催化装置是所有石化企业的龙头车间,随着技术的不断革新,系统出现了硬件老化、备件短缺、技术支持不足等缺点,本文介绍了基于FISHER-ROSEMOUNT公司Delta V FOR PROVOX DCS控制系统对某石化企业的催化装置进行的升级改造,阐述了软硬件的整改方案,改造后的系统具有优越的性能,保证了生产的平稳运行。 Catalytic device is the leading workshop of all petrochemical enterprises. With the constant innovation of technology, the system has some shortcomings such as hardware aging, shortage of spare parts and lack of technical support. This paper introduces the control of a petrochemical plant based on FISHER-ROSEMOUNT Delta V FOR PROVOX DCS control system. Enterprise catalytic device upgrade, elaborated the software and hardware rectification program, the modified system has superior performance, to ensure the smooth operation of production.