小城镇污水处理毕业设计.doc

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1、目录1绪论..............................................61.1前言.............................................61.1.1我国水处理现状与发展..........................61.2设计原始资料.....................................71.2.1设计参数......................................72工艺设计方案的确定及

2、构筑物的选择...................82.1污水处理厂的选址................................82.2污水处理工艺流程的确定..........................82.2.1工艺比较分析.................................82.2.2工艺流程方案的确定..........................102.3主要构筑物的选择..............................112.3.1格栅...

3、.....................................112.3.2沉砂池......................................112.3.3初沉池......................................112.3.4曝气池......................................122.3.5消毒接触池..................................122.3.6污泥浓缩池............

4、......................122.3.7贮泥池......................................122.3.8消化池......................................132.3.9污泥脱水....................................133污水处理系统工艺设计..............................133.1粗格栅的计算................................

5、.....133.1.1原始设计参数................................133.1.2进水格栅设计................................133.2曝气沉砂池的计算.................................163.2.1池体计算....................................163.2.2沉砂池尺寸计算..............................173.2.3排砂设备........

6、............................183.2.4曝气系统设计计算............................183.3辐流初沉池计算...................................193.3.1池体计算....................................193.3.2进出水设计..................................223.4SBR池的计算............................

7、..........243.4.1池体计算....................................253.4.2曝气系统设计与计算..........................293.4.3供气量......................................303.4.4空压机房....................................313.4.5滗水器......................................323.5消毒接触

8、池.......................................323.5.1接触池尺寸计算..............................323.5.2加氯间......................................333.5.3排泥设施....................................334污泥处理系统工艺设计................................334.1污泥浓缩池.........