基于SBR工艺污水处理下位机控制系统设计
毕业论文
基于SBR 工艺污水处理下位机控制系统设计
摘要：随着工业自动化的普及与发展，要求有更加先进稳定、可靠的监控设备加入到控制系统中，以完成数据的`采集以及设备的安全运行。作为当今工厂企业重要的自动化控制设备之1，可编程逻辑控制器（PLC）已经被广泛的用于现代工业控制系统中，尤其适用于逻辑、顺序过程控制。它正随着计算机、通讯、网络等技术的进步全面迅速发展。
序批式活性污泥法，简称SBR法，是1种中、小型的污水处理方法。SBR工艺污水处理计算机监控系统的核心是可编程序控制器(PLC)。采用PLC不仅能够适应水处理系统的工艺特点，而且代表了现代工业的发展方向。
此监控系统分为上位机和下位机设计，系统的下位机采用了先进的西门子S7-200系列PLC（CPU 224）构成污水处理过程的控制核心，使用自由口通信协议与微机通信。
本文首先对水资源和SBR污水处理工艺作了1些介绍，然后叙述了PLC控制系统和protel 99，讨论了调试过程中出现的问题并提出了解决方案。最后系统达到预期的要求。
关键词：污水处理；SBR；PLC；S7-200；Protel 99
The Lower Position Machine Control System Design of The Craft Sewage Treatment Based on SBR
Abstract: Along with the popularization and the development of industrial automation, In order to complete the data gathering and the safety running of the equipment, more advanced, stable and reliable monitoring equipments are required to join the control system. As one of the important automation control devices in nowadays factories, the programmable logical controller (PLC) has already been used widely in the modern industry control system, especially for the logical, order process control. It is developing rapidly along with the progress of the computer, communication, network and so on. Sequencing Batch Reactor, which is called the SBR law, is a kind of center and small sewage treatment method .The core of SBR craft sewage treatment computer supervisory system is the programmable foreword controller (PLC). Using PLC not only could adapt to the craft characteristic of the water disposal system, but also represents the modern industry developed direction. This supervisory system is divided into the upper position machine and the lower position machine design, the system of the lower position machine uses advanced Simens S7-200 series PLC (CPU 224) to constitute the sewage treatment process the control core, and uses Free mouth correspondence agreement to communicate with the microcomputer.
This paper first has made some introductions to the water resources and the SBR technology for disposing of polluted water , then narrated the PLC control system and protel 99, discussed the issue which in the debugging process appears and proposed the solution. Finally the system meets the anticipated requirements. Key words: polluted water processing; SBR; PLC; S7-200; Protel 99
注释：不含源代码
【基于SBR工艺污水处理下位机控制系统设计】相关文章：
7.污水处理工艺论文