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Mining Publication: Reducing Float Coal Dust: Field Evaluation of an Inline Auxiliary Fan Scrubber
Keywords: Coal dust Float dust Scrubber induced airflow
Original creation date: December 2016
Authors: J Patts, JF Colinet, SJ Janisko, T Barone, LD Patts
Peer Reviewed Journal Article - December 2016
Go to Web Page
NIOSHTIC2 Number: 20049028
Min Eng 2016 Dec; 68(12):63-68
Controlling float coal dust in underground coal mines before dispersal into the general airstream can reduce the risk of mine explosions while potentially achieving a more effective and efficient use of rock dust. A prototype flooded-bed scrubber was evaluated for float coal dust control in the return of a continuous miner section. The scrubber was installed inline between the face ventilation tubing and an exhausting auxiliary fan. Airborne and deposited dust mass measurements were collected over three days at set distances from the fan exhaust to assess changes in float coal dust levels in the return due to operation of the scrubber. Mass-based measurements were collected on a per-cut basis and normalized on the basis of per ton mined by the continuous miner. The results show that average float coal dust levels measured under baseline conditions were reduced by more than 90 percent when operating the scrubber.
Cover image for Reducing Float Coal Dust: Field Evaluation of an Inline Auxiliary Fan ScrubberPeer Reviewed Journal Article - December 2016
Go to Web Page
NIOSHTIC2 Number: 20049028
Min Eng 2016 Dec; 68(12):63-68
See Also
Characterization of Airborne Float Coal Dust Emitted During Continuous Mining, Longwall Mining, and Belt Transport
Coal Dust Explosibility Meter Evaluation and Recommendations for Application
Continuous Miner Spray Considerations for Optimizing Scrubber Performance in Exhaust Ventilation Systems
Design of a Water Curtain to Reduce Accumulations of Float Coal Dust in Longwall Returns
Effect of Ground Control Mesh on Dust Sampling and Explosion Mitigation
Full-Scale Testing of the Float Dust Deposition Meter
Open-air Sprays for Capturing and Controlling Airborne Float Coal Dust on Longwall Faces
Rock Dusting Considerations in Underground Coal Mines
Sensors for Automated Control of Coal Dust (SACCD)
Technology News 515 - Float Coal Dust Explosion Hazards
Page last reviewed: February 24, 2017
Page last updated: February 24, 2017
Content source: National Institute for Occupational Safety and Health, Mining Program
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