给水工程毕业设计.docxVIP

给水工程毕业设计城建学院2008届 专业：给水排水 班级：水082班 学号：13号 姓名：李力念 指导老师：智修德目 录摘要.3 abstract.3第1章：毕业设计任务书.5序言.51.1基本资料.6第2章：城市用水量与管网计算112.1城市最高日用水量计算.112.2城市最高日最大时水量计算.132.3全市最高日用水量变化曲线.142.4管网定线.142.5管网水力计算.16第3章：取水和一泵站303.1岸边式取水构筑物设计.31第4章：水处理工艺.394.1投药.404.2混合.424.3稳压配合井流量的计算.424.4絮凝沉淀.434.5过滤.494.6清水池设计计算59第5章：二泵站的设计62第6章：净水厂工艺设计.626.1平面设计.626.2高程布置.63第7章：经济预算677.1计算数据.747.2制水成本的计算.75第8章：设计总结81第9章：参考文献83abstract this time design topic stays in the city water supply catchment engineering design for the east city in peking city peoples hospital.should construct to belong to a comprehensive sex mansion, for win dangerous grade building.concretely design item for:indoor water supply engineering, indoor catchment engineering, indoor fire fight engineering(include the penstock system and spray to pour system automatically), indoor hot water engineering, total 5 parts.the living cold water water supply system the cent is high,low mark area.low area 1-4 layers is taken care of a net by the city to supply water directly, the adoption descends to go to ascend to supply water a way to the type;high area 5-16 layers is pumped consociation water supply by the water tank,water, adopting north bound to descend to supply water a way to the type.the ground floor establishes the pond and water pump house.the roof establishes a high water tank, living the water tank and the fire fight water tank to establish for cent.the penstock system doesnt divide area, adopting the temporary high pressure water supply system that the water tank and water pump the consociation water supply.each penstock box inside establish the fire fight pump bootstrap button, fire fight can start a water pump directly.the roof water tank contains fire fight the water quantity for 10 minutes.a fire continues time to be account with 2 hours.adopt a wet type to spray a water to extinguish fire system automatically.each four the layers is an areas, establish a the root sign a tube, total four the roots sign a tube.the water tank highly dissatisfied foot request of that system to water pressure, so establish to increase to press by the side of the water tank steady press an equipments.the wet type reports to the police the valve constitution is indoor in the underground, the water power alarm bell pack be reporting to the police a valve neighborhood.a fire continues time to be account with an hour.the indoor hot water adoption concentrates the type hot water a supply a method, dividing high and low two areas, the low area 1-4 layers adoption descends to go to ascend to supply water a way