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Chemcial Industry and Engineering 2014, Vol. 31 Issue (6) :53-58    DOI: doi: 10.13353/j.issn.1004.9533.2014.06.010
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Numerical Simulation Study on Gas-Flow Field in Two Kinds of Precalciner with the Swirl Chamber
CHEN  Xiao-Lin,1 MEI  Shu-Xia1, XIE  Jun-Lin1, WANG  Jia-Jun2, WANG  Xuan-Qian2, HU  Zhen-Wu2
1State Key Laboratory of Silicate Material Architectures，Wuhan University of Technology，Wuhan 430070，China; 2Huaxin Cement Co.Ltd，Wuhan 430070，China

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Abstract Mathematical models were set up for two actual precalciners with swirl chambers for cement production．Three-Dimensional numerical simulations of gas-flow field were performed with computational fluid dynamics software in this paper．In Euler coordinate system，the fluid phase was expressed with the Realizable k-ε two equation model．The results of simulation showed that the characteristics of gas-flow of the two precalciners were similar．The gas rised spirally after being injected into the precalciner and the velocity in the center zone was lower．It also showed that larger diameter precalciner was more beneficial to prolong the residence time of materials in the precalciner, since the average residence time was 6.70 s in the small precalciner and 9.45 s in the big precalciner．
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Articles by authors
CHEN Xiao-Lin
MEI Shu-Xia
XIE Jun-Lin
WANG Jia-Jun-2
WANG Xuan-Qian
HU Zhen-Wu
Keywords： precalciner;   swirl chamber;   gas-flow field;   numerical simulation;   Realizable k-ε model     
Received 2014-04-17;
Fund:

国家科技支撑计划(2012BAC15B04)和国家“十二五”科技支撑计划项目(2011BAE29B01)。
Corresponding Authors: 谢峻林，E-mail:xjlclxy@126.com。     Email: xjlclxy@126.com
About author: 陈晓琳（1989-），女，硕士研究生，主要从事分解炉相关的数值模拟研究。
Cite this article:   
CHEN Xiao-Lin, MEI Shu-Xia, XIE Jun-Lin, WANG Jia-Jun, WANG Xuan-Qian, HU Zhen-Wu.Numerical Simulation Study on Gas-Flow Field in Two Kinds of Precalciner with the Swirl Chamber[J]  Chemcial Industry and Engineering, 2014,V31(6): 53-58
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