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ss-镇江南徐新城商务办公a区ai酒店给排水计算书

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'镇江南徐新城商务办公A区工程编号S0927工程名称镇江南徐新城商务办公A区子项名称A1酒店给排水计算书(共1册第1册)本册共21页计算人庞志泉校对人路文丽工种负责人庞志泉审核人孙兵上海中森建筑与工程设计顾问有限公司中国建筑设计研究院(上海)镇江市规划设计研究院2010年3月31日21 镇江南徐新城商务办公A区项目由五部分组成:A1—四星级酒店;A2—财政局办公楼;A3—食品药品质量检测办公楼;A4—检验检疫局综合实验办公楼;A5—国土局办公楼。本子项为A1酒店,战时由人防院设计。一、生活给水系统1.本工程水源为城市自来水,供水最低保证给水压力0.20MPa(待核实)。2.给水系统:地下车库冲洗由雨水回用水供给;冷却塔、泳池、制冷机房补水由专用变频泵组供水,地下一层~五层功能房间由由变频泵组供水,酒店客房部分由提升水泵加压至各自屋顶水箱后分区重力供水,屋顶压力不足楼层由屋顶变频泵组供水。酒店部分分三个区:十七~二十一层由屋顶水箱经变频供水机组加压后供水,十二~十六层由屋顶水箱供水,七~十一层由屋顶水箱经减压阀一次减压后供水。1、服务人数:酒店客房:224套,共458人酒店餐饮:1120席位酒店洗衣房每日洗衣量:G=323x120/25+(1120/100)x15=1718.4kg/d2、生活用水量计算A1给水用水量计算表序号用水项目名称用水规模数量用水量定额单位小时变化系数使用时间用水量备注最高日最大时平均时人或kg或m2Khhm3/dm3/hm3/h1酒店旅客458400L/(人·d)2.0024183.2015.277.63223房*2人+总统套房12人2宴会厅顾客129640L/(人·次)1.201651.843.893.242人/座/d3中餐顾客92840L/(人·次)1.201237.123.713.094人/座/d4西餐顾客80025L/(人·次)1.201620.001.501.254人/座/d5咖啡顾客16015L/(人·次)1.20182.400.160.134人/座/d6健体中心顾客12050L/(人·次)1.20126.004.290.5060人*2次/d7KTV顾客21015L/(人·次)1.20123.150.320.263人/座/d8员工生活417100L/(人·d)2.002441.706.851.74 9员工餐饮83425L/(人·d)2.001620.852.611.302次/人.d10洗衣房1718.440L/(kg·d)1.501268.748.595.7311办公、行政8050L/(m2·d)1.50104.000.600.40 12会议中心9966L/(m2·d)1.5045.982.241.493人/座/d13游泳池补水4505%m31.201622.501.691.4112*25m2,有效水深1.5m141~13未预算水量 10%   43.504.722.49 151~14供水合计     439.0047.7825.28 16地下车库冲洗用水43222L/(m2·d)1.0088.641.081.08 21 镇江南徐新城商务办公A区17冷却塔循环冷却补水量9001.5%m3/h1.0024324.0013.5013.50 18锅炉补水量2 m3/h1.502448.003.002.00 19制冷机组循环冷却补水量2 m3/h1.502448.003.002.00 20道路冲洗用水18540.5L/(m2·次)1.0041.850.460.46每日2次21绿化用水36052L/(m2·次)1.00414.423.613.61每日2次22各单项用水小计     891.6274.0147.25 2315~22未预算水量 10%   89.167.404.72 23合计     980.7881.4151.97 宴会厅座位:648中餐厅座位:232西餐厅座位200咖啡座位:40会议:332健身:60KTV座位:70员工数:客房数+20%*(健体中心+KTV)+10%*(餐饮+会议)=417员工最大小时用水量按集中淋浴计算:淋浴间21格;洗脸盆15个;蹲便器8个;小便器2个最大小时用水量:(21*300*80%+15*50*100%+8*1.2*3600*2%+2*0.1*3600*100%)/1000=6.85m3/h健身最大小时用水量按集中淋浴计算:淋浴间8格;洗脸盆9个;座便器3个;蹲便器3个;小便器4个最大小时用水量:(8*300*80%+9*50*100%+3*0.1*3600*20%+3*1.2*3600*2%+4*0.1*3600*100%)/1000=4.29m3/h本子项最高日总用水量980.78m3/d,最大小时总用水量81.41m3/h.1、给水当量:计算管段编号卫生器具名称当量总数便器浴盆淋浴洗脸盆洗手盆小便器洗涤盆0.51.20.750.750.750.51∑Ng2110261302224.6519、20151182000546.70189981320335.557~172018182200162.605F800055111.254F900086215.503F900082415.502F600095113.251F16000135323.25-1F-1F6000448.002、水箱计算:(1)原水水箱容积的确定:以酒店最大日生活用水量和空调系统补水量的2521 镇江南徐新城商务办公A区%计,Qd=439+1.1x(324+48+48)=901m3V=901x25%=225.25m3/d设计设置两座116m3水箱,合计232m3。取4h补满,进水总管设计补水量56m3/h每个水箱设计补水量28.00m3/h,生活水池补水管管径DN100,V=1.00L/S。