.570.140.017--824.3510012.7260.291.470.128--91910010.2238.920.740.079--1053.5100-2.562.44-0.130.0510--1113.2100-1.500.84-0.010.0111--311.5100-4.005.96-0.070.02V11--1013.21001.500.840.010.0110--1345100-1.060.42-0.020.0213--12191001.941.400.030.0112--1115100-2.502.33-0.030.01第一次管網(wǎng)校正::管段管長(m)管井第一次管網(wǎng)平差qIhsq1--323.3515036.9358.561.370.043--1111.51003.183.780.040.0111--1215100-3.324.11-0.060.0212--1319100-7.7622.45-0.430.0513--1415.9100-8.6728.01-0.450.0514--110.5100-6.1814.21-0.150.020.330.20-0.8211--1410.51006.1814.210.150.0214--1584100-2.492.32-0.190.0815--168.8100-9.9737.04-0.330.0316--517.5100-10.9744.85-0.780.075--415.15150-16.6311.87-0.180.014--32.7150-18.7515.09-0.040.003--123.35150-36.9358.56-1.370.04-2.740.2565.3505--1617.510010.9744.850.780.0716--158.81009.9737.040.330.0315--1731.51007.4820.830.660.0917--715.151004.106.250.090.027--62.65100-3.775.30-0.010.006--520100-5.6611.94-0.240.041.6090.261-3.0823--42.715018.7515.090.040.004--515.1515016.6311.870.180.015--6201005.6611.940.240.046--72.651003.775.300.010.007--824.351007.8923.210.570.078--9191005.3310.590.200.049--1053.5100-7.4120.48-1.100.1510--1113.2100-6.5115.77-0.210.0311--311.5100-3.183.78-0.040.01-0.1080.3620.14911--1013.21006.5115.770.210.0310--1345100-0.910.31-0.010.0213--12191007.7622.450.430.0512--11151003.324.110.060.02第二次管網(wǎng)平差::管段管長(m)管井第二次管網(wǎng)平差qIhsqq1--323.3515030.7640.620.950.0331.183--1111.51002.211.830.020.013.8211--1215100-1.320.65-0.010.010.0112--1319100-5.7612.35-0.230.04-4.4313--1415.9100-9.4933.57-0.530.06-8.4414--110.5100-12.3556.81-0.600.05-11.93-0.400.191.0491--1410.510012.3556.810.600.0511.9314--15841002.863.040.260.093.4915--168.8100-1.540.88-0.010.01-2.0716--517.5100-2.542.40-0.040.02-3.075--415.15150-11.435.61-0.080.01-10.244--32.7150-13.557.88-0.020.00-12.363--123.35150-30.7640.62-0.950.03-31.18(0.253)0.1990.6355--1617.51002.542.400.040.023.0716--158.81001.540.880.010.012.0715--1731.51004.397.200.230.055.5617--715.151001.010.380.010.012.187--62.65100-7.0018.26-0.050.01-5.276--520100-8.8929.45-0.590.07-7.16-0.3550.1521.1683--42.715013.557.880.020.0012.364--515.1515011.435.610.080.0110.245--6201008.8929.450.590.077.166--72.651007.0018.260.050.015.277--824.351008.0424.100.590.077.488--9191005.4811.190.210.044.929--1053.5100-7.2719.67-1.050.14-7.8210--1113.2100-3.534.65-0.060.02-3.8111--311.5100-2.211.83-0.020.01-3.820.4080.366-0.55911--1013.21003.534.650.060.023.8110--1345100-3.735.20-0.230.06-4.0113--12191