Mining Publication: Effect of Scrubber Operation on Airflow and Methane Patterns at the Mining Face
Original creation date: June 2006
NIOSH has conducted research to determine the influence of mining machine-mounted scrubbers on airflows and methane concentrations at the face when blowing ventilation systems are used. Tests were conducted in a full-scale ventilation gallery with a model mining machine that simulated airflow created by a dust scrubber. During the tests, ultrasonic anemometers were used to measure airflow speed and direction at several locations near the face. For the same test conditions, methane was released from the face and gas concentrations were measured at 21 locations above the machine using fixed-point methanometers. Changes in airflow speed and direction are correlated with scrubber airflow and the measured methane distribution above the mining machine. The research results showed that operation of machine-mounted scrubbers improved face ventilation when blowing ventilation is used by increasing both the intake flow and the quantity of air reaching the face.
Authors: CD Taylor, JE Chilton, EE Hall, RJ Timko
Conference Paper - June 2006
NIOSHTIC2 Number: 20030322
In: Mutmansky JM, Ramani RV. eds. Proceedings of the 11th U.S./North American Mine Ventilation Symposium (University Park, PA, June 5-7, 2006), London, UK: Taylor & Francis Group; :393-399
See Also
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- Effect of Water Sprays on Airflow Movement and Methane Dilution at the Working Face
- Effects of Water Sprays and Scrubber Exhaust on Face Methane Concentrations
- Experimental and Modeling Investigation of the Effect of Ventilation on Smoke Rollback in a Mine Entry
- Impact on Respirable Dust Levels When Operating a Flooded-bed Scrubber in 20-foot Cuts
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- Laboratory Testing To Quantify Dust Entrainment During Shield Advance
- Measurement of Airflow in a Simulated Underground Mine Environment Using an Ultrasonic Anemometer
- NIOSH Hazard ID 1 - Exposure to Silica Dust on Continuous Mining Operations Using Flooded-Bed Scrubbers
- Technology News 539 - Identifying The Benefits Of Engineering Noise Controls Through A Business Case
- Page last reviewed: 9/21/2012
- Page last updated: 9/21/2012
- Content source: National Institute for Occupational Safety and Health, Mining Program