to the type;high area 5-16 layer adoption descend to go to ascend to supply water a way to the type.adopt dry tube circulation.drain an adoption confluence system, divide the area and water supply system homology.each one signs tubes all alone a door.low area 1-4 layers is frowsty, high area 5-16 layer adoptions stretch a crest to ventilate, low areas are all frowsty.this design manual introduced the design,the calculation process of the system in detail.and elaborated several kinds to defend the 噪 measure to provide a reference.keywords:water supply、catchment、hot water、penstock、spray to pour and divide area、the water pump、water tank、pond.序言给水系统是保证城市，工矿企业等用水的各项构筑物和输配水管网组成的系统。给水系统由相互联系的一系列构筑物和输配管网组成，它的任务是从水源取水，按照用户对水质的要求进行处理，然后将水输送到用水区。给水系统通常由取水构筑物，水处理构筑物，泵站，输水管网和调节构筑物组成。根据老师的资料，再结合图纸，该城市的北方有一条自东向西的河流，城市的中心有一条铁路，根据自然情况将该城市分成两区。结合图纸和老师的指导，我对城市进行管网设计，设计的内容包括取水和一泵站，水城厂的设计，其中水厂包括投药，混合，絮凝，沉淀，过滤，消毒的部分组成，具体的设计见图纸。给水设计结束后，我们要对自己的设计进行技术评价，具体计算参看第八章。通过设计使我们的专业知识加深了，实际动手设计的能力也有所提高，为以后的工作和学习奠定了扎实的基础。在本次毕业设计中，得到了智修德老师的指导，在此深表感谢！第一章：基本资料1.1城市概述江西新余新玉城位于我国江南地区。为了缓解城市用水的供需矛盾，确保城市居民的安全用水，该市给水工程的建设迫在眉睫。该市位于一条自东向西的河流南侧，地面坡度适中。城市中的铁路将城市分为两个区。为保持空气新鲜，在城市的主要干道采用洒水车洒水。本着服务市民和保证工厂用水的目标，必须设计出一套适合该市特色并考虑将来发展需要的给水工程。要求净水厂出水水质满足我国生活饮用水卫生标准。工业用水取自城市管网，水厂还应考虑消防要求。面对该市的情况，给水工程势在必行，但是整个工程规模大，投资高，且整个工程规模大，投资高，且整个工程施工工期长，难度大，必须综合考虑，实行边施工边投产的政策。在解决实际问题中多多思考，综合各方面的利益。1.2设计题目江西新余新玉城给水工程初步设计。1.3设计的原始资料1.3.1城市规划（1）江西新余新玉城总平面图，比例1:10000.（2）水厂及工厂位置平面图。（3）城市人口分区：i区近期2万人，远期5万人，房屋层数7层，有上下水，有卫生设备；ii区近期2万人，远期6万人，房屋层数7层，有上下水，有卫生设备，有沐浴。1.3.2只用城市管网的工厂（1）a厂，生产用水为3600m3/d,重复利用率0%。工厂总人数1200，分三班工作，其中热车间工作的工人占全部工人的1/3.每班下班后一小时淋浴时间。淋浴情况车间特征淋浴工人数（占全班人数%）不太脏身体车间40非常脏身体车间100（2）b厂，生产用水为1600 m3/d, 重复利用率0%。工厂总人数1800，,分两班工作，其中热车间工作的工人占全部工人的50%。每班下班后一小时淋浴时间。淋浴情况车间特征淋浴工人数（占全班人数%）不太脏身体车间50非常脏身体车间1001.3.3浇洒绿地（1）绿地面积：用水100 m3/次.区。（2）火车站用水量：2400 m3/d。（自备水源）1.3.4气象资料1.气温：城市年最高气温39c，年最低气温-2c；年平均气温17.7c。2.年平均降雨量：1595mm。3.常年主导风向：东南风。4.冰冻线冻土厚度：0.2m。5.城市土壤种类：3。6.地下水深度：6m.7.河流流量：最大流量300 m3/s，最小流量200 m3/s。8.河流最大流速：3.0m/s。9.河水位：最高水位133m，常水位131m，最低水位130m。10最大冰冻厚度：0.1m。1.3.5水源水质分析结果水质分析表序号名称单位分析结果1ph值-6.5-8.52总硬度mg/lcaco34103碱度mg/l74平均浊度mg/l1005最高浊度mg/l16006最低浊度mg/l107色度度108溶解性固体mg/l6009水温度-10最高水温度2111最低水温度1.012细菌总数个350013大肠菌群数个/l280注：其他指标符合国家饮用水二类水源水质标准。1.3.6城市用水量逐时变化城市用水量逐时变化表（%）时间用水量时间用水量时间用水量0-13.008-94.9016-174.301-23.209-105.0017-184.102-32.5010-114.9018-194.503-42.6011-124.9019-204.504-53.5012-134.7020-214.805-64.1013-144.4021-224.606-74.5014-154.1022-234.507-84.9015-164.4023-243.901.4设计内容给水工程毕业设计内容包括：取水工程设计，输配水工程设计和净水厂设计三部分，可根据具体工程对某一部分有所则重，深度有所加强。主要内容包括：1.4.1水量计算计算各种用水量，并确定城市最高日用水量。1.4.2取水工程1.4.3净水工程（1）选择水厂处理工艺流程及净水构筑物或设备类型和数量。