The overhand cut and fill stoping method is mainly used in Sanshandao Gold Mine,and roof-contacted filling is implemented after backstoping of each appoach is completed.A series of tests such as the tests of physical and chemical properties of tailings,the tests of static settling parameters of tailings and the tests of the ratio of filling slurry are conducted for this mining method.It's concluded that the optimal flocculant addition amount is 30 g/t,and the optimal cemented filling material is the filling slurry of tailings plus gravel(m sand:m gravel =10:1).The configured filling system has a maximum hourly filling capacity of 360 to 380 m3/h,which can meet the requirements of filling and mining production.
关键词
充填/进路/尾砂沉降/料浆配比
Key words
filling/appoach/sedimentation of tailings/slurry ratio
维普
万方数据