What type of stone crusher is used to crushing river pebbles?

River pebbles are naturally occurring, rounded stones that are often used as decorative materials in landscaping or for construction purposes. To crush river pebbles into various sizes for different applications, various types of stone crushers can be used. Some common types of stone crushers that are used for crushing river pebbles include:

1. Jaw Crusher: This type of crusher is commonly used for initial crushing of river pebbles. It has a fixed jaw and a movable jaw that moves back and forth to crush the pebbles. Jaw crushers are well-suited for medium to large-sized river pebbles.
2. Cone Crusher: Cone crushers are used for secondary and tertiary crushing of river pebbles. They have a conical-shaped chamber and a rotating inner mantle that gyrates to crush the pebbles between the mantle and concave. Cone crushers are suitable for medium to fine crushing.
3. Impact Crusher: Impact crushers use impact force to crush river pebbles. They have a high-speed rotating rotor that impacts the pebbles and breaks them into smaller pieces. Impact crushers are commonly used for shaping and producing fine aggregates.
4. VSI (Vertical Shaft Impactor) Crusher: VSI crushers are used for shaping and producing artificial sand from river pebbles. They utilize a high-speed rotor with wear-resistant tips to throw the pebbles against a crushing chamber, breaking them into smaller fragments.
5. Hammer Crusher: Hammer mills or hammer crushers can be used for crushing river pebbles into smaller sizes. They consist of a rotating shaft with hammers attached, which impact the pebbles and reduce their size.

The choice of stone crusher depends on factors such as the size of the river pebbles, the required product size, and the desired capacity. Additionally, the hardness and abrasiveness of the pebbles also influence the selection of the appropriate stone crusher. Proper screening equipment may also be used to separate different sizes of crushed river pebbles.