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Continuous mining machine conveyor system sound power levels.

Authors
Smith-AK; Peterson-JS; Kovalchik-PG
Source
NOISE-CON 2008: Proceedings of the 2008 National Conference on Noise Control Engineering, Dearborn, Michigan, July 28-31, 2008. Burroughs C, Lim T, Kim J, Maling G, eds. Indianapolis, IN: Institute of Noise Control Engineering of the USA, 2008 Jul; :528-536
Link
NIOSHTIC No.
20034243
Abstract
Occupational hearing loss is a permanent illness with no recovery currently possible. For underground coal mine workers, Noise Induced Hearing Loss (NIHL) continues to be a serious health issue. One of the principal and fundamental machines used in underground mining operations is also one of the loudest. Noise generated on the continuous mining machine is the result of 3 operational components: the cutting system, the dust collection system, and the onboard conveying system. During underground acoustic evaluations, the conveyor system noise was observed to be dominant. In order to more closely examine sound generated by the continuous mining machine, sound power levels were measured in a reverberation chamber at the Pittsburgh Research Laboratory (PRL). Different chain types and configurations were installed on the conveyor system, and the resulting sound power level ranged from 118 dB(A) to 108 dB(A). Noise generated by the dust collection system was also examined and found to be 107 dB(A).
Keywords
Mining-industry; Noise-exposure; Noise-induced-hearing-loss; Hearing-loss; Hearing-impairment; Hearing-disorders; Hearing-conservation; Coal-workers; Engineering-controls; Control-technology; Underground-miners; Underground-mining; Coal-mining; Coal-miners
Contact
National Institute for Occupational Safety and Health, Pittsburgh Research Laboratory, 626 Cochrans Mill Rd., Pittsburgh, PA 15236
Publication Date
20080728
Document Type
Conference/Symposia Proceedings
Editors
Burroughs-C; Lim-T; Kim-J; Maling-G
Fiscal Year
2008
NTIS Accession No.
NTIS Price
ISBN No.
9781605605401
NIOSH Division
PRL
Priority Area
Mining
Source Name
NOISE-CON 2008: Proceedings of the 2008 National Conference on Noise Control Engineering, Dearborn, Michigan, July 28-31, 2008.
State
PA; MI; IN
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