AAO氧化沟_纤维转盘滤池用于污水厂改扩建

2020/2/24AAO氧化沟/纤维转盘滤池用于污水厂改扩建https://x.cnki.net/read/article/xmlonline?filename=gsps201722015&tablename=CJFDTOTAL&dbcode=CJFD&topic=&fileSourceType=1&taskId=&f…1/8中国给水排水,2017,22,67-70AAO氧化沟/纤维转盘滤池用于污水厂改扩建ApplicationofAAO-oxidationDitch/FiberTurntableFilterinRenovationandExpansionProjectofWastewaterTreatmentPlantLIUZhenBAOGuang-zhouWANGSongLIGuo-jinTianjinMunicipalEngineeringDesign&ResearchInstituteTianjinEnterpriseKeyLaboratoryofInfrastructureDurabilityChinaConstructionSixthEngineeringDivisionCorp.Ltd.刘振鲍广洲王松李国金天津市市政工程设计研究院天津市基础设施耐久性企业重点实验室中国建筑第六工程有限公司华南分公司摘要:三亚市荔枝沟水质净化厂改扩建工程规模为1.5×104m3/d,采用AAO氧化沟+辐流式二沉池+混凝沉淀池+纤维转盘滤池处理工艺,出水水质执行一级A排放标准。生物池采用AAO氧化沟,充分考虑与现状AAO氧化沟的统一和衔接;通过增加新建二沉池直径、新建混凝沉淀池和纤维转盘滤池等措施,降低现状二沉池和纤维转盘滤池负荷,提高对SS和TP的去除效果;并新建碳源投加间,提高对TN的去除效果。运行结果表明,提标改造工艺设计合理,出水水质稳定达到设计标准。关键词:污水厂改扩建AAO氧化沟混凝沉淀纤维转盘滤池作者简介：刘振(1988-),男,山东临沂人,硕士,工程师,从事给排水及环境工程设计工作。E-mail:545829706@qq.com收稿日期：2017-06-13Abstract：ThedesigncapacityoftherenovationandexpansionprojectofSanyaLizhigouWastewaterTreatmentPlantwas1.5×104m3/d.Consideringthewastewatercharacteristics,thecombinedprocessofAAO-oxidationditch,secondarysedimentationtank,coagulationsedimentationtankandfiberturntablefilterwasadopted.TheprojecteffluentwasrequiredtomeetthefirstlevelBcriteriaspecifiedofGB18918-2002.TheAAO-oxidationditchwasusedtogetherwiththefirst-phaseoxidationditch;thesecondarysedimentationtankandfiberturntablefilterhydraulicloadwerereducedviaseveralwayssuchasincreasingthediameterofthesecondarysedimentationtank,buildingcoagulativeprecipitationtankandturntablefilter,andimprovingtheremovaleffectsofSSandTP.Besidestheabovemethods,carbonsourcedosingdevicewasbuiltinordertoimprovetheTNremovaleffect.Theoperationresultsshowedthattheprocesswasdesignedreasonablyandtheeffluentqualitymetthedesignstandard.2020/2/24AAO氧化沟/纤维转盘滤池用于污水厂改扩建https://x.cnki.net/read/article/xmlonline?filename=gsps201722015&tablename=CJFDTOTAL&dbcode=CJFD&topic=&fileSourceType=1&taskId=&f…2/81设计规模及水质1.1设计规模1.2设计水质2一期存在问题及设计思路Keyword：renovationandexpa