Comparative Experimental Analysis on Coal Spontaneous Combustion
نویسندگان
چکیده
The goal of this study was to investigate coal quality features and their relationship spontaneous combustion characteristics in multi-seam mines better predict when is likely occur. To that end, samples various particle sizes were obtained from five seams (Nos. 6, 8, 9, 12 20) the Shuangyashan City Xin’an Coal Mine. then respectively heated using a temperature programming system observe compare similarities differences process different response rising temperature. experimental results show, all seams, concentration CO, C2H4, C2H6 increased with certain degree regularity as function However, these three gasses, only CO C2H4 can be used indicators mine combustion. critical for ranged 50–85°C, while dry cracking 8 (80–100°C) lower than those 20 (100–120°C). Furthermore, production rate related both size smaller size, faster rate; higher temperature, more gas gets produced. All seems are mainly composed long flame coal. they differ No. seam contains weak cohesive coal; lean Nos. contain amount anthracite. During programmed heating, release trend > 20. These demonstrate presence anthracite highly influence released during
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ژورنال
عنوان ژورنال: Energy Engineering
سال: 2022
ISSN: ['0199-8595', '1546-0118']
DOI: https://doi.org/10.32604/ee.2022.020776