1、 0 X X 工 业 大 学 毕业设计说明书 作 者: XX 学 号: XXXXXX 学 院: 土木工程学院 系(专业): 给水排水工程 题 目: 我国水污染现状 及某市 25 万吨污水处理工程设计 指导者: XXX 讲师 评阅者: (姓 名) (专业技术职务) 2016 年 12 月 1 中文摘要中文摘要 我国水污染现状及某市我国水污染现状及某市 2525 万吨污水处理工艺流程万吨污水处理工艺流程 摘要摘要: 随着社会经济的发展,人类生产和生活对水的需求量越来越多,水体污染和 水资源短缺成为目前人类生存和发展面临的重大问题之一。如何解决水污染问 题,保证用水安全是未来人类生存的一大挑战。本文
2、主要从我国的水环境问题出 发,在正确分析所需处理水的水量、水质的情况下,结合国内外水处理工艺,并 对比了各工艺的优缺点,最终采用 DE 氧化沟法对某市 25 万吨污水进行了处理, 该工艺同时具有脱氮除磷和去除有机物的功能,而且能够避免了污泥膨胀,保证 工艺的正常运行,达到污水排放的标准。在正确设计和计算的基础上,绘制了污 水厂的平面图和高程图以及各个单体的剖面图,使整个设计更加清晰直观。 关键词:关键词:水环境;污水;DE 氧化沟; 2 外文摘要外文摘要 TitleTitle:ChinaChinas water pollution status and the process of s wat
3、er pollution status and the process of 250000 tons of s250000 tons of sewage treatmentewage treatment A Abstractbstract: With the development of social economy, more and more water is demanded in peoples life and production. But water pollution and water shortages has become one of the major problem
4、s hindering peoples survival and development. How to solve the problem of water pollution and ensure water security is a major challenge for the future survival of mankind. According to the water environment, after analyzing water quality and water quantity, and comparing the advantages and disadvan
5、tages of each process ultimately choose DE Oxidation Ditch to treat 250,000 tons of water. The process has both nitrogen and phosphorus removal and removal of organic functions, and can avoid the sludge bulking, to ensure the normal operation of the process and achieve effluent discharge standards.
6、On the basis of proper design and calculation, drawing a sewage plant plan and elevation map and cross-sectional view of each monomer, so that the whole design seems more clear and intuitive. K Key wordsey words:water environment;polluted water;DE Oxidation Ditch 3 目录目录 中文摘要 1 外文摘要 2 1 绪论 - 1 - 1.1 污水处理厂的基础资料 - 1 - 1.1.1 设计资料 - 1 - 1.1.2 水质特点 - 1 - 1.2 我国水污染现状. - 2 - 1.3 国内外研究现状.