酒店生活净水箱容积的确定:以水泵加压区域的最大日用水量的25%计,Qd=414.25V=414.25x25%=103.6m3/d设计设置两座62m3水箱,合计124m3。取4h补满,设计补水量31m3/h,生活水池补水管管径DN100,V=1.00L/S。(2)酒店水箱屋顶容积的确定:以水泵加压区域的最大日用水量的15%计,Qd=183.2m3/dV=183.2x0.15=27.48M3。设计取31.5M35、生活水泵选型:(1).酒店地下提升水泵:Qh=15.27M3/h输水管取DN80v=1.13m/si=0.012H>10.8+82.55+2+1.3x150x0.012+2+2=99.69m选两台(一用一备)单台Q=18m3/hH=105mN=11kw(2).酒店屋顶(17F~21F):当量:24.65+2x46.7+35.55+62.6=216.2设计秒流量:qg=0.2xαxNg0.5=0.2x2.5x216.20.5=7.35L/s输水管取DN100v=1.08m/si=0.014H>18m选三台(两用一备)单台Q=18M3/hH=25mN=4.0kw一台小泵单台Q=8M3/hH=30mN=2.2kw配隔膜气压罐:∮=1.0mV=120L12F~16F当量:48x5=240设计秒流量:qg=0.2xαxNg0.5=0.2x2.5x2400.5=7.75L/s输水管取DN100v=1.05m/si=0.0127F~11F当量:48x5=240设计秒流量:qg=0.2xαxNg0.5=0.2x2.5x2400.5=7.75L/s输水管取DN100v=1.05m/si=0.0127F~16F当量:48x10=480设计秒流量:qg=0.2xαxNg0.5=0.2x2.5x4800.5=10.95L/s输水管取DN150v=0.60m/si=0.004给水出水管均设紫外线消毒器:17F~21F配两台DN80,L=1060mm7F~16F配两台DN100,L=1060mm.(3)冷却塔、补水泵、制冷机房变频给水补水:Qh=21.19M3/h输水管取DN100v=0.8m/si=0.008冷却塔给水管:Qh=13.5M3/h输水管取DN80v=0.97m/si=0.007H>10.8+16.65+1.5+2+1.3x(17x0.008+45x0.007)+5=36.5m选两台(一用一备)单台Q=25m3/hH=40mN=5.5kw(4)自来水过滤加压泵:21 镇江南徐新城商务办公A区Qh=45.92M3/h输水管取DN125v=1.09m/si=0.01H>40m选两台(一用一备)单台Q=50m3/hH=45mN=7.5kw(5)水处理过滤罐及反冲洗加压泵:Qh=49.72M3/h过滤罐选用两台石英砂过滤器,单台Qh=25M3/h,∮=1.8m两台多介质过滤器,单台Qh=25M3/h,∮=1.8m输水管取DN125v=1.09m/si=0.01H>40m反冲洗加压泵选一台:单台Q=50m3/hH=45mN=7.5kw(6)洗衣房软水罐及变频给水泵:变频水泵:Qh=8.59M3/h选两台(一用一备)单台Q=12.0m3/hH=45mN=4.0kw软水罐选用两台一用一备,单台Qh=12M3/h,∮=0.75m,H=1.8m(7)-1F~5F变频冷水给水泵:公共卫生间当量:86.75设计秒流量:qg=0.2xαxNg0.5=0.2x2.5x86.750.5+1.1=5.75L/s员工生活、餐饮、健身最大小时用水量:13.75m3/h变频水泵:Qh=9.58L/s输水管取DN100v=1.05m/si=0.013给水出水管均设紫外线消毒器:-1F~5F配两台DN80,L=1060mmH>10.8+16.75+2+1.3x70x0.013+10=40.75m选三台主泵(两用一备)单台Q=18M3/hH=45mN=5.5kw一台小泵单台Q=8m3/hH=50mN=3.0kw配隔膜气压罐:∮=1.0mV=120L二、生活热水系统酒店部分采用集中热水供应系统,机械强制循环。洗衣房热源由热媒0.4MPa蒸汽经半容积式汽-水热交换器换热后供应热水。热水系统竖向分区同冷水系统;酒店一层厨房、宴会厅、地下室员工餐厅厨房、盥洗间及一~五层设一套合用热泵机组,设于六层屋面,七~二十一层合设一套热泵机组;设在屋顶屋面。1.热水量:21 镇江南徐新城商务办公A区本子项热水最高日总用水量203.96m3/d,最大小时总用水量27.00m3/h.2.热水当量:计算管段编号卫生器具名称当量总数便器浴盆淋浴洗脸盆洗手盆小便器洗涤盆0.510.50.50.50.50.7∑Ng210651300216.4019、2001182000528.50180981320322.607~17018182200138.705F00005013.204F00008025.403F00008046.802F00009015.201F000013038.60-1F00004002.003.热水水泵选型:(1)-1F~5F变频热水给水泵:21 镇江南徐新城商务办公A区公共卫生间当量:29.2设计秒流量:qg=0.2xαxNg0.5=0.2x2.5x29.20.5+1.1=3.8L/s员工生活、餐饮、健身最大小时用水量:7.4m3/h变频水泵:Qh=5.86L/s输水管取DN100v=1.05m/si=0.013给水出水管均设紫外线消毒器:-1F~5F配两台DN100,L=1060mmH>10.8+16.75+2+1.3x70x0.013+10=40.75m选三台主泵(两用一备)单台Q=12M3/hH=45mN=4.0kw一台小泵单台Q=5m3/hH=50mN=3.0kw配隔膜气压罐(热水型):∮=1.0mV=80L(2)17F~21F变频热水给水泵:卫生间当量:173.4设计秒流量:qg=0.2xαxNg0.5=0.2x2.5x173.40.5=6.58L/s输水管取DN100v=1.05m/si=0.013H>22m选三台主泵(两用一备)单台Q=12M3/hH=25mN=3.0kw一台小泵单台Q=5m3/hH=30mN=1.5kw配隔膜气压罐(热水型):∮=1.0mV=80L(3)7F~21F热水水箱给水泵:最高日最大时用水量:7.44m3/hH=8m选两台主泵(一用一备)单台Q=12.5M3/hH=12.5mN=1.1kw4.