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Review paper: prevention and suppression of coal mine explosions.

Authors
Sapko-MJ; Greninger-NB; Watson-RW
Source
Proceedings of the 23rd International Conference of Safety in Mines Research Institutes, September 11-15, 1989, Washington, DC. Washington, DC: U.S. Bureau of Mines, OFR 27-89, 1989 Sep; :791-807
Link
NIOSHTIC No.
10007237
Abstract
There has been a notable decline in the frequency and severity of mine explosions since the turn of the century. Among the major safety measures responsible for this decline are the use of rock dusting, development of permissible explosives and electrical equipment, improved ventilation and improved methods for detecting hazardous conditions. While these advances in mine safety are noteworthy, an examination of recent statistics indicate that the problem of mine explosion prevention is not completely solved. There is also growing concern over the number of frictional methane ignitions that occur annually; the frequency of methane ignitions has not as yet seriously impacted fatal accident statistics, but their potential for disastrous consequences is well known. This paper reviews recent research aimed at explosion prevention. Particular emphasis is given to the present practice of rock dusting and the implications of recent experimental evidence on the overall effectiveness of rock dust standards. Developments in supplemental explosion protection including devices for monitoring the explosibility of mine dust and passive and triggered explosion barriers are also discussed. The paper concludes with a section on frictional face ignitions and methods for their control.
Keywords
Mine disasters; Mining; Mining industry; Explosions; Explosion prevention; Underground mines; Underground mining; Methanes; Methane control; Mine gases; Coal mines; Coal mining
Publication Date
19890901
Document Type
OP; Conference/Symposia Proceedings
Fiscal Year
1989
NTIS Accession No.
PB89-225262
NTIS Price
A99
Identifying No.
OP 215-89
NIOSH Division
PRC
Source Name
Proceedings of the 23rd International Conference of Safety in Mines Research Institutes, September 11-15, 1989, Washington, DC
State
PA; DC
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