水污染控制工程课程设计

水污染控制工程课

程设计

2020年4月19日

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摘要

本次课程设计的题目为某城市污水处理厂设计,结合当地的水质情况、处理量等多方面因素考虑,选择一体化氧化沟法水处理工艺,使水质达到处理要求,并对各个水处理构筑物进行了尺寸和处理指标方面的计算,最后布置了整体平面图及高程图。

该污水厂的设计处理量为30000m3/d

处理厂处理流程为:污水→粗格栅→提升泵房→细格栅→辐流式沉砂池→卡鲁塞尔氧化沟→ 二沉池→接触消毒池→出水。

污泥流程:剩余活性污泥→污泥提升泵房→浓缩脱水一化车间 →污泥外运

污水排放应执行<污水综合排放标准(GB8978－1996)>中的二级标准.

关键词:

污水处理厂 卡鲁塞尔氧化沟

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目 录

一、绪

论......................................................

.1 二、设计内

容···························

·······················2

三、污水厂的设计规

模···························

···············3

四、进出水水

质···························

·····················3

五、处理程度的计

算···························

·················3

六、城市污水处理设

计···························

···············5

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1、工艺流程的比

较·························

················4

2、工艺流程的选

择·························

················7

七、污水处理构筑物设

计···························

·············8

1.粗格栅和提升泵房(两者合

建)·························

·····8

设计计

算··············································8

2、细格栅和沉砂

池·························

················18

八、污泥处理构筑物的设计计

算···························

······40

1、污泥泵

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房··············································错误!未定义书

签。7

2、贮泥

池················································27

3、污泥浓缩

池···········································错误!未定义书签。

4

、

排

泥

泵

房··············································29

九、污水厂平面,高程布

置···························

··········30

1、平面布

置·························

·····················30

2、管线布

置·························

·····················30

3、高程布

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