衡阳市某县城乡污水处理一体化项目工程设计

Engineering Design of Integrated Urban and Rural Sewage Treatment Project in A County of Hengyang City

乡镇生活的居民居住分散,污水排放系统不完善,普遍没有形成完整的处理系统,本项目涉及县城及其23个乡镇的污水处理站及配套管网工程选择AAO工艺,项目建设完成后,出水水质达到《城镇污水处理厂污染物排放标准》(GB18918-2002)中的一级A标准。乡镇污泥通过移动式污泥脱水车降低污泥含水率至80%,运输至污泥处置中心,集中进行处理。该项目使全县水环境质量全面改善,营造了良好的人居环境。

The residents living in villages and towns are scattered,the sewage discharge system is incomplete,there is not forming a complete treatment system generally.This project involved sewage treatment stations and pipe network projects of the county and 23 towns.AAO process was selected.After the project was completed,the effluent quality met the first grade A standard in Pollutant Discharge Standard for Wastewater Treatment Plants(GB18918-2002).The towns sludge was reduced to 80%by the mobile sludge dewatering truck and transported to the sludge disposal center for centralized treatment.This project improved the county s water environment quality comprehensively,improved and created a more good living environment.