River gravel is a natural stone , taken from the crustal movement experienced by the tens of millions of years ago after an ancient riverbed gravel ridges produce mountains , experiencing the impact of flash floods , water removal process of continuous extrusion, friction. In tens of thousands of years of tremendous evolution , they tormented waves of water will sport collision friction is lost gravel irregular edges, and they were buried in silt an underground millions of years of silence .
River pebbles main chemical composition is silicon dioxide , followed by small amounts of iron oxides and trace amounts of manganese, copper, aluminum , magnesium and other elements and compounds . They themselves have different colors, such as crimson by iron , copper blue by purple by manganese, silica gel yellow translucent chalcedony , emerald green color with minerals , etc. ; Because these ions dissolved dioxide pigment silicon hydrothermal different in type and content , thus showing shades , ever-changing shades of color , so that river pebbles showing black, white, yellow, red , dark green, schungite other colors . Near the Haihe river pebbles mostly rely on river pebbles gathered black sand , pebbles should account for more than half of the volume , because of its wide distribution , the more common , and appearance, so the ideal garden , road , construction of stone selection.
River gravel, is a hard, wear-resistant, chemically stable silicate minerals, natural river eggs crushed ore, sand by sand maker, after screening a series of production and processing into egg river sand, river sand is an important egg industrial mineral raw materials. Widely used in water conservancy and hydropower engineering, highway, highway, railway, passenger line, bridges, airport runways, municipal engineering, high-rise building sand production mechanisms and stone shaping. River pebbles into sand is also widely used as concrete aggregate. River pebbles abundant resources, relatively low acquisition cost and high value.
River Gravel need to consider the hardness of the problem, so Sand Making plant must be very strong, very good, and the need for durable. Great Wall can provide River Gravel Sand Making plant solution for you. If you have any questions you can consult our by jessiezhao2013@hotmail.com. We are very happy to read to solve the problem.
 

上一篇：Do You Know the Types of Sand making machine?

下一篇：Sand Making plant India Price