1、西南林業(yè)大學(xué)土木工程學(xué)院消防給水工程課程設(shè)計(jì)報(bào)告題 目 德宏駐昆辦自動(dòng)噴水滅火系統(tǒng)設(shè)計(jì) 學(xué) 院 土木工程學(xué)院 班 級(jí) 消防工程2013級(jí) 姓 名 繆 也 學(xué) 號(hào) 2013* 指導(dǎo)教師 羅 * 老師 德宏駐昆辦自動(dòng)噴水滅火系統(tǒng)設(shè)計(jì)說明書1. 建筑特征此建筑一共8層，除首層為4.0m，其它層均為3.5m，建筑總高度為28.5m，一層面積約1200m²，其它層均小于1000m²，應(yīng)屬于二類高層民用公共建筑。該建筑1至3層為辦公、娛樂、餐飲場所，4層以上為住宿房間，建筑整體火災(zāi)危險(xiǎn)性劃分為中危險(xiǎn)一級(jí)；該地區(qū)常年平均氣溫為15-22，冬季無供暖。 此設(shè)計(jì)為整棟樓共8層自動(dòng)噴水滅火系統(tǒng)

2、布置平面圖，以及整棟樓噴灑系統(tǒng)圖。2系統(tǒng)選型根據(jù)建筑設(shè)計(jì)防火規(guī)范（GB50016-2014）該建筑場所應(yīng)設(shè)置自動(dòng)噴水滅火系統(tǒng)，綜合該建筑的結(jié)構(gòu)和用途、系統(tǒng)的控火率和滅火速度以及設(shè)計(jì)的簡便性，得出該建筑應(yīng)在其公共活動(dòng)用房、走道、辦公室、餐廳、KTV等處采用濕式自動(dòng)噴水滅火系統(tǒng)。3 水力計(jì)算3.1 自動(dòng)噴水滅火系統(tǒng)設(shè)計(jì)參數(shù)該建筑為中危險(xiǎn)一級(jí)，凈空高度小于8m，根據(jù)水噴霧滅火系統(tǒng)設(shè)計(jì)規(guī)范（GB50084-2001）表5.0.1可確定其噴水強(qiáng)度應(yīng)為4L/(min·m²)，作用面積160 m²，系統(tǒng)最不利點(diǎn)噴頭的工作壓力不低于0.05MPa3.2 噴頭選型與設(shè)置要求對于濕式

3、自動(dòng)噴水滅火系統(tǒng)，當(dāng)在吊頂下布置噴頭時(shí)，此處采用的是下垂型噴頭，其公稱溫度高于環(huán)境溫度30，因?yàn)榄h(huán)境最高溫度是38，公稱溫度應(yīng)為58。 噴水強(qiáng)度/L/(min·m²)正方形布置的邊長/m矩形或平行四邊形長邊的邊長/m一只噴頭的最大保護(hù)面積/m²噴頭與端墻的最大距離/m44.44.520.02.263.64.012.51.883.43.611.51.7123.03.69.01.5表3.2.1同一根配水管上噴頭的間距及相鄰配水支管的間距根據(jù)上表可得此處正方形布置的邊長為3.6m，一只噴頭的最大保護(hù)面積為20.0m²，噴頭與端墻的最大距離為1.8m。3.3 噴

4、頭布置每個(gè)噴頭的流量應(yīng)按下式計(jì)算：q=K10p(其中K=80,p為0.05MPa) =0.943L/s =80L/min噴頭的布置間距d=qqu (其中q=80L/min,qu=6L/(min·m²) =3.6m所以按表3.2.1應(yīng)該采取正方形布置噴頭，其邊長為3.6m，噴頭與端墻的最大距離1.8m，最小為0.6m。表3.3.1 需要設(shè)置自動(dòng)噴水滅火系統(tǒng)的房間及走廊尺寸房間或走廊長/mm寬/mm中餐廳1980015200廚房150007440旅行社75006800大廳170007950電梯廳75007200茶吧95007600超市40503000水泵房50003600消防控

5、制室40003750衛(wèi)生間60003800KTV包房7200720007200360050004990儲(chǔ)藏室28002800電梯間75007200休息大廳18807200桑拿水區(qū)11307200室內(nèi)茶吧54002800鍋爐房75007200會(huì)議室72006800活動(dòng)室128007500二層走廊51800300三層走廊22500300四層及以上走廊52600300八層走廊37500300*只列出部分設(shè)置位置根據(jù)以上數(shù)據(jù)對管線進(jìn)行繪制并設(shè)置噴頭。3.4 作用面積選定通過噴淋計(jì)算找出系統(tǒng)最不利點(diǎn)，作用面積包括最不利點(diǎn)，約為168m²，盡可能為正方形，然后對各參數(shù)進(jìn)行計(jì)算。3.5 流速計(jì)算

