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留矿法是我国有色金属矿山用之较广、历史悠久的一个采矿方法。多年来,在生产实践中大家积累了许多宝贵经验,在提高留矿法的开采强度和出矿效率方面,做了很多工作,取得了一定的效果。本刊1977年第5、6期,先后发表了辽宁桓仁铅矿“电耙装载台底部结构”、广东红岭钨矿“无底柱留矿采矿法”等文章,近来又收到不少同志的来稿,介绍各单位的经验。今选出三篇文章发表如下。此外还有青海祁连山铜矿、湖南东波有色金属矿、汝城钨矿等单位不少同志的来稿,恕不能一一刊载。希望有关单位的同志们,大搞留矿法改革的科学实验,提高机械化程度,提高工人的工作效率,为全面实现留矿法的强化开采做出贡献。
Mineral retention method is China’s non-ferrous metal mining with a wider history of a mining method. Over the years, we have accumulated a lot of valuable experiences in production practice, and have done a lot of work in improving the strength of mining and the efficiency of ore removal and achieved certain results. Articles 5 and 6, 1977, has published articles such as “the bottom structure of electric rake loading platform” of Huanren lead mine in Liaoning Province and the “pillarless ore retention mining method” of Hongling tungsten mine in Guangdong Province and so on. Recently, a number of articles have been received Comrade contributions, introduce the experience of various units. Three articles are now published as follows. In addition there are many Qilian Mountain Qinghai Copper Mine, Hunan East Wave non-ferrous metal mine, Rucheng tungsten ore units and many other units of contributions, will not be published one by one. I hope the comrades of the units concerned will vigorously conduct scientific experiments on the reform of the law of mineral retention, raise the degree of mechanization and improve the working efficiency of workers so as to make contributions to the full realization of the enhanced mining of the law of retention.