基於SBR工藝的污水處理系統軟件設計
摘要：作爲當今工廠企業重要的自動化控制設備之1，可編程邏輯控制器（PLC）已經被廣泛的用於現代工業控制系統中，尤其適用於邏輯、順序過程控制。序批式活性污泥法，簡稱SBR法，是1種適用於中、小型的污水處理方法。
本文設計了1種基於SBR工藝進行污水處理的自動控制和微機監控系統的設計。系統的下位機採用了先進的西門子S7-200系列PLC（CPU 224）構成污水處理過程的.控制核心,並採用STEP7-Micro/WIN V3.2 編程軟件編寫PLC程序。上位機採用VB6.0作爲監控介面的編程語言，利用VB的通信控件MSComm向PLC發送控制字元。
本文首先對SBR污水處理工藝作了1些介紹，然後介紹了PLC控制系統和VB的編程，經過調試達到了設計的要求。
關鍵詞：污水處理；SBR；PLC；VB
Software design and research of the sewage treatment system based on SBR craft
ABSTRACT：Programmable Logic Controller (PLC) is the most important device for industrial control. It is especially suitable for logic processing control. Sequencing Batch Reactor Activated Sludge Process, SBR for short, is a middle and small scale sewage treatment methods.
This paper discusses a design of an automatic control and monitor system of computer for polluted water processing which uses SBR craft. The main device of the system is S7-200 series PLC（CPU 224）of Siemens Company and we use the software STEP7-Micro/WIN V3.2 to write the PLC program. VB 6.0 is used as the programming language to achieve the surveillance system, and the control characters is sent to PLC with MSComm that is an ActiveX of VB.
First ,we introduce the SBR sewage treatment craft ,then we describe the control system of PLC ,by debugging the program, it meets the design requires of system.
KEYWORDS： polluted water processing；SBR；PLC；VB
註釋：不含原始碼