6、式中：Q - 管段流量L/s Dj -管道的計(jì)算內(nèi)徑（m） 3.6 每米管道的水頭損失： 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），取值應(yīng)按管道的內(nèi)徑減mm確定3.7 沿程水頭損失： 式中：L - 管段長度m3.8 局部損失（采用當(dāng)量長度法）： (當(dāng)量) 式中：L(當(dāng)量) - 管段當(dāng)量長度，單位m(自動(dòng)噴水滅火系統(tǒng)設(shè)計(jì)規(guī)范附錄C)3.9 總損失： 3.10 終點(diǎn)壓力： 4對每一層的各個(gè)參數(shù)進(jìn)行計(jì)算4.1 第一層 管段名稱起點(diǎn)壓力mH2O管道流量L/s管長m當(dāng)量長度管徑mmK水力坡降mH2O/m流速m/s損失mH2O終

7、點(diǎn)壓力mH2O1-27.001.113.050.8025800.5392.092.079.072-39.072.383.051.8032800.5302.512.5711.643-411.643.810.892.1032801.3614.024.0715.7220-414.881.622.161.2032800.2461.710.8315.704-515.725.433.353.6050800.3272.562.2717.9921-227.881.183.050.8025800.6062.222.3310.2122-2310.212.523.051.8032800.5962.662.8913.

8、1023-513.104.040.892.3032801.5314.264.8917.9924-516.951.732.161.4032800.2801.821.0017.955-617.9911.203.354.3065800.3633.182.7720.7625-269.081.273.050.8025800.6992.382.6911.7726-2711.772.713.051.8032800.6872.853.3315.1027-615.104.340.892.3032801.7654.575.6420.7428-619.581.862.161.4032800.3241.961.152

9、0.736-720.7617.403.354.6080800.3533.502.8123.5729-3010.341.353.050.8025800.7962.543.0613.4030-3113.402.893.051.8032800.7823.043.7917.1931-717.194.630.892.3032802.0104.886.4223.6132-722.261.982.161.4032800.3682.091.3123.577-823.5724.013.354.6080800.6734.845.3528.9233-3412.661.493.050.8025800.9752.813

10、.7516.4134-3516.413.203.051.8032800.9583.374.6521.0635-821.065.120.892.3032802.4625.407.8628.9236-827.342.202.161.4032800.4522.321.6128.958-928.9231.333.354.6080801.1466.319.1138.039-1038.0331.332.760.0080801.1466.313.1741.1910-1141.1931.336.715.60150800.0331.660.4141.6011-1241.6031.336.220.00100800

11、.2623.621.6343.2312-1343.2331.331.763.10100800.2623.621.2844.5113-1444.5131.331.630.00100800.2623.620.4344.9414-1544.9431.334.950.80100800.2623.621.5146.4415-1646.4431.333.784.6080801.1466.319.6056.0416-1756.0431.332.494.6080801.1466.318.1264.1717-1864.1731.332.980.0080801.1466.313.4267.5818-1967.58

12、31.333.180.0080801.1466.313.6471.22計(jì)算結(jié)果如下：所選作用面積:168.4平方米總流量:31.33 L/s平均噴水強(qiáng)度:11.16 L/min.平方米入口壓力:71.22 米水柱4.2 第二層管段名稱起點(diǎn)壓力mH2O管道流量L/s管長m當(dāng)量長度管徑mmK水力坡降mH2O/m流速m/s損失mH2O終點(diǎn)壓力mH2O1-27.001.111.240.8025800.5392.091.108.1027-27.001.111.210.8025800.5392.091.088.082-38.102.223.352.1032800.4632.342.5210.6228-39

13、.301.281.240.6025800.7162.411.3210.6129-39.301.281.210.6025800.7162.411.3010.593-410.624.780.812.4040801.0183.813.2713.894-513.894.783.741.5040801.0183.815.3419.225-619.226.631.783.1050800.4863.122.3721.606-721.608.582.423.6050800.8154.044.9026.5030-3112.811.501.380.8025800.9862.832.1614.9734-3113.6

14、71.550.470.8025801.0522.931.3315.0031-3214.973.061.752.1032800.8763.223.3718.3435-3615.971.680.770.8025801.2293.161.9317.9036-3217.901.681.450.3032800.2641.770.4618.3632-3318.344.733.152.7040800.9973.775.8424.1833-724.186.800.963.6050800.5123.202.3326.5137-722.201.981.890.6025801.7093.734.2626.467-8

