地下沉积型磷矿悬臂式掘进机机械采掘试验研究

Mechanical mining test of sedimentary underground phosphate mine with cantilever roadheader

为解决某沉积型地下磷矿矿山开采遇到的成本高、效率低、安全风险大等问题,提出了机械落矿代替传统钻爆法落矿的技术思想,采用悬臂式掘进机进行机械采掘试验研究。首先根据矿山基本概况进行机械破岩可行性分析,选择合适的悬臂式掘进机装备进行落矿试验。然后对试验期间悬臂式掘进机的回采情况、设备运行指标及经济指标进行了详细测算与分析。试验结果证明,该技术适配沉积型地下磷矿的生产需求,可以有效解决开采过程中遇到的生产难题。研究成果具有重要的实用价值和意义。

In order to solve the problems of high cost,low efficiency,and high safety risk encountered in a sedimentary underground phosphate mine,a technical idea is proposed to replace traditional drilling and blasting mining with mechanical mining.Firstly,the feasibility of mechanical rock breaking is analyzed according to the basic situation of the mine,and an appropriate cantilever roadheader is selected.Then,the mining condition,equipment operation indicators,and economic indicators of the cantilever roadheader during the test period are calculated and analyzed in detail.The test results show that the technology is suitable for the production demand of sedimentary underground phosphate rock,and it can effectively solve the production problems encountered in the mining process.The research results have important practical value and significance.