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Hammer crusher relies on the impact force to crush materials, which can crush various sized materials into uniform particles and then move to the next working step.
Hammer crusher is suitable for crushing various medium hardness and brittle materials, such as limestone, coal, salt, white ore, gypsum, alum, brick, tile, coal gangue, etc. The compressive strength of the crushed materials does not exceed 150MPa, and the water content is less than 15%. It is widely used in cement, coal preparation, power generation, building materials and compound fertilizer industries. It can crush raw materials of different sizes into uniform particles to facilitate the next process. It has reliable mechanical structure, high production efficiency and good applicability.
Hammer crusher is suitable for crushing various medium hardness and brittle materials, such as limestone, coal, salt, white ore, gypsum, alum, brick, tile, coal gangue, etc. The compressive strength of the crushed materials does not exceed 150MPa, and the water content is less than 15%. It is widely used in cement, coal preparation, power generation, building materials and compound fertilizer industries. It can crush raw materials of different sizes into uniform particles to facilitate the next process. It has reliable mechanical structure, high production efficiency and good applicability.
Hammer crusher whose purpose is to shred or crush aggregate material into smaller pieces by the repeated blows of little hammers. The basic principle is straightforward. A hammer crusher is essentially a steel drum containing a vertical or horizontal rotating shaft or drum on which hammers are mounted. The hammers are free to swing on the ends of the cross, or fixed to the central rotor. The rotor is spun at a high speed inside the drum while material is fed into a feed hopper. The material is impacted by the hammer bars and is thereby shredded and expelled through screens in the drum of a selected size. The hammer crusher can be used as a primary, secondary, or tertiary crusher.
hammer crusher
Heavy type hammer crusher
Mobile Hammer Crusher
A hammer mill crusher is mainly composed of the frame, rotor, hammer head, main shaft, and other components.
In the hammer crusher, the motor drives the rotor to rotate at a high speed through the belt, and on the rotor there are series of hammers. When the materials get into the working area of hammers, the rotating hammers with high rotation speed are crushing them; the crushed products meeting the required size can be discharged by the outlet and become the final products; the large size products are brought back to the crushing area by the hammers for being re-crushed until they reach the required size.
Answer: Key factors influencing separation include the table’s motion (stroke and frequency), water volume and slope, feed rate and concentration, and the feed material’s particle size and shape. Proper adjustment of these factors is critical for efficient separation. The table’s longitudinal and transverse slopes must be precisely controlled. The feed concentration should also be appropriate, typically 20-30% for coarse minerals and 15-25% for fine minerals.
Answer: Operation involves observing the bed surface and adjusting the slope, water flow, and feed rate. Regular maintenance includes checking for loose parts, lubricating moving components, inspecting for wear, and cleaning the table surface. Preventative maintenance should be performed regularly, with intervals ranging from every month to once a year.
Answer: Common issues can include table shaking or choppy cuts, uneven material distribution, or poor separation. Troubleshooting may involve checking for loose bolts, damaged springs, or misalignment, adjusting belt tension, inspecting electrical components, and ensuring proper lubrication. If there’s unusual noise, identify the source and eliminate the problem.
Answer:
Advantages: Shaking tables offer high enrichment ratios, are relatively simple to operate, and produce visible separation zones, allowing for easy adjustment and monitoring. They are suitable for a wide range of particle sizes and densities.
Disadvantages: They typically have lower throughput capacity compared to some other methods like jigs or spirals. They also require a relatively large footprint and consume a significant amount of water.
Answer: The selection depends on the material being processed, the desired throughput, and the particle size range. Factors to consider include the deck area, stroke length, and riffle design. Consulting with a manufacturer or expert is recommended to determine the optimal configuration.
