Abstract The inclined rotating fixed-bed reactor with inner tube is a promising process intensification concept for gas-limited reactions. In order to take full advantage of the reactor concept the installation of an inner concentric displacement tube is proposed to support the wetting intermittency of the whole fixed-bed at stratified flow with different liquid filling levels. The liquid phase distribution is characterized with a capacitance-based wire-mesh sensor, which is designed to cope with organic liquid, porous catalyst packings and reactor rotation. The effects of operating conditions and design parameters on flow stratification, liquid filling level and specific pressure drop are analysed to identify the process windows. Superficial liquid velocity and inclination angle were found to significantly influence the liquid filling level, while rotational velocity and superficial gas velocity have minor effects. Besides, reducing the particle diameter is an effective measure to manipulate the stratification patterns and the associated pressure drop.

中文翻译：

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同心管倾斜旋转固定床反应器工艺窗口的识别——流体动力学分析

摘要 带内管的倾斜旋转固定床反应器是气限反应的一种很有前景的过程强化概念。为了充分利用反应器的概念，建议安装一个内部同心置换管，以支持整个固定床在具有不同液体填充水平的分层流中的润湿间歇性。液相分布的特点是基于电容的丝网传感器，其设计用于处理有机液体、多孔催化剂填料和反应器旋转。分析操作条件和设计参数对流动分层、液体填充水平和特定压降的影响，以确定工艺窗口。发现表面液体速度和倾角显着影响液体填充水平，而旋转速度和表观气体速度影响较小。此外，减小粒径是操纵分层模式和相关压降的有效措施。