Sand making machine in gravel quarrying provide raw material for paving

Because gravel has good wear compression, it can be widely used in the production of concrete and aggregates. After gravel quarrying, we can use gravel production line and gravel sand making machine with high-performance to processed gravel aggregate with different fineness for paving.

Gravel Application

Gravel is distributed in many parts of the world. In the long term, gravel comes into being when the surface stones are weathering and the natural stones deposited and transport to foothills and piedmont by water. Generally, the gravel has no edges and corners and between 2-60mm in diameter. Fine gravel is an important material for the production of concrete. The hardness of gravel is 7. It has a higher acid etching properties and fire resistance. Therefore, it is the raw material in the production of glass, refractories, smelting ferrosilicon, metallurgical flux, paving, ceramics, abrasive materials. In the building, gravel can used to make acid concrete and acid mortar. In the water filter, the gravel has good interception ability and good acid resistance.

Gravel Quarrying and Processing Production Line

On the basis of the average particle size, gravel can be divided into three kinds, which are boulder gravel, coarse gravel and fine gravel. The average particle size of fine gravel is 1-10 mm. The average particle size of coarse gravel is 10-100 mm. The boulders gravel is greater than 100 mm. Generally, fine gravel can meet the basic needs of normal production, but coarse gravel and boulders will need to go through processing. SBM gravel quarrying and processing production line can work in accordance with customer requirements for a material particle. In the road construction process, the equipment composed of gravel production line including, gravel vibrating feeder, gravel jaw crusher, gravel impact crusher, gravel cone crusher, gravel vibrating screen, gravel sand making machine and gravel sand washing machine.

Different equipment has different discharge range and the overall graded gravel is different. For the production of coarse gravel aggregate in the construction of roadbed, SBM production line designs the program which use gravel cone crusher as the main processing equipment. This ensures that the gravel aggregate in the roadbed has good load-bearing and pressure resistance. For the production of finer-grained level of gravel aggregate used to build roads, SBM designs the solution using sand making machine and sand washing machine as the main processing equipment. This ensures that the gravel sand for road will be fine and even, making the road smooth and comfortable.

Importance of Gravel Sand Making Machine

Whether coarse aggregate or fine aggregate, when the grain crushed into a certain type, the sand shaping will make the final gravel grain more perfect. SBM VSI5X Sand making machine also called shaping machines, in the VSI series sand making machine developed on the basis of a new generation of products. It combines three kinds of crushing patterns in one, as well as the successful machine with multi-use and show extraordinary performance in both the secondary crushing and tertiary crushing. The machine uses a unique theory of rock to rock and scattered trays with dual use achieve the quickly switch between full feeding centers and feeding centers fall into the waterfall along the ring material. The machine uses large hydraulic cylinders, easy to open crushing chamber and easy replacement of wearing parts. Gravel sand making machine uses the powerful impact forces ti make the material in accordance with their problems crushing. In terms of shaping stones, it also has good results. In addition, sand making machine also has the advantage of high yield, large crushing ratio, low power consumption, small particle size, easy maintenance, reliable operation, low operating costs.

Paving Gravel Processing

Generally, when paving a road, we need clean the bottom of the road, then use the gravel, coal ash, cement mixing materials as roadbed. After the foundation is laid, we can spray a layer of asphalt evenly in the top and sprinkle a layer of sand and plastic mesh as follow. The mesh should be nailed with nails. Then the road will be covered with a layer of gravel asphalt and repeat with a roller to flatten. Different size gravel aggregates are not used in the same time. Generally, coarse gravel aggregates used at the beginning and more for the bottom of the embankment. Fine gravel aggregate is used at the middle and last and more for road surfacing. Currently, the world the length of gravel road is even more than the asphalt concrete road and cement aggregate road. Thus, the demand of paving gravel is still huge and the demand for a variety of gravel processing equipment continues to grow.

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VSI5X Crusher
Vertical Roller Mill
Raymond Mill
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