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It is learned that in the construction of intelligent mines, Wujiu Coal Group focuses on the "re-upgrading" of production equipment and the "re-enhancement" of resource recovery. It has listed the construction of the 427 intelligent fully-mechanized caving face of Yaxing Coal Mine as a key project, established a special team, and carried out coordinated operations. It has targeted the formulation of a high-efficiency intelligent mining plan for the working face, and selected and matched high-efficiency intelligent equipment such as shearer, scraper conveyor, hydraulic support and intelligent control system, laying a solid foundation for the scientificity and feasibility of the project.

During the equipment installation stage of the working face, they vigorously implemented the "map-based operation, reverse scheduling, responsibility to individuals" hard-core mechanism, and implemented full-process control over the equipment acceptance upon entry, foundation engineering construction, core equipment installation, system joint debugging and testing, etc. They have successively overcome multiple technical difficulties such as equipment compatibility debugging and data transmission optimization, providing a solid guarantee for the smooth progress of the project.

It is understood that this working face is equipped with fifth-generation high-end intelligent equipment, equipped with an intelligent control system, and innovatively applies the "three machines" data wireless transmission technology. Compared with the previous intelligent fully-mechanized caving face of the mine, it has achieved a deep advancement in intelligent coordination level, a comprehensive strengthening of safety protection capabilities, and a significant improvement in production and operation efficiency. The maximum mining height has been increased from 3.2 meters to 4.7 meters, and the coal resource recovery rate has been significantly improved, forming a new pattern of "intelligent equipment, data interconnection, and precise regulation and control" in mining.

At the same time as the 427 intelligent fully-mechanized caving face of Yaxing Coal Mine was completed and put into operation, the 25203 intelligent fully-mechanized caving face of Shengli Coal Mine of Wujiu Coal Group also entered the trial production stage. After its official operation, the three working faces of the two production mines of Wujiu Coal Group will all achieve intelligent mining, steadily implementing the "less people, safer; no people, safer" safety operation mode.

(Ruiquan Zhu, Jian Lu)