1河北工程大学毕业设计(论文)摘 要本 设 计 是 河 北 省 邯 郸 市 大 名 县 污 水 处 理 厂 的 初 步 设 计 。 进 水 水 质 : ,,,,,。设计的污水处理厂出水水质要达到国家《城镇污水处理厂污染物排放标准》(GB18918-2002)中一级标准的 A 级排放标准。本设计工程,计划将厂址建设在城区东部,污水处理厂地平面标高为 45.00m,整个厂区内建构筑物由南向北逐步降低。要求处理水量为的城市生活污水,针对污水处理厂的进水水质中的 N 和 P 的含量较高的特点,采用方法进行处理。该工艺同时具有脱氮除磷的功能,可以针对现今污水特点(水体富营养化)进行有效处理。将建设格栅间、污水提升泵房、平流沉沙池、平流沉淀池、生化池和二沉池的主要处理构筑物,污泥浓缩池、污泥消化和污泥脱水等污泥处理构筑物。本工程计划前期建设所需要投资为:3801.9492 万元,每年新增成本部分为:26.6346 万元。关键词:污水处理 脱氮除磷 2河北工程大学毕业设计(论文)AbstractThis design is the preliminary design of daming county sewage treatment plant in handan city, hebei province.The influent water quality; ,,,,,.Design of sewage treatment plant effluent water quality to meet the national "urban sewage treatment plant pollutant discharge standard" (GB18918-2002) in the level of the standard class A discharge standard.This design project, the plan will be the site of factory building in the city to the east, sewage treatment plant ground plane, elevation of 45.00 m, the entire factory built-in structure gradually reduce from the south to the north.The treatment of urban domestic sewage with water content of 25000 is required to deal with the high content of N and P in the influent water quality of the sewage treatment plant.The process have the function of denitrification and phosphorus removal at the same time, can according to the characteristics of the current sewage (eutrophication) for effective treatment.To build the grille, sewage pump room, advection sedimentation basin, advection sedimentation tank, biochemical pool of the pond, and the main treatment structures, sludge concentration pool, sludge digestion and sludge dewatering sludge treatment structures, etc. This project investment of prophase construction need: 38.019492 million yuan, the annual cost of new parts as follows: 266346 yuan.关键词:sewage treatment nitrogen and phosphorus removal 3目 录摘 要...........................................................................................................................................I绪 论......................................................................................................................................- 1 -第一章 设计概述...................................................................................................................- 2 -1.1 设计任务..................................................................................................................- 2 -1.2 设计资料..................................................................................................................- 2 -1.3 设计原则..................................................................................................................- 3 -1.4 设计依据..............