River gravel sand making production line - Kefid mechanical

River pebbles main chemical ingredient is silica, followed by a small amount of iron oxide and trace amounts of manganese , copper , aluminum , magnesium and other elements and compounds ; especially its quality hard , sharp color quaint , with a compression resistant to wear and corrosion the characteristics of the natural stone is an ideal green building materials .

The production line process :
First : the rough -breaking work , by using a jaw crusher production into coarse material transported by the conveyor to thecrushing machine for a second thin -breaking work ;
Second : the stone after crushing into vibrating screen , two stones meet the sand making feed size stones into sand making machine sand making another part of the material back into the thin broken ;
Third : the stones into sand making machine part made ​​of sand ,  sand machine (optional ) cleaning the finished product sand , another part of the cycle into sand making processes , until qualified into the material .
Kefid Heavy Industries, according to different process requirements , with suitable model equipment is configured to play its best performance .