15、26.5017.361.934.3065800.8714.925.4331.9338-3922.261.981.960.8025801.7133.734.7326.9939-4026.991.982.710.3032800.3682.091.1128.0940-828.094.211.893.0040800.7883.353.8531.9541-828.002.220.960.6025802.1554.193.3631.368-931.9323.793.364.6080800.6614.795.2637.199-1037.1923.792.370.0080800.6614.791.5738.7

16、510-1138.7523.791.990.0080800.6614.791.3140.0611-1240.0623.793.600.0080800.6614.792.3842.4412-1342.4423.791.680.0080800.6614.791.1143.5513-1443.5523.792.874.6080800.6614.794.9348.4914-1548.4923.794.910.8080800.6614.793.7752.2615-1652.2623.791.750.00100800.1512.750.2652.5216-1752.5223.793.600.0010080

17、0.1512.750.5453.0717-1853.0723.793.700.00100800.1512.750.5653.6318-1953.6323.791.150.00100800.1512.750.1753.8019-2053.8023.793.600.00100800.1512.750.5454.3442-4330.892.333.660.6025802.3784.4010.1341.0243-4441.025.023.052.7040801.1234.006.4647.4745-4628.002.221.920.6025802.1554.195.4333.4346-4433.432

18、.224.000.3040800.2201.770.9534.3744-2047.4710.141.703.9050801.1394.776.3753.8520-2154.3433.930.626.10100800.3083.922.0756.4121-2256.4133.931.716.10100800.3083.922.4058.8122-2358.8133.932.250.00100800.3083.920.6959.5123-2459.5133.930.996.10100800.3083.922.1861.6924-2561.6933.931.720.00100800.3083.920

19、.5362.2225-2662.2233.934.150.00100800.3083.921.2863.49計(jì)算結(jié)果:所選作用面積:167.4平方米總流量:33.93 L/s平均噴水強(qiáng)度:12.16 L/min.平方米入口壓力:63.49 米水柱4.3 第三層管段名稱起點(diǎn)壓力mH2O管道流量L/s管長m當(dāng)量長度管徑mmK水力坡降mH2O/m流速m/s損失mH2O終點(diǎn)壓力mH2O1-27.001.113.000.8025800.5392.092.059.052-39.052.373.001.8032800.5292.502.5411.593-411.593.800.902.1032801.357

20、4.014.0815.6631-414.881.622.101.2032800.2461.710.8115.694-515.665.423.103.6050800.3262.552.1817.8532-337.821.173.000.8025800.6022.212.2910.1133-3410.112.513.001.8032800.5912.652.8412.9434-512.944.020.902.3032801.5164.244.8617.8035-516.841.722.101.4032800.2791.820.9717.825-617.8511.173.104.3065800.36

21、13.172.6720.5136-379.021.263.000.8025800.6952.382.6411.6637-3811.662.703.001.8032800.6822.843.2714.9338-614.934.320.902.3032801.7504.555.6020.5439-619.361.852.101.4032800.3201.951.1220.486-720.5117.342.604.6080800.3513.492.5323.0440-4115.041.632.400.8025801.1583.073.7018.7441-718.743.451.562.3032801

22、.1143.634.3123.0542-4318.591.812.500.9032800.3081.911.0519.6443-719.643.670.412.3032801.2653.873.4223.067-823.0424.464.005.4080800.6984.936.5629.6044-4517.441.752.040.9032800.2891.850.8518.2948-4515.421.651.600.8025801.1873.112.8518.2745-4618.293.401.262.1032801.0863.593.6521.9446-4721.945.371.242.7

23、040801.2834.275.0627.0049-4723.082.021.600.6025801.7763.803.9126.9947-827.007.390.413.9050800.6053.482.6029.608-929.6031.841.566.10100800.2713.682.0831.6850-927.132.191.600.6025802.0884.124.5931.729-1031.6834.030.226.10100800.3093.931.9533.6310-1133.6336.472.186.10100800.3554.212.9436.5851-1128.002.

24、221.600.6025802.1554.194.7432.7411-1236.5838.690.996.10100800.4004.472.8439.4212-1339.4241.330.407.20100800.4564.773.4742.8852-1328.002.222.050.6025802.1554.195.7133.7113-1442.8843.551.357.60125800.1633.281.4644.3514-1544.3543.551.050.00125800.1633.280.1744.5215-1644.5243.550.500.00125800.1633.280.0

25、844.6016-1744.6043.550.837.60125800.1633.281.3845.9817-1845.9843.552.400.00125800.1633.280.3946.3718-1946.3743.550.270.00125800.1633.280.0446.4119-2046.4143.551.037.60125800.1633.281.4147.8220-2147.8243.552.060.00125800.1633.280.3448.1621-2248.1643.550.347.60125800.1633.281.3049.4622-2349.4643.551.9

