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The number of wells required for a mine and the location of the well are related to the annual output, mining method, development method and size of the mine. The principle is to make the transportation of the mine and the underground and ground transportation costs small, the investment is saved, and the maintenance workload is small. , a detailed discussion of this aspect.
When selecting the location of the chute, you should have detailed and reliable hydrogeological geological data of the chute through the rock formation. If necessary, drill holes before the slippage and construction, extract the core, and master the geological structure (faults, fracture zones, karst caves, and parts and ranges of the sediment layer) through the rock formation, and the physical and mechanical properties of the rock strata (resistance Pressure strength, stability and wear resistance, etc. and hydrogeological data (water inflow, water pressure and acidity, etc.) to avoid construction difficulties and maintenance. It is also important to know in advance whether the physical and mechanical properties of the ore, the content of the fine ore, the composition of the block, the humidity, the accumulation angle, the natural rest and the bulk density, etc., are smooth and effective for the well.
For open-pit mines, it is necessary to understand the meteorological data of the mine location (maximum rainfall, flood level, perennial dominant direction and depth of frozen soil).
The production capacity of the wells and mines is large and the cost is low. It has been widely used in underground mining and open pit mining in China.