基于双输入多输出线性系统的甲烷化反应器动态行为分析(英文)

【摘要】：A double-input–multi-output linearized system is developed using the state-space method for dynamic analysis of methanation process of coke oven gas.The stability of reactor alone and reactor with feed-effluent heat exchanger is compared through the dominant poles of the system transfer functions.With single or double disturbance of temperature and CO concentration at the reactor inlet,typical dynamic behavior in the reactor,including fast concentration response,slow temperature response and inverse response,is revealed for further understanding of the counteraction and synergy effects caused by simultaneous variation of concentration and temperature.Analysis results show that the stability of the reactor loop is more sensitive than that of reactor alone due to the positive heat feedback.Remarkably,with the decrease of heat exchange efficiency,the reactor system may display limit cycle behavior for a pair of complex conjugate poles across the imaginary axis. 【作者单位】： Department
【关键词】： Coke oven gas methanation Synthetic natural gas Double-input–multi-output linearized system Dynamic analysis Limit cycle behavior
【基金】：Supported by the Major Research plan of the National Natural Science Foundation of China(91334101) the National Basic Research Program of China(2009CB219906) the National Natural Science Foundation of China(21276203)
【分类号】：TQ221.11
【正文快照】： r t i c l e i n f o a b s t r a c taArticle history:Received in revised form 2 August 2013Accepted 13 August 2013Available online 9 December 2014A double-input–multi-output linearized system is developed using the state-space method for dynamic analysis

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