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Authors: Xubo Luo 1 ; Jinsheng Sun 1 ; Jichao Ren 2 ; Hong Gao 1 ; Linan Li 1 and Chuanxin Pan 1

Affiliations: 1 Tianjin University, China ; 2 China Special Equipment Inspection and Research Institute, China

Keyword(s): Combined Gas Distributor, Computational Fluid Dynamics (CFD), Gas Distribution, Mal-distribution Factor, Pressure Drop.

Related Ontology Subjects/Areas/Topics: Application Domains ; Chemical and Petroleum Engineering ; Complex Systems Modeling and Simulation ; Fluid Dynamics ; Simulation and Modeling

Abstract: In the chemical and process industries, it is a challenge to achieve a uniform initial gas distribution for the packed column with super large diameter and large feed pipeline. This paper suggests a novel combined gas distributor with a large diameter of 6.2m, which integrates a twin-tangential annular flow vapour horn and a shell vane type inlet device (SchoepentoeterTM, Sulzer Ltd., Switzerland). CFD simulations were carried out to evaluate the performance of the distributor in a column of 6.2m in diameter with a feed pipeline of 3m in diameter. The uniformity of the gas flow on a horizontal plane over the gas distributor was assessed by means of pressure drop and the mal-distribution parameter. Several factors that affect gas distribution, such as the gas inlet velocity, the width of the annular channel,and the split ratio between the radial and annular channels, were analysed comparatively. The gas distribution was found to be more uniform when the annular channel width was 500 m m and the split ratio was 4. Several structural improvements were suggested with their proof simulations showing the superiority of the improved structures over the prototype. (More)

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Paper citation in several formats:
Luo, X.; Sun, J.; Ren, J.; Gao, H.; Li, L. and Pan, C. (2013). CFD Simulation of a Large-diameter Combined Gas Distributor. In Proceedings of the 3rd International Conference on Simulation and Modeling Methodologies, Technologies and Applications - SIMULTECH, ISBN 978-989-8565-69-3; ISSN 2184-2841, pages 431-437. DOI: 10.5220/0004427304310437

@conference{simultech13,
author={Xubo Luo. and Jinsheng Sun. and Jichao Ren. and Hong Gao. and Linan Li. and Chuanxin Pan.},
title={CFD Simulation of a Large-diameter Combined Gas Distributor},
booktitle={Proceedings of the 3rd International Conference on Simulation and Modeling Methodologies, Technologies and Applications - SIMULTECH,},
year={2013},
pages={431-437},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0004427304310437},
isbn={978-989-8565-69-3},
issn={2184-2841},
}

TY - CONF

JO - Proceedings of the 3rd International Conference on Simulation and Modeling Methodologies, Technologies and Applications - SIMULTECH,
TI - CFD Simulation of a Large-diameter Combined Gas Distributor
SN - 978-989-8565-69-3
IS - 2184-2841
AU - Luo, X.
AU - Sun, J.
AU - Ren, J.
AU - Gao, H.
AU - Li, L.
AU - Pan, C.
PY - 2013
SP - 431
EP - 437
DO - 10.5220/0004427304310437