December 02, 2024
December 1,Good News from the Construction Site of Mineral Products Transportation Corridor of Hunan Dazhonghe Lithium Mine Project,Equipped by China Railway、Jointly developed by large and medium-sized mining industry“Longyuan”Mine useTBM(China Railway 1103)In November, the monthly footage exceeded 1101 meters.,From September to November, the cumulative footage exceeded 3000 meters.,After breaking the world record of 1000 meters per month for rock roadway excavation in the mining industry in September,Monthly footage of equipment reaches a new height。
“Longyuan”It is the world's first lithium mine.TBM,Excavation diameter 6.3 meters,It is 155 meters long,It is tailored for lithium mine development.“A mining weapon”。Mineral Product Transportation Corridor of Hunan Dazhonghe Lithium Mine ProjectConstruction mileage: 7,300m,The whole course is uphill tunneling.,The comprehensive gradient of the line is about 5.7%。For long-distance hard rock tunneling,High-strength cutter head with wear-resistant design;Tunneling in soft rock fracture zone,Assemble machine with steel arch frame;In order to realize multi-process synchronous construction,Equipped with a rock bolter,、Lay the bottom、Cut the gang、Shotcrete and material transportation system, etc.,Fully-mechanized continuous operation can be realized,The efficiency is ten times higher than that of the traditional drilling and blasting method.,Significantly shorten the development cycle of lithium mine。
Since it was put into use,“Longyuan”Zhang Jie, General Manager of Dazhong He in Hunan、Supported by Ji Rong, Director of Jizhushan Lithium Mine,The equipment relies on its stability and rapid support capability.,Overcome continuous uphill、Adverse geological challenges such as weak surrounding rock,Realization“Three consecutive months from September to November,The average monthly footage exceeds 1000 meters.”An industry feat,It is used for mining in ChinaTBMThe development of technology sets a new benchmark.,It marks a great success in the intellectualization of non-coal mine roadway equipment and the innovation of construction methods.。
The project has been excavated since May.,Facing the fracture zone、Geological problems such as changeable horizons,China Railway Equipment After-sales Service Team Continuously Optimizes Tunneling Parameters,Strengthen the support、Adjust the horizon、Measures such as plugging fractures,And explore and optimize the amount of step change.、Increase the circulation rate、Mode of accelerating propulsion speed,Realize efficient operation of equipment,It provides effective support for the birth of new records.。
In recent years,China Railway Equipment Deeply Practicing General Secretary Xi Jinping“Three transformations”Important instructions,Vigorously expand water conservancy、Pumped storage、Mines, etc“The second curve”Market,Layout of mine tunnel construction,Through technological innovation and product innovation,Developed for application in copper mines.、Iron ore、Lead-zinc-silver mine、Hard rock tunnel Boring Machine for lithium mine and other coal mines,And meet that diversified requirements of user.,Marking China Railway EquipmentTBMThe level of customization for mine tunnels has further matured.,It has promoted the rapid development of intelligent equipment in the industry.。Host Department:Party Committee Work Department(Enterprise
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