Abstract
To solve the problem of excessive dust concentration in the belt transportation roadway of the mine. Numerical simulations were used to study the dust migration in the belt transportation roadway under 1.5 m/s ventilation conditions. The simulation results show the process of dust ejection from the inflow chute to contamination of the whole belt transportation roadway, and the spatial distribution of dust velocity. A comprehensive dust reduction scheme of “central suppression and bilateral splitting” was designed according to the dust distribution, with simultaneous control of the infeed chute and the roadway. In practical application, pneumatic spraying greatly reduces the amount of dust in the guide chute. The misting screen has a significant effect on dust collection and segregation. The solution effectively controls the dust in the space of 20 m on both sides of the transfer point, and the dust removal efficiency reaches more than 90%.
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Some or all data, models, or code generated or used during the study are available from the corresponding author by request.
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The authors are grateful to all research staff that contributed to the data collection required for this study.
Funding
This work was funded by the Liaoning Natural Science Foundation General Program Project (Project No. 2020-MS-304); National Natural Science Foundation Youth Fund Project (Project No. 51704146); Liaoning Technical University Discipline Innovation Team Project (project number LNTU20TD-18).
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Deji Jing, Mingxing Ma: conceptualization, methodology, formal analysis, investigation, resources, data curation, writing—original draft, writing—review and editing, and visualization. Shaocheng Ge, Tian Zhang: con- ceptualization, methodology, formal analysis, investigation, resources, data curation, writing—original draft, writing—review and editing, visualization, supervision, and project administration. Xiangxi Meng: validation, investigation, writing—review and editing, and visualization. Shuaishuai Ren: investigation and visualization. All authors read and approved the final manuscript.
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Jing, D., Ma, M., Ge, S. et al. Study on the dust migration law and a spray dust suppression scheme in transportation roadway. Environ Sci Pollut Res 30, 59316–59326 (2023). https://doi.org/10.1007/s11356-023-26716-9
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DOI: https://doi.org/10.1007/s11356-023-26716-9