26、70.00125800.1633.280.3249.7823-2449.7843.550.990.00125800.1633.280.1649.9424-2549.9443.552.017.60125800.1633.281.5751.5125-2651.5143.551.290.00125800.1633.280.2151.7253-5428.002.223.350.8025802.1554.198.9436.9454-5536.942.221.862.1032800.4632.341.8438.7855-5638.782.220.680.0040800.2201.770.1538.9356

27、-5738.932.2216.201.7040800.2201.773.9342.8657-5842.862.221.320.6065800.0140.630.0342.8958-5942.892.223.001.3080800.0060.450.0242.9159-6042.912.222.720.00150800.0000.120.0042.9160-6142.912.222.389.20150800.0000.120.0042.9261-2642.922.220.811.30150800.0000.120.0042.9226-2751.7245.772.187.60125800.1813

28、.451.7653.4927-2853.4945.772.097.60125800.1813.451.7555.2428-2955.2445.770.617.60125800.1813.451.4856.7229-3056.7245.774.860.00125800.1813.450.8857.60計(jì)算結(jié)果:所選作用面積:168.9平方米總流量:45.77 L/s平均噴水強(qiáng)度:16.26 L/min.平方米入口壓力:57.60 米水柱4.4 第四到七層管段名稱起點(diǎn)壓力mH2O管道流量L/s管長m當(dāng)量長度管徑mmK水力坡降mH2O/m流速m/s損失mH2O終點(diǎn)壓力mH2O1-27.001.111

29、.540.8025800.5392.091.268.2621-27.331.140.860.8025800.5642.140.948.272-38.262.253.702.1032800.4742.372.7511.0122-39.521.301.490.6025800.7322.441.5311.0423-39.841.320.960.6025800.7582.481.1811.033-411.014.862.362.7040801.0523.875.3216.3324-257.301.131.640.8025800.5622.141.378.6727-257.771.170.760.802

30、5800.5982.200.938.7025-268.672.314.102.1032800.4982.433.0911.7628-2610.061.331.540.6025800.7752.511.6611.7229-2610.611.370.860.6025800.8172.581.1911.8026-411.765.011.392.7040801.1153.984.5616.324-516.339.876.353.6050801.0784.6510.7327.0630-3115.911.683.400.8025801.2253.165.1421.0631-521.063.602.642.

31、3032801.2173.806.0227.085-627.0613.470.763.7065800.5243.822.3429.396-729.3915.750.444.3065800.7174.473.4032.797-832.7915.752.960.0080800.2903.170.8633.658-933.6518.183.404.6080800.3863.663.0936.749-1036.7420.733.404.6080800.5024.184.0140.7510-1140.7520.731.704.6080800.5024.183.1643.9111-1243.9120.73

32、1.700.0080800.5024.180.8544.7612-1344.7620.731.445.4080800.5024.183.4348.2013-1448.2020.731.960.00100800.1152.390.2248.4214-1548.4220.733.406.10100800.1152.391.0949.5115-1649.5120.733.606.10100800.1152.391.1150.6316-1750.6320.733.206.10100800.1152.391.0751.6917-1851.6920.733.786.10100800.1152.391.13

33、52.8318-1952.8320.733.027.20100800.1152.391.1754.0019-2054.0020.733.407.60125800.0371.560.4154.41計(jì)算結(jié)果:所選作用面積:167.0平方米總流量:20.73 L/s平均噴水強(qiáng)度:7.45 L/min.平方米入口壓力:54.41 米水柱4.5 第八層管段名稱起點(diǎn)壓力mH2O管道流量L/s管長m當(dāng)量長度管徑mmK水力坡降mH2O/m流速m/s損失mH2O終點(diǎn)壓力mH2O1-27.001.112.650.8025800.5392.091.868.862-38.862.360.591.8032800.523

34、2.491.2510.1126-38.311.212.060.8025800.6402.281.8310.143-410.113.573.452.1032801.1973.776.6516.764-516.765.290.442.9040801.2464.214.1520.9127-288.931.262.450.8025800.6872.362.2311.1630-288.971.262.450.8025800.6902.372.2411.2128-2911.163.922.402.1032801.4384.136.4717.6431-2914.271.592.450.6025801.099

35、2.993.3517.6229-517.647.272.013.6050800.5853.423.2820.925-620.9112.562.813.7065800.4563.562.9723.886-723.8814.612.424.3065800.6174.144.1428.0232-3323.732.050.650.8025801.8273.852.6526.3833-726.382.053.700.5032800.3932.161.6528.0334-724.942.100.980.6025801.9203.953.0427.987-828.0218.754.214.6080800.4113.783.6231.6435-827.672.211.250.6025802.1304.163.9431.618-931.6420.961.154.6080800.5134.222.9534.599-1034.5923.430.175.4080800.6414.723.5738.1736-1028.002.222