Research on the optimization and application of intelligent excavation technology under complex geological conditions in Buertai Coal Mine
In order to solve the problem of imbalanced mining in a super large coal mines with millions of tons,Bultai Coal Mine has adopted intelligent excavation technology to replace traditional excavation technology.By improving the automation and intelligence level of the equipment in the excavation system of the12-upper-304 auxiliary transportation roadway working face,lightweight and fast of the excavation working face can be achieved.An intelligent rapid excavation system has been established,which consists of an"integrated anchoring machine+bolt transfer unit+long-span bridge transfer machine+two arms anchor-bar drill+robot group",achieving parallel excavation,transportation and anchoring,and greatly reducing the support occupation time.By combining intelligent sensing,positioning and orientation,monitoring and surveillance technology,and multi information remote reproduction technology,a remote operation integrated anchoring machine that can be manually intervened is realized,and the excavation working face environment,equipment,and personnel are organically and harmoniously unified to achieve"safe,efficient"high-quality intelligent excavation.The on site application results show that after the investment of intelligent excavation technology,the monthly excavated has reached 560 meters,and the excavation efficiency has been improved 67％,effectively ensuring the continuity and sustainable development of underground mining.
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