热泵、热水水箱选型:地下一层~五层最高日用水量:86.93m3/d;最高日最大时用水量:9.41m3/h(取员工最大时及其他用水量平均时)最高日平均秒耗热量:Qd=QrCρr(tr-tl)/(24x3600)=86.93x4187x0.983x(60-5)/86400=227.8kw设计小时平均秒耗热量:Qh=QrhCρr(tr-tl)/x3600=9.41x4187x0.983x(60-5)/3600=593kw热泵机组制热量:热泵工作时间取15hQg=24Xk1xQd/T1=24x1.05x227.8/15=384.4kw镇江全年平均气温14.6℃,热泵产热水量的计算(按室外气候条件为10℃/80%时计算)按此条件厂家平均COP值为2.8选型。384.4/2.8=137.3kw选择3台易达空气源热泵VeA-285-E(压缩机输入功率:47.1kw),满足要求电辅助加热计算:在冬季寒冷季节时,热泵的COP值大大降低到1.8左右,因此需配置电辅助加热器,电辅助加热器选用电加热棒设于水箱内,效率按95%计。21 镇江南徐新城商务办公A区加热电量:N=(384.4-3x47.1x1.8)/0.95=130.06kw实际设置10根15kw的电加热棒,每座水箱内5根。热泵热水储水容积取员工淋浴、健身中心淋浴(120人.次)最高日热水用水量及其他用水项2h平均小时热水用水量。Vr=21.75+3+2x4.69=34.13m3实际设置两座18.75m3热水水箱。热泵机组设计循环流量:Qrx=K4Qg/1.163xρr(tr-tl)=1.1x384.4/(1.163x0.983x5)=73.97m3/hH=35m选两台主泵(一用一备)单台Q=86.5M3/hH=38mN=18.5kw七~二十一层最高日用水量:64.12m3/d;最高日最大时用水量:6.95m3/h最高日平均秒耗热量:Qd=QrCρr(tr-tl)/(24x3600)=59.28x4187x0.983x(60-5)/86400=168kw设计小时平均秒耗热量:Qh=QrhCρr(tr-tl)/x3600=6.95x4187x0.983x(60-5)/3600=437kw热泵机组制热量:热泵工作时间取15hQg=24Xk1xQd/T1=24x1.05x168/15=282.3kw镇江全年平均气温14.6℃,热泵产热水量的计算(按室外气候条件为5℃/80%时计算)按此条件厂家平均COP值为2.3选型。282.3/2.3=122.7kw选择2台易达空气源热泵VeA-285-E(压缩机输入功率:47.1kw)和1台易达空气源热泵VeA-190-E(压缩机输入功率:31.4kw),总计125.6kw,可满足要求电辅助加热计算:在冬季寒冷季节时,热泵的COP值大大降低到1.8左右,因此需配置电辅助加热器,电辅助加热器选用电加热棒设于水箱内,效率按95%计。加热电量:N=(282.3-2x47.1x1.8-31.4X1.8)/0.95=56.22kw实际设置4根15kw的电加热棒,每座水箱内2根。热泵热水储水容积取最高日用水量。Vr=64.12m3实际设置两座31.5m3热水水箱。热泵机组设计循环流量:Qrx=K4Qg/1.163xρr(tr-tl)=1.1x282.3/(1.163x0.983x5)=54.32m3/hH=8m选两台主泵(一用一备)单台Q=86.5M3/hH=9.5mN=4.0kw型号VeA-190-EVeA-285-E额定制冷量(kw)/制热量(kw)(室外气候:28℃,60%)152/190279.1/305.921 镇江南徐新城商务办公A区额定制冷量(kw)/制热量(kw)(室外气候:15℃,80%)114.2/142.7190.8/209.1冷媒R-134a压缩机类型涡卷式台数23功率(制冷)kw15.715.7离心风机台数11风量(m3/h)3000040000功率(kw)1115冷凝器—热交换器类型双壁板式水流量(制冷)m3/h32.849.0工作耐压(MPa)11最高水温℃6565水阻(MPa)0.030.03水管管径(mm)80100冷凝水水管管径(mm)6565电源380V/3P/50Hz总安装电流(A)160240外形尺寸L×W×H(mm)2650×2150×16202800×2250×2070参考重量(Kg)200030005、洗衣房:每日洗衣总量:G=∑(mi.Gi)/D=1718.4KgKh=1.5qr=20L/Kg.日设计小时耗热量:Qh=KhmqrC(tr-tl)ρr/12x3600=1.5x1718.4x15x4187x(65-5)x0.9805/12x3600=220457w设计小时热水量:qrh=Qh/1.163(tr-tl)ρr=236468/1.163(65-5)x0.9805=3457L/h=3.46m3/h半容积式热交换器换热面积:21 镇江南徐新城商务办公A区Fjr=CrQz/0.8K△tj=1.15x236468/(0.8x3392x59.74)=1.68m2贮水容积:V≥sxqrh=15/60x3.46=0.965m3半容积式热交换器的选型:SVS-1-1.7-(1.0/2.5)2台1用1备单台V=1.0m3F=1.7m2H=2.4m∮=1.2m实际贮水容积1m3>0.965m3传热面积Fi=1.7m2>1.68m2压力式膨胀罐总容积的计算:Ve=(ρf-ρr)P2Vs/(P2-P1)ρr=(0.988-0.9805)x1.05P1Vs/(1.05P1-P1)x0.9805=0.1606xVs=0.1606x1.5=0.25m3压力式膨胀罐的选型:φ800x2600V==0.35m3热水循环流量的计算:qx=Qs/1.163△t=0.05x236468/1.163x5=2034L/h=2.034m3/h热水扬程计算:H=0.015x1.3(50+50)=1.95m循环泵的选型:TP40-120/2(一用一备)单台Q=2.034m3/hH=9mN=0.37kw6.