文章详细信息 关键词： 煤炭自燃;大倾角;膨胀惰泡;工业试验 [gap=645]Keywords: coal spontaneous combustion;large inclined angle;chemical expansion inert foam;industrial test
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large inclined angle face 大倾角工作面
large inclined angle thin seam 大倾角薄煤层
large inclined angle belt conveyor 大倾角带式输送机
Goods upgrading or downgrading along the spiral surface, avoid too large inclined angle which may cause goods overturningbeing destroyed.
货物按照螺旋输送面升降，避免角度过大，造成货物倾倒和破损。
Combining with the actual situation in coal face, expound the key technology for large inclined Angle thin seam face so as to assure that slided coal can't come in goaf.
结合某矿采煤工作面实际情况，阐述了大倾角薄煤层工作面的关键技术处理措施，保证了煤下滑不窜入采空区。
On the contrary, the back well drill method is from bottom to top, which is suitable for the small inclined Angle, but not for the large shaft section.
反井法施工斜井为自下而上进行，适合倾角不大的斜井施工，但不适宜运用于断面较大的斜井。
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