中心进水周边出水辐流式沉淀池及其排泥机构设计.pdf

中心进水周边出水辐流式沉淀池及其排泥机构设计 摘 要 近年来随着生活水平的提高，城市生活污水和工业废水的排放量也逐年递增。 解决城市水污染的根本出路在于建设城市污水处理厂。我国在城市污水处理厂建 设方面成绩卓越。沉淀池作为城市污水处理厂的常规水处理构筑物，在水处理厂 中发挥重要的作用。而作为水处理中最基本方法的沉淀法，在水处理的不同阶段 都发挥着重要的作用。因此对沉淀池及其排泥机构的研究日益受到给排水工作者 的重视。本文分别论述了沉淀池的原理、典型的工艺流程和相关的设备，对 中心进水周边出水的辐流式沉淀池的各部分的结构和尺寸进行了设计，并对沉淀 池的刮泥机进行了设计 。这将为工程实际应用提供有力的参考。 关键词：沉淀，辐流式沉淀池，刮泥机 II 中心进水周边出水辐流式沉淀池及其排泥机构设计 Abstract With the improvement of living standard, the discharge of domestic sewage and industrial waster is becoming larger. The key way to solve this problem is to construct municipal sewage plant. In our country, the construction of municipal sewage plant has received a great success. Sedimentation tank is one of the general build of the municipal sewage plant. It is of a great importance in the effluent plant. Sedimentation is the basal technique in water treatment, and it is very important in every phases of water treatment. So the study of sedimentation tank and sludge dredgers is more and more important. In this paper, the elements of sedimentation tank, typical flow and some correlative facility are introduced. The configuration and dimension and the sludge dredgers of the radial flow sedimentation tank are designed, in which the inlet in the center and the outlet in the circumjacent. It will provide a powerful reference of the project appliance. Key words ：sedimentation, radial flow sedimentation tank, sludge dredgers IIII 中心进水周边出水辐流式沉淀池及其排泥机构设计 目 录 第一章 前言 1 1.1 概述 1 1.2 选题背景及研究意义 1 1.3 国内外发展状况 3 1.4 本论