酒店泳池热量计算该泳池池面积为300平方米,体积为450立方米。(1)泳池初次加热按48小时计;(2)在计算热水系统的耗热量时,冷水温度应以当地最冷月平均水温资料来确定(冷水进水温度按5℃计);(3)泳池的池水设计温度按规程取,28℃(Td);(4)泳池压力换算系数,取133.32Pa(B);(5)水的密度,取0.98Kg/L(P);(6)与泳池水温相等的饱和蒸汽的蒸发汽化潜热,取581.4kcal/kg(R=581.4kcal×4.187=2434.32KJ/Kg)(7)泳池水表面的风速,取0.5M/S(V);(8)与泳池水温相等的饱和空气的水蒸汽分压力,取28.3毫米汞柱(Pb)(28.3毫米汞柱×133.322=3773Pa)(9)泳池的环境空气的水蒸汽分压力,取17毫米汞柱(Pq)(17毫米汞柱×133.322=2266Pa);(10)一个标准大气压与当地的大气压的比值取1;(11)泳池的热量换算系数,取4.187KJ/Kcal(a);(12)泳池的新水补充每天按泳池的体积的10%计,(Vb=450×10%=45M3=45000L);(13)补充新水的温度取,5℃(Tb);(14)水的比热取,4187J/kg.℃(C);(15)冷水温度按规范,取5℃则泳池日常加温所需热量(Q总)应为下列各项耗热量之总和。泳池水面蒸发损失的热量:21 镇江南徐新城商务办公A区Q1=1/B×P×R×(0.0174V+0.0229)×(Pb-Pq)×池面积×大气压比值1=1/133.32×0.98×2434.32×(0.0174×0.2+0.0229)×(3773-2266)×312.5×1=17.89×0.0316×1507×300=235085.23KJ/H=71KW泳池池壁和池底传导损失的热量及管道和净化水设备损失的热量:Q2=Q1×20%=14.20KW补充新水加热需要的热量:Q3=a.Vb.p.(Td-Tb)/Th=4.186×45000×0.98×(28-5)/24=49.10KWQ总=Q1+Q2+Q3=71+14.2+49.1=134.3KW泳池初次加热所需热量(Q初):Q初=4.186×450M3×1000L/M3×(28-5)℃/48/3600+Q1+Q2=250.72KW+71KW+14.2KW=336KW三、排水系统1.系统:室内污废合流;底层单独排放。2.排水量:A1栋排水计算表序号用水项目名称用水规模数量用水量定额单位小时变化系数使用时间用水量备注最高日最大时平均时人或kg或m2Khhm3/dm3/hm3/h1酒店旅客458400L/(人·d)2.0024183.2015.277.63223房*1.5人+总统套房12人2宴会厅顾客129640L/(人·次)1.201651.843.893.242人/座/d3中餐顾客92840L/(人·次)1.201237.123.713.094人/座/d4西餐顾客80025L/(人·次)1.201620.001.501.254人/座/d5咖啡顾客16015L/(人·次)1.20182.400.160.134人/座/d6健体中心顾客12050L/(人·次)1.20126.004.290.5060人*2次/d7KTV顾客21015L/(人·次)1.20123.150.320.263人/座/d8员工生活417100L/(人·d)2.002441.706.851.74 9员工餐饮83425L/(人·d)2.001620.852.611.302次/人.d10洗衣房1718.440L/(kg·d)1.501268.748.595.7311办公、行政8050L/(m2·d)1.50104.000.600.40 12会议中心9966L/(m2·d)1.5045.982.241.493人/座/d13游泳池反冲洗排水4505%m31.201622.501.691.4112*25m2,有效水深1.5m14地下车库冲洗用水43222L/(m2·d)1.0088.641.081.08 15锅炉排污水2 m3/h1.502448.003.002.00 21 镇江南徐新城商务办公A区16各单项用水小计     524.1255.7931.26 171~15未预算水量 10%   52.415.583.13 18合计     572.1258.7933.26 19A1排水总量取1~15、17项用水量的90%  514.9050.2128.14 3.排水管管径计算:(1)酒店:a.客房污水立管污水立管:WL-4Qp=0.12X2.5(245.1)1/2+1.5=6.20L/S采用De110排水塑料管,设De110专用通气管,排水能力为10.0L/S满足要求。b.污水合并后主立管:为WL-02为例Qp=0.12X2.5(1210.6)1/2+1.5=11.94L/S采用De160排水塑料管,设De110专用通气管,排水能力为28.0L/S满足要求。c.排水横干管:Qp=0.12X2.5(1210.6)1/2+1.5=11.94L/S采用De200排水塑料管,坡度为0.01,排水能力为21.71L/S(参照铸铁管),满足要求。3.污水集水井计算:小便器qp=0.10L/Sb=70%;大便器qp=1.5L/Sb=12%;洗手盆qp=0.10L/Sb=70%;淋浴器qp=0.15L/Sb=80%;洗涤盆qp=0.33L/Sb=15%;(1):地下室7#卫生间a.