Inhibition of aluminum-silicon alloy dust explosion and flame by KH2PO4/montmorillonite composite powder

被引：9
|
作者：
Xiao, Qin [1 ]
Meng, Xiangbao [1 ,2 ,3 ]
Li, Zhiyong [4 ]
Ma, Xuesong [1 ]
Yan, Ke [1 ]
Wang, Zheng [1 ]
机构：
[1] Shandong Univ Sci & Technol, Coll Safety & Environm Engn, 579 Qianwangang Rd, Qingdao, Shandong, Peoples R China
[2] Qingdao Intelligent Control Engn Ctr Prod Safety, Qingdao, Peoples R China
[3] Shandong Univ Sci & Technol, Inst Publ Safety, Qingdao, Peoples R China
[4] Yanzhou Coal Ming Co Ltd, Xinglongzhuang Coal Mine, Jining, Peoples R China
来源：
FIRE AND MATERIALS | 2022年 / 46卷 / 05期
基金：
中国国家自然科学基金;
关键词：
alloy; composite; mechanism; suppression; MICROSCOPIC CHARACTERISTICS; SHELL STRUCTURE; SUPPRESSION; PROPAGATION; MECHANISM; MIXTURES;
D O I：
10.1002/fam.3026
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
To obtain a good explosive suppressant, KH2PO4/montmorillonite composite powder was prepared by the solvent-antisolvent method by using montmorillonite as the carrier and KH2PO4 as the supported particles. Flame propagation inhibition and explosion inhibition of aluminum-silicon alloy dust by the KH2PO4/montmorillonite composite powder were investigated in a vertical quartz glass combustion tube and 20-L spherical explosive tank, respectively. The results showed that the flame propagation of aluminum-silicon alloy dust was basically suppressed as the inerting ratio of KH2PO4/montmorillonite composite powder was 1.2, and the explosion of aluminum-silicon alloy dust was basically inhibited as the inerting ratio of KH2PO4/montmorillonite composite powder was 1.8. The flame and explosion inhibition mechanism of KH2PO4/montmorillonite composite powder on aluminum-silicon alloy dust was further analyzed in this paper.
引用
收藏
页码：797 / 808
页数：12
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