![<?echo $_SERVER['SERVER_NAME'];?>](/template/twentyseventeen/skin/images/header.jpg)
The layout of the mining and cutting process of the stage forced collapse method is basically the same as that of the sublevel caving method with the bottom column. The main difference is that the stage forced collapse method has only the stage bottom column, and the mining quantity is much smaller than the sublevel caving method. In several schemes of this Law, the mining volume of the deep hole mining plan is the smallest, the medium and deep hole mining plan is the second, and the mining room mining plan is higher.
Rock drilling with YG-40, YGZ-90 rock drill and YQ-100 down-the-hole drilling rig . The YG-40 rock drill is used to drill horizontal fan-shaped hollow holes in the patio. The YGZ-90 rock drill is mainly used to drill up-span-shaped medium-deep holes in the section rock drilling roadway and the gully roadway, while the YQ-100 type down-the-hole drilling rig is used to drill horizontal fan-shaped deep holes in the rock drilling chamber. .
The horizontal compensation space compensation ratio in the forced collapse method and the forced collapse method in the stage of deep hole and deep hole falling in the horizontal stage is 20 to 30%, which is a free space blasting; The blasting in the forced caving method in the stage of falling mine belongs to the blasting of the caving rock. This kind of blasting can make the agglomerate ore block relatively uniform and less damage to the stability of the nugget bottom column.
At present, there are more mines using electric shovel, and individual mines start to use ore scrapers or vibrating miners to mine. The discharge of the scraper has the advantages of large production capacity of the ore and high labor productivity, but the mining cost is high. The use of vibrating miners has the lowest cost of mining, and the production capacity of the nuggets and labor productivity are both high. It is a mining equipment with good prospects in the stage of forced caving.
Cnc Lathe Machine,Lathe Cutting Machine,Lathe Machine For Steel,Horizontal Cnc Lathe Machines
Tengzhou Borui CNC Machine Tool Co,.Ltd , https://www.br-cnc.com