摘要
就原工作单位江苏利士德化工有限公司15万吨苯乙烯装置DCS系统进行简要介绍，对苯乙烯装置上脱氢单元较复杂的T-301塔比值控制和V-305罐组成串级均匀控制系统做详细说明，并针对蒸汽过热炉F-301出口温度TC-3008，TC-3015分别与燃料气压力PICA-3003／3003B，PICA-3004／3004B组成的串级控制系统做控制方案说明，通过论述苯乙烯脱氢单元自控仪表系统的主要控制方案，探讨了复杂控制算法在乙苯脱氢阶段控制系统中的应用。
Briefly introduces the original work units in Jiangsu Lishide Chemical Co., 150000 tons of styrene device of DCS system, the styrene dehydrogenation unit complex T-301 tower ratio control and V-305 tank cascade uniform control system in detail, and the steam heating furnace outlet temperature of TC-3008 F-301, TC-3015 are respectively connected with the fuel gas pressure PICA-3003/3003B, cascade control system consisting of a PICA-3004/3004B control scheme, the main control program of styrene dehydrogenation unit automatic instrument system, discusses the application of algorithm in the dehydrogenation of ethylbenzene stage control system of complex control.
出处
《电子测试》
2013年第5期74-77,共4页
Electronic Test
