摘 要

Abstract:................................................ ..1

第1篇 设计说明书

1.设计原始资料.............................................2

1.1.自然条件................................................2

1.2.城市概况................................................2

1.3.设计（论文）主要内容................................4

1.4.要求完成的主要任务...................................5

2.水源选择和给水系统方案确定.........................5

2.1 水源选择...............................................5

2.2.净水厂厂址的选定....................................5

2.3 给水系统方案确定....................................6

3.取水工程设计概要........................................17

3.1取水方式选择............................................17

3.2取水构筑物..............................................18

4.净水厂设计概要...........................................20

4.1 加药系统、加药间.....................................20

4.2 絮凝沉淀池.............................................23

4.3 滤池.....................................................25

4.4 加氯系统、加氯间.....................................26

4.5清水池....................................................29

4.6吸水井和二级泵房.......................................29

4.7 辅助构筑物设计.........................................30

4.8 净水厂平面布置.........................................31

4.9 净水厂高程布置.........................................32

5.输配水管网设计概要......................................33

5.1.管网定线原则............................................33

5.2节点流量比流量...........................................34

5.3流量分配...................................................34

5.4管径确定...................................................35

5.5管网平差....................................................36

6 工程概算概要.................................................36

6.1 建筑工程总投资...........................................36

6.2 单位制水成本.............................................37

第2篇 设计计算书

1.用水量计算....................................................37

1.1最高日用水量..............................................37

1.2各组成部分设计规模......................................39

2.取水工程设计计算............................................39

2.1 取水头部..................................................39

2.2 进水管....................................................40

2.3 集水间.....................................................41

2.4 取水泵房..................................................42

3.净水构筑物设计计算.........................................48

3.1加药间的设计计算..........................................48

3.2 絮凝池设计计算...........................................50

3.3 沉淀池设计计算...........................................57

3.4 滤池设计计算..............................................59

3.5 加氯系统、加氯间的设计计算............................65

3.6 清水池设计计算............................................66

3.7吸水井和二级泵房设计计算................................69

3.8 辅助构筑物设计...........................................74

3.9 净水厂平面高程布置计算 ................................75

4.管网水力计算....................................................77

4.1节点流量的计算.............................................77

4.2.流量分配及管径水头损失计算.............................78

4.3管网平差及水压校核........................................80

5.工程概预算.......................................................81

5.1 管道造价...................................................81

5.2 取水工程造价..............................................81

5.3 净水工程造价..............................................81

5.4 清水池造价.................................................81

5.5 二级泵房造价..............................................81

5.6 建筑直接费.................................................82

5.7 建筑间接费.................................................82

5.8 建筑工程总造价............................................82

5.9 常年运转费.................................................82

5.10 单位制水成本.............................................84

结束语................................................................84

致 谢................................................................84

主要参考文献........................................................84

附录..................................................................85