005.7612.350.230.044.4312--11151001.320.650.010.01-0.010.0720.128-0.280第三次管網(wǎng)平差::管段管長(m)管井第三次管網(wǎng)平差I(lǐng)hsqq1--323.3515041.730.970.0330.963--1111.51005.440.060.023.8011--12151000.000.000.00-0.0112--13191007.30-0.140.03-4.4513--1415.910026.56-0.420.05-8.2114--110.510053.06-0.560.05-12.15-0.0810.1760.2311--1410.510053.060.560.0512.1514--15841004.540.380.113.9315--168.81001.60-0.010.01-1.4616--517.51003.52-0.060.02-2.465--415.151504.50-0.070.01-10.044--32.71506.55-0.020.00-12.163--123.3515041.73-0.970.03-30.96-0.1970.2220.4445--1617.51003.520.060.022.4616--158.81001.600.010.011.4615--1731.510011.530.360.075.3917--715.151001.770.030.012.017--62.6510010.37-0.030.01-5.696--52010019.13-0.380.05-7.580.0560.163-0.1713--42.71506.550.020.0012.164--515.151504.500.070.0110.045--62010019.130.380.057.586--72.6510010.370.030.015.697--824.3510020.870.510.077.738--9191009.030.170.035.179--1053.510022.81-1.220.16-7.5810--1113.21005.41-0.070.02-3.8211--311.51005.44-0.060.02-3.80-0.1790.3610.24811--1013.21005.410.070.023.8210--13451006.01-0.270.07-3.7613--12191007.300.140.034.4512--11151000.000.000.000.01-0.0600.1170.256第四次管網(wǎng)平差::管段管長(m)管井第四次管網(wǎng)平差I(lǐng)hsqq1--323.3515041.160.960.0331.173--1111.51005.390.060.024.0711--12151000.000.000.000.1512--13191007.39-0.140.03-4.2913--1415.910025.12-0.400.05-7.9414--110.510054.97-0.580.05-11.94-0.0940.1750.2681--1410.510054.970.580.0511.9414--15841005.770.480.124.0015--168.81000.79-0.010.00-1.5516--517.51002.25-0.040.02-2.555--415.151504.33-0.070.01-9.984--32.71506.35-0.020.00-12.103--123.3515041.16-0.960.03-31.17-0.0280.2300.0615--1617.51002.250.040.022.5516--158.81000.790.010.001.5515--1731.510010.830.340.065.5517--715.151001.510.020.012.177--62.6510012.08-0.030.01-5.546--52010021.43-0.430.06-7.43-0.0500.1580.1593--42.71506.350.020.0012.104--515.151504.330.070.019.985--62010021.430.430.067.436--72.6510012.080.030.015.547--824.3510022.270.540.077.748--9191009.960.190.045.179--1053.510021.39-1.140.15-7.5710--1113.21005.43-0.070.02-3.9211--311.51005.39-0.060.02-4.07-0.0030.3630.00411--1013.21005.430.070.023.9210--13451005.26-0.240.06-3.6513--12191007.390.140.034.2912--11151000.000.000.00-0.15-0.0250.1130.1103).由上面的的核算結(jié)果知知,原有的管管網(wǎng)不能滿足足發(fā)生事故后后可以通過流流量的要求,所所以必須改變變?cè)性O(shè)計(jì)管管網(wǎng)的個(gè)別管管段的管徑尺尺寸,通過增增大管徑進(jìn)一一步核算來滿滿足要求。消消防時(shí),事故故點(diǎn)流量增加加的幅度大,一一時(shí)間通過的的流量大,所所經(jīng)管段必須須放大管徑才才能滿足要求求。因此要改改變個(gè)別管徑徑,重新計(jì)算算結(jié)果如下::改變管徑的管網(wǎng)平平差計(jì)算:初次管網(wǎng)平差。