寒冷地区小城镇污水处理厂调节池性能的研究

摘要

小城镇污水处理厂进水的水质水量变化较大,针对哈尔滨市松北集乐污水处理厂中调节池的作用进行了研究,以期为污水厂的优化运行提供技术支持以及为调节池的设计提供理论依据。在调节池前后以及后续单元的出水处取样,每隔2个小时取一个样,总共取24个小时,然后进行COD、氨氮、总氮、总磷的测定。在冬季调节池对于水质的调节有明显的作用,但是污水厂出水的总氮、总磷浓度达不到一级A的标准。建议可以将一部分剩余污泥回流到调节池以强化脱氮除磷效果。%The influent water quality and quantity in small-town sewage treatment plants changed greatly.By studying the role of regulation pond in Harbin Songbei District Jile Sewage Treatment,this research can provide technical support and provide a theoretical basis for the design and the optimal operation of regulation pond in sewage treatment plants.Samples were collected before and after the regulation pond and follow-up unit every 2 hours within 24 hours and COD,ammonia nitrogen,total nitrogen and total phosphorus were determined.Regulation ponds play an important role inn the regulation of water quality in winter,but the concentration of total nitrogen and total phosphorus in sewage plant effluent failed the Grade A standards.Parts of the remaining sludge can be pumped back to the regulation pond to remove nitrogen and phosphorus.