摘要
南昌市中心城区已建有5座污水处理厂,运行下来发现普遍存在实际进水水质远小于设计值、进水浓度偏低的状况,分析出了地下水渗入、化粪池设置不合理、排水体制不完善、居民用水量大幅提高和污水管道内沉积等5个方面的主要原因。结合南昌地区实际情况,针对5大原因提出了相应的解决措施,提出应以最经济合理的设计、施工,降低城镇污水处理厂的污水处理成本,实现污水处理效益的最大化。
There are five sewage treatment plants in downtown of Nanchang,and after operations,the issues of practical inflow quality being far less than the designed value and inflow concentration being lower are appeared usually.And five main causes to this condition are analyzed including ground water permeating,unreasonable setting up of digestion tank,incomplete drainage system,large raising of residential water consumption and sediment of sewage conduit,etc.Combined with the practical condition in Nanchang area,there are corresponding countermeasures proposed aiming at these five causes with the most economical and reasonable design & construction,reducing sewage treatment cost of these plants and realizing the maximum sewage treatment effect.
出处
《中国市政工程》
2012年第1期24-25,81,共2页
China Municipal Engineering
关键词
南昌市
城镇污水处理厂
进水浓度
Nanchang
urban sewage treatment plant
inflow concentration