蹲便器N0=4;洗手盆N0=6;淋浴器N0=13qu=4x1.5x0.12+6x0.1x0.7+13x0.15x0.8=2.7L/S扬程H=(9.5-6.3)+2+2=7.2m选用两台65JYWQ25-15-2.2排水潜污泵,性能如下:单台Q=6.94L/sH=15mN=2.2kwb.污水集水井有效容积:按5min水泵出水量计,V=5x25/60=2.00m3集水井平面尺寸1500x1500mm,有效水深900mm.有效容积:V=2.03m3(2):地下室8#卫生间小便器N0=2大便器N0=4;洗手盆N0=4;淋浴器N0=6;洗涤盆N0=2;设计流量qu=2x0.1x0.7+4x1.5x0.12+13x0.1x0.7+6x0.15x0.8+2x0.33x0.15=2.58L/S扬程H=(9.5-6.3)+2+2=7.2m选用两台50JYWQ15-15-1.5排水潜污泵,性能如下:单台Q=4.16L/sH=15mN=1.5kwb.污水集水井有效容积:按5min水泵出水量计,V=5x25/60=2.00m3集水井平面尺寸1500x1500mm,有效水深900mm.有效容积:V=2.03m321 镇江南徐新城商务办公A区(3):9#卫生间a.小便器N0=4蹲便器N0=6;洗手盆N0=4;qu=4x0.1x0.7+6x1.5x0.12+4x0.1x0.7=1.64L/S<2.0L/S按一个座便器流量2.0L/S计算扬程H=(9.5-6.3)+2+2=7.2m选用两台50JYWQ15-15-1.5排水潜污泵,性能如下:单台Q=4.16L/sH=15mN=1.5kwb.污水集水井有效容积:按5min水泵出水量计,V=5x25/60=2.00m3集水井平面尺寸1500x1500mm,有效水深900mm.有效容积:V=2.03m3四、消防给水系统1.室内消火栓水泵系统:1).水泵选型:消防水泵房设于地下车库供A1~A5统一消防用水;室内消火栓系统分高低两个区,低区由设在消防泵房内减压阀减压至0.85MPa后供水,高区由水泵直接供水。消防系统18m3消防水箱设于A5屋顶。消防水池内储存3h室内消火栓用水量和1h自动喷水灭火系统用水量,总计612m3,采用钢筋混凝土水池,分两格。立管采用DN100热镀锌钢管,水平干管采用DN150热镀锌钢管。立管流量为15L/S,水平干管流量为40L/S,泵房内水头损失取2m.局部阻力取沿程阻力损失的10%.充实水柱长度10m时栓口压力为18.9m.消防水泵房设于-6.80处,选用两台XBD14.5/40-90-SHY型室内消火栓水泵.Q=40.0L/sH=145mN=90.0kw一用一备2).减压措施:(1)低区:1~8F由减压阀减压后供水。以A3立管3XH1L-7的8F为最不利消火栓计算,最不利点消火栓标高为33.8m,立管采用DN100,水平干管采用DN150,水平干管流量为40L/S,最不利水平管长为260m。减压后压力P=∑hx+Hxh+Zx-hcP=1.1X(260X0.0719+33.80x0.0602)+18.9+(33.8+5.7)=81.20m可调式减压阀阀后压力设定为0.85Mpa.低区减压:地下一层至二层采用减压稳压消火栓,阀后压力为0.25MPa;二层栓口动压:P=85-1.1X(270X0.0719+20x0.0602)-(3.4+6.8-1.1)=51.02m(2)高区:以XH2L-1为例屋顶层栓口动压:P=145-1.1X(430X0.0719+50x0.0602)-(79.15+1.1+6.8)=20.63m满足要求十一层至十八层采用减压稳压消火栓,阀后压力为0.25MPa;十八层栓口动压:P=145-1.1X(370X0.0719+50x0.0602)-(62.35+1.1-6.8)=42.175m21 镇江南徐新城商务办公A区十一层栓口动压:P=145-1.1X(335X0.0719+20x0.0602)-(37.15+1.1-6.8)=72.13m2.自动喷淋灭火系统:消防水泵房设于-6.80处,选用两台XBD15/50-110-SHY型自动喷淋灭火系统水泵.Q=50L/sH=150mN=110kw一用一备计算原理参照《自动喷水灭火系统设计规范GB50084-2001》,采用作用面积法。⑴基本计算公式1)喷头流量q=K*SQRT(10P)式中:q-喷头处节点流量,L/minP-喷头处水压,MPaK-喷头流量系数2)流速VV=(4*Q)/(π*Dj*Dj)式中:Q-管段流量L/sDj-管道的计算内径(m)3)水力坡降i=0.00107*V*V/(pow(Dj,1.3)式中:i-每米管道的水头损失(mH20/m)V-管道内水的平均流速(m/s)Dj-管道的计算内径(m)4)沿程水头损失h=i*L式中:L-管段长度m5)局部损失(采用当量长度法)h=i*L(当量)式中:L(当量)管段当量长度,单位m(《自动喷水灭火系统设计规范》附录C)6)总损失h=h(局)+h(沿)7.终点压力Hn=Hn-1+h⑵水力计算1)酒店自动喷水灭火系统入口处压力为:H=150-0.0376X430X1.2=130.5mH2O2)以酒店21F为最不利点,自动喷水灭火系统水力计算结果见下表:表1喷淋系统计算管段名称起点压力mH2O管道流量L/s管长m当量长度管径mmK水力坡降mH2O/m流速m/s损失mH2O终点压力mH2O1-210.001.333.050.8025800.7702.502.9612.962-312.962.842.012.1032800.7572.993.1116.0721 