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Mining Publication: Evaluation of Smoke Detectors for Use in Underground Mines
Keywords: Fire sensors Smoke sensors Underground mining
This page is archived for historical purposes and is no longer being maintained or updated.
Original creation date: February 2009
Authors: CD Litton
Conference Paper - February 2009
Download PDF Document (0.49 MB)
NIOSHTIC2 Number: 20035041
2009 SME Annual Meeting and Exhibit, February 22-25, Denver, Colorado, preprint 09-072. Littleton, CO: Society for Mining, Metallurgy, and Exploration, Inc., 2009; :1-8
Laboratory experiments were conducted to determine the responses of a prototype smoke detector and a commercially available photoelectric smoke detector to smoke particles generated from various combustion sources. The prototype smoke detector combines optical scattering measurements with ionization chamber measurements in order to reduce/eliminate nuisance alarms due to the presence of airborne dusts or diesel exhaust particles. The commercially available smoke detector is designed for use in harsh environments where airborne dust represents a major problem due both to nuisance alarms and detector contamination. In the experiments, the responses of the two detectors were measured when exposed to smoke particles from the exhaust of a diesel engine and from a variety of fire sources, including wood, coal, styrene butadiene rubber, and No. 2 diesel fuel. For the solid fuels, data were obtained for both smoldering and flaming combustion. This report describes the experiments, their results, and the use of these results as they apply to early-warning fire sensors capable of the rapid and reliable detection of fires in atmospheres that may or may not be contaminated by either airborne dust or the products produced from diesel engines. Subsequent to these laboratory experiments, six smoke detectors were installed in an underground limestone mine for further testing and evaluation.
Image of publication Evaluation of Smoke Detectors for Use in Underground MinesConference Paper - February 2009
Download PDF Document (0.49 MB)
NIOSHTIC2 Number: 20035041
2009 SME Annual Meeting and Exhibit, February 22-25, Denver, Colorado, preprint 09-072. Littleton, CO: Society for Mining, Metallurgy, and Exploration, Inc., 2009; :1-8
See Also
A Comparison of Mine Fire Sensors
Evaluation of a Signaling and Warning System for Underground Mines
Evaluation of Smoke and Gas Sensor Responses for Fires of Common Mine Combustibles
Fire Detection
Fire Detection for Conveyor Belt Entries
Fire Fighting
In-Mine Evaluation of Smart Mine Fire Sensor
In-Mine Evaluation of Underground Fire and Smoke Detectors
Laboratory Evaluation of Smoke Detectors for Use in Underground Mines
Mine Fire Source Discrimination Using Fire Sensors and Neural Network Analysis
Overview of Mine Fire Detection
Rapid Detection and Suppression of Mining Equipment Cab Fires
Page last reviewed: September 21, 2012
Page last updated: September 21, 2012
Content source: National Institute for Occupational Safety and Health, Mining Program
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