There are five basic types of surface mining including openpit mining strip mining dredging mountaintop removal and high wall mining All of these methods remove the waste material or the overburden which is above the desired resource Often surface mining is preferred over underground mining or subsurface mining for numerous reasons.
Jaw crusher is the vital equipment in crushing industry.Detail
Roll crusher (roller crusher) is suitable for the fine crushing of the materials with feeding size less than 110mm, and finished particle size 3-30mm.Detail
Sand maker is also known as impact crusher or sand making machine.Detail
Ball mill is the vital equipment for recrushing after being crushed.Detail
Circular vibrating screen is mainly used to screen the dry materials used for metallurgy, coal, ore, etc.Detail
Raymond mill is also known as Raymond, Raymond machine.Detail