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

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 op...

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Bibliographic Details
Published inEnergies (Basel) Vol. 15; no. 20; p. 7771
Main Authors Li, Ling, Zhang, Buting, Zhu, Ping, Yu, Liangying, Zhao, Guangjin, Li, Min, Wang, Hecen
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 01.10.2022
Subjects
Air pollution control
Ammonia
ammonia-based WFGD
Coal-fired power plants
Composition
Control
Desulfuration
Desulfurization
Desulfurizing
Efficiency
Environmental aspects
Flow control
flow field
Flue gas
Flue gas desulfurization
Flue gases
Gas flow
Industrial plant emissions
Inlet towers
Mathematical models
Methods
numerical simulation
Optimization
Pollution control equipment
Simulation
Sintering
sintering flue gas
Slurries
Software
structure optimization
Sulfur
Sulfur compounds
Sulfur dioxide
Velocity
China
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Summary: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.
ISSN:1996-1073
1996-1073
DOI:10.3390/en15207771