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CFD gas distribution analysis for different continuous-miner scrubber redirection configurations
Y Zheng1, J A Organiscak1, L Zhou1
1Associate service fellow, mining engineer, senior service fellow, general engineer and acting team leader, respectively, Centers for Disease Control and Prevention (CDC), National Institute for Occupational Safety and Health (NIOSH), Pittsburgh, PA, USA.
Transactions of Society for Mining, Metallurgy, and Exploration, Inc
|January 30, 2018
Summary
Computational fluid dynamics (CFD) models were used to study gas distribution in mining operations. Redirecting scrubber discharge toward the mining face improved gas management, validated by experimental data.
Area of Science:
- Occupational safety and health
- Mining engineering
- Computational fluid dynamics
Background:
- Continuous mining machines generate gases in underground mines.
- Effective ventilation is crucial for worker safety.
- Current scrubber discharge methods may not optimize gas dilution.
Purpose of the Study:
- To evaluate the impact of different fan-powered flooded bed scrubber discharge configurations on gas distribution.
- To assess the effectiveness of redirecting scrubber discharge toward the mining face.
- To validate computational fluid dynamics (CFD) models against experimental data.
Main Methods:
- Development of CFD models using FLUENT software with a species transport model.
- Simulation of various scrubber discharge scenarios, including redirection towards the face.
- Validation of models using experimental data on sulfur hexafluoride (SF6) gas levels.
Main Results:
- CFD models accurately predicted SF6 gas levels under different discharge configurations.
- Redirecting scrubber discharge towards the mining face showed potential for improved gas dilution.
- Simulations explored the effect of different scrubber angles on gas distribution.
Conclusions:
- CFD modeling is a reliable tool for analyzing gas distribution in mining environments.
- Optimizing scrubber discharge can enhance workplace safety by improving gas management.
- Further research into scrubber configurations and angles can lead to safer mining practices.
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