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近年来:犹他粉碎中心对超声波粉碎技术进行了开发,组装并研究了一台超声波粉碎设备。通过采用一种特殊的压电陶瓷并在对其顿加4.1×104KPa的负荷以获得最大强度,使超声波转换器取得了重大改进。这种改进的系统使用稳定而快速的振动,促进矿石疲劳破裂,从而产生更有效的粉碎。本文探讨了超声波磨机的粉碎原理。对不同的物料,用超声波啮辊磨机(ultra-sonicnin-rolldevice)使矿粒成功地得到了粉碎。已反复证明了超声波粉碎不同物料的能力。石灰石的超声波粉碎和干式球磨结果比较表明:超声波设备的产品比球磨机的产品粒度分布更窄,特别是农产品的粗粒级范围内很少残存大颗粒,在细粒级范围内避免了物料过磨。这种特点使该设备除了在选矿领域应用外,可能在别的领域会获得更为有意义的应用,例如粉末冶金或材料科学为成功制备高技术陶瓷和玻璃要求产品粒度窄并对其加以控制。超声波粉碎设备的显著优点在于可以准确地控制产品粒度。
In recent years, the Utah Crushing Center has developed the ultrasonic crushing technology, assembled and researched an ultrasonic crushing plant. The use of a special piezo-electric ceramic with a load of 4.1 x 104 kPa applied to it for maximum strength has resulted in significant improvements in the ultrasonic transducer. This improved system uses stable and fast vibrations, promoting fatigue rupture of the ore, resulting in more efficient comminution. This article explores the principle of pulverization of an ultrasonic mill. For different materials, the ore particles were successfully pulverized with an ultra-sonicnin-rolldevice. The ability of ultrasonic to crush different materials has been repeatedly proven. Limestone ultrasonic grinding and dry milling results show that: Ultrasonic equipment products than the ball mill product particle size distribution is narrower, especially in the coarse range of agricultural products rarely residual large particles in the range of fine particles to avoid the material over mill. This feature allows the equipment to be used beyond the beneficiation area for more meaningful applications in other areas such as powder metallurgy or materials science for the successful production of high-tech ceramics and glass requiring narrow particle size and control of the product . A significant advantage of the ultrasonic comminution equipment is that the granularity of the product can be precisely controlled.