A model for the minimum ignition energy of dust clouds

被引：26
|
作者：
Hosseinzadeh, Sepideh [1 ]
Berghmans, Jan [1 ]
Degreve, Jan [2 ]
Verplaetsen, Filip [3 ]
机构：
[1] Univ Leuven, Dept Mech Engn, Celestijnenlaan 300A, B-3001 Leuven, Belgium
[2] Univ Leuven, Dept Chem Engn, Celestijnenlaan 200f, B-3001 Leuven, Belgium
[3] Adinex NV, Brouwerijstr 9, B-2200 Noorderwijk, Belgium
来源：
PROCESS SAFETY AND ENVIRONMENTAL PROTECTION | 2019年 / 121卷
关键词：
Minimum ignition energy; Dust clouds; Minimum ignition temperature; Theoretical model; MIXTURES;
D O I：
10.1016/j.psep.2018.10.004
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
This study refers to the minimum ignition energy (MIE) of dusts as determined by means of the Hartmann tube. To do so, six different dust with different particle size and properties are employed. A theoretical model is developed to predict the MIE based upon the physical and chemical properties of the dust. The model clearly shows the relationship between the minimum ignition energy and the minimum ignition temperature of a dust cloud. The model results in a method to calculate the MIE of dusts. Also, the time necessary for ignition can be calculated with the model. The results show that despite some limitations, the model predicts the MIE for dusts rather well. It is proposed that 40-60% energy loss would be considered when applying the model. (C) 2018 Institution of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码：43 / 49
页数：7
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