River pebble is a kind of pure natural stone, which is formed by continuous extrusion and friction in the process of mountain torrent impact and water transportation. It is hard, wear-resistant and stable in chemical properties. It is widely used in water conservancy, hydropower, roads, railways and other fields. The comprehensive utilization value of river pebbles after sand making is very high.
Sand making from river pebbles requires a sand making production line. The process flow of the sand making production line is mainly: feeding→coarse crushing→medium and fine crushing→sieving→sand making→washing and other steps. The equipment used includes vibrating feeder, jaw crusher, cone crusher, vibrating screen, Sand making machine, sand washing machine, etc.
What are the main crushing equipment for river pebble sand making:
1. Broken
Commonly used equipment: Jaw Crusher, Cone Crusher
If the particle size of the raw material is too large, the direct sand making treatment will increase the difficulty of the sand making equipment and affect the sand production efficiency. Add crushing link before sand making. Jaw crusher is the key equipment used in crushing river pebbles, used for primary crushing of river pebbles; cone crusher is an intermediate crushing equipment used in river pebble sand making, used for crushing river pebbles after jaw crusher crushing Secondary crushing to obtain finer finished products (due to the hard texture of river pebbles, it is not suitable to use impact crushers for secondary crushing).
2. Sand making
Commonly used equipment: VSI impact sand making machine
The impact sand making machine is frequently used in the battlefield, basically it is necessary for large and medium-sized production lines. The type of sand produced is uniform, the throughput is large, the quality of the finished product is excellent, the grain shape is comparable to natural sand, the powder content is low, and the economic value is very high. After the structure of the impact sand making machine is improved, its sealing performance is greatly improved, which can effectively reduce dust pollution and noise decibels.
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