環(huán)數(shù)管段管長(m)管井初步分配流量sqq(L/s)1000ih(m)I1--323.3525038.004.070.100.003--1111.51004.005.960.070.0211--12151002.502.330.030.0112--1319100-1.941.40-0.030.0113--1415.9100-3.003.35-0.050.0214--110.5100-5.119.73-0.100.020.020.09-0.10II1--1410.51005.119.730.100.0214--15841002.111.660.140.0715--168.8100-2.001.49-0.010.0116--517.5100-3.003.35-0.060.025--415.15200-16.882.64-0.040.004--32.7200-19.003.34-0.010.003--123.35250-38.004.07-0.100.000.030.12-0.11III5--1617.51003.003.350.060.0216--158.81002.001.490.010.0115--1731.51004.116.290.200.0517--715.151000.730.200.000.007--62.65150-11.996.17-0.020.006--520150-13.888.27-0.170.010.090.09-0.50IIII3--42.720019.003.340.010.004--515.1520016.882.640.040.005--62015013.888.270.170.016--72.6515011.996.170.020.007--824.3515012.726.950.170.018--91915010.224.480.090.019--1053.5100-2.562.44-0.130.0510--1113.2100-1.500.84-0.010.0111--311.5100-4.005.96-0.070.020.270.11-1.21V11--1013.21001.500.840.010.0110--1345100-1.060.42-0.020.0213--12191001.941.400.030.0112--1115100-2.502.33-0.030.01-0.020.050.15第一次管網(wǎng)平差::管段管長(m)管井第一次校正qIhsq1--323.3525037.613.990.090.003--1111.51005.6511.890.140.0211--12151002.291.960.030.0112--1319100-2.151.72-0.030.0213--1415.9100-3.334.14-0.070.0214--110.5100-5.5011.27-0.120.020.040.10-0.2211--1410.51005.5011.270.120.0214--15841002.161.750.150.0715--168.8100-1.170.510.000.0016--517.5100-2.171.76-0.030.015--415.15200-14.842.04-0.030.004--32.7200-16.962.67-0.010.003--123.35250-37.613.99-0.090.000.100.112-0.4385--1617.51002.171.760.030.0116--158.81001.170.510.000.0015--1731.51003.344.150.130.0417--715.15100-0.040.000.000.007--62.65150-10.784.99-0.010.006--520150-12.676.89-0.140.010.0150.070-0.1083--42.720016.962.670.010.004--515.1520014.842.040.030.005--62015013.387.690.150.016--72.6515010.784.990.010.007--824.3515011.986.160.150.018--9191509.413.800.070.019--1053.5100-3.354.17-0.220.0710--1113.2100-3.364.20-0.060.0211--311.5100-5.6511.89-0.140.020.0120.143-0.04211--1013.21003.364.200.060.0210--1345100-1.190.53-0.020.0213--12191002.151.720.030.0212--1115100-2.291.96-0.030.010.0350.064-0.271第二次管網(wǎng)平差::管段管長(m)管井第二次校正qIhsq1--323.3525037.834.040.090.003--1111.51005.4711.150.130.0211--12151002.342.050.030.0112--1319100-2.101.64-0.030.0113--1415.9100-3.564.71-0.070.0214--110.5100-5.2810.40-0.110.020.040.10-0.1981--1410.51005.2810.400.110.0214--15841001.731.110.090.0515--168.8100-1.500.84-0.010.0016--517.5100-2.502.34-0.040.025--415.15200-15.242.15-0