昆明市第十四污水处理厂工程设计技术方案_邱明海
- 污水处理护水清
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2020-02-29 22:36:07
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第45卷第1期2019年给水排水WATER&WASTEWATERENGINEERINGVol.45No.12019城镇污水收集处理系统提质增效过程中节能减排可行性分析赵晔1,2陈玮1徐慧纬1高伟1程彩霞1张晓亮3梁雨雯4(1住房和城乡建设部城乡规划管理中心,北京100835;2中科院地理科学与资源研究所,北京100101;3住房和城乡建设部信息中心,北京100835;4中国市政工程华北设计研究总院北京分院,北京100044)摘要污水处理厂电费约占日常运行费的40%,近年来,许多地方大力推进城镇污水处理厂提标改造,进一步增加了电耗,提高日常运行费用。分析了近10年城镇污水处理厂的运行数据,基于产污系数法测算了城镇污水处理厂提标到地表水准Ⅳ类标准和改善污水收集管网两种情形下削减BOD及新增能耗。结果显示,若将全国城镇污水处理厂全部提标到准Ⅳ类,可新增BOD削减7.75万t/年,同时新增能耗202100万kW·h/年;若将全国污水管网进行修复改善,可新增BOD削减量306万t/年,同时新增能耗245170万kW·h/年,通过提高进水浓度新增的BOD削减量,其单位能耗仅为目前单位BOD消减所需能耗的约1/2,节能效果显著。关键词城镇污水处理提质增效能耗节能减排污水处理费中图分类号:TU992文献标识码:A文章编号:1002-8471(2019)-0042-06DOI:10.13789/j.cnki.wwe1964.2019.01.008EnergyconservationandemissionreductioninupgradingandreconstructionofurbanwastewatercollectionandtreatmentsystemZhaoYe1,2,ChenWei1,XuHuiwei1,GaoWei1,ChengCaixia1,ZhangXiaoliang3,LiangYuwen4(1.Urban-RuralPlanningAdministrationCenterofMOHURD,Beijing100835,China;2.InformationCenterofMOHURD,Beijing100835,China;3.InstituteofGeographicSciencesandNaturalResourcesResearch,CAS,Beijing100101,China;4.NorthChinaMunicipalEngineeringDesign&ResearchInstituteCo.,Ltd.,BeijingBranch,Beijing100044,China)Abstract:Electricitycostabout40%ofdailyoperatingexpensesofsewageTreatmentPlant.Inrecentyears,upgradingandreconstructionofurbanwastewatertreatmentplantsarementionedalot,thatfurtherincreasesthepowerconsumption.Thispaperanalyzesthewastewatertreatmentplantperformancedataofthelast10years,tocomparetheBODdegradationandpowerconsump-tionundertwooperatingmode,oneisupgradingandreconstructionofurbanwastewatertreatmentplants,anotherisimproveseweragenetwork.Theresultshowsthatwiththefirstmethod(similartoclassⅣstandard)BODdegradationandpowerconsumptionwillincrease77500kg/a,and2.02billionkW·h/aseparately;WiththesecondmethodBODdegradationandpowerconsumptionwillincrease3.06millionkg/aand2.45billionkW·h/aseparately,whichismuchmoreefficient.Asaresult,improvingtheseweragenetworkshouldbethefirstchoicetocontrolthewaterpollutionbydomesticsewage.Keywords:Urbanwastewatertreatment;Upgradingandreconstru
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