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Mining Publication: Improved Drill Shroud Capture of Respirable Dust Utilizing Air Nozzles Underneath the Drill Deck

January 2010

Image of publication Improved Drill Shroud Capture of Respirable Dust Utilizing Air Nozzles Underneath the Drill Deck

This study tests the ability of a new air nozzle system, located under the drill deck shroud, to improve the dust capture of the drill deck shroud. The system consists of three air nozzles supplied with regulated pressurized air and located midway down the shroud in the off-inlet corners of the shroud. Laboratory testing produced operating curves for the system that showed an optimum operating point of 207 kPa (30 psi) and generated respirable dust reductions of 48% to 52% from the drill deck shroud.

Authors: WR Reed, JD Potts

Peer Reviewed Journal ArticleJanuary - 2010

  • Adobe Acrobat - Portable Document Format (.PDF)

    0.66 MB

NIOSHTIC2 Number: 20036653

Trans Soc Min Metal Explor 2010 Jan; 326:10-15

 
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