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ID:12091660
大小:4.33 MB
页数:127页
时间:2018-07-15
《毕业设计江西永丰县城给水工程扩大初步设计》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、摘要江西永丰县城给水工程扩大初步设计专业:给水排水工程学号:20090110020111学生姓名:徐志刚指导教师:唐朝春摘要本设计题目为:江西永丰县城给水工程扩大初步设计,设计规模为:近期50000,远期60000,进水水质符合国家规定的饮用水源水质标准要求。根据所给资料进行给水工艺设计和单体构筑物设计计算,包括取水输水构筑物设计、输配水管网设计、净水厂设计、工程概算和制水成本计算。净水厂采用工艺流程为:源水→一泵站→混凝剂投入管式混合→折板絮凝池→平流沉淀池→V型滤池→清水池→二级泵房→城市给水
2、管网。选用聚合氯化铝为混凝剂,液氯为消毒剂。水厂出水水质要求达到《生活饮用水卫生规范》(GB5749—2006)。此净水厂的建筑工程总造价为83122074元,年经营费用为10209474元,单位制水成本为0.79元/m。关键词:永丰县;给水工程;净水厂;一级泵站;折板絮凝池;平流沉淀池;V型滤池;清水池;二级泵站;城市管网I摘要ThepreliminarydesignoftheexpansionofJiangxiCountyofYongfengwatersupplyprojectAbstract
3、ThemaintaskofthisdesignisinyongfengCountyinJiangxiProvince,thepreliminarydesignofthecountywatersupplyproject.Thekeyelementsofdesign:designtodeterminethesize,watersupplysystems,watersupplyschemes,waterengineering,watertreatmentplantdesign,thesecondaryp
4、umpingstationdesignandlosers.Waterdistributionnetworkwiththecalculationandadjustment.Designspecificationanddesignofthebookiscomposedoftwopartscalculation.ThetopicofthisdesignisthepreliminarydesignoftheexpansionofJiangxi:YongfengCountywatersupplyengine
5、ering,designsize:therecent50000,forward60000,thewaterqualitytomeettherequirementsofdrinkingwatersourcewaterqualitystandardsprescribedbythestate.Accordingtothedataofdesigncalculationofwatersupplyprocessdesignandsinglebuilding,includingwaterconveyancest
6、ructuredesign,deliveryanddistributionpipenetworkdesign,waterpurificationplantdesign,projectbudgetandwatercostcalculation.Netwaterusingprocess:water→onepumpingstations→coagulantintotubularmixing→foldedplateflocculator→horizontalflowsedimentationtankV→t
7、ypefilter→cleanwaterpond→twopumpingstation→citywatersupplynetwork.Polyaluminumchlorideasacoagulant,liquidchlorineasdisinfectant.Waterqualitymeetstherequirementof"thesanitarystandardfordrinkingwater"(GB5749-2006).Keywords:YongfengCounty;watersupplyengi
8、neering;waterworks;onepumpingstation;foldedplateflocculator;horizontalflowsedimentationtank;Vfilter;clear;twostagepumpingstation;citypipenetwork.I目录目录第一篇设计说明书1第1章工程概述11.1城市概述11.2设计内容6第2章设计水量72.1用水量计算72.2最高日用水量变化82.3水塔和清水池9第3章管网水力计算123.1管网定线123
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