[an error occurred while processing this directive]

Coal Engineering ›› 2026, Vol. 58 ›› Issue (6): 15-20.doi: 10.11799/ce202606003

Previous Articles     Next Articles

Application of rapid outburst elimination technology during small-angle cross-cut coal uncovering of a high-outburst seam #br#

  

  • Received:2025-05-20 Revised:2025-07-02 Online:2026-06-15 Published:2026-06-24

Abstract:

This study aims to address the issues of large drilling volume, poor extraction effect, and long compliance time of traditional anti outburst methods when exposing high outburst coal seams from a small angle. By implementing a regional gas control model of gas extraction assisted roadway and mechanical hole making for enhanced permeability in newly built coal mines, an innovative and rapid gas outburst reduction technology path has been proposed. The research content includes auxiliary extraction roadway design, drilling layout, and mechanical hole construction technology, and a detailed analysis of their effects. The on-site application results show that this technology significantly reduces the amount of drilling work (reducing 11544m), improves gas extraction efficiency (increasing the average purity by more than three times), and shortens the regional outburst time (shortening 78 days). Comprehensive cost analysis shows that it can save 387000 yuan in costs compared to traditional methods. This study not only provides a safe and fast technical path for small angle coal mining faces to eliminate outbursts, but also has important significance for ensuring the overall safety and efficient production of mines.

CLC Number: