E The ore stored in the grab type mine silo is generally loaded by a belt conveyor, and then the ore is taken out by means of a grab crane. Therefore, the mine bin has no blockage problem and is suitable for storing various properties. Block, powder finished ore and concentrate powder.
The storage capacity of such a mine warehouse is large, and the unit cost is not high. However, the number of grab cranes for grabbing ore is generally not less than 2, and the activity range of one of the grab cranes is not less than 20 meters, so when the storage volume is small At 2000 m3, the selection of such a mine bin may be uneconomical. The cross section of the grab bucket example is shown in Figure 5.
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F landslide type mine silo The cross section of the landslide type mine silo example is shown in Fig. 6. This mine bin is not suitable for storing powder ore and mud mines.
When constructing a landslide-type mine silo, special attention should be paid to the geological conditions of the topography and foundation. If the mine silo is built on the flat ground of the general soil, it will inevitably cause waste; even on the hillside of hard rock, the unit cost is higher. Elevated mining silos, while labor unit consumption indicators are much higher than the indicators of elevated silos. The unit consumption index of steel is also no less than that of overhead mines.
The main advantage of the landslide type mine silo is that because of its small storage area, that is, the storage capacity per unit length is small, so in the case of small ore storage, there is a long ore and discharge surface, Improve loading conditions and increase loading speed.
G Yard The Yard is actually a giant ground-type mine bin with a large ore storage capacity that can neutralize ore. Figure 7 is one of the forms. The yard is generally operated by a pile and a reclaimer.
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