污水好氧生化处理工艺节能增效的实践与探索

环境与发展92HUANJINGYUFAZHAN▲WURANYUFANGZHI污水好氧生化处理工艺节能增效的实践与探索谢伟1，刘小华1，胡嘉莹2（1.深圳市鼎和环保科技有限公司，广东深圳518049；2.深圳市深投环保科技有限公司，广东深圳518049）摘要:本文从污水好氧生化处理工艺的填料增效、强化前级固液分离、增加溶氧效率等方面进行工艺节能、增效的实践与探索，分析了各种节能降耗措施的原理和实施方法,并结合现有污水处理的运行经验,对这些技术方法进行了可行性探讨，提出了采用活性炭粉增加填料比表面积、结合污泥回流强化前级固液分离的旋流设备、增加曝气余气利用的生物倍增浮式生物筒等三个措施来提高效率，以此降低污水处理成本、减小用电量，达到节能降耗、增效提质的目标。关键词:增加填料比表面积；强化旋流分离；创新的浮式生物筒；节能增效中图分类号：X505文献标识码：A文章编号：2095-672X(2018)04-0092-02DOI:10.16647/j.cnki.cn15-1369/X.2018.04.052PracticeandexplorationofenergyconservationandefficiencyenhancementofaerobicbiochemicaltreatmentofsewageXieWei1,LiuXiaohua1,HuJiaying2(1.ShenzhenDingheEnvironmentalProtectionTechnologyCo.,Ltd.,ShenzhenGuangdong518049，China；2.ShenzhenShenInvestmentEnvironmentalProtectionTechnologyCo.,Ltd.,ShenzhenGuangdong518049，China)Abstract:Thepracticeandexplorationofprocessenergy-savingandefficiency-increasingfromtheaspectsofeffluentsynergismofsewageaerobicbiochemicaltreatmentprocess,intensificationofpre-solid-liquidseparationandincreaseofdissolvedoxygenefficiencyareanalyzed.Theprincipleandimplementationofvariousenergy-savingandconsumptionreductionmeasuresareanalyzedMethodsandcombinedwiththeoperationexperienceoftheexistingsewagetreatment,thefeasibilityofthesetechnicalmethodswasdiscussed,andtheapplicationofactivatedcarbonpowdertoincreasethespecificsurfaceareaofthefiller,combinedwiththesludgebackflowtostrengthenthecycloneequipmentoftheformersolid-liquidseparationandincreasetheaerationGasutilizationofbio-doubledfloatingbiologicaltubeandotherthreeaspectstoimproveefficiency,reducesewagetreatmentcostsandreduceelectricityconsumption,energysaving,efficiencyandimprovethequalityofthetarget.Keywords:Increasethespecificsurfaceareaofpacking;Strengthencycloneseparation;Innovativefloatingbiologicalcylinder;Energy-savingandefficiency随着环保管理的不断完善，城市及工矿企业污水处理规模的增加，污水处理的能耗也越来越引起重视。从长远看，污水处理工艺的节能、增效，将是一项长期的要求。好氧工艺污水处理是高能耗工艺之一，现有污水处理工艺的节能、增效主要从能耗单元审核、运行参数控制、设备升级改造等方面进行，出现了不少节能降耗新技术。1强化前级固液分离，减轻后续单元负荷现行的污水处理工艺流程，前期处理一般都是用格栅拦截颗粒物，但对于小颗粒的固体悬浮物没法拦截，采用密度高的拦截设备又