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1、摘要 完成絮凝过程的絮凝池(一般常称反应池)，在 净水处理中占有重要的地位。天然水中 的悬浮物质及肢体物质的粒径非常细小。 为去除这些物质通常借助于混凝的手段，也就是 说在原水中加入适当的混凝剂， 经过充分混和，使胶体稳定性被坏(脱稳）并与混凝剂水介 后的聚合物相吸附，使颗粒具有絮凝性能。而絮凝池的目的就是创造合适的水力条件使这 种具有絮凝性能的颗粒在相互接触中聚集，以形成 较大的絮凝体(絮粒)。因此，絮凝池设计 是否确当，关系到絮凝的效果，而絮凝的效果又直接影响后续处理的沉淀效果。絮凝 搅拌 机是絮凝池机械搅拌的装置，它主要用于 废水处理的搅拌过程。本设计提到了絮凝池的设 计，搅拌机的 设计
2、 以及其工 艺流程。 关键词： 絮凝池 混凝剂 沉淀效果 絮凝性能 Abstract Accomplish flocculation process flocculation pool (call reaction in general often pool) , handle middle in clean water occupying important position. Natural water suspension matter and limb matter grain diameter are very trivial.Be to dislodge these matter
3、being backed by the means drifting along curdling generally , that is ,add the appropriate coagulant , blend through sufficiently in raw water, let colloid stability be spoiled the polymer (coming off after steady) and being situated between with coagulant water looks at and appraises an adsorption
4、, makes a pellet have the flocculation function. But, that flocculation pool purpose is to create appropriate waterpower condition makes this have flocculation function pellet assembling, to form bigger flocculation body (catkin granule) in contacting middle mutually. But therefore, flocculation poo
5、l designs thinking that indeed or not, effect being related to a flocculation, the flocculation effect has direct impact to follow-up treatment precipitayion effect. The flocculation mixer is flocculation pool mechanical rabble device , it is used for the waste water treatment mixing process mainly.
6、 Design the design having mentioned flocculation pool originally, the mixer design and whose process flow. Keywords: Flocculation pool Coagulant Precipitayion effect Flocculation function宁夏大学 2007届过程装备与控制工程专业毕业设计 1宁夏大学 2007届过程装备与控制工程专业毕业设计 0 目录 1 前 言 .1 1.1 毕业设计课题的目的、意义、国内外现状 .1 1.1.1 毕业设计课题的目的、意义.1
7、 1.1.2 国内外污水处理的现状.1 1.2 搅拌机在污水处理中的作用.2 1.2.1 搅拌机的发展概述.2 1.2.2 反应搅拌机的工作原理.2 1.3 絮凝的工作原理.3 1.4 水处理中的搅拌设备.3 1.5 絮凝搅拌机的适应条件和构造.3 1.5.1 絮凝搅拌机的适应条件.3 1.5.2 絮凝搅拌机的构造.4 1.6 本课题的设计思路.5 2 絮凝池的设计 .6 2.1 絮凝池的设计探讨.6 2.1.1 絮凝的相似关系.7 2.1.2 假设和设想.10 2.2絮凝池的设计要求及结果 .15 3 絮凝搅拌机的设计 .16 3.1设计原始数据 .16 3.2设计要点 .16 3.3设计计算数据 .
