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辽宁五龙金矿区金刚石取芯钻头研究

WANG Luzhao,WU Haixia

Jin'gangshi yu moliao moju gongcheng(2022)

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Abstract
五龙金矿是辽东矿集区的大型石英脉型金矿床,累计黄金储量超过80 t,但随着开采量的增加,目前该矿床开采深度达近千米,保有储量不断减少,所以亟须开展矿区深部找矿研究。在以往研究的基础上,通过钻头胎体配方、金刚石参数及钻头结构等研究,试制高胎块金刚石取芯钻头。现场试验表明:钻头效果显著,机械钻速为1.4 m/h,钻头寿命达到132.2 m,解决了该矿区钻头钻进效率低、使用寿命短的问题。
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Key words
diamond bit,iron based matrix formula,eccentric cutter,ultrahigh matrix
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