A2O工艺污水处理厂课程设计.doc

文档介绍：A2O工艺污水处理厂课程设计
目录
引言 5
1设计任务及设计资料 6
6
6
6
6
7
7
2、设计说明书 7
7
7
CODr的去除率: 8
: 8
: 8
9
9
、污水厂总平面图的布置 10
、处理构筑物设计流量(二级) 10
、污水处理构筑物设计 11
(两者合建在一起) 11
、沉沙池 12
、初沉池 13
、厌氧池 13
、缺氧池 13
、曝气池 14
、二沉池 14
、污泥处理构筑物的设计计算 14
14
15
、污水厂平面,高程布置 15
15
16
高程布置 16
3 污水厂设计计算书 17
17
17
18
、沉砂池 21
、初沉池 22
、厌氧池 24
、缺氧池计算 25
、曝气池设计计算 25
、二沉池 33
35
污泥处理部分构筑物计算 36
: 36
储泥灌与污泥脱水机房设计计算 39
、高程计算 39
: 40
: 40
参考文献 41
致谢 42
Contents
Introduction ………………………………………………………………………………5
1 the task and the materials of design………………………………………………………6
the task and content of design…………………………………………………………6
the firsthand information of design…………………………………………………6
Meteorological materials of the city………………………………………………6
Geological materials………………………………………………………………6
the scale of Design………………………………………………………………7
quality of Pass in and out water……………………………………………………7
2 design instruction …………………………………………………………………………7
Calculation of the getting rid of rate……………………………………………………7
Getting rid of rate of dissolving BOD5…………………………………………………7
Getting rid of rate of CODcr …………………………………………………………7
Getting rid of rate of SS …………………………………………………………………8
Getting rid of rate of Total nitroge ………………………………………………………8
Getting rid of rate of Phosphate……………………………………………………8
Sewage disposal craft choice in the city…………………………………………………9
Arrangement of water works' general layout……………………………………………10
the flow of structures (Second ) ……………………………………………………10
design of disposal structures …………………………………………………………11