How much do you know about counterattack crushers

The impact crusher is named based on its working principle, which uses the principle of impact crushing to crush materials. It is a finer crushing equipment compared to a jaw crusher. In the stone production line, it is mainly used for fine crushing operations and is used in conjunction with a jaw crusher for crushing.

The impact crusher has the following five advantages in the crushing process.

1、 The impact crusher has a better effect in handling wet materials and effectively prevents material blockage.

When the moisture content of the material is too high, heating devices can be installed on the feed chute and impact plate of the impact crusher to prevent material adhesion. The impact crusher does not require the installation of a bottom sieve plate, which can effectively prevent blockage.

2、 The impact crusher is suitable for a wider range of material hardness.

The plate hammer of the impact crusher is fixed on the rotor using a mechanical clamping structure, which has a large moment of inertia when rotating with the rotor. The rotor of the impact crusher has a large momentum and is suitable for crushing harder materials, with low energy consumption.

3、 The adjustment of discharge particle size is convenient and flexible, with a wide range of adjustment.

The discharge particle size can be adjusted in various ways, such as adjusting the rotor speed, adjusting the gap between the impact plate and the crushing chamber, etc. The gap adjustment can be controlled mechanically or hydraulically. The hydraulic control system can be used to conveniently adjust the gap through on-site operation buttons or distance control systems.

4、 Low wear of vulnerable parts and high metal utilization rate

The wear of the hammer head is only on the side facing the material. When the rotor speed is normal, the feed will fall onto the surface of the hammer head, and the back and side of the hammer head will not wear, even on the side facing the material, wear is minimal. And the bottom grinding rod is easy to replace. The metal utilization rate of the hammer head of the impact crusher can reach up to 45% -48%.

5、 The replacement of spare parts for the impact crusher is simple, and the maintenance cost is correspondingly reduced

There are only 6 plate hammers installed on the rotor of the impact crusher, and special tools are designed to facilitate the replacement of plate hammers. Replacing a set of plate hammers only requires one shift.

Working principle of impact crusher

The impact crusher uses impact energy to crush materials. During machine operation, the electric motor drives the rotor to rotate at high speed. When the material enters the plate hammer action area, it is hit by the plate hammer and thrown towards the counterattack device around the rotor, and then bounces back from the counterattack lining plate to the plate hammer action area until it is crushed to the required particle size. Adjusting the gap between the counterattack frame and the rotor can change the size and shape of the final product.

Impact crusher crushing process

The impact crusher adopts a novel design principle and a new crushing technology concept, which can meet the requirements of different material specifications and the new process of "more crushing and less grinding". It adopts the "inter material crushing" crushing method, which has a high crushing ratio and low power consumption. Through large-scale engineering projects, it has been proven that the machine has good application prospects in the field of mineral processing.

XKJGroup is a professional manufacturer of crushing machines, producing various types of impact crushers that can be used for material processing in sand and gravel plants, reducing equipment operating costs and improving equipment economic efficiency.