基于PLC的分程控制系统在白炭黑反应釜温度控制中的应用

摘要

The temperature control strategy for precipitated silica reactors was expounded. Basing on comparing it with traditional PID control algorithm and analyzing traditional split range control, a new split range control system based on temperature-varying control was proposed,including S7-200 PLC-based implementation,hardware and software design.%阐述了对某白炭黑化工厂生产用反应釜温度控制的策略和方法.通过与传统常用的PID控制算法进行对比,在分析了常规分程控制的基础上,提出了～种基于温差控制的分程控制方法.并介绍了通过S7-200系列PLC的实现过程,包括硬件设计及选型、软件程序设计等.