镇江南徐新城商务办公A区18-314.221.581.040.6025801.0942.981.8016.013-416.074.423.003.0040800.8713.525.2221.3019-2010.971.391.850.6025800.8452.622.0713.0423-2011.091.401.650.6025800.8542.631.9213.0224-2011.881.450.750.6025800.9142.731.2313.1120-2113.044.242.052.7040800.7993.373.7916.8425-2114.221.581.850.6025801.0942.982.6816.9021-2216.845.820.053.1050800.3752.741.1818.0226-2216.721.720.450.6025801.2873.231.3518.0722-418.027.541.513.7050800.6293.553.2821.3027-2817.501.760.450.6025801.3473.311.4118.9128-418.911.761.140.6025801.3473.312.3521.264-521.3013.722.254.6080800.2202.761.5122.8029-521.251.940.340.6025801.6363.651.5422.795-622.8015.661.954.6080800.2863.151.8724.686-724.6815.661.492.1080800.2863.151.0325.707-825.7015.667.810.8080800.2863.152.4628.1730-3113.011.512.550.8025801.0012.853.3516.3631-3216.363.211.862.1032800.9693.393.8420.2035-3218.441.800.690.6025801.4193.401.8320.2632-3320.205.022.953.6050800.2792.361.8322.0336-3714.061.572.550.8025801.0822.973.6317.6937-3317.693.341.862.3032801.0473.524.3622.0538-3320.001.880.690.6025801.5393.541.9821.9833-3422.0310.242.114.3065800.3032.901.9423.9739-4010.001.332.550.8025800.7702.502.5812.5840-4112.582.821.862.1032800.7452.972.9515.5321 镇江南徐新城商务办公A区43-4114.061.570.690.6025801.0822.971.3915.4641-4215.534.392.952.7040800.8593.504.8520.3844-4513.131.522.550.8025801.0102.873.3816.5145-4216.513.231.862.1032800.9773.403.8720.3846-4218.591.810.690.6025801.4313.411.8420.4442-3420.389.430.843.7050800.9854.444.4824.8634-823.9719.672.795.4080800.4523.963.7027.678-928.1735.321.506.10100800.3334.082.5330.709-1030.7035.328.720.00100800.3334.082.9133.6110-1133.6135.325.810.00150800.0421.870.2533.8611-1233.8635.321.910.00150800.0421.870.0833.9412-1333.9435.326.300.00150800.0421.870.2734.2013-1434.2035.320.751.30150800.0421.870.0934.2914-1534.2935.321.591.30125800.1082.660.3134.6015-1634.6035.328.470.00150800.0421.870.3634.9616-1734.9635.326.400.00150800.0421.870.2735.23计算结果:总流量:33.66L/s平均喷水强度:12.74L/min.m2入口压力:35.23mH2O干管的水头损失为:4.18mH2O水流指示器、报警阀的水力损失:6mH2O8~12F所需压力为:H=Σhp+h0+hr+Zp=35.23+4.18+6+36.65=82.06m设减压阀组,阀后压力设定值为0.86MPa。13~22F所需压力为:H=Σhp+h0+hr+Zp=35.23+6.27+6+82.30=129.80m<130.5m(入口压力),满足要求1)以3F为最不利点,酒店裙房自动喷水灭火系统水力计算结果见下表21 镇江南徐新城商务办公A区表2酒店裙房自动喷水灭火系统水力计算表管段名称起点压力mH2O管道流量L/s管长m当量长度管径mmK水力坡降mH2O/m流速m/s损失mH2O终点压力mH2O1-210.001.332.700.8025800.7702.502.6912.692-312.692.821.352.1032800.7482.982.5815.2818-1910.001.332.700.8025800.7702.502.6912.6919-312.692.821.352.1032800.7482.982.5815.283-415.285.652.403.6050800.3532.662.1217.4020-2111.251.412.700.8025800.8662.653.0314.2821-414.283.001.352.3032800.8423.163.0717.3522-2311.251.412.700.8025800.8662.653.0314.2823-414.283.001.352.3032800.8423.163.0717.354-517.4011.642.504.3065800.3923.302.6620.0624-2512.971.512.700.8025800.9