（2）净水构筑物及设备工艺设计计算。（3）水厂内各构筑物，建筑物以及各种管渠总体布置。（4）绘制净水厂平面图及高程布置图。（5）绘制主要的单体净水构筑物工艺构造图。（6）一泵站设计。1.4.4送水工程设计计算送水泵站。1.4.5输水管网设计（1）根据城区用水资料和城区规划平面图，进行管网定线。（2）绘制城市给水管网平面布置图和最高用水时管网等水压线图。1.4.6说明书编制设计计算说明书。1.5给水工程的设计要求1.5.1应具备的能力（1）知识方面系统掌握本专业所必须的基础理论知识，掌握工程水力学，水分析化学和污染控制微生物学等主要专业基础课的理论知识，具有系统的给水工程，排水工程等专业知识，对本专业的新工艺，新材料，新设备有一定的了解。（2）能力技能要求具有给水排水系统规划与工艺设计能力，具有本专业必须的制图，运算，计算机等方面的操作能力。1.5.2基本要求（1）通过毕业设计，应具有一定的综合技术分析能力，设计运算能力，运用计算机能力，工程制图及编制说明书的能力；（2）应在指导老师的指导下完成所规定的内容和工作量；（3）设计计算要正确，理论叙述要简洁明了，文理通畅；（4）毕业设计图纸应能较好的表达设计意图，图纸布置合理，正确清晰达到规范要求；（5）毕业论文方案合理，数据正确，论据充分，具有一定的工程技术经济观念，了解有关政策方针。第2章：城市用水量和管网计算2.1见城市用水量表，见附页。2.2绘制全市最高日用水量变化曲线二泵站的工作制度确定为2级，第一级工作10小时，每小时供水占全天用水量的2.75%，从20：00-6:00；第二级工作14小时，每小时供水占全天用水量的5%，从6:00-20:00.一泵站24小时均匀供水，每小时供水占全天用水量的4.17%。2.3管网定线本设计方案采用分区供水，共34个环。2.3.1布置原则城镇管网定线应满足一下几点要求：1.依据规划总平面图，考虑分期建设的可能性，且留有发展余地，便于今后的扩建和改建；2.保证供水的安全可靠，局部若出现事故，断水范围最小；3.尽量使干管靠近大用户，便于取水，且降低输水费用；4.保证用户有足够的水量和水压；5.力求管线最短。2.3.2管网布置要点1.为减少水头损失，干管延伸方向与二泵站输水到大用户的水流方向一致，这样可以减少水头损失，降低耗能，可以减少管材，缩小管径，减少投资成本；2.干管的间距可根据街区的情况采用500-800m，除特殊情况，最长计算管段不可能超过1000m，从供水的可靠性来看，布置几条平行的干管为宜；3.为保证供水的可靠性，干管之间应设置连接管，其作用在于当局部管线损坏时可以通过它重新分配流量，连接管间距800-1000m；4干管的定线应尽量避免在高级路面或重要道路下通过，尽量减少穿越铁路的次数，减少施工难度和施工造价，管线在道路下的平面位置标高应符合城镇或街区地下管线综合设计要求；5.给水管线和排水管线以及电讯煤气管线之间的铺设应严格执行相应的规范；6.附属设备：（1）在供水范围的道路下敷设分配管以便把干管的水送到用户和消火栓；（2）在干管上每隔400-600m设一个阀门。2.3.3输水管定线采用2条输水管送水，以保证供水安全。应选最短路线，即少与铁路，河流交叉，避免穿越滑坡，岩层，沼泽，高地下水位和河水淹没冲刷的地区，在平行的输水管间设连接管。输水管的最小坡度应大于1/5d，当坡度小于1/1000时，隔0.5-1千米应设一个排气阀。2.3.4配水管定线为保证安全供水，方案采用环状管网，本给水系统设计方案34个环。管网计算见管网平差计算表，具体分配方案见下文。2.4管网水力计算2.4.1比流量计算一区：qs= 0.0059948l/(m.s)一区沿线流量计算表管段管长（m)计算长度（m）计算沿线流量(l/s)8-78408405216-55845843.505-45455453.274-35515513.303-26526523.912-16096093.659-108408405.0410-117027024.2111-125515513.3012-135445443.2613-145385383.2314-156526523.9115-183343342.008-910405203.127-10104010406.236-11104010406.235-12118711877123562561-169999995.999-249304652.7924-238878875.3223-226566563.9322-215505503.3021-205435433.2620-195822911.7419-18765382.52.2918-16745372.52.2310-239329325.5911-229329325.5912-219329325.5913-209329325.5914-197337334.3924-258284142.4825-269284642.7826-276543271.9627-28649324.51.9523-268288284.9622-276016013.6021-282722721.6319-362790000合计3275328645.5171.72二区：qs= 