Abstract
The emissions of mercury from coal-fired flue gas poses a major threat to public health and ecosystems. Modified magnetospheres (CC-MF) mercury removal technology provides an economical, reusable, and eco-friendly solution, overcoming the drawbacks of conventional activated carbon injection (ACI) techniques. To address the issues of inadequate particle diffusion and uneven injection in traditional mercury removal injectors, this study developed a single-hole swirl injector. Furthermore, a mathematical model for mercury removal was developed and imported in the form of a UDF into Fluent for the evaluation of section coverage rate and mercury removal efficiency. The simulation results demonstrated that the section coverage rate of the swirl injector improved by 51.0%, reaching 81.0% compared to the direct injector. Additionally, the mercury removal efficiency increased by 41.3%, reaching 88.7%. This work identified the optimal operational parameters for the CC-MF mercury removal system, providing valuable insights for its practical application.
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