982.853.4916.4625-516.463.221.352.3032800.9703.393.5420.0026-2712.971.512.700.8025800.9982.853.4916.4627-516.463.221.352.3032800.9703.393.5420.005-620.0618.071.335.4080800.3813.642.5722.6328-2911.511.432.700.8025800.8862.683.1014.6229-3014.623.031.352.1032800.8623.202.9717.5932-3311.561.432.700.8025800.8902.693.1214.6833-3014.683.041.352.1032800.8653.202.9817.6630-3117.596.072.503.6050800.4082.862.4920.0834-3512.971.512.700.8025800.9982.853.4916.4635-3116.463.221.352.3032800.9703.393.5420.0036-3712.971.512.700.8025800.9982.853.4916.4637-3116.463.221.352.3032800.9703.393.5420.0031-620.0812.501.174.5065800.4523.552.5622.646-722.6330.585.576.10100800.2503.532.9225.5438-3917.071.742.700.9032800.2821.831.0218.0839-4018.083.520.352.1032801.1633.712.8520.9321 镇江南徐新城商务办公A区43-4017.031.732.350.6025801.3113.263.8720.9040-4120.935.253.003.6050800.3062.472.0222.9544-4518.441.802.700.9032800.3051.901.1019.5445-4119.543.660.352.3032801.2563.863.3322.8646-4121.561.952.351.4032800.3572.061.3422.9041-4222.9510.861.334.3065800.3413.081.9224.8742-724.8710.863.531.3080800.1382.190.6725.537-825.5441.4421.489.20150800.0582.201.7927.338-927.3341.443.820.00150800.0582.200.2227.559-1027.5541.447.900.00150800.0582.200.4628.0110-1128.0141.441.290.00150800.0582.200.0828.0911-1228.0941.440.600.00150800.0582.200.0328.1212-1328.1241.446.194.30150800.0582.200.6128.7313-1428.7341.446.390.00150800.0582.200.3729.1014-1529.1041.444.450.00150800.0582.200.2629.3615-1629.3641.448.290.00150800.0582.200.4829.8516-1729.8541.445.300.00150800.0582.200.3130.15计算结果:总流量:41.44L/s平均喷水强度:14.60L/min.m2入口压力:30.15mH2O干管的水头损失为:1.74mH2O水流指示器、报警阀的水力损失:6mH2O所需压力为:H=Σhp+h0+hr+Zp=30.15+1.74+6+19.40=57.29m设减压阀组,阀后压力设定值为0.58MPa。3)2F大堂上空挑空高度于8~12m之间,水力计算参A3。⑶减压孔板计算1)4区:十八至二十层.湿式报警阀后压力为:H=130.5-4-0.9-17=108.6m设备层水流指示器前压力:21 镇江南徐新城商务办公A区P=108.6-(81.8-8.9)-3.06=32.64m,不需减压。二十一层水流指示器前压力:P=108.6-(76.8-8.9)-2.85=37.85m,不需减压。二十层水流指示器前压力:P=108.6-(72.9-8.9)-2.69=41.91m采用Ф75减压孔板,减压5.37m,孔板后压力为0.365Mpa>0.352Mpa.十九层水流指示器前压力:P=108.6-(69.0-8.9)-2.52=45.98m采用Ф65减压孔板,减压10.55m,孔板后压力为0.354Mpa>0.352Mpa.十八层水流指示器前压力:P=108.6-(65.1-8.9)-2.36=50.04m采用Ф61减压孔板,减压14.08m,孔板后压力为0.359Mpa>0.352Mpa.1)3区:十三至十七层十七层水流指示器前压力:P=108.6-(61.5-8.9)-2.21=53.79m采用Ф58减压孔板,减压17.66m,孔板后压力为0.361Mpa>0.352Mpa.十六层水流指示器前压力:P=108.6-(57.9-8.9)-2.06=57.54m采用Ф54减压孔板,减压22.34m,孔板后压力为0.352Mpa=0.352Mpa.十五层水流指示器前压力:P=108.6-(54.3-8.9)-1.90=61.30m采用Ф54减压孔板,减压24.22m,孔板后压力为0.371Mpa>0.352Mpa.十四层水流指示器前压力:P=108.6-(50.7-8.9)-1.75=65.05m采用Ф52减压孔板,减压28.57m,孔板后压力为0.365Mpa>0.352Mpa.