DCS在炼厂尾气脱硫装置上的应用

Application of the DCS in the Tail Gas Desulphurization Unit of Refinery

介绍了DCS在北海石油化工厂 340kt/a重油催化裂化产品精制系统脱硫装置上的设计与应用。针对装置工艺流程特点及特殊要求 ,选择有效控制方案 ,并采用DCS实施。重点介绍液化气吸收塔双界面选择性控制方案设计与实施过程。

The design and application of DCS in the desulphurization unit of the 340 kt/a deep catalytic products refining system of Beihai petrochemical plant is introduced.According to the process characteristic of the unit and the special requirement the effective control plan is chosen and carried into execution by the DCS.The design and implement of the bi interface selective control plan in LPG absorber is introduced. The advantage of DCS is simply shown.