1. Impact crusher is suitable for both soft materials and materials with very large hardness.
(1) Compared with the hammer crusher (hammer head is hanging state), the rotor of the impact crusher has greater momentum, and is adapted to crushing harder materials. Compared with the hammer crusher, the energy consumption of the impact crusher is lower.
(2) the counterattack crusher fixedly installed on the rotor plate hammer, crushing can make full use of the total energy of the rotor, when is good for crushing large materials, and there's a counterattack crusher counterattack plate and large crushing cavity, the material of the broken by the impact of the hammer head, not only a main is to use the material with the back plate or material and material between the repeated shocks.
2. Impact crusher can effectively deal with large moisture content of the material, to prevent the blockage of the crusher
(1) Because there is no grate at the bottom of the impact crusher, the particle size of the product is determined by the gap between the impact plate and the hammer head, so when the water content of the material is too large, the phenomenon of blocking the grate when crushing wet materials can be avoided.
(2) The hammer crusher is equipped with a bottom sieve plate, increasing the possibility of blockage.
3. The wear of vulnerable parts of impact crusher is smaller than that of hammer crusher, and the metal utilization rate is high
(1) The wear of the impact crusher plate hammer only appears on the side facing the material, and the metal utilization rate of the impact crusher plate hammer can be as high as 45%-48%.
(2) the hammer crusher hammer is suspended, wear occurs in the upper, front, rear and side, relative to the plate hammer, hammer wear is more serious, hammer metal utilization rate is only about 35%. And the transposions themselves can be worn down. The sieve plate at the bottom of the hammer crusher is seriously affected by wear, and the sieve plate should be replaced completely, and the work of replacing the sieve plate is also more complex.
4. Impact crusher spare parts replacement is simple and maintenance costs are reduced accordingly
(1) The frame part of the impact crusher is a three-split structure. Just open the rear shell of the crusher to replace the plate hammer, the impact plate, the lining plate and other maintenance operations. The interchangeability of the parts of the impact crusher is strong, the varieties of vulnerable parts are few, and it is convenient for the procurement and management of spare parts.
(2) Hammer crusher hammer up to more than 100, replacing a set of hammer takes a lot of time and manpower, repair and maintenance costs are high. Bottom screen plate replacement is also extremely troublesome.
5. Impact crusher can conveniently and flexibly adjust the discharging particle size, and the discharging particle size adjustment range is wide
(1) The impact crusher can adjust the discharge particle size in a variety of ways, such as adjusting the rotor speed, adjusting the clearance of the impact plate and the plate hammer, etc.
(2) The hammer crusher can only adjust the discharge particle size by replacing the bottom sieve plate.
6. Impact crusher crushing ratio is large, the finished material particle shape is good
(1) The crushing ratio of impact crusher can reach more than 50, and the shape of finished material is good. Under the impact, the broken material is often broken along its most vulnerable level, this selective crushing method, the discharge particle size is uniform, the discharge is a cube shape, fine powder and dust content is low, so, in need of cubic particles on the occasion. For example, the anti-skid pavement of high-grade highway is usually used as the final breaking equipment to produce concrete aggregate.
(2) hammer crusher crushing ratio is small, the product granular needle flake content is more, high powder content, low crushing efficiency, low yield.
To sum up, the particle size molding requirements of finished materials are high, the humidity is large, and if the output is large, the impact crusher must be selected. General small stone factories process soft rock and require low output (within thirty tons per hour), and there is no requirement for the particle shape of finished products. Hammer crusher can be used.