After crushing, screening and sand making, natural river pebble can turn into sand. Sand is a kind of important industry raw material that widely used in water conservancy, railway and highway building, construction and so on. The sand from river pebble also is widely used as material for making concrete. Besides, the river pebble resources are abundant. Here we focus on river pebble sand making in Vietnam.
In a river pebble sand making plant, there should be primary crusher, secondary or fine crusher, sand making machine, vibrating feeder, vibrating screen, belt conveyor and sand washing machine etc. Generally, jaw crusher is used as the primary crusher and cone crusher is used as the fine crusher.
In 2012, a Vietnam customer contacted our company and said he needed a 150tph sand making plant. After confirming his detail requirements, our engineer designed a complete sand making plant for him. There is a jaw crusher, a cone crusher, a vibrating screen, a VSI sand making machine.
The working process is: firstly, the jaw crusher will crush the river pebbles into smaller sizes. And then these crushed river pebbles will be sent to the cone crusher for further crushing. After this, the small particles discharged from the cone crusher will be sent to the vibrating screen for grading. The particles with required sizes will be sent to the sand making machine while others will be sent back to the cone crusher for re-crushing. The particles in the sand making machine will be crushed into sand and then the sand will be sent to the sand washing machine to remove the dust out.
Here, because the capacity required is 150tph, so we suggest our VSI7611 sand making machine for him. The capacity range of this machine is 120-180tph, totally suitable for the customer. Besides, this crusher has three different feeding methods which meet different crushing requirements of the customer. And the special lubrication system makes the machine stable and long life.
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