十三层水流指示器前压力:P=108.6-(47.1-8.9)-1.60=68.80m采用Ф51减压孔板,减压31.08m,孔板后压力为0.377Mpa>0.352Mpa.2)2区:四至十二层十二层水流指示器前压力:P=80-4-(43.5-8.9)-1.45=39.90m,不需减压。十一层水流指示器前压力:P=80-4-(39.9-8.9)-1.30=43.70m采用Ф69减压孔板,减压7.99m,孔板后压力为0.357Mpa>0.352Mpa.十层水流指示器前压力:P=80-4-(36.3-8.9)-1.15=47.45m采用Ф63减压孔板,减压12.17m,孔板后压力为0.353Mpa>0.352Mpa.九层水流指示器前压力:P=80-4-(32.7-8.9)-1.00=51.20m采用Ф60减压孔板,减压15.17m,孔板后压力为0.360Mpa>0.352Mpa.八层水流指示器前压力:P=80-4-(29.1-8.9)-0.85=54.95m采用Ф57减压孔板,减压19.08m,孔板后压力为0.359Mpa>0.352Mpa.七层水流指示器前压力:21 镇江南徐新城商务办公A区P=80-4-(25.5-8.9)-0.70=58.7m采用Ф55减压孔板,减压22.34m,孔板后压力为0.364Mpa>0.352Mpa.六层水流指示器前压力:P=80-4-(23.4-8.9)-0.61=60.89m采用Ф54减压孔板,减压24.22m,孔板后压力为0.367Mpa>0.352Mpa.五层水流指示器前压力:P=80-4-(19.5-8.9)-0.45=64.95m采用Ф52减压孔板,减压28.57m,孔板后压力为0.364Mpa>0.352Mpa.四层水流指示器前压力:P=80-4-(15-8.9)-0.26=69.64m采用两个Ф59减压孔板,减压32.72m,孔板后压力为0.369Mpa>0.352Mpa.1)1区:地下一层至三层湿式报警阀后压力为:P=58-4=54m三层水流指示器前压力:P=54-(11.2+8.5)-1.14=33.16m,不需减压。二层水流指示器前压力:P=54-(7+8.5)-0.90=37.60m,不需减压。一层水流指示器前压力:P=54-(2.4+8.5)-0.63=39.5m,不需减压。地下一层水流指示器前压力:P=54-7.5-0.44=46.06m采用Ф65减压孔板,减压10.55m,孔板后压力为0.351Mpa>0.301Mpa.3、消防电梯集水坑排水泵选型:a.A2、A3、A4栋:流量Q>36m3/h扬程H=(9.8-1)+2+2=12.8m选用JYWQ65-37-14-3.0型潜污泵一用一备Q=37m3/hH=14mN=3kw满足要求。A5栋:流量Q>36m3/h扬程H=(14-1.5)+2+2=16.5mJYWQ80-40-23-7.5型潜污泵一用一备Q=40m3/hH=23mN=7.5kw满足要求。b.污水集水井有效容积:按5min水泵出水量计,V>2.0m3集水井平面尺寸2000x1500mm,有效水深780mm.有效容积:V=2.34m3,满足要求。五、雨水排水:1.主楼屋面雨水:屋面径流系数ф=0.9,暴雨重现期P选用5年,t选用5分钟。q=2418.16(1+0.787LgP)/(t+10.5)0.78=441.96L/s.haA2屋面:F=1115m2,Q=qфF=49.30L/s每栋楼屋顶分别设5个DN100的87型雨水斗,每个雨水斗排水能力为16L/s排水面积均不大于400m2,满足要求。21 镇江南徐新城商务办公A区2.裙房屋面雨水:屋面径流系数ф=0.9,暴雨重现期P选用10年,t选用5分钟。q=2418.16(1+0.787LgP)/(t+10.5)0.78=509.51L/s.ha按暴雨重现期P选用50年校核,q=2418.16(1+0.787LgP)/(t+10.5)0.78=666.35L/s.ha系统计算由深化设计单位负责。六、气体灭火系统:1)A2、A3、A4、A5各栋地下室内变配电间采用无管网预制式七氟丙烷灭火系统。2)灭火设计浓度为9%;设计喷射时间≤8s;灭火浸渍时间10min;3)根据《规范》全淹没灭火系统七氟丙烷用量计算公式,得出各数据见下表七、建筑灭火器:1.酒店属于严重危险级A类火灾:单具灭火器最小配置灭火级别:3A单位灭火级别最大保护面积:50m2/A地下一层面积4880m2;一层面积3454m2;二层:2320m2;三层面积3347m2;四层:3355m2;五层面积1227m2;标准层最大面积1115m2地下一层:Q=KS/U=1.3x0.5x4880/50=63.44A配置76具76x3=228A>63.44A满足要求;一层:Q=KS/U=0.5x3454/50=34.54A配置32具32x3=96A>34.54A满足要求;二层:Q=KS/U=0.5x2320/50=23.20A配置26具26x3=78A>23.20A满足要求;三层:Q=KS/U=0.5x3347/50=33.47A配置30具30x3=90A>33.47A满足要求;四层:Q=KS/U=0.5x3355/50=33.55A配置30具30x3=90A>33.35A满足要求;五层:Q=KS/U=0.5x1227/50=12.27A配置16具16x3=48A>12.27A满足要求;21 镇江南徐新城商务办公A区标准层:Q=KS/U=0.5x1115/50=11.15A配置14具14x3=42A>11.15A满足要求;2.地下车库属中危险级B类火灾单具灭火器最小配置灭火级别:55B单位灭火级别最大保护面积:1m2/B地下一层面积约4078.78m2Q=KS/U=1.3x0.5x4078.78/1=2652B设计选用5kgMF/ABC5灭火器每具灭火级别89B实际地下一层每处设2具5kgMF/ABC5(89B),共16处;另每个汽车入口设MFT/ABC50(297B)推车灭火器一车,共四处。2X16X89+297X2=3442B,满足要求21'