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１９９６年５月，冷泉矿副井井筒基岩段施工运用了锅底形中深孔光底爆破新技术，创立井一次支护月进１４５．０ｍ新纪录。对锅底形中深孔光底爆破工艺的设计、取得的技术经济效果进行了分析。
In May 1996, a new technology of bottom-shell medium-deep-hole light-based blasting was applied to the construction of the auxiliary rock shaft base rock section of Lengquan Mine, and a new record of 145.0m per month was established in support of the establishment of a well. The design of deep-hole bottom blasting process of pot and the technical and economic results obtained are analyzed.