Advantages of impact crusher
Impact crusher is mainly used in metallurgy, chemical industry, building materials, hydropower and other materials processing that often need to be relocated operation, especially for highway, railroad, hydropower engineering and other liquid stone operations, can be used in a variety of configuration forms according to the type of raw materials processed, the size and finished material requirements. Now often used in urban demolition in the construction waste treatment project, the construction waste crushing and screening into several different sizes and rules of recycled aggregate, is the basis for the realization of construction waste resource reuse project.
Impact crusher, the history of development can be traced back to the 1850s, a long time ago from the birth of the world's first jaw crusher. With the development of productivity, the jaw crusher could no longer fully meet the needs of crushing technology, so, on the basis of the jaw crusher, people designed the impact crusher. Impact crusher is named according to the working principle, that is, the use of the principle of impact crushing to crush materials, is a finer crusher equipment than the jaw crusher, in the stone production line is mainly used for fine crushing operations, and jaw crusher for cooperation crushing.
Impact crusher has the following five advantages in the process of crushing.
1. Impact crusher is more effective in handling materials with high wetness and effectively prevents material blockage.
The feed chute and impact plate of the impact crusher can be equipped with heating devices to prevent material bonding when handling materials with excessive moisture content. The impact crusher does not need to be equipped with a bottom screen to prevent blockage.
2. Impact crusher is suitable for a wide range of material hardness.
The impact crusher's plate hammer is mechanically clamped to the rotor and has a large rotational inertia when rotating with the rotor. Compared to hammer crushers (where the hammer head is overhanging), the rotor of impact crushers has greater momentum and is suitable for crushing harder materials, while consuming less energy.
3. The size of the discharge can be adjusted easily and flexibly, and the adjustment range is wide.
The impact crusher can adjust the discharge size in many ways, such as adjusting the rotor speed, adjusting the gap between the impact plate and the grinding chamber, etc. The gap adjustment can be done mechanically or hydraulically, and the hydraulic adjustment system can be easily adjusted by the local operation button or the transport control system.
4. Small wear and tear of wearing parts, high metal utilization rate.
The wear and tear of the plate hammer of the impact crusher only appears on the side facing the material. When the rotor speed is normal, the feed material will fall to the surface of the plate hammer (striking surface), the back and side of the plate hammer are not worn. Even on the side facing the material, the wear is minimal. And the bottom grinding bar is easy to replace. The metal utilization rate of impact crusher plate hammer can be as high as 45%-48%.
5. Impact crusher spare parts are easy to replace and maintenance costs are reduced accordingly.
Only 6 plate hammers are installed on the rotor of the impact crusher. The replacement of plate hammers can be easily done with the designed special tools, and it only takes one shift to replace one set of plate hammers.
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