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超微粉碎机厂家:超微粉碎粉体的粉体特性

  粉碎材料是人类从原始走向文明的基本技能。的磨粒在古代石器的处理,从古代的粗糙处理材料到现代工业加工处理、粉碎技术提供有效的帮助人类,扩展了自然资源的利用率,促进人类精神和物质文明的发展。济南天芳机械有限公司是一家专业生产超细粉碎机的厂家,今天就来分析一下超细粉碎机的特点。
  Crushing materials is the basic skill of human beings from primitive to civilization. The treatment of abrasives in ancient stone tools, from ancient rough processing materials to modern industrial processing and crushing technology, provides effective help to mankind, expands the utilization rate of natural resources, and promotes the development of human spiritual and material civilization. Jinan Tianfang Machinery Co., Ltd. is a manufacturer specializing in the production of ultra-fine grinders. Today we will analyze the characteristics of ultra-fine grinders.
  1. 粒径及粒度分析研究
  1. Analysis of particle size and particle size机械破碎主要是裂纹破碎和实现破碎。根据Grifith理论,为了粉碎材料,必须为裂纹扩散提供足够的能量,外力必须大于材料的内应力。因此,对于空气破碎,入口压力的增加意味着射流空气驱动物料流量和动能的增加。当物质相互碰撞时,它们的力增大,碰撞能量也增大,单位时间内物质粒子的碰撞概率增大。粒子碰撞概率的增加导致粒子运动的复杂性和裂纹位置的增加。这导致裂纹快速增长和晶粒快速细化。对于其它轧机,在一定的操作条件下,对物料的外力变化不大。然而,随着破碎时间的延长,给予材料的能量增加,颗粒的裂纹增加,总长度增加,颗粒不断微细化。
超微粉碎机厂家
  Mechanical crushing is mainly crack crushing and realizing crushing. According to Grifith theory, in order to crush materials, sufficient energy must be provided for crack propagation, and the external force must be greater than the internal stress of materials. Therefore, for air fragmentation, the increase of inlet pressure means the increase of material flow and energy driven by jet air. When matter collides with each other, their force increases, collision energy increases, and collision probability of matter particles increases in unit time. The increase of particle collision probability leads to the increase of particle motion complexity and crack location. This leads to rapid crack growth and grain refinement. For other rolling mills, under certain operating conditions, the external force on the material does not change much. However, as the breaking time prolongs, the energy given to the material increases, the cracks and total length of the particles increase, and the particles continue to fine.
  2.松装密度、振实密度与平均粒径关系的分析与研究。
  2. Analysis and Research on the relationship between bulk density, compacting density and average particle size.
  松散填料密度与振固密度、平均粒径之间的关系分析研究,随着粒径的减小,粉末的松散填料密度和振固密度均减小。粉末的容重是粉末自由积累的定量表现,是颗粒团聚的数值表征。粉末的振动密度是颗粒致密性和高能团聚程度的定量表征。从上面可以看出,随着粒径的减小,颗粒的均匀性也随之减小,颗粒的尺寸也变小。粗颗粒和宽分布有利于致密颗粒堆积,减少颗粒团聚。颗粒细小,分布窄,有利于颗粒松散堆积和团聚。粗颗粒的表面能较低,小颗粒的表面能较高。粗颗粒的重量较大,小颗粒的重量较轻。宽分布的储集层是交叉插层的,窄分布的储集层是层状的。
  The relationship between density of loose filler and vibration density and average particle size was analyzed. With the decrease of particle size, density of loose filler and vibration density of powder decreased. The bulk density of powder is the quantitative expression of free accumulation of powder and the numerical characterization of particle agglomeration. Vibration density of powders is a quantitative characterization of particle compactness and high energy agglomeration. From the above, it can be seen that with the decrease of particle size, the uniformity of particles decreases, and the size of particles decreases. Coarse particles and wide distribution are conducive to compact particle accumulation and reduce particle agglomeration. The particles are fine and narrowly distributed, which is conducive to loose accumulation and agglomeration of particles. The surface energy of coarse particles is lower than that of small particles. The weight of coarse particles is larger than that of small ones. Wide-distributed reservoirs are intercalated and narrow-distributed reservoirs are layered.
  以上内容是对“超微粉碎机厂家:超微粉碎粉体的粉体特性”相关介绍,想要了解更多内容,欢迎访问网站:The above contents are related to "Superfine Crusher Manufacturer: Powder Characteristics of Superfine Crusher". For more information, please visit the website: .
 

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