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High frequency screen is short for high frequency vibrating screen. As the name suggests, high frequency vibrating screen is the equipment which uses high vibration frequency to screen materials.
The high frequency vibrating screen is referred to as a high-frequency screen, which is composed of a vibration exciter, a slurry distributor, a screen frame, a frame, a suspension spring, and a screen. It is widely used in mineral processing, coal preparation, chemistry, brick making, food, pharmaceutics, alkali, fertilizer, paper, and other industries.
Iron ore, tin, tungsten, tantalum, niobium sand and other concentrator screening or grading operations, also suitable for mineral processing, coal processing, chemical industry, brick making, food, pharmaceutical, alkali production, chemical fertilizer, paper making and other industries.
High frequency screen consists of vibration exciter, ore pulp distributor, screen frame, machine frame, suspension springs and sieve, etc. This series screen is always used in processing minerals such as ferrous metals including hematite magnet and nonferrous metals including lead, zinc, gold and silver, etc.
High frequency vibrating mesh screen consists of base, frame, support, angle adjustment bar and electronic control box,etc.When the machine operates, the low frequency electromagnetic vibrator vibrates the feeder and outputs part of the mesh screen directly to move the whole screen. At the same time, the high frequency electromagnetic vibrator shakes the middle of mesh screen through the rubber cushion. The mesh screen is composed of three stainless steel screen layers; the lowest screen layer is high strength primary screen; the other two layers are workable screen in mine processing.
Specification Model | Processing capacity(t/h) | Power (kw) |
GPS-4 | 15-25 | 0.72 |
GPS-5 | 20-30 | 1.1 |
GPS-6 | 24-36 | 1.5 |
GPS-8 | 32-48 | 2.2 |
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.