0.0070713l/(m.s)二区沿线流量计算表管段管长（m)计算长度（m）计算沿线流量(l/s)60-3111421142852.4032-33555277.51.9633-344884883.4534-355525523.9035-366923462.4536-371225612.54.3337-17947473.53.3517-38555277.51.9634-516036034.2651-507237235.1150-494694693.3249-485525523.9048-479224613.2636-437237235.1143-422092091.4842-442092091.4844-455525523.9045-467107105.0251-368878876.2750-438918916.3049-448918916.3048-458918916.3041-373213212.2742-414044042.8640-457337335.1840-175625623.9747-46607303.52.1546-397223612.5539-387943972.8141-408748746.1840-395845844.1360-596546544.6259-585555553.9258-574884883.4557-566036034.2656-554434433.1355-547237235.1154-53469234.51.6653-525522761.9552-488824413.1259-32132513259.3758-33132513259.3757-34132513259.3755-518858856.2654-508828826.2453-498828826.24合计3366128860.5204.082.4.2节点流量的计算一区节点流量计算表节点号节点流量（l/s）节点集中流量（l/s）节点总流量（l/s)14.8204.8227.0642.4949.5536.8906.8946.8406.8456.9406.9466.9706.9777.7407.7484.0804.0895.4705.471010.53010.53119.6709.67129.6309.63139.6309.63149.0509.05156.2406.24164.1104.11183.2603.26194.2204.22205.2905.29216.9406.94227.3807.38239.909.9245.2905.29252.6302.63264.8504.85273.7503.75281.7927.7829.57合计170.9770.27241.24二区节点流量计算表节点号节点流量（l/s）节点集中流量（l/s）节点总流量（l/s)174.6404.64315.2405.24326.8706.87337.3907.393410.49010.49353.1803.18369.0809.08374.9704.97382.3802.38394.7404.74409.7309.73415.6505.65422.9102.91436.4506.45445.8405.844510.2010.2464.8604.86472.702.7488.2908.29499.8809.885010.48010.485110.95010.95522.5402.54534.9204.92546.506.5557.2507.25563.703.7578.5419.9828.52588.3708.37598.9608.96606.3506.35合计204.0519.98224.032.4.3管网平差环号管段管长(m)流量(l/s)管径1000ih(m)1-2609.00-12.061506.55-3.992-151095.007.931257.758.49115-18334.0020.362004.161.3918-16745.00-3.131004.98-3.7116-1999.00-7.241502.60-2.60闭合差-0.422-3652.00-69.543005.17-3.373-141095.0014.441508.999.84214-15652.0018.672003.452.2515-21095.00-7.931257.75-8.49闭合差0.243-4551.00-90.873008.49-4.6834-131187.00-3.991007.00-8.3113-14538.0026.7615029.4015.8214-31095.00-14.442002.28-2.50闭合差0.334-5545.00-93.7225024.30-13.245-121187.0033.842503.454.10412-13544.0059.583003.882.1113-41187.003.991006.107.24闭合差0.205-6584.00-134.504004.08-2.386-111040.0049.673002.772.88511-12551.0083.103007.103.9112-51187.00-33.842503.36-3.99闭合差0.426-7702.00-191.145002.55-1.797-101040.0046.443002.482.58610-11702.0097.244002.291.6111-61040.00-49.673002.77-2.88闭合差-0.487-8840.00-245.324507.00-5.888-91040.00215.874505.565.7879-10840.00107.154002.732.2910-71040.00-46.443002.48-2.5881闭合差-0.3810-9840.00-107.154002.73-2.299-24930.00103.254002.552.37824-23887.0073.643502.652.3523-10932.00-45.823002.38-2.22闭合差0.2111-10702.00-97.244002.24-1.5710-23932.0045.823002.382.22923-22656.0076.173502.781.8222-11932.00-54.143502.92-2.72闭合差-0.2512-11551.00-83.103503.28-1.8111-22932.0054.143502.922.721022-21550.00105.504002.601.4321-12932.00-47.733002.57-2.40闭合差-0.0513-12544.00-59.583501.75-0.9512-21932.0047.733002.572.401121-20543.00180.634503.912.1220-13932.00-19.202003.62-3.37闭合差0.1914-13538.00-26.762502.19-1.1813