.030.004--32.7200-17.362.79-0.010.003--123.35250-37.834.04-0.090.000.0200.101-0.0985--1617.51002.502.340.040.0216--158.81001.500.840.010.0015--1731.51003.233.890.120.0417--715.15100-0.150.010.000.007--62.65150-10.855.05-0.010.006--520150-12.746.96-0.140.010.0180.072-0.1243--42.720017.362.790.010.004--515.1520015.242.150.030.005--62015013.457.770.160.016--72.6515010.855.050.010.007--824.3515011.936.110.150.018--9191509.373.770.070.019--1053.5100-3.394.28-0.230.0710--1113.2100-3.133.64-0.050.0211--311.5100-5.4711.15-0.130.020.0240.142-0.08511--1013.21003.133.640.050.0210--1345100-1.460.79-0.040.0213--12191002.101.640.030.0112--1115100-2.342.05-0.030.010.0130.068-0.094第三次管網(wǎng)平差::管段管長(m)管井第三次校正Ihsqq1--323.352504.010.090.0037.743--1111.510010.690.120.025.3411--12151001.870.030.012.2712--13191001.80-0.030.02-2.1713--1415.91005.25-0.080.02-3.8214--110.510010.79-0.110.02-5.370.0140.097-0.0701--1410.510010.790.110.025.3714--15841000.990.080.051.5515--168.81000.81-0.010.00-1.5116--517.51002.29-0.040.02-2.515--415.152002.15-0.030.00-15.274--32.72002.80-0.010.00-17.393--123.352504.01-0.090.00-37.740.0150.098-0.0785--1617.51002.290.040.022.5116--158.81000.810.010.001.5115--1731.51003.590.110.043.0617--715.151000.030.000.00-0.327--62.651505.09-0.010.00-10.876--5201507.01-0.140.01-12.760.0060.071-0.0453--42.72002.800.010.0017.394--515.152002.150.030.0015.275--6201507.810.160.0113.486--72.651505.090.010.0010.877--824.351506.030.150.0111.798--9191503.700.070.019.239--1053.51004.50-0.240.07-3.5310--1113.21003.62-0.050.02-3.0711--311.510010.69-0.120.02-5.340.0160.143-0.05511--1013.21003.620.050.023.0710--13451000.90-0.040.03-1.6513--12191001.800.030.022.1712--11151001.87-0.030.01-2.270.0140.069-0.098第四次管網(wǎng)平差::管段管長(m)管井第四次校正Ihsqq1--323.352504.020.090.0037.703--1111.510010.630.120.025.3111--12151001.920.030.012.2512--13191001.76-0.030.02-2.1913--1415.91005.45-0.090.02-3.8814--110.510010.76-0.110.02-5.410.0120.097-0.0601--1410.510010.760.110.025.4114--15841000.900.080.051.5215--168.81000.85-0.010.00-1.5116--517.51002.35-0.040.02-2.515--415.152002.16-0.030.00-15.284--32.72002.80-0.010.00-17.403--123.352504.02-0.090.00-37.700.0060.096-0.0295--1617.51002.350.040.022.5116--158.81000.850.010.001.5115--1731.51003.490.110.043.0317--715.151000.040.000.00-0.357--62.651505.08-0.010.00-10.886--5201506.99-0.140.01-12.770.0050.071-0.0323--42.72002.800.010.0017.404--515.152002.160.030.0015.285--6201507.800.160.0113.486--72.651505.080.010