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Top Coal Caving Mining Method

Top Coal Caving Mining Method

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2020-4-6The disadvantages of top coal caving are that the recovery rate of top coal at both ends of the face is very low and the coal left in the gob is the source for spontaneous combustion. Therefore, the ultra-thick whole seam one slice longwall mining was developed to increase the recovery rate and safety of ultra-thick coal seams in 2009.

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MINING Heavy Industries Co., Ltd. China(Mainland)

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Best Heavy Mining Machinery Company manufacturing of mining machinery, it has great advantages in terms of production capacity and process level.