深孔松动爆破防治煤与瓦斯突出的分析

Analysis on the principles of preventing coal and gas breakout with deephole loose blasting method

根据煤与瓦斯突出机理假说理论 ,结合深孔松动爆破措施前后煤体中瓦斯压力、透气性、预排瓦斯量、卸压程度及煤气温度等参数的变化情况进行对照分析 ,从不同的角度说明深孔松动爆破措施可防治煤与瓦斯突出的 (以下简称防突 )作用与原理。并结合高二矿的生产实际阐明了该措施是适合该矿的一种简单易行、安全可靠。

In the light of the hypothesis theory of coal and gas breakout,the comparative analysis has been made in the respect of the parameter changes of gas pressure,temperature,permeability,volume of gas predrainage and pressure release level in coal bodies before and after adopted deephole loose blasting method.The results have shown the functions and principles of preventing coal and gas breakout with deephole loose blasting method from the different angles and indicated that the method is a kind of easy to operate,reliable and safe and economic rationality anti-breakout method from the production practice of the mine.