Mine gas explosions present a serious safety threat in the worldwide coal mining industry. it
has been considered the no. 1 killer for underground coal mining workers. the formation of …

Increasing expansion of China's coal mine production leads to the increased storage
pressure in current coal silos. Most of these coals are stored in open-air coal pile. Therefore …

Increasing expansion of China's coal mine production leads to the increased storage
pressure in current coal silos. Most of these coals are stored in open-air coal pile. Therefore …

With the development of deep mining, the problem of heat damage is becoming more and
more serious. The deep mine has a longer ventilation route, which will cause the tunnel …

With the gradual development of deep mining, heat hazard has become an increasingly
prominent problem, which poses a great threat to the coal mine production. In order to …

In underground mining operations, the overlying strata move, deform, and crack as the
underground working face advances due to strata breakage, failure, and subsidence …

In order to solve the problem of the inability of solid sealing materials to block secondary
fractures in the existing gas drilling plugging technology, which leads to a sharp decline of …

为了克服已有瓦斯钻孔封堵技术中固态封堵材料无法封堵次生裂隙, 导致瓦斯抽采后期抽采效果
急剧下降的难题, 提出了一种操作简单, 成本低廉, 提高钻孔密封效果的瓦斯抽采钻孔密封方法 …