.0010.887--824.351505.970.150.0111.778--9191503.660.070.019.219--1053.51004.64-0.250.07-3.5610--1113.21003.52-0.050.02-3.0611--311.510010.63-0.120.02-5.310.0080.144-0.02711--1013.21003.520.050.023.0610--13451001.02-0.050.03-1.6913--12191001.760.030.022.1912--11151001.92-0.030.01-2.250.0050.071-0.039消防時(shí):計(jì)算結(jié)果如上表,經(jīng)經(jīng)過四次校正正后,各環(huán)閉閉合差均小于于0.5m,大環(huán)1—14—15—17—7—8—9—10—13—14的閉合差為為:=---+=-0.111-0.008-0.111+0.000-0.115-0.007+0.225+0.005+0.009+0.111=-0.002m滿足要求。從高位水池到管網(wǎng)網(wǎng)設(shè)兩條引入入管,每條計(jì)算流流量為0.5*444.58==22.2995L/s,選定管徑為為200mmm*10.99*2=0..08m消防時(shí)控制點(diǎn)9所所需的服務(wù)水水頭為10mm,從高位水水池到9點(diǎn)的水頭損損失取9—8—7—17—15—14—1—0和8—10—11—13—14—1—0兩條干管的的平均值取水水管和高位水水池內(nèi)的水頭頭損失取2mm,安全水頭取取2m,水池水水深取3m.則消防時(shí)高高位水池水柱柱高度為:=480..0-4800.6+(0.07++0.15--0.08++0.11++0.08++0.0111+0.255+0.055+0.099+0.111)+0.088+2+2++3+10=16.995m<經(jīng)過核算,按最最高用水是確確定的高位水水池所提供給給的水柱高度度能夠滿足消消防時(shí)的需要要。計(jì)算各節(jié)點(diǎn)水壓見下表,控控制點(diǎn)要求的的自由水壓為為24m生活給水節(jié)點(diǎn)水壓壓計(jì)算節(jié)點(diǎn)節(jié)點(diǎn)地面標(biāo)高/mm水頭損失/m節(jié)電水壓/m節(jié)點(diǎn)自由水壓/mm04800.04504.5724.571479.890.015504.5724.683480.20.004504.6624.464480.230.013504.6624.435480.40.052504.6524.256480.50.004504.624.17480.60.015504.6248480.480.001504.5924.119480.30.05504.5924.29104800.02504.6424.6411480.1-0.03504.6424.5412480.050.023504.5824.5313479.80.02504.624.814479.80.036504.6224.8215480.250.06504.6524.416480.3-0.026504.6224.3217480.55-0.08504.5924.044)。室外消火栓給給水系統(tǒng)(1)室外消火栓給水系系統(tǒng)是設(shè)置在在建筑物外銷銷房給水管網(wǎng)網(wǎng)的供水設(shè)備備,其由室外外消火栓,室室外廂房給水水管網(wǎng),廂房房水源組成,火火災(zāi)時(shí)向消防防車供水或直直接接出水袋袋,水槍滅火火。設(shè)計(jì)要求。室外消消火栓應(yīng)眼消消防車到靠建建筑側(cè)均勻布布置,切不能能集中在建筑筑的一側(cè),其其間距不能大大于120mm,保護(hù)半徑不不應(yīng)大于1550m,距離離建筑物外墻墻不少于5mm且不大于400m,距離路邊不不宜大于2mm.建筑室外的消火栓栓的數(shù)量因肝肝室外消防用用水經(jīng)計(jì)算確確定,每個(gè)消消火栓的用水水量按照10-12LL/s計(jì)算。消防車吸水管的長長度為3-4m,應(yīng)能能直接從消火火栓取水。消消火栓布置應(yīng)應(yīng)避免消防車車碾壓水帶,周周圍一固有消消防員操作的的場地室外消防給水管網(wǎng)網(wǎng)進(jìn)水管數(shù)量量不以少于2條,并宜從從不同的方向向引水。管網(wǎng)宜布置成環(huán)狀狀,室外消防防給水管網(wǎng)應(yīng)應(yīng)設(shè)閥門,閥閥門布置音干干管網(wǎng)連接點(diǎn)點(diǎn)的管道數(shù)減減1的原則布置置江管網(wǎng)分割割成若干獨(dú)立立的管段,用用于控制水源源和保證管網(wǎng)網(wǎng)中幕一管段段維修或故障障時(shí)其余管段段仍能通水并并且正常工作作。建筑物室外消防給給水管到的管管徑不應(yīng)小于于DN1000.室外消防管道的敷敷設(shè)應(yīng)符合現(xiàn)現(xiàn)行國家標(biāo)準(zhǔn)準(zhǔn)GBJ13《詩外給水水設(shè)計(jì)規(guī)范》的的規(guī)定,應(yīng)根根據(jù)具體情況況設(shè)置閥門井井和放水,通通氣設(shè)備。(2).根據(jù)以上要求進(jìn)行行室外管網(wǎng)布布置,該小區(qū)由由于消防要求求不高為了經(jīng)經(jīng)濟(jì)合理不管管采用生活給給水與消防給給水合用給水水方式整個(gè)小小區(qū)建筑物屬屬于低層,不不必專設(shè)加壓壓泵站所需水水壓有小區(qū)內(nèi)內(nèi)的高位生活活水池提供。