Aggregate and rock crushing operations involve the handling and processing of nonmetallic mineral products for the construction industries. Nonmetallic mineral products are quarried or mined and are then transported to the processing plant for further classification and/or further size reduction. In addition, some recycled aggregate products (such as concrete and asphaltic concrete) are also processed…

With the increasing demand of artificial sand, pebble, granite, basalt or other materials become the main source of sand. Pebble is also from rocks, rock fall into the river, has long been scouring, abrasion, leaving the hard part. Smooth appearance and inner hardness makes it hard to be broken, directly into the mechanism of sand…