ABSTRACT

During the construction of geological drilling in high gas mines, coal and gas outburst mines, due to the use of drilling water to discharge slag and the pressure of the gas or rock powder mixture in the drilling, it is easy to cause instantaneous ejection to the outside. The construction personnel were unable to respond immediately, resulting in an instant gas gushing out of the tunnel or other mixtures in the hole spewing out and hurting people. The blowout prevention system is mainly made into a targeted treatment of the mixture sprayed from the orifice through careful exploration and research of the orifice, reducing gas and personal accidents caused by drilling construction.