Experimental research on index gas of the coal spontaneous at low-temperature stage

被引：141
|
作者：
Lu, P [1 ]
Liao, G [1 ]
Sun, JH [1 ]
Li, PD [1 ]
机构：
[1] Univ Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China
来源：
JOURNAL OF LOSS PREVENTION IN THE PROCESS INDUSTRIES | 2004年 / 17卷 / 03期
关键词：
coal spontaneous combustion; index gas; fire control; retardant; mist;
D O I：
10.1016/j.jlp.2004.03.002
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Compositions and quantities of gases produced by different coal samples at different temperature ranges were analyzed by simulating experiments in the laboratory. It is found that they are related to three major factors, temperature, external water content and retardant ratio. The quantitative relations between gas makers and temperature are established. CO and C2H4 could be used as index gases for the prediction of coal spontaneous combustion in the low-temperature range for the experimental mine coal. The MEA-1A retardant had good performance in fixing the external water content of coal and inhibiting coal oxidation; it could be used in preventing the spontaneous combustion of coal prevention and its appropriate ratio was determined. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码：243 / 247
页数：5
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