| 摘要 |
A method for reclaiming two types of ore with different content of magnetic iron that is supplied from two pits includes preliminary reclaiming of ore in each of pits to set (scheduled) content of magnetic iron in it, loading previously reclaimed ore to railway dumpcars, formation of gangs with ore in each of pits through previous calculation of the number of dumpcars in each gang depending on pre-designed content of magnetic iron in mixture of ores of different pits and weight of ore in each of the dumpcars, and transportation of formed gangs to milling works for unloading those. In each of the pits the gangs are formed of dumpcars that are loaded with pre-averaged ore with same weight, and unloading of the gangs from different pits to receiving opening of the mill of coarse breaking is carried out with alternation, in one dumpcar. At same number of dumpcars in the gangs unloading those is carried out with alternation, in one dumpcar from each gang, and at different number of dumpcars in gangs difference of those is uniformly distributed among the dumpcars in gang with smaller number of dumpcars, but not more than two installed in sequence dumpcars with ore of one type. |
