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在国民经济实行调整时期,有色金属矿山面临的重要任务之一是加速新水平的开拓工作,以扭转多年来采掘失调的被动局面。在这方面,具有决定意义的一环是搞好竖井的延深。据统计,1985年以前,全国有色金属矿山需要延深80多条竖井,因此正确选择延深方案,提高竖井延深的速度,是贯彻调整方针的一个重要课题。
During the adjustment period of the national economy, one of the important tasks facing the non-ferrous metal mines is to accelerate the pioneering work of the new level in order to reverse the passive situation of the mining imbalances over the years. In this respect, a decisive part is to improve the shaft’s depth. According to statistics, before 1985, the national non-ferrous metal mines need to be deepened by more than 80 vertical shafts. Therefore, choosing the right plans for deepening and speeding up the shaft’s deepening is an important issue for implementing the adjustment guidelines.