典型南方地区城市供水管网水质状况分析
- 海之魂
-
0 次阅读
-
0 次下载
-
2020-03-07 10:07:12
文档简介:
净水技术2015,34(s1):57—61WaterPurificationTechnology典型南方地区城市供水管网水质状况分析赖乃聪一-,游浩荣z一,钟福宏,一,钟丹z一,何明志,一,吴晨光z一,周绮婷一,彭旭辉1,2(1.瀚蓝环境股份有限公司,广东佛山528200;2.广东省城市水循环与水质安全保障技术企业重点实验室(产学研)培育基地,广东佛山528200;3.哈尔滨工业大学城市水资源与水环境国家重点实验室,黑龙江哈尔滨150090)摘要对2013年南方某城市供水管网各采样点数据进行整理,根据管网的拓扑结构选取其中具有代表性的14个采样点进行水质调查分析,阐明该区管网的水质现状。分析所选用的水质因子为浊度、余氯、pH、耗氧量和菌落总数,并采用Pearson和Spearman相关性分析法进行分析。结果表明不同采样点水样的浊度、pH和耗氧量相差不大,而余氯则与菌落总数呈显著的负相关关系;耗氧量季节性变化最明显,与水温呈显著地负相关关系;管网中水的pH受原水pH影响,呈折线下降趋势;管网末梢与供水交界区域水质稳定性差,需加强监控。关键词供水管网水质监测点典型南方地区水质因子中图分类号:TU990-3文献标识码:A文章编号:1009—0177(2015)sl一0057—05AnalysisofWaterQualityStatusofWaterSupplyNetworkinTypicalAreasinSouthernChinaLaiNaicong一,YouHaorong,ZhongFuhong一,ZhongDan”,HeMingzhi,WuChenguang2,ZhouQiting,PengXuhui。’(.GrandblueEnvironmentCo.,Ltd.,Foshan528200,China;2.GuangdongProvincialKeyLaboratoryofUrbanWaterCycleandWaterQualitySecurityTechnology,Foshan52820~China,3.StateKeyLaboratoryofUrbanWaterResourceandEnvironment,SchoolofMunicipalandEnvironmentalEngineering,HarbinIn-stituteofTechnology,Harbin150090,China)AbstractAftercollectingdataonwaterqualityofmonitoringpointsinwatersupplynetworkinacertainsoutherncityofChinaanddoingwaterqualityanalysisof14monitoringpointsthatareselectedbasedontopologyofthenetwork,thispaperwillexpoundthecurrentsituationofwaterqualityinNanhai.Turbidity,residualchlorine,pH,oxygenconsumptionaswellasstandardplate-countbacteriaareusedaswaterqualitygenesandPearsonandSpearmancorrelationanalysisareadopted.TheresultshowsthatthereislittledifferenceinTurbidity,pH,oxygenconsumptionamongdifferentpointsandaprominentnegativecorrelationbetweenresidualchlorineandstandardplate—countbacteria.Oxygenconsumptioncorrelateswithwatertemperaturenegatively.pHofwatersamplesismainlyaffectedbypHofrawwaterandithasadowntrend.Waterinperipheralandjunctionalzoneofthenetworkisunstableinquality,SOitneedstobeimproved.KeywordswaterdistributionsystemwaterqualitymonitoringpointstypicalareasofsouthernChinawaterqualitygene1城区供水管网简介经济快速发展与国民生活水平的提高,对饮用水水质提出了更高的要求。供水管网是个复杂的系统,处理达标的出厂水在管网流动过程中会发生一系
评论
发表评论