东营市污水厂毕业设计计算说明书

摘要 东营市新建城镇污水处理厂设计

摘要

东营市新建城镇拟建一污水处理厂，污水厂位于新镇东北神仙沟与卫东河交汇处。卫东河水流由南向北与神仙沟在新镇东北角汇合流向渤海湾，排水采用分流制。经过处理后水质达到国家《污水综合排放标准》（GB50014-2006）一级标准。其中污水处理厂采用以奥贝尔氧化沟为主体的污水处理工艺流程，和以重力式浓缩池为主体的污泥工艺流程。该工艺具有工艺流程短、处理效果好、出水水质稳定、剩余污泥少、运行管理方便、基建与运行费用低等特点。 关键词：初步设计；重力式污泥浓缩池 ；奥贝尔氧化沟

I

Abstract The design of sewage treatment plant for Dongying

Abstract

A new waste water plant ,witch is located in the crossing of Shenxiangou and River Weidong ，will be constructed in town Dongyin. River Weidong's direction is from the sourth to north,and come across the Shenxiangou at the northeast of Dongying.Draining adopts the diffluencing way.The plant adopts the major technology process for Orbal oxidation ditch and gravitate thickeners. The disposal water should come to the criterion of GB50014-2006. The technology has characterizes for short-period process, high efficiency, steady water quality, small rest solids and low fees for construction and operation, and so on. And what's more, it will be operated and managed in a convenient manner.

Key words: preliminary designation; gravitation concentrated tank; Orbal Oxidation ditch

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目录

目录

摘要................................................................................................................................. I Abstract ......................................................................................................................... II 第一章 污水处理构筑物设计计算.............................................................................. 1

1.1泵前中格栅....................................................................................................... 1

1.1.1设计参数：............................................................................................. 1 1.1.2设计计算: ............................................................................................... 1 1.2污水提升泵房................................................................................................... 2

1.2.1设计参数................................................................................................. 2 1.3泵后细格栅....................................................................................................... 3

1.3.1设计参数................................................................................................. 3 1.3.2设计计算................................................................................................. 3 1.4沉砂池............................................................................................................... 4

1.4.1 设计参数................................................................................................ 4 1.4.2设计计算................................................................................................. 5 1.5厌氧池............................................................................................................... 6

1.5.1设计参数................................................................................................. 6 1.5.2设计计算................................................................................................. 6 1.6氧化沟............................................................................................................... 7

1.6.1设计参数................................................................................................. 7 1.6.2设计计算................................................................................................. 7 1.7二沉池计算..................................................................................................... 14 1.8紫外线消毒..................................................................................................... 15 1.9流量计............................................................................................................. 16 1.10配水井、配泥池........................................................................................... 16

1.10.1在沉砂池后设一配水井..................................................................... 16 1.10. 2在氧化沟前各设一个配水井，共设两座........................................ 17 1.10.3配泥井................................................................................................. 17

第二章 污泥处理构筑物设计计算.......................................................................... 19

2.1回流污泥泵房................................................................................................. 19

2.1.1设计说明............................................................................................... 19 2.1.2回流污泥泵设计选型........................................................................... 19

III

目录

2.2剩余污泥泵房................................................................................................. 19

2.2.1设计说明............................................................................................... 19 2.2.2设计选型............................................................................................... 19 2.3污泥浓缩池..................................................................................................... 20

2.3.1设计参数............................................................................................... 20 2.3.2 设计计算.............................................................................................. 20 2.4 贮泥池及污泥泵............................................................................................ 21

2.4.1设计参数............................................................................................... 21 2.4.2设计计算............................................................................................... 22

第三章 高程计算........................................................................................................ 23

3.1污水处理构筑物高程计算............................................................................. 23

3.1.1构筑物水头损失................................................................................... 23 3.1.2管渠水头损失....................................................................................... 23 3.1.3污水处理构筑物高程确定................................................................... 25 3.1.4 污泥处理构筑物高程.......................................................................... 26

第四章 污水厂设计说明书........................................................................................ 28

4.1污水厂的设计规模......................................................................................... 28 4.2进出水水质..................................................................................................... 28 4.3处理程度的计算............................................................................................. 28

4.3.1溶解性BOD5的去除率 ....................................................................... 28 4.4城市污水处理设计......................................................................................... 29

4.4.1工艺流程的比较................................................................................... 29 4.4.2工艺流程的选择................................................................................... 31 4.5污水处理构筑物设计..................................................................................... 31

4.5.1中格栅和提升泵房（两者合建在一起）........................................... 31 4.5.2细格栅和沉砂池................................................................................... 32 4.5.3厌氧池和氧化沟................................................................................... 33 4.5.4二沉池................................................................................................... 33 4.5.5紫外线消毒池....................................................................................... 33 4.6污泥处理构筑物的设计计算......................................................................... 34

4.6.1污泥浓缩池........................................................................................... 34 4.7 设计计算成果................................................................................................ 34 4.8 污水厂平面，高程布置................................................................................ 35

IV

目录

4.8.1平面布置............................................................................................... 35 4.8.2 管线布置.............................................................................................. 35 4.8.3 高程布置.............................................................................................. 35

结论.............................................................................................................................. 36 参考文献（references） ............................................................................................. 37 致谢.............................................................................................. 错误！未定义书签。

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