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1)  gas-logged and inflammable thick seam
高瓦斯易自燃厚煤层
2)  Thick coal measures inclined to spontaneous combustion
易自燃厚煤层
3)  spontaneous thick seam
易燃厚煤层
1.
Mine roadway layout affected to spontaneous fire danger of spontaneous thick seam;
巷道布置对易燃厚煤层自然发火危险性的影响
4)  high gassy seam
高瓦斯煤层
1.
Gas hydraulic pressing and discharging technology for gateway heading face in high gassy seam;
高瓦斯煤层掘进工作面水力挤排瓦斯技术
2.
There is some basic knowledge to the mechanism of common rockburst, the conventional method and technique of rockburst forecast and prevention formed already, however, the special exposition is few about the mechanism, forecast and prevention of rockburst occurring in high gassy seam so far.
但迄今为止很少见到对高瓦斯煤层冲击地压的发生机理、预测、防治进行系统专门的研究。
5)  thick gassy coal seam
含瓦斯厚煤层
1.
Based on the model test of simulated material, the failure action on seam floor coming from abutment pressure is analysed when top slice of thick gassy coal seam is mined.
通过相似材料模拟实验,分析了含瓦斯厚煤层顶分层开采时支承压力对煤层底板的破坏作用,并根据压力分布和破坏程度对煤层底板裂隙沿深度方向进行定性定量分带,计算出底板最大破坏深度及其位置,探讨了各分带瓦斯运移特征,进而阐述了顶分层开采对下分层的解放作用,为安全、合理开采含瓦斯厚煤层且有效抽排煤层瓦斯提供了理论依据。
6)  spontaneous combustion coal-seam
易自燃煤层
1.
The occurrences of the spontaneous ignition of the comprehensive mining coal face at the spontaneous combustion coal-seam under a special condition from the 1301 face in Gengcun coal mine has been analysed.
分析了耿村矿1301工作面易自燃煤层特殊条件下综放开采工作面自然发火的危险性;探讨了因采空区漏风而引起的工作面自然发火的防治措施。
补充资料:自燃点和自燃温度
分子式:
CAS号:

性质:又称自燃点和自燃温度。在规定条件下,可燃物质不需外来火源即发生燃烧的最低温度。中国规定气体、蒸气危险物质按引燃温度分为6组:引燃温度T>450℃为T1组、300℃<T≤450℃为T2组、200℃<T≤300℃为T3组、135℃<T≤200℃为T4组、100℃<T≤135℃为T5组。85℃<T≤100℃为T6组。粉体、纤维危险物质按引燃温度分为3组:引燃温度T>270℃为Tll组、200℃<T≤270℃为T12组、140℃<T≤200℃为T13组。

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