折流式移动床中不同分布板倾角下气相流动行为的数值模拟

Effect of the Angle of the Inclined Perforated Plates on Gas-flow Behavior in a Z-path Moving Bed

通过k-(双方程模型和方程对折流式移动床内气体流动规律进行计算机模拟，着重考察了移动床内气流分布板的倾角对气体流动的影响. 模拟计算的气体压降结果和实验数据吻合. 并揭示了气流分布板的倾角对移动床内气体流动的具体影响规律.

k-( turbulence model and Ergun equation is applied to simulate the gas-flow behaviour in a Z-path-moving bed. Especially, the effect of the angle of the inclined perforated plates was investigated. The simulation result was agreed well with the experimental data, which demonstrated the reliability of the model. The simulation disclosed that, in a Z-path moving bed, with the enlargement of angle of the inclined perforated plates, the pressure drop reduced and the fact that gas flow towards the high end of the above perforated plate was enhanced.