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The National Institute for Occupational Safety and Health (NIOSH)





Mining Publication: Development of a Roof Bolter Canopy Air Curtain for Respirable Dust Control
Keywords: Air curtain systems Bolters Respirable dust
Original creation date: January 2017
Authors: WR Reed, G Joy, B Kendall, A Bailey, Y Zheng
Peer Reviewed Journal Article - January 2017
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NIOSHTIC2 Number: 20049363
Min Eng 2017 Jan; 69(1):33-39
Testing of the roof bolter canopy air curtain (CAC) designed by the U.S. National Institute for Occupational Safety and Health (NIOSH) has gone through many iterations, demonstrating successful dust control performance under controlled laboratory conditions. J.H. Fletcher & Co., an original equipment manufacturer of mining equipment, further developed the concept by incorporating it into the design of its roof bolting machines. In the present work, laboratory testing was conducted, showing dust control efficiencies ranging from 17.2 to 24.5 percent. Subsequent computational fluid dynamics (CFD) analysis revealed limitations in the design, and a potential improvement was analyzed and recommended. As a result, a new CAC design is being developed, incorporating the results of the testing and CFD analysis.
Cover image for Development of a Roof Bolter Canopy Air Curtain for Respirable Dust ControlPeer Reviewed Journal Article - January 2017
Go to Web Page
NIOSHTIC2 Number: 20049363
Min Eng 2017 Jan; 69(1):33-39
See Also
Development of a canopy air curtain to reduce roof bolters' dust exposure
Emerging Technologies Control Respirable Dust Exposures for Continuous Mining and Roof Bolting Personnel
Field Comparison of a Roof Bolter Dry Dust Collection System with an Original Designed Wet Collection System for Dust Control
Field Investigation to Measure Airflow Velocities of a Ram Dump Car Using Circular Routing at a Midwestern Underground Coal Mine: A Case Study
A Field Study of a Roof Bolter Canopy Air Curtain (2nd Generation) for Respirable Coal Mine Dust Control
Laboratory and Field Evaluation of Dust Collector Bags for Reducing Dust Exposure of Roof Bolter Operators
Laboratory Evaluation of a Canopy Air Curtain for Controlling Occupational Exposures of Roof Bolters
Mobile Dry Scrubber Provides Cleaner Air for Downwind Roof Bolter
Respirable Quartz Hazard Associated with Coal Mine Roof Bolter Dust
Technology News 559 - Mobile Dry Scrubber Provides Cleaner Air for Downwind Roof Bolter
Page last reviewed: May 1, 2017
Page last updated: May 1, 2017
Content source: National Institute for Occupational Safety and Health, Mining Program
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