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运用系统动力学原理,采用因果关系和存量流量分析方法,在相对宏观的层面构建了钢铁生产过程烧结工序的铁素流动态模型。仿真结果准确,验证了系统动力学原理应用于钢铁生产流程研究的适用性及建模仿真的有效性。计算表明:烧结矿铁素流随时间的增加而不断增大,然后逐渐趋于稳定,且烧结矿铁素流在烧结初始时段增加速度最快;返回铁素流波动越大,烧结矿铁素流、损失铁素流和烧结机铁素重新达到输出稳定状态所需时间越长。
By using the principle of system dynamics, a dynamic model of ferrite flow in the sintering process of steel production process was constructed on the macro level using causal relationship and stock flow rate analysis. The simulation results are accurate. The applicability of the system dynamics principle to the research of steel production process and the validity of the modeling and simulation are verified. The calculation shows that the ferrite flow in sinter increases with the increase of time, then gradually stabilizes, and the ferrite flow in sinter increases fastest in the initial stage of sintering. The greater the fluctuation of ferrite flow, The longer the flow, the loss of ferrite flow, and the time required for sintering machine ferrite to reach output steady state again.