打钻注水软化岩浆侵入体的实践

Practice of borehole drilling and water injection to soften magma intrusive mass of transportation gateway

为了保证矿井生产持续高效,根据侵入体的特定矿物成分及岩性特征,采取超前打钻、注水软化侵入体的方法,使工作面不搬家即可推过火成岩墙,根据岩浆侵入体的侵入规律和特殊的矿压显现规律,确定了合理的终采位置,多回收了3600余t的煤炭资源。

In order to ensure the mine production to be kept in high efficiency, according to the special mineral contents and rock features of the intrusive mass, a pilot borehole drilling and in advanced water injection were applied to soften the intrusive mass to allow the coal mining face pass through the igneous rock wall without a mining face removing. According to the intrusive law of the magma intrusive mass and the special strata behavior law, a rational mining terminal location was set up and over 3 600 t coal resources were recovered in addition.