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Original Title: From Perforation, Blasting to Dumping, Understanding the Six Processes of Open-pit Mining in One Article! The mining process of open-pit mine is relatively simple, mainly including drilling, blasting, mining, loading and transportation, and rock dumping. Next, we will talk about the mining technology of opeoles, can eliminate toes, reduce large blocks and improve the blasting quality. Therefore, the down-the-hole drill is widely used in small and medium-sized mines at home and abroad, and is suitable for medium hard rock drilling. 2. Rotary drill Rotary drilling rig is a new type of drilling equipment developed on the basis of rotary drilling rig, which has the characteristics of high drilling efficiency, low operation cost, high degree of mechanization and automation, and is suitable for drilling operations of various hardness of ore and rock. At present,overburden drilling systems, it has become a common drilling equipment used in open-pit mines all over the world. Expand the full text 3. Rock drilling jumbo Drill jumbo is a new type of drilling equipment with the developmentf the hole used in shallow hole blasting is small, generally about 30-75 mm, and the depth of the hole is generally less than 5 meters,dth drill bits, sometimes up to about 8 meters. If the drilling jumbo is used for drilling, the depth of the hole can be increased. Shallow-hole blasting is mainly used for the excavation and secondblasting in large area, interval charging in blastholes or bottom air interval charging can be taken u quantity each time. Therefore, large-scale blasting methods such as multi-row-hole millisecond blasting and multi-row-hole millisecond extrusion blasting are widely used in open-pit mining at home and abroad. Advantages of multi-row millisecond blasting: The one-time blasting quantity is large, the blasting times and the blasting avoidance time are reduced, and the utilization rate of the stope equipment is improved; The broken quality of ore and rock is improved, Mining Drilling Equipment ,DHD Drill bit, and the boulder rate is reduced by 40 to 50% compared with that of single-row hole blasting; The efficiency of perfo, so as to form parallel rock walls along the dense boreholes. The difference between smooth blasting and presptransportation and belt transportation. 6. Dump Waste dump (waste rock dump): a place where stripped materials are piled up, which refers to the place where mining wastes are discharged in a centralized manner. According to the stacking sequence, the dump can be divided into single-bench dump,dth rock bit, covering multi-bench dump and slope-pressing multi-bench dump. The dump is mainly divided into road transport dump, railway transport dump, belt transport dump and hydraulic transport dump according to the dumping process. Return to Sohu to see more Responsible Editor:. wt-dthtools.com