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2023-08-05

Why choose a impact crusher

Counter-crusher, also known as counter-attack, is mainly used for metallurgical, chemical, building materials, hydropower and other materials that need to be relocated, especially for the operation of mobile materials such as highways, railways, hydropower projects, etc. The types, sizes and finished material requirements vary in a variety of configurations.

The impact crusher can process materials with a side length of 100-500 mm and a compressive strength of up to 350 MPa. It has a large crushing ratio and a cubic particle after crushing. Widely used in building materials, ore crushing, railways, highways, energy, transportation, energy, cement, mining, chemical and other industries for medium and fine materials. The size of the discharge material can be adjusted, and the crushing specifications are diversified.

The impact crusher is named according to the working principle, that is, the material is crushed by the principle of counter crushing. It is a crusher equipment which is more fine than the jaw crusher. It is mainly used for fine crushing operations in the stone production line. The crusher cooperates to break. The impact crusher has the following five advantages in the process of crushing.

Impact crusher performance

First, the impact crusher is more effective in dealing with materials with large moisture content, effectively preventing material blockage. When the moisture content of the treated material is too large, the feed chute and the counterplate of the impact crusher may be equipped with a heating device to prevent the material from sticking. The impact crusher does not need to be equipped with a bottom sieve plate to prevent clogging.

Second, the impact crusher is suitable for a wider range of materials. The hammer of the impact crusher is fixed to the rotor by a mechanical clamping structure, and has a large moment of inertia when it rotates with the rotor. Compared with the hammer crusher (the hammer is in a suspended state), the rotor of the impact crusher has greater momentum, adapts to crushing harder materials, and has lower energy consumption.

Third, it can be convenient and flexible to adjust the particle size of the discharge, and the adjustment range is wide. The impact crusher can adjust the discharge granularity in various ways, such as adjusting the rotor speed, adjusting the backlash plate and the gap of the grinding cavity. The gap adjustment can be adjusted mechanically or hydraulically, and the hydraulic adjustment system facilitates the adjustment of the gap through the local operation button or the travel control system.

Fourth, the wearing parts of the wearing parts are small, the metal utilization rate is high, and the wear of the counter-attack type stone-breaking machine hammer is only present on the one side facing the material. When the rotor speed is normal, the feed will fall to the surface of the hammer (the striking surface), and the back and sides of the hammer will not be worn. Even the wear on the side of the material is scarce. And the bottom grinding rod is also easy to replace. The metal utilization rate of the impact crusher plate hammer can be as high as 45% - 48%.

5. The spare parts of the impact crusher are easy to replace and the maintenance cost is reduced accordingly. Only 6 hammers are installed on the rotor of the impact crusher. The special tools can be used to easily replace the hammers. The time of a shift.

Why choose a impact crusher

(1) The particle size is uniform, the discharge is cubic, and the fine powder and dust content are low.

(2) Low operating costs and low investment costs. The total weight of the impact crusher is lighter than that of the hammer crusher, the shape is small, and the dynamic and static load values are low, which can effectively reduce the cost of civil works. At the same time, the required motor power is low, which can effectively reduce the power consumption of the device and reduce the operating cost of the device.

(3) The impact crusher has long running time, and the consumable parts are durable and reliable.

First, it can handle materials with high moisture content to prevent clogging.

When the impact crusher is in operation, it can handle materials with a large moisture content, and can prevent the material from being blocked during the dust removal process. When the material with relatively large water content passes through the impact crusher, the feeding tank and the counterattack plate of the counterattack plate can be equipped with a heating device, the main function is to prevent the adhesion of the material and the counterattack plate, and the counterattack is not required to be equipped with the bottom sieve plate. Can effectively block the blockage of materials.

Second, the material is widely adaptable.

The impact crusher has a variety of applications, which can crush hard materials or break soft materials. The hammer of the counter crusher is firmly fixed to the rotor by a mechanical clamping structure, and has a large moment of inertia when the rotor rotates. The counter-attack crusher rotor has more power to accommodate the crushing of harder materials while consuming less energy.

Third, the size of the discharge granularity is varied

The output size of the impact crusher is flexible and adjustable, and the range is relatively wide. The counter crusher can adjust the discharge particle size by adjusting the rotor speed and adjusting the gap between the counter plate and the crushing chamber. The gap adjustment can be mechanical or hydraulic, and the hydraulic adjustment system can easily adjust the gap through the on-site operation button or distance control system.

Fourth, vulnerable parts wear less

The impact crusher of the impact crusher has less wear and tear, and the utilization rate of the metal wearing parts is high. The wear of the counter-offer breaker hammer appears only on one side of the panel material. When the rotor speed is normal, the feed will fall on the surface of the hammer (the striking surface), and the back and sides of the steel hammer will not wear. Even on the side of the material, there is little wear. The bottom grinding rod is easy to replace. The metal utilization rate of the counter-attack crusher plate hammer can reach 45%≤48%. The hammerhead of the hammer crusher is suspended and the wear occurs on the top, front, back and sides. Compared with the hammer, the hammer wear is more serious, and the metal utilization rate is only about 25%. The rotor itself may wear out.

Fifth, the replacement of spare parts is simple and the maintenance cost is low

The replacement of the spare parts of the impact crusher is simple and the maintenance cost is reduced accordingly. Only a few hammers are installed on the rotor of the impact crusher (the equipment of different manufacturers may have different number of hammers). It is convenient to replace the hammer with a special tool, and only one shift is required to replace the set of hammers. The replacement of the bottom grinding chamber grinding rod can only take a few + minutes, which greatly reduces the time and cost of inspection and maintenance.

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