Pebbles can be used to produce sand with different fineness, such as coarse sand, medium sand and fine sand, which are used in the fields of construction and highway repair. 202 1 year average price of machine-made sand 100- 170 yuan \ ton, the overall trend is steady and rising. So it is better to use pebbles as sand.
Pebble sand making
Pebble sand making equipment
There are several processes for making pebble sand.
1. Jaw crusher is used for coarse crushing, and it is crushed into more than ten centimeters of gravel.
Secondly, the cone crusher is selected for medium-fine crushing, and it is crushed into stones of about 1-2 cm by the principle of lamination.
3. Vertical shaft impact crushing is selected for shaping sand making, and the principle of "stone to stone" and "stone to iron" is combined to make the sand below 0.5mm, with adjustable size and granularity.
Sand-making technology of river pebble