In the large open-air coal mining operations, it has a decisive role of lowering consumption that the advanced production craft and equipment are used. Nowadays the main stream exploiting craft is the model of single bucket excavator, mobile crusher plant and belt conveyor, which is not continuous. Compared with the craft model of single excavator…

Sand making machine equipment is to put the sand into the sand stone equipment, this equipment can according to different process requirements to create different particle size of sand, sand making machine equipment was also solved the problem of shortage of natural sand, mechanism of sand to meet the needs of more fields. Our common…