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介绍了CO_2预裂增透技术的基本原理,并在现场实际进行了实验研究。实验效果分析得出运用CO_2致裂增透技术可以使得回采工作面抽采瓦斯浓度及含量提高,在高瓦斯、突出煤层中掘进周期缩短10%~20%,有效地克服了炸药爆破过程存在的安全隐患,降低了抽采钻孔量。
The basic principle of CO 2 pre-cracking and penetration enhancement technology is introduced, and the experimental research is carried out in the field. Experimental results show that the use of CO_2 crack permeation enhancement technology can make the working face extraction gas concentration and content increased in the high-gas, coal outburst in shortening the cycle 10% to 20%, effectively overcoming the explosives blasting process exists Safety hazard, reducing the amount of pumping holes.