The impact crusher is a crushing device that uses impact energy to break up materials. The crushing equipment can process various materials with a strength of not more than 500 mm and a compressive strength of not more than 360 MPa. It has the characteristics of large crushing ratio, high crushing efficiency and convenient maintenance. The product is cube-shaped and is an ideal processing equipment for high-grade road surface and aggregate construction for hydropower construction.
The working principle of the double-rotor impact crusher is the same as that of the single-rotor impact crusher, but the double-rotor impact crusher is more intense in the material crushing process.
The impact crusher utilizes a plate hammer on a high-speed rotating rotor to generate high-speed impact and breakage of the material fed into the crushing chamber, and causes the broken material to be thrown at a high speed in the tangential direction toward the counterattack plate at the other end of the crushing chamber. This is broken and then rebounded from the counterplate to the hammer and continues the process. During the round trip, the materials also collide with each other. As the material is hit by the hammer of the hammer, the impact with the counterattack and the collision between the materials, the material continuously cracks and loosens and pulverizes. When the material particle size fish counterattacks the gap between the plate and the hammer, it is discharged.
The hammer of the impact crusher is fixed to the rotor of the crusher by various methods such as screw fixing, insert fixing, and wedge fixing, as shown in the figure. The screw-fixed structure is simple and the application is common. Its section is approximately rectangular and has a long strip shape and is mounted on the rotor's pallet in the direction of extension. There is a fixed form of dependence that creates conditions for the application of high hardness materials.
Hammer to 30 ~ 40m / s, even up to 50m / s when the operation line speed of the broken material, wear very serious, plate hammer constantly changing not only consume a large amount of metallic material, but also because the cut-off greatly affect the productivity of the crusher, even Become a restrictive link in production.
The above is the analysis of the working principle of the double-rotor impact crusher by the Red Star machine. More content, pay attention to the Red Star machine.
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