【摘要】 主要介绍了酒精精馏的控制原理和方法,就如何运用PID调节控制,实现一种稳定性高、超调量小的酒精精馏塔温度控制进行了阐述,利用STEP 7软件对控制系统进行编程设计,并给出了工程的初值选取方法和系统运行效果。更多还原

【Abstract】 This paper mainly introduced the control principle and method of alcohol distillation. It expounded how to use PID control to realize the temperature control of alcohol distillation tower with high stability and small overshoot.The control system was programmed with step 7 software, and the initial value selection method and system operation effect were given.更多还原