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Improved drill shroud capture of respirable dust utilizing air nozzles underneath the drill deck.
Trans Soc Min Metall Explor 2010 Jan; 326:10-15
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.
Mining-industry; Engineering-controls; Control-technology; Dust-collection; Dust-collectors; Dust-control; Dust-control-equipment; Dusts; Respirable-dust
Transactions of the Society for Mining, Metallurgy, and Exploration
Page last reviewed: September 2, 2020
Content source: National Institute for Occupational Safety and Health Education and Information Division