在提高经济效益、促进社会节能的前提下,煤炭翻一番保全国翻两番,是煤炭工业新时期的战略目标。煤炭翻一番,新井建设是主要增产因素。为此,尽快扩大建设规模、千方百计地加快建设速度、缩短建井工期,成为煤炭基建部门艰巨而紧迫的任务。 全国煤矿矿井平均建设工期过长是煤炭 Under the premise of improving economic benefits and promoting social energy conservation, doubling the number of coal reserves and quadrupling the number of deposit-taking countries is a strategic goal for the coal industry in the new period. Coal doubled, the new well construction is the main yield factor. To this end, as soon as possible to expand the scale of construction, do everything possible to speed up the construction speed and shorten the construction period, a coal-based construction unit difficult and urgent task. The national average coal mine construction period is too long coal