DOWNCOMER

作品数：7被引量：7H指数：2
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相关作者：王忠诚张敏卿张雅芝郑美茹黄洁更多>>
相关机构：中国石油化工股份有限公司天津分公司天津大学更多>>
相关期刊：《Transactions of Tianjin University》《Chinese Journal of Chemical Engineering》《Particuology》更多>>
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Rigorous design and economic optimization of reactive distillation column considering real liquid hold-up and hydraulic conditions of industrial device
《Chinese Journal of Chemical Engineering》2024年第12期211-226,共16页Yuchang Du Yiqing Luo Peilin Yang Shengkun Jia Xigang Yuan 
supported by the National Natural Science Foundation of China(22378304).
The liquid hold-up in a reactive distillation(RD)column not only has a significant impact on the extent of reactions,but also affects the pressure drop and hydraulic conditions in the column.Therefore,the liquid hold-...
关键词：Reactive distillation Liquid hold-up DOWNCOMER Tray hydraulics Pseudo-transient modeling method 
Hydrodynamics in commercial-scale internally circulating fluidized beds with different central downcomer outlets被引量：1
《Particuology》2020年第4期120-131,共12页Zhenliang Meng Mengxi Liu Nouman Ahmad Wei Wang Chunxi Lu 
Standpipes,or downcomers,are commonly used in fluidized beds to transport particles.The outlet structure of the downcomer greatly affects the performance of flow from it and even overall reactor performance.In this st...
关键词：Internally circulating fluidized bed Downcomer outlet EMMS CFD Particles flow 
Numerical simulation of counter-current flow field in the downcomer of a liquid-solid circulating fluidized bed被引量：4
《Particuology》2015年第4期48-54,共7页Abbas Dadashi Chao Zhang Jingxu(Jesse)Zhu 
supported by the Discovery Grant and Engage Grant from the Natural Sciences and Engineering Research Council of Canada(NSERC)
A comprehensive study on the hydrodynamics in the downcomer of a liquid-solid circulating fluidized bed （LSCFB） is crucial in the control and optimization of the extraction process using an ion exchange LSCFB. A com...
关键词：Liquid-solid circulating fluidized bed Computational fluid dynamics DOWNCOMER Two-phase flow Ion-exchange system 
An Experimental Study on Distribution of Vertical Stress in a Silo with a Central Inner Downcomer
《Chinese Journal of Chemical Engineering》2002年第2期254-257,共4页景山 易江林 王金福 汪展文 金涌 
The distribution of vertical stress for both active and passive state in the silo with a central innerdowncomer is reported in this paper. Experimental measurement of the axial distribution of vertical stress for both...
关键词：SILO inner downcomer vertical stress distribution 
An Experimental Study on Gravity Blending Silo with an Inner Downcomer
《Chinese Journal of Chemical Engineering》2000年第3期276-278,共3页易江林 景山 陈银飞 郭艳 金涌 
A novel gravity blender with an inner downcomer was experimentally studied in this work. The flow characteristics of solid through the downcomer with branch pipes and the influence of the number of intake openings and...
关键词：gravity blending SILO inner downcorner 
DOWNCOMER MIXING AND ITS EFFECT ON DISTILLATION TRAY EFFICIENCY被引量：2
《Transactions of Tianjin University》1998年第1期19-25,共7页张敏卿 王忠诚 张雅芝 黄洁 郑美茹 
In this paper, the measurement of liquid mixing in a downcomer of segmental type of distillation column is presented. The extent of liquid mixing is calculated by means of a mixing pool model. The results indicate tha...
关键词：distillation tray downcomer mixing mixing pool model tray efficiency 
LIQUID BACKMIXING AND CIRCULATION IN RECTANGULAR DOWNCOMER
《Chinese Journal of Chemical Engineering》1997年第4期89-93,共5页俞晓梅 田军 
1 INTRODUCTIONDowncomers,employed in tray columns,are widely used nowadays in industrialseparation processes.They function as channels for the liquid phase to fall fluentlyfrom one tray onto its neighbouring places fo...
关键词：RECTANGULAR DOWNCOMER BACKMIXING CIRCULATION SQUARE deviation 
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