Introduction to the working principle of roll crusher
The working principle of the double-roll crusher is mainly based on the squeezing and crushing action between two parallel rotating rollers. The following is a detailed introduction to the working principle:
Feeding stage: The material enters the interior of the double-roll crusher through the feed port. During this process, the material is guided by the fixed roller and gradually enters the crushing chamber formed by the two rollers.
Compression stage: After the material enters the crushing chamber, the two rollers rotating relative to each other begin to clamp the material in the middle. Usually, one roller is fixed, while the other roller can move vertically to change its spacing. As the rollers rotate, the material is subjected to strong squeezing and shearing between the rollers.
Crushing process: Under the action of squeezing and shearing forces, the material is gradually crushed into smaller particles. Factors such as the speed and spacing of the rollers and the properties of the material will affect the crushing effect. By adjusting these parameters, the crushing requirements of different particle sizes of the material can be achieved.
Discharging stage: After a period of squeezing and shearing, the crushed material is discharged from the bottom of the machine. The size and shape of the finished particles depend on factors such as the spacing and speed of the rollers.
In addition, the double-roll crusher also has an automatic yield function. When encountering too hard or unbreakable objects, the rollers can automatically retreat by the action of hydraulic cylinders or springs to increase the gap between the rollers, thereby protecting the machine from damage.
In general, the double-roll crusher achieves efficient crushing of materials through the squeezing and crushing action of two rollers. It has the advantages of simple structure, convenient operation, and good crushing effect. It is widely used in metallurgy, building materials, refractory materials and other industrial sectors to crush materials with medium and high hardness.
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