摘要
苏州市吴江横扇污水处理厂提标改造工程规模0.5万m3/d,改造内容包括新建二级提升泵房、反硝化深床滤池、消毒池、污泥浓缩池、除臭生物滤池、鼓风机房及配电间等设施.同时对现状AAO氧化沟进行改造,由转碟曝气改为底部鼓风曝气.工程建设完成后,出水水质优于地表准Ⅳ类标准,有效地改善了周边的水体环境.
Abstract
The scale of the upgrading and reconstruction project of Suzhou Wujiang Hengshan Wastewater Treatment Plant(WWTP)is 5 000 m3/d.The reconstruction contents are to newly build a two-stage lifting pump house,denitrification deep bed filter,disinfection tank,sludge thickening tank,deodorizing biological filter,blower house,power distribution room and other facilities.At the same time,the current AAO oxidation ditch is reconstructed,which is changed from the rotating dish aeration to the bottom blowing aeration.After the completion of the project,the effluent quality is better than the surface Class Ⅳ standard,which effectively improves the surrounding water environment.
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