Thus, it needs to a complete set large-screen machine with a large capacity, and high screening efficiency. With the introduction of dynamic design method and means, modern, large-screen machine structure will be rationalized, trouble-free operation will further extend.
The development of coal preparation makes people enter a new stage for the development of the vibrating screen; through comprehensively analysis the current development of the screening machinery, we find the trend of vibrating screen is as followings:
Tend to the development of high vibration strength, that is increase vibration parameters, it has a major impact on vibrating screen sieve processing capacity and screening efficiency. In addition to the high-frequency screen, foreign advanced screening machine has achieved vibration time 980r/min and vibration intensity 4.5-7A2/gn.
Tend to the ideal motion; it refers to the development of so-called ideal exercise in the vertical direction, the feed end of the amplitude is larger than the amplitude of the discharge end, while in the longitudinal direction, the material decreases from the feed end to the discharge end. This ideal screen surface movement has the advantage of improving efficiency and creating a good environment.
Tend to the standardization, serialization, universal development; it includes the standardization, serialization and universal in varieties, vibrator, screen frame, side plate, sieve plate, beams, drive shaft vibrating screen equipment. This is an effective way to facilitate the design, organize specialized production, ensure quality, and reduce costs.
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