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某铁矿有一箕斗井,用于铁矿石提升任务,提升高度为285 m,提升能力约为65×104 t/a,该矿为增加提升力,拟对原提升系统进行改造,计划使年提升能力达到90×104 t/a以上。1存在的问题该矿原提升系统如图1所示,主要设备如表1所列。由于矿山生产能力增加,原有提升系统的提升能力成为制约整个矿山生产能力的瓶颈。该矿决定对原提升系统进行改造,增加提升能力。
A certain iron ore mine has a skip well for iron ore upgrading tasks, with a height of 285 m and a lifting capacity of about 65 × 104 t / a. The mine is intended to increase the lifting force and plans to renovate the original lifting system. Annual improvement capacity of 90 × 104 t / a or more. 1 existing problems The original mine upgrading system shown in Figure 1, the major equipment listed in Table 1. As the mine production capacity increases, the original upgrade system to enhance the ability to become a bottleneck restricting the entire mine production capacity. The mine decided to upgrade the original system to enhance and enhance capacity.