Different from the principle of general screening equipment, the high frequency ore screen adopts the high frequency, which on the one hand destructs the tension of pulp surface and the high-speed oscillation of the fine materials in the screen surface, accelerating the segregations of the useful minerals with a large density and increasing the opportunity of the materials whose granularity is less than the separation granularity to contact with the sieve. Therefore, a better separation condition is formed so that the materials with smaller particle size than the separation size, especially the materials with large ratio can pass through the sieve with the slurry.
The high frequency mineral screen adopts the vibration exciter of cylinder eccentric shaft and partial block to adjust the amplitude. The drip line of the high frequency vibrating screen is long and it is featured with reliable structure, strong exciting force, high screening efficiency, low noise and it is durable and easy to conduct maintenance. The high-frequency vibrating screen is widely used for the product classification in the mining, building materials, transportation, energy and chemical industry.
1. High vibration times, low amplitude; it can effectively reduce the surface tension of the slurry to accelerate the fine and heavy materials pass through the screen.
2. The use of laminated screen, single aperture increases; prolong the service life of the screen.
3. Multi-channel feeding; high utilization of the screen surface; large processing capacity and low power consumption.
4. Rubber spring supports the screen frame to realize vibration isolation and sound absorption, low noise, low dynamic load, without concrete foundation.
The main factors that affect the working efficiency and working process of the high frequency ore screen and other screening machinery can be roughly pided into three kinds: First, the physical properties of the materials to be screened; second, the nature of the screen surface and its structure parameters and third,the impact of the production conditions.
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