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中文摘要：
研究连续碳酸化分解过程输入输出运行规律，对其过程进行动态数学描述是实现氧化铝连续碳酸化分解生产过程优化控制的关键。针对实际连续碳酸化分解过程的工艺特点，将系统设计为ICSTR关联连续搅拌槽式反应釜模式。基于碳酸化分解过程物理化学机理，应用质量守恒定律，描述反应器中反应物成分浓度和脱硅精液流量和二氧化碳输入量之间的动态变化，建立了连续碳酸化分解过程系统非线性多重时滞的动态数学模型。通过数值计算及仿真，列出碳酸化分解过程实际测量值进行比较的结果，给出连续碳酸化分解各槽Al2O3浓度连续变化仿真曲线，验证模型能较好地体现系统即时变化过程，并讨论非线性模型解的相关问题。
英文摘要：
A continuous system with the mode of interactive continuous stirred-tank reactor （ICSTS） was proposed according to the processing characteristics of alumina carbonated decomposition. The nonlinear and multiple-time-delay dynamic mathematical model of carbonated decomposition was built up based on the physical and chemical mechanism of carbonated decomposition and mass conservation law. The dynamical relationship among the reactant component concentration in the reactor and the inputs of predesilicate green liquor and carbon dioxide was analyzed. Comparison between the calculated results and simulated ones shows that this model reflects the real process of carbonated decomposition. The simulating curves of the change of Al2O3 concentration are given. Lastly the solutions of nonlinear equation were discussed.
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