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云南驰宏锌锗股份有限公司会泽采选厂麒麟坑开采深度已达1500多m,采场的地应力逐渐变大,矿岩稳固性降低,含水量增加,冒顶片帮的风险随之增加;同时,井下排水问题也更显突出。为此,该公司进行了充填接顶试验研究,成功解决了采场顶板接顶和冒顶片帮的问题。
Yunnan Chihong Zinc and Germanium Co., Ltd. Huize mining plant Kirin pit mining depth has reached more than 1500 m, stope ground stress gradually increased, the stability of ore rock decreased, water content increased, the risk of risking the top piece of film increases Meanwhile, the issue of underground drainage is also more prominent. To this end, the company conducted a top-hatch test study, successfully solved the stope roof roof and roof-top film help.