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Research and development of advanced structured packing in a rotating packed bed

Chinese Journal of Chemical Engineering 2022年第9期35卷 178-186页

作者： Zhi-Guo Yuan Yu-Xia Wang You-Zhi Liu Dan Wang Wei-Zhou Jiao Peng-Fei Liang Shanxi Province Key Laboratory of Higee-Oriented Chemical Engineering North University of ChinaTaiyuan 030051China

As the core component of the rotating packing bed,packing is a place for efficient gas–liquid mixing and mass *** this paper,a 3D structured packing composed of a mesh structure and a support structure was *** mesh structure is a ring-shaped mesh surrounded by triangular meshes,which is stable in structure and can achieve a high degree of dispersion and aggregation of the liquid *** support structure is composed of ring-shaped structural units arranged at a certain angle along the axial direction,which can enhance the turbulence of the airflow while constructing regular gas-phase *** steel meshes of different diameters and supporting structures are alternately combined to form 3D packing,which is loaded in a layered cross-flow rotating packing *** results show that under the same operating conditions,the mass transfer performance of 3D packing and wire mesh packing are equivalent,and both are better than pall ring ***,the pressure drop of 3D packing is significantly lower than that of pall ring packing and wire mesh *** design and implementation of packing the development presented in this paper can be used to develop special structured packing for rotating bed,which can further improve the performance of rotating packed bed(RPB).

关键词： Rotating packed bed 3D printed packing 3D modeling Mass transfer Pressure drop gas–liquid channel

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