Double roll crusher, also known as a double roll crusher or double roll crusher, is a mechanical device that uses two rollers rotating in opposite directions for crushing operations.
The working principle of a double roll crusher is relatively simple and effective. Two rollers (also known as crushing rollers) rotate in opposite directions, and the material is fed into the crushing chamber between the two rollers from above or from the side. As the rollers rotate, the material is subjected to the combined effects of extrusion, shearing, and grinding, and is thus crushed into smaller particles. The crushed material is discharged through the gap between the rollers or the discharge port below.
Structural composition of double roll crusher
• Crushing roller: A roller made of wear-resistant material, which is the main component for crushing materials. The surface of the roller is usually covered with a wear-resistant layer to increase its service life.
• Frame: The frame that supports the entire crusher to ensure the stability and rigidity of the equipment.
• Transmission device: includes a motor, a reducer, and transmission components, which are used to drive the two rollers to rotate.
• Adjustment device: Used to adjust the gap between the two rollers to control the particle size of the discharge material.
• Feeding device: A device that feeds the material into the crushing chamber evenly and continuously.
• Discharge device: a device that discharges the crushed material from the crusher.
Double-roll crushers are generally suitable for processing materials with a hardness below medium. Specifically, it is suitable for materials with a Mohs hardness between 3 and 5, such as coal, limestone, iron ore, gypsum, shale, coke, slag, salt, glass, ceramics, bricks tiles, etc. These materials are squeezed, sheared, and ground between the two relatively rotating rollers of the double-roll crusher to achieve crushing.
It should be noted that although the double-roll crusher has a certain adaptability when facing materials with too high hardness, its crushing efficiency and roller wear will increase significantly, and may even cause equipment damage. Therefore, when selecting a double-roll crusher, it is necessary to comprehensively consider the hardness, particle size, humidity, and other characteristics of the material to ensure the normal operation and crushing effect of the equipment.
Baichy Machinery is a factory supplier of mining machinery, mainly focusing on stone crushers, powder grinding mills, and mineral beneficiation plants. We can offer you a free design and completed solutions according to your project.
Baichy Heavy Industry has grown into a high-tech mining equipment comprehensive enterprise, integrating R&D, manufacturing, sales, and after-sales service, Passing ISO9001:2015 quality management system certifications. The main products are mobile jaw crushing plants, construction waste crushing plants, PE jaw crushers, VSI sand-making machines, Symons cone crushers, single-cylinder hydraulic cone crushers, PCX high-fine crushers, grinding mills, ball mills, and full sets of beneficiation equipment with an excellent level.
