刘世昉. 陕北侏罗纪煤田榆神府区煤层自燃对煤质的影响[J]. 煤田地质与勘探, 1988, 16(2): 27-31.
引用本文: 刘世昉. 陕北侏罗纪煤田榆神府区煤层自燃对煤质的影响[J]. 煤田地质与勘探, 1988, 16(2): 27-31.
Influeuce of Spontaneus Combustion on Coal Quality in Jurassic Coal Field of Northern Shaanxi[J]. COAL GEOLOGY & EXPLORATION, 1988, 16(2): 27-31.
Citation: Influeuce of Spontaneus Combustion on Coal Quality in Jurassic Coal Field of Northern Shaanxi[J]. COAL GEOLOGY & EXPLORATION, 1988, 16(2): 27-31.

陕北侏罗纪煤田榆神府区煤层自燃对煤质的影响

Influeuce of Spontaneus Combustion on Coal Quality in Jurassic Coal Field of Northern Shaanxi

  • 摘要: 陕北侏罗纪煤田榆神府区因其面积大、储量多、煤质好引起了国内外的广泛关注。区内煤由于变质程度浅、丝炭含量高、燃点低,加之煤层埋藏较浅、倾角平缓等原因,煤层多沿露头发生自燃。煤层的自燃不仅使大片煤炭烧为灰烬,而且沿燃火熄灭带即火烧边界形成火烧残留煤和烘烤煤,这些煤的煤质不同程度地受到了影响。

     

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