In Lurgi-Thyssen dedusting system of steelmaking converter, the evaporative cooler represents a crucial operating unit, in which the hot dust-laden flue gas has to be cooled by saturation with water. The cooling process of the gas consists of gas-liquid two phase flow and interphase heat and mass transfer. In this paper, k-epsilon standard equations and Lagrange discrete phase model are employed to describe the gas turbulent flow and the heat/mass transfer with droplet evaporation individually. The computational fluid dynamics (CFD) simulation for practical engineering project shows that the large-flux cooling gas is commonly constructed in a non-uniform flow caused by the sharp turnings at the inlet and outlet channels. The unevenness of velocity distribution and the effective cooling height are defined in this paper to evaluate the cooling flow process. A series of newly designed structures with guide plate are investigated by CFD method to eliminate the problems with the non-uniformity. The results of numerical simulation show that optimal designed guide ring plate could improve the flow uniformity and the heat transfer. The investigations have been used to guide the engineering application.
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ASME 2013 Heat Transfer Summer Conference collocated with the ASME 2013 7th International Conference on Energy Sustainability and the ASME 2013 11th International Conference on Fuel Cell Science, Engineering and Technology
July 14–19, 2013
Minneapolis, Minnesota, USA
Conference Sponsors:
- Heat Transfer Division
ISBN:
978-0-7918-5548-5
PROCEEDINGS PAPER
Numerical Simulation and Structure Optimization of Converter Gas Evaporative Cooler Available to Purchase
Zeyi Jiang,
Zeyi Jiang
University of Science and Technology Beijing, Beijing, China
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Pengyuan Chen,
Pengyuan Chen
University of Science and Technology Beijing, Beijing, China
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Pan Liu,
Pan Liu
University of Science and Technology Beijing, Beijing, China
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Guanghe Tian
Guanghe Tian
Beijing Guohuaxinxing Energy Saving and Environmental Protection Technology Co., Ltd., Beijing, China
Search for other works by this author on:
Zeyi Jiang
University of Science and Technology Beijing, Beijing, China
Pengyuan Chen
University of Science and Technology Beijing, Beijing, China
Pan Liu
University of Science and Technology Beijing, Beijing, China
Guanghe Tian
Beijing Guohuaxinxing Energy Saving and Environmental Protection Technology Co., Ltd., Beijing, China
Paper No:
HT2013-17101, V002T07A030; 5 pages
Published Online:
December 21, 2013
Citation
Jiang, Z, Chen, P, Liu, P, & Tian, G. "Numerical Simulation and Structure Optimization of Converter Gas Evaporative Cooler." Proceedings of the ASME 2013 Heat Transfer Summer Conference collocated with the ASME 2013 7th International Conference on Energy Sustainability and the ASME 2013 11th International Conference on Fuel Cell Science, Engineering and Technology. Volume 2: Heat Transfer Enhancement for Practical Applications; Heat and Mass Transfer in Fire and Combustion; Heat Transfer in Multiphase Systems; Heat and Mass Transfer in Biotechnology. Minneapolis, Minnesota, USA. July 14–19, 2013. V002T07A030. ASME. https://doi.org/10.1115/HT2013-17101
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