Impact Crusher Advantage

Impact Crusher Advantage

Both the impact crusher and the hammer crusher crush the material by high-speed impact, and the shapes of the two devices are very similar, so many people cannot distinguish between the counter-attack and the hammer. It mainly introduces the advantages of the impact crusher relative to the hammer crusher.

The impact crusher has a unique working mechanism and structural design features. In terms of performance characteristics, the impact crusher has obvious technical advantages compared with the hammer crusher: the discharge granularity is uniform, the discharge is cubic, and the fine powder and dust content are low. Low operating costs and low investment costs. The total weight of the impact crusher is lighter than that of the hammer crusher, the outer shape is small, and the dynamic and static load values ??are low, which can effectively reduce the civil construction cost. At the same time, the required motor power is low, which can effectively reduce the power consumption of the equipment and reduce the operating cost of the equipment. The impact crusher has a long service life and low long-term running cost.

Through the above three analyses, the impact crusher has the following five advantages over the hammer crusher:

Advantage 1: It can handle materials with large moisture content to prevent clogging. The impact crusher can effectively handle materials with large moisture content and prevent clogging of the crusher. 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. The hammer crusher cannot be heated to prevent the material from sticking, and the bottom sieve plate must be provided to increase the possibility of blockage.

Advantage 2: The material has wide adaptability. The impact crusher is suitable for both soft materials and very hard 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 consumes less energy.

Advantage 3: The discharge adjustment range is wider. The impact crusher can easily and flexibly adjust the discharge granularity and has a wide adjustment range. The impact crusher can adjust the discharge particle size in various ways, such as adjusting the rotor speed, adjusting the clearance between the counterplate and the grinding chamber. The gap adjustment can be adjusted mechanically or hydraulically, and the hydraulic adjustment system can be used to easily adjust the gap by operating the button or the travel control system. The hammer crusher can adjust the discharge particle size only by replacing the bottom sieve plate.

Advantage 4: Wear parts are small. The wear of the impact crusher of the impact crusher is smaller than that of the hammer crusher and the metal utilization rate is high. The wear of the impact crusher plate hammer is only present on the 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%. The hammer crusher has a suspended state, and the wear occurs on the upper, the front, the back and the side. Compared with the hammer, the hammer wear is more serious, and the metal utilization rate of the hammer is only about 25%. Moreover, the rotor body itself may also be subject to wear. The bottom sieve plate of the hammer crusher is seriously affected by the wear, the barrier is completely replaced, and the work of replacing the sieve plate is also complicated.

Advantage 5: Easy replacement of spare parts and low maintenance costs. 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 also take only tens of minutes, which greatly reduces the time and cost of inspection and maintenance. The hammer crusher has dozens of hammers, and it takes a lot of time and manpower to replace a set of hammers, and the maintenance and maintenance costs are high. The bottom screen change is also very troublesome.

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