Structure Optimization Research Based on Numerical Simulation of Flow Field in Ammonia-Based Wet Sintering Flue Gas Desulfurization

Ling Li, Buting Zhang (), Ping Zhu, Liangying Yu, Guangjin Zhao, Min Li and Hecen Wang
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Ling Li: State Grid Henan Electric Power Research Institute, Zhengzhou 450052, China
Buting Zhang: State Grid Henan Electric Power Research Institute, Zhengzhou 450052, China
Ping Zhu: Wuhan Longking Science & Technology Co., Ltd., Wuhan 430205, China
Liangying Yu: School of Power and Mechanical Engineering, Wuhan University, Wuhan 430072, China
Guangjin Zhao: State Grid Henan Electric Power Research Institute, Zhengzhou 450052, China
Min Li: State Grid Henan Electric Power Research Institute, Zhengzhou 450052, China
Hecen Wang: State Grid Henan Electric Power Research Institute, Zhengzhou 450052, China

Energies, 2022, vol. 15, issue 20, 1-13

Abstract: Although more and more desulfurization equipment has been put into use in sintering plants, how to effectively remove sulfur dioxide from sintering flue gas in a desulfurization tower is still a great challenge in China. The desulfurization tower, as a critical part, needs further improvement and optimization. Therefore, based on the numerical simulation of the flow field of the ammonia-based wet desulfurization tower for sintering flue gas, ANSYS CFX is applied to conduct structural optimization research. Comparing the flow field distribution under different structure conditions, the results show that the flue gas distribution of the dual inlet tower is more uniform than that of the single inlet tower. The designed baffle not only effectively blocks the entry of the spray slurry, but also improves the flue gas distribution; the deflector with its simple structure, convenient operation, and stepped distribution installed in the entrance section can improve the uniformity of the flow field distribution. Based on the comprehensive analysis, these optimized structures are recommended in the design of an ammonia-based wet sintering flue gas desulfurization tower. This work not only develops a simulation of the desulfurization tower but also provides practical structures.

Keywords: sintering flue gas; ammonia-based WFGD; structure optimization; numerical simulation; flow field (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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