污水处理厂设计

河南城建学院本科毕业设计 摘要

摘要

近年来，国家和各地方对污水处理厂的排放标准要求越来越严格，选择能够稳定达到《城镇污水处理厂污染物排放标准》(GB18918-2002)中一级B标准的工艺是新建污水处理厂和老污水处理厂升级改造所面临的关键问题。本设计主要介绍了河南省濮阳市清丰县规模30000m3/d的城市污水处理厂的工艺流程、各构筑物的工艺设计和平面高程设计等。

关键词：污水处理厂 排放标准 工艺设计

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河南城建学院本科毕业设计 Abstract

Abstract

In recent years, national and local on wastewater treatment plant emissions standards is more and more strict, choose to be able to achieve stability of the urban wastewater treatment plant emissions standards (GB18918-2002) level of standard B process is new sewage treatment plant and old sewage treatment plant upgrading the key problem facing. This design is introduced ZhongMouXian zhengzhou city scale for 30000m /d city sewage treatment plant, the process flow of the various structures process design and major equipment.

Keywords: sewage treatment plant emissions standards process design

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河南城建学院本科毕业设计 目录

目录

摘要 ................................................................. I 1、绪论 .............................................................. 1

1.1 设计任务 ...................................................... 1

1.1.1设计水量 ................................................. 1 1.1.2设计水质 ................................................. 1 1.2 城市概况 ...................................................... 1 1.3处理程度的计算 ................................................ 2

1.3.1溶解性BOD5的去除率 ...................................... 2 1.3.2 CODcr的去除率 ........................................... 2 1.3.3 SS的去除率 ...............