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Triggered Barriers for the Suppression of Coal Dust Explosions.

Authors
Liebman-I; Richmond-JK; Pro-R; Et Al
Source
NTIS: PB 80-134570 :24 pages
Link
NIOSHTIC No.
10001672
Abstract
Two triggered barrier systems and several extinguishing agents were tested against coal dust explosion propagating in the main entry of the Bureau of Mines experimental mine at Bruceton, Pennsylvania. One system used a high-pressure cylinder to propel the extinguishant; the second system used pressurized nitrogen gas or halon 1301 (cf3br) in a low-pressure system to power the disperser. The relative efficiencies of the extinguishants were determined by comparing calculated concentrations of the extinguishant clouds present in the mine during suppressing of the explosions. Results showed the following trend of increasing effectiveness: purple-k (khco3)
Publication Date
19790101
Document Type
IH; Report of Investigations
Fiscal Year
1979
NTIS Accession No.
PB80-134570
NTIS Price
A03
Identifying No.
RI 8389
NIOSH Division
PRC;
Source Name
NTIS: PB 80-134570
State
PA;
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