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Mining Publication: The Design of a Laboratory Apparatus to Simulate the Dust Generated by Longwall Shield Advances
Keywords: Foam application Longwall shields Respirable dust
Original creation date: April 2020
Authors: M Shahan, W Reed
Peer Reviewed Journal Article - December 2019
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NIOSHTIC2 Number: 20057823
Int J Coal Sci Technol 2019 Dec; 6(4):577-585
A laboratory apparatus (shield dust simulator) was designed and constructed to simulate the dust generated during the advance of longwall hydraulic roof supports, or shields. The objective of the study was to develop a tool that could be used to test the hypothesis that foam applied to a mine roof prior to a shield advance could be used to reduce the respirable dust generated during shield advances. This paper will outline the design parameters for the development of the system, as well as describe baseline testing of coal and limestone dust. Results show that the average instantaneous respirable dust concentrated during simulated shield advance. Confidence intervals were calculated from the instantaneous respirable dust data to determine the repeatability of the data produced by the device.
First page of The Design of a Laboratory Apparatus to Simulate the Dust Generated by Longwall Shield AdvancesPeer Reviewed Journal Article - December 2019
Go to Web Page
NIOSHTIC2 Number: 20057823
Int J Coal Sci Technol 2019 Dec; 6(4):577-585
See Also
Controlling Respirable Dust in Coal Mining Operations
Dust Considerations When Using Belt Entry Air to Ventilate Work Areas
Dust Underfoot: Enclosed Cab Floor Heaters Can Significantly Increase Operator's Respirable Dust Exposure
Experimental Study on Foam Coverage on Simulated Longwall Roof
Impact of Air Velocity and Support Advance on Shield-Generated Dust
Laboratory Evaluation of Shield Dust Entrainment in High-Velocity Airstreams
Laboratory Testing To Quantify Dust Entrainment During Shield Advance
The NIOSH Shield Hydraulics Inspection and Evaluation of Leg Data (Shield) Computer Program
Technology News 463 - Machine-Mounted Continuous Respirable Dust Monitor
Technology News 509 - A New Method to Clean Dust From Soiled Work Clothes
Page last reviewed: May 21, 2020
Page last updated: May 21, 2020
Content source: National Institute for Occupational Safety and Health, Mining Program
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