老窿残矿开采技术及安全管理措施

在调查、分析龙山金锑矿老窿残矿赋存特征和开采技术条件的基础上,结合矿山生产实际,采用脉外平巷加穿脉群开采技术,并对现场施工提出具体的安全措施和要求,确保安全、高效地回收老窿残矿.采矿试验研究证明:该项技术采矿效率高、回采作业安全性好、经济效益显著.可供类似矿山借鉴.

Ming Techniques and Safety Management Measures for Remnant Orebody with Remaining Old Workings

Based on the investigation and analysis of the occurrence characteristics and mining technological conditions of remnant orebody with remaining old workings in Longshan gold antimony mines,a mining technique of outside-vein tunnel with short roadways across the vein is put forward with consideration on the mine production actuality.Simultaneously,to ensure the safety and efficiency in mining,specific safety measures and requirements are also presented for the site operation.Ming experiments show that this technique possesses the features of high mining efficiency,good safety performance of stoping operation and good economic benefit.It can be favorably adopted by similar mines.