某小型污水处理厂方案设计(1000吨)

某小型污水处理厂方案设计(1000吨)

XXXXXXXXXXXX污水处理厂

1000t/d工程

方 案

XXXXXXXXXX

2015年7月

目 录

1概述 ........................................................................................................................3

1.1项目背景 ..................................................................................................3 1.2编制目的 ..................................................................................................3 1.3工程内容 ..................................................................................................3 1.4方案编制依据 ...........................................................................................4 1.5方案编制原则 ...........................................................................................4 1.6编制范围及设计内容 ................................................................................5 1.7采用的主要设计规范、标准 ......................................................................6

2污水进出水水质确定 ...............................................................................................7

2.1污水进水水质 ...........................................................................................7 2.2出水水质要求 ...........................................................................................8

3 工程方案论证 .........................................................................................................8

3.1工艺选择原则 ...........................................................................................8 3.2工艺选择及特点分析 ................................................................................9 3.3工艺流程图 ............................................................................................. 19

4 工程方案设计 ....................................................................................................... 21

4.1 格栅井、集水池 ..................................................................................... 21 4.2调节池 .................................................................................................... 22 4.3气浮池 .................................................................................................... 22 4.4厌氧池 .................................................................................................... 23 4.5缺氧池 .................................................................................................... 24 4.6 好氧池 ................................................................................................... 25 4.7沉淀池 .................................................................................................... 26 4.8中间水池 ................................................................................................ 27 4.9多介质过滤器 ......................................................................................... 28 4.10消毒池 .................................................................................................. 29 4.11 化学污泥池 .......................................................................................... 30 4.12 生化污泥池 .......................................................................................... 30 4.13设备间 .................................................................................................. 31 4.14 事故池 ................................................................................................. 31 4.15水厂总平面的设计原则 ......................................................................... 32 4.16供配电工程 ........................................................................................... 32 4.17自控设计 .............................................................................................. 34 4.18结构工程 .............................................................................................. 35

4.18.1 设计原则 ...................................................................................................... 35 4.18.2 设计依据及条件 ............................................................................................ 36 4.18.3设计标准 ....................................................................................................... 37 4.18.4抗震设计 ....................................................................................................... 37

4.18.5结构耐久性 ........................................................................................ 37 4.18.6设计荷载 ........................................................................................... 39 4.18.7材料要求 ........................................................................................... 40

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