The study of coal dust minimum explosion concentration of subbituminous coal

被引：21

作者：

Widodo, Nuhindro Priagung ^{[1
]}

Putra, Septian Hadi ^{[1
]}

Ihsan, Ahmad ^{[1
,2
]}

Gautama, Rudy Sayoga ^{[1
]}

Cheng, Jianwei ^{[2
]}

Waly, Fadli Zaka ^{[1
]}

Permadi, Dimas Agung ^{[1
]}

机构：

[1] Bandung Inst Technol, Fac Min & Petr Engn, Dept Min Engn, Jl Ganesha 10, Bandung 40132, West Java, Indonesia

[2] China Univ Min & Technol, Coll Safety Engn, Xuzhou 221116, Jiangsu, Peoples R China

来源：

PROCESS SAFETY AND ENVIRONMENTAL PROTECTION | 2023年 / 177卷

关键词：

Coal Dust Explosion; Minimum Explosion Concentration; Explosion Chamber; Ignitor Energy; PARTICLE-SIZE; 20-L; DISPERSION; SUPPRESSION; PRESSURE;

D O I：

10.1016/j.psep.2023.08.002

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The coal dust explosion tests have been conducted using an explosion chamber 20-L with coal dust sizes of 53-44 & mu;m (average particle size is 48.5 & mu;m) for subbituminous coal from Indonesia. The coal dust explosion has been tested with various energies of the ignitor, i.e., 4.2 kJ, 6.3 kJ, and 8.4 kJ, to obtain the effect of ignitor energy on the coal dust's Minimum Explosion Concentration (MEC). The results show that the MEC for the 4.2 kJ, 6.3 kJ, and 8.4 kJ ignitor energy are 120 g/m3, 100 g/m3, and 70 g/m3, respectively. The present study in subbitu-minous coal resulted in a relatively higher MEC compared to previous studies conducted in bituminous coal.

引用

页码：1387 / 1392

页数：6

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