摘要
以对二甲苯装置的几个主要精馏塔的DCS改造为例 ,论述了精馏塔的几种自控方案及DCS改造实施过程。同时论述了一种新型的精馏塔自控方案 1.
A discussion of some auto-control programs and the DCS modification for the dislatators is made on base of the modification of the DCS for the distilators in para-xylene plantas examples. And the application and effect of a new auto-control program (1.5 thermal control)for the distillator is discussed also.
出处
《石化技术》
CAS
2001年第2期75-77,80,共4页
Petrochemical Industry Technology
