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Key Takeaways- Cobblestone (river pebble) is high-silica, highly abrasive and round-slippery; the configuration hinges on two rules: use a jaw crusher for primary to grip the round feed, and a cone crusher for secondary to survive the abrasion — skip the impact crusher.- Answer three things before you fix the configuration: do you want aggregate only, manufactured sand, or both; how high is the silica and abrasion; and what capacity and site do you have.- Cobblestone is a premium feed for manufa...
Project OverviewA fixed crushing plant in the Philippines processes river stone - rounded pebbles worn smooth by river transport. The owner needed one stationary line rated at 150 tons per hour, producing three aggregate sizes, 5-10 mm, 10-20 mm and 20-30 mm, for local infrastructure and ready-mix concrete. River pebble is hard, high in silica and abrasive with a rounded shape, so the line is built on the classic river-stone circuit: feed - pre-screen - jaw - cone - screen - closed-circuit retur...
Quick AnswerRiver stone (river pebble) is hard, quartz-rich and abrasive, with a rounded shape that is tough on crusher wear parts. That rules out impact crushers as the workhorse — their blow bars burn through on high-silica rock. The mobile configuration that actually pays off is jaw plus cone, with a sand making machine added only when you also make sand. Pick the chassis by the site: tire-mounted for road-linked moves between jobs, crawler for rough riverbank or in-pit ground, stationary lin...
River stone is a common ore resource. After crushing, screening, sand making, sand washing and other links, it can produce machine-made sand aggregate of different fineness and particle size, which is widely used in roads, railways, buildings, etc. sand industry. So, how much sand can be made from one ton of river stone? What is the quality of the sand made? Here is a brief introduction for you. The amount of sand produced by river stone will directly affect the overall income of the sand making...
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