Sand and gravel production line usually adopts silo-feeding-coarse crushing-middle and fine crushing-sand making-screening-sand forming, and connects each process by belt conveyor. If there are higher requirements for product quality and environment, it can be equipped with sand washing and dust removal equipment.
Therefore, the equipment required for a complete sand and gravel line are: vibrating feeder, jaw crusher, cone crusher/impact crusher, sand making machine, vibrating screen. The specific equipment structure will be different due to the characteristics of the raw material being processed, the output and the particle size of the final product. When configuring the equipment, it is important to take into account the actual production factors such as raw materials, output, site and budget.
1. Raw materials
Different hardness, particle size of the raw material, its supporting equipment is also different, if the raw material particle size is large, you need to be equipped with a coarse crusher - jaw crusher, the large stone grinding into medium size, and then for the second crushing.
If the raw material is granite, basalt and other high hardness stone, the second crushing method needs to choose cone crushing, while the lower hardness stone, such as limestone, weathered stone, etc. can choose reverse crushing method.
2. Productivity and final product
Each machine has its own specification, according to the production efficiency to determine the required model.
And the structure of the production line is different according to the requirement of the product. If you just produce crushed stone, you don't need to equip sand making machine, 2-3 stages are enough. If you want to use machine-made sand, you have to add a sand mill after cone crushing/anti-crushing.
3. Demand for mobile work
Now there are two kinds of sand and gravel equipment on the market, one is the traditional stationary sand and gravel equipment (feeder, jaw crusher, cone crusher, impact crusher, sand making machine, vibrating screen and other complete sets of equipment are included), and the other one is the mobile sand and gravel equipment (mobile crushing plant).
The fixed gravel machine has a large output, but it is inconvenient to move, which is suitable for large gravel lines with stable raw materials and sites. The output of mobile gravel plant is not as high as fixed gravel production line, but it is equipped with a set of vehicle-mounted system, which can be transported directly to the workplace, without the need to make a concrete foundation, the installation and dismantling speed is very fast, and it is easy to carry out the transfer operation, which is suitable for the gravel processing project with irregular raw materials and urgent need in the short term.
Sand and gravel production line
When choosing gravel production line equipment, price is also a major factor to consider. Different equipment configurations, the price varies greatly, according to the budget to choose their own equipment and manufacturers. However, in this process, the quality of the equipment and after-sales service should also be taken into account, and choose a formal manufacturer with strength to ensure that the subsequent production line can run normally.
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