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Emission Products from Combustion of Conveyor Belts.

Authors
Egan-MR
Source
MISSING :12 pages
Link
NIOSHTIC No.
10006295
Abstract
A series of experiments were undertaken by the Bureau of Mines to determine the emission products of several types of conveyor belting and other combustible materials found in mines. These experiments were conducted under intermediate-scale, simulated mine conditions to determine smoke characteristics and gas concentrations. From these determinations, heat-release rates, particle sizes, obscuration rates, combustion yields, and production constants were calculated. Three types of belts were investigated; chloroprene, also known as neoprene (np); polyvinyl chloride (pvc); and styrene- butadiene rubber (sbr). The belts were designated as ignitable or self-extinguishing depending on the length of the burning time and the subsequent combustion products. Under these experimental conditions, the sbr belts were the easiest to ignite. The pvc and np belts tended to self-extinguish within a few minutes after ignition, but were still capable of maintaining a brief flaming period. These conveyor belt combustion results are compared with previous analyses of wood, transformer fluid, and coal fires. Together they form a data base by which findings from future experiments with other mine combustibles can be compared.
Publication Date
19880101
Document Type
IH; Information Circular;
Fiscal Year
1988
NTIS Accession No.
NTIS Price
Identifying No.
IC 9205
NIOSH Division
PRC;
Source Name
MISSING
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