介绍了三段中间再热式乙苯负压脱氢工艺、轴径向反应器及其在抚顺石化分公司的运行情况,建立了反应器模型,并对不同负荷工况条件下的生产进行了模拟,各反应器的转化率和选择性模拟计算值与实际分析值相吻合,该反应器模型可用于脱氢工艺分析并指导工业生产。 Described three intermediate reheat ethylbenzene vacuum dehydrogenation process, the axial radial reactor and its operation in Fushun Petrochemical Company, the establishment of the reactor model, and under different load conditions under the conditions of the production Simulation, the conversion rate of each reactor and the selectivity of simulated values ​​agree with the actual analysis, the reactor model can be used for dehydrogenation process analysis and guide industrial production.