(3).室外消防給水系統(tǒng)統(tǒng)。室外高壓消防給水水系統(tǒng)管網(wǎng)內(nèi)內(nèi)經(jīng)常維持足足夠高的水壓壓,火災(zāi)滅火火時(shí)不需使用用消防車或其其它移動(dòng)式消消防水泵加壓壓而直接由消消火栓接出水水帶,水槍滅滅火。根據(jù)實(shí)踐為有效的的撲滅火災(zāi)和和保證消防人人員安全在生生活和消防和和用水量為最最大且水槍布布置在保護(hù)范范圍內(nèi)建筑物物最高處時(shí)水水槍的充實(shí)水水煮不應(yīng)小于于10m.在計(jì)算壓力時(shí)應(yīng)采采用口徑為665mm,水帶長度為為120m(6條20m長的水水帶)的棉綸綸或襯膠水帶帶和噴嘴為119mm的水水槍,美之水水墻的流量不不小于5L/s.從水池到管網(wǎng)的輸輸水管線0-1兩條,每條條計(jì)算流量為為22.299L/s,選定管徑徑200mmm,水頭損失為為0.08mm高位水池的高度由由距水池較遠(yuǎn)遠(yuǎn)的控制點(diǎn)9確定,該店店地面標(biāo)高為為480.33m。高位水水池地面標(biāo)高高為480..0m,所需需服務(wù)水頭取取24m.則高位水池高度為為:=30.6113m.取31m因此:高位水池高高度為31mm,水池容積積為=1872..3m3取2000m33.可確定該小區(qū)管網(wǎng)布置最最終要以消防防時(shí)正常工作作時(shí)的管徑定定線布管,就就是由最后核核算結(jié)果確定定。生產(chǎn)用水計(jì)算:1).生產(chǎn)用水量確定。該礦區(qū)生產(chǎn)用水的的混濁度要求求較低,主要要用于清洗芒芒硝礦且與生生活給水系統(tǒng)統(tǒng)分別共應(yīng)。生產(chǎn)用水野在礦區(qū)區(qū)設(shè)用專門的的生產(chǎn)高位水水池用于供應(yīng)應(yīng)培燒工段,鉬鉬酸胺工段,空空壓機(jī)房,循循環(huán)水泵房。各部分用水量為::(1).焙燒工段:生產(chǎn)給給水最大時(shí)流流量12m3/h,工作制度度為3班,每班3小時(shí)。(2).鉬酸銨銨工段:生產(chǎn)產(chǎn)給水最大時(shí)時(shí)流量23mm3/h;工作制度度為3班,每班6小時(shí)(3).空壓機(jī)機(jī)房水泵四臺(tái)三三用一備,每每臺(tái)最大時(shí)流流量為:4..8m3/h生產(chǎn)給水設(shè)計(jì)流量量計(jì)算公式::設(shè)計(jì)日流量為:==*(m3/d))設(shè)計(jì)秒流量為:(L/s)車間名稱班數(shù)每班時(shí)數(shù)最大時(shí)流量m3//h最大秒流量L/ss給水日流量m3//d培燒工段33121.25108穆酸胺工段36234.79414空壓機(jī)房12414.44345.6副口井18551.39444061.435307.64).用上面的的計(jì)算,設(shè)計(jì)計(jì)最高日生產(chǎn)產(chǎn)用水量為::61.433L/s。生產(chǎn)日用用水量為:55307.66m3/d得生產(chǎn)水池容積為為=5307..6m3,取55000m35).生產(chǎn)給水采用枝狀狀管網(wǎng)布置,進(jìn)進(jìn)行水力計(jì)算算布管線在圖上測測量個(gè)管段管管長,管段總總長度為:=77.36m,其其中生產(chǎn)水池池0節(jié)點(diǎn)到管網(wǎng)1節(jié)點(diǎn)管段兩兩側(cè)無用水點(diǎn)點(diǎn)。6).對(duì)各用水點(diǎn)編號(hào),0,1,2,3,4,5,6,7根據(jù)管線及管徑界界限流量選定定管徑,用此此水利計(jì)算確確定管線的水水頭損失本設(shè)計(jì)生產(chǎn)給水?dāng)M擬采用鋼筋混混凝土管依據(jù)巴普洛夫斯基基公式計(jì)算,單單位水頭損失失為:取n=0.013,,管段編號(hào)管長m流量L/s管徑mm每米水損10000I水損m0--13.0961.433004.0270.0121--211.0360.183003.8650.0432--334.9655.393003.2740.1143--412.1151.393002.8180.0341--56.681.251000.5820.042--67.174.791008.5500.0613--72.3241005.9620.014總計(jì)77.360.2837).礦區(qū)生產(chǎn)給水采用用樹狀管網(wǎng)布布置,控制點(diǎn)點(diǎn)選在離高位位水池最遠(yuǎn)的的節(jié)點(diǎn)4,且控制點(diǎn)點(diǎn)的水珠高度度取32m,各管段的水水力計(jì)算見上上表,管徑按按界限流量確確定。8).干管上個(gè)節(jié)點(diǎn)的水水壓標(biāo)高,節(jié)點(diǎn)4480..25+322=512..25m節(jié)點(diǎn)3512..25+0..034=5512.2884節(jié)點(diǎn)2512..284+00.114==512.3398m節(jié)點(diǎn)1512..398+00.04366=512..441m各支線充許的水力力坡度為:==0.006參照水力坡度和流流量選定管徑
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