水质生物课设说明书.doc

目 录 第一部分 前言··················································1 一、设计目的·························································1 二、设计任务与内容···················································1 三、设计资料·························································1 第二部分 污水处理程度的确定····································3 一、设计期限和建设分期···············································3 二、污水处理厂位置选择···············································3 三、污水处理程度·····················································3 四、污水处理工艺流程·················································4 五、处理构筑物的选择·················································5 第三部分 污水处理构筑物的设计计算······························7 一、格栅·····························································7 二、沉砂池···························································8 三、初次沉淀池·······················································8 四、曝气池···························································9 五、二次沉淀池·······················································13 六、接触消毒池·······················································15 七、小结·····························································15 第四部分 污泥处理构筑物设计计算································16 一、污泥浓缩池·······················································16 二、消化池···························································17 三、污泥的机械脱水···················································19 四、小结·····························································20 第五部分 污水处理厂总体布置和处理效果分析······················21 一、平面布置·························································21 二、高程布置·························································21 三、污水处理厂效果分析···············································25 第六部分 参考资料··············································26 《水质生物净化工程》课程设计说明书 第一部分 前言 一、设计目的 该课程设计，是结合课程讲授内容，设计一个城市污水处理厂，使我们得到一次综合运用所学知识独立完成某一城市污水处理厂工艺设计的初步训练，从而达到巩固课堂所学的理论知识，培养和提高解决生产实际问题的能力。 通过课程设计，使我们在以下几个方面得到训练： 1、工程设计的基本方法、步骤、技术资料的运用； 2、基本计算方法及绘图能力； 3、综合运用本课程及其他有关课程的理论知识，解决工程实际问题； 4、熟悉、贯彻国家在环境保护和基本建设等方面的各