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瑞典矿山已率先采用无轨开采,但其最大的矿山——基鲁纳铁矿,至今既有最现代化的无轨开采,又有最高级的有轨主要运输水平。目前,地下矿山总产量的大部分,来自使用装运卸机及其它移动运输机组的无轨矿山。装运卸机的设计和应用都是成功的。文章对其利弊也有所讨论。装运卸机提高了采掘生产的机动性,大大地降低了装运事故的发生率。无轨开采需要无轨运载工具及其它运输设备。然而,地下柴油动力设备的急剧增长,也要求对通风系统进行大量投资。目前,正在研究取代柴油机驱动地下机动设备的其它方案。
The Swedish mine has taken the lead in trackless mining but its largest mine, the Kiruna Iron Mine, by far has both the most modern trackless mining and the most advanced rail-major transport. Currently, most of the underground mine production comes from trolley mines that use loading and unloading machines and other mobile transport units. The design and application of loading and unloading machines are successful. The article also discusses its pros and cons. Loading and unloading to improve mining production mobility, greatly reducing the incidence of shipping accidents. Trackless mining requires trackless vehicles and other transportation equipment. However, the dramatic growth of underground diesel-powered equipment also requires substantial investments in ventilation systems. Currently, other alternatives to diesel powered underground mobile equipment are under study.