1
目录
1 设计任务及概况 .........................................1
1.1 设计任务及依据 .............................................................1
1.1.1 设计任务 ...............................................................1
1.1.2 设计依据及原则 .........................................................1
1.1.3 设计范围 ...............................................................2
1.2 设计水量及水质..............................................................2
1.2.1 设计水量 ...............................................................2
1.2.2 设计水质 ...............................................................3
1.3.3 设计人口 ...............................................................3
2 工艺设计方案的确定 .....................................4
2.1 方案确定的原则..............................................................4
2.2 污水处理工艺流程的确定......................................................4
2.2.1 厂址及地形资料 .........................................................4
2.2.2 气象及水文资料 .........................................................4
2.2.3 可行性方案的确定 .......................................................4
2.2.4 工艺流程方案的确定 .....................................................6
2.2.5 污泥处理工艺流程 .......................................................7
2.3 主要构筑物的选择............................................................8
2.3.1 格栅 ...................................................................8
2.3.2 泵房 ...................................................................9
2.3.3 沉砂池 .................................................................9
2.3.4 初沉池、二沉池 .........................................................9
2.3.5 曝气池 ................................................................10
2.3.6 接触池 ................................................................11
2.3.7 计量槽 ................................................................11
2.3.8 浓缩池 ................................................................12
2.3.9 消化池 ................................................................12
2.3.10 污泥脱水 .............................................................13
3 污水处理系统工艺设计...................................13
3.1 格栅的计算.................................................................13
3.1.1 粗格栅 ................................................................13
3.1.2 格栅的计算 ............................................................13
3.1.3 选型 ..................................................................16
3.2 泵房.......................................................................17
3.2.1 泵房的选择 ............................................................17
3.2.2 泵的选择及集水池的计算 ................................................17
3.2.3 扬程估算 ..............................................................17
