Considering and development trend of vertical rescue technology for mining drill hole

Mine borehole vertical rescue technology is a fast and efficient means of emergency rescue in mines, which plays a key role in previous mine accident rescue. The principle of mine borehole vertical rescue technology is explained, and the advantages of this technology, such as long distance, high efficiency and non-contact, are analyzed. The main rescue process and main success factors of Wangjialing Coal Mine water inrush accident, Pingyi gypsum mine accident and Qixia Hushan gold mine accident are summarized and analyzed. Some thoughts on the limitations of existing rapid hole-forming methods and personnel positioning detection technologies are presented, and the development prospects of borehole vertical rescue technology are prospected. It is pointed out that the main research directions of mine borehole rescue technology in China in the future include: building a long-distance, high-precision and high-efficiency positioning system for trapped personnel in disaster-stricken mines, studying the rapid and accurate safe hole-forming technology and wall-penetrating detection technology for mine borehole rescue, improving the mine borehole rescue plan, and popularizing the knowledge of rescue and survival.