Study on explosion suppression of coal dust with different particle size by shell powder and NaHCO3

Xiangrui Wei,Yansong Zhang,Guangan Wu,Xinyan Zhang,Yaqing Zhang,Xiang Wang

Fuel（2021）

引用 53|浏览0

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摘要

•Shell powder is more effective in suppressing coarse coal dust.•NaHCO3 exhibits better than shell powder in inhibiting fine pulverized coal.•“global-small scale” and “local-large scale” suppression mechanisms are proposed.

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关键词

Coal dust explosion,Explosion suppression mechanism,Inert explosion suppressant,Active explosion suppressant,Activation energy

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