“煤海蛟龙”：攻克煤巷快速掘进世界难题

Core Viewpoint - The "Coal Sea Dragon" is a new generation of integrated intelligent rapid excavation system developed by China Coal Technology & Engineering Group Taiyuan Research Institute, achieving parallel operations in excavation, support, and transportation for the first time globally [1] Group 1: Technology and Innovation - The system integrates technologies such as the excavation and support machine and flexible continuous transportation system, overcoming the global challenge of rapid excavation in coal roadways [1] - It introduces an innovative four-in-one excavation model: "drum cutting + advanced drilling + temporary support + permanent support," breaking through the technical bottleneck of full-width advanced drilling [1] - The system has undergone four generations of iterations, with a localization rate of key components reaching 100% [1] Group 2: Performance and Achievements - Under stable surrounding rock conditions, the "Coal Sea Dragon" set a world record with a maximum monthly advance of 3,088 meters [1] - In March 2024, it achieved a breakthrough of over 1,000 meters in monthly advance for the first time under complex surrounding rock conditions [1]