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    1. 榆林市上河煤礦礦井位于榆林市榆陽區牛家梁鎮上河村,礦井北距210國道17km,西至榆林市相距15km。礦井所采3號煤層結焦性差,住特低灰、特低磷、特低硫、中高發熱量、富油、低熔灰分、低變質階段的長焰煤41號和不粘煤31號。生產的種類有:大塊、3-8Cm塊煤、8-15Cm塊煤、籽煤、渣煤等五種。該煤可作為優質的動力用煤及氣化、液化等化工工業原料。上河煤礦始建于 1994年,井田面積2.977 Km2,地質儲量25.12Mt,可采儲量…… 【點擊詳細】

      草久视频
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