-20932.0019.202003.623.371220-19582.0020.142004.162.4219-14733.00-13.481506.82-5.00闭合差-0.3815-14652.00-21.212004.16-2.7114-19733.0013.481509.306.821319-18765.00-20.232003.97-3.0418-15334.00-20.362004.00-1.34闭合差-0.2723-24887.00-73.643005.88-5.2224-25828.0024.322005.564.601425-26928.0021.692004.163.8626-23828.00-33.392503.45-2.86闭合差0.3922-23656.00-76.173502.85-1.8723-26828.0033.392503.272.711526-27654.0050.233002.381.5627-22601.00-17.432003.28-1.97闭合差0.4221-22550.00-105.504002.60-1.4322-27601.0017.432501.040.631627-28649.0063.914001.050.6828-21272.0034.343001.410.38闭合差0.2632-31679.0025.882006.674.5331-601142.0020.642004.344.961760-59654.0014.292002.281.4959-321325.00-8.661258.50-11.26闭合差-0.2933-32555.0041.412505.092.8232-591325.008.661259.0411.981859-58555.0013.991508.714.8358-331325.00-6.9510017.20-22.79闭合差-3.1534-33488.0055.753501.540.7533-581325.006.9510016.7022.131958-57488.0012.572001.700.8357-341325.00-35.8020017.70-23.45闭合差0.2651-34603.00-6.2610015.30-9.2334-571325.0035.803001.491.972057-56603.0019.852003.802.2956-55443.0016.1515011.104.9255-51882.00-8.491258.68-7.66闭合差-0.0436-35692.00-61.0025010.20-7.0635-34552.00108.304002.731.512134-51603.006.2610015.309.2351-36887.00-34.882503.64-3.23闭合差0.4543-36723.00-24.522005.56-4.0236-51603.0034.882503.642.192251-50723.0021.702004.533.2850-43891.00-6.611502.16-1.92闭合差-0.4750-51723.00-21.702004.53-3.2851-55885.008.491503.493.092355-54723.0017.392003.122.2654-50882.00-7.151502.56-2.26闭合差-0.1949-50469.00-10.6812513.40-6.2850-54882.007.151502.462.172454-53469.0018.042003.281.5453-49882.005.551253.433.03闭合差0.4544-42209.00-19.762003.80-0.7942-43209.00-11.461506.07-1.272543-50891.006.611502.161.9250-49469.0010.681505.372.5249-44891.00-7.681502.93-2.61闭合差-0.2345-44552.00-6.2410015.30-8.4544-49891.007.681502.932.612649-48552.0014.032002.151.1948-45891.009.691504.694.18闭合差-0.4748-49552.00-14.032006.30-3.4849-53882.006.571501.351.192753-52552.007.571502.861.5852-48882.005.031501.351.19闭合差0.4840-41874.00-6.6310017.20-15.0341-42404.004.051006.692.702842-44209.0019.762003.800.7944-45552.006.2410015.308.4545-40733.000.951004.563.34闭合差0.2517-37947.00-15.6115010.50-9.9437-41321.0016.332002.790.902941-40874.006.6310017.2015.0340-17562.00-5.0610010.40-5.84闭合差0.1438-17555.00-5.9110013.60-7.5517-40562.005.0610013.207.423040-39584.002.917521.3212.4539-38794.00-3.537515.82-12.56闭合差-0.2439-40584.00-2.917521.32-12.4540-45733.00-0.951004.56-3.343145-46710.002.877522.0315.6446-39722.00-1.701000.45-0.32闭合差-0.4846-45710.00-2.877522.03-15.6445-48891.00-7.781257.41-6.603248-47922.002.997521.3519.6847-46607.000.291004.562.7