煤尘爆炸，煤是可燃性物质，如其粉尘浮游在空气中且达到一定浓度、有足够点燃煤尘的热源就可产生煤尘爆炸。是煤矿井下重大灾害之一。煤尘爆炸产生的爆炸波可以扬起巷道中沉积的煤尘，发生连续爆炸，甚至波及全矿井。煤尘爆炸时，爆温可达2300〜2500℃，火焰传播速度可达1120m/s以上，冲击波速度可达2340m/s，破坏力极强。煤尘爆炸产生大量一氧化碳，其浓度可达2%〜3%，能使人员中毒身亡。
... gas and dust explosion 瓦斯煤尘爆炸 coal-dust explosion 煤尘爆炸 sulphide-dust explosion 硫化物粉末爆炸 ...
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... delayed explosibility 延期爆炸 dust explosibility 煤尘爆炸 explosibility index 爆炸性指数 ...
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In the process of gas and coal dust explosion, the maximum peak pressure and the biggest explosion flame propagation speed are both appeared in the coal dust segment.
②在瓦斯煤尘爆炸过程中，爆炸最大压力峰值和最大火焰传播速度均出现在煤尘段。
参考来源 - 矿井瓦斯煤尘爆炸传播规律研究·2,447,543篇论文数据，部分数据来源于NoteExpress
同时爆生气体温度较高，容易引起瓦斯和煤尘爆炸。
At the same time, the high temperature of blasting gas can causing gas and coal dust explosion.
通过具体例子，分析了煤的自燃与煤尘爆炸的关系。
This paper analyzes the relations between the tenency of coal self-ignite and the risk of coal dust detonating with concrete examples.
煤矿开采比较容易出事故，煤矿事故又主要是瓦斯爆炸和煤尘爆炸。
There are usually accidents in coal mines, which are mainly gas explosion and dust explosion.
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