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首页> 外文期刊>World Journal of Mechanics >Investigation of the Fragmentation Process of Clods in a Rod Mill Developed for Research Use
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Investigation of the Fragmentation Process of Clods in a Rod Mill Developed for Research Use

机译：为研究目的开发的棒磨机中凝块破碎过程的研究

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We developed a planetary-type rod mill that can improve the comminution working efficiency, prevent the generation of soil dust, and make it easy to clean the used jars. Clods are broken by this device into fine-grained soil particles with sizes of less than 2 mm in diameter within 2 min. One objective of this study is to evaluate the performance of the mill by observing the fragmentation process of the clods. The process is visualized experimentally via a high-speed camera installed on a rotating jar of the device. The breakage of the clods in the rod mill is considered morphologically according to the crushing patterns obtained by previous studies. The rod moves together with the clods in the jar. Therefore, violent collisions are not thought to be a major reason for the breakage of the clods. The surfaces of the clods are first scraped and then appear to become fragile. However, if there are no rods in the jar, the clods never break into small pieces. Therefore, it is likely that collisions with the rod trigger the catastrophic fragmentation of the clods into small pieces. This suggests that the design of the device could be modified to improve its performance in the near future.
机译：我们开发了一种行星式棒磨机，可以提高粉碎工作效率，防止产生土壤粉尘，并易于清洁用过的广口瓶。该设备将血块在2分钟内破碎成直径小于2毫米的细颗粒土壤颗粒。这项研究的一个目标是通过观察土块的破碎过程来评估工厂的性能。通过安装在设备旋转罐上的高速摄像头，可以通过实验将过程可视化。根据先前研究获得的破碎模式，从形态上考虑了棒磨机中凝块的破裂。杆与罐中的血块一起移动。因此，剧烈的碰撞不被认为是血块破裂的主要原因。土块的表面首先被刮擦，然后显得脆弱。但是，如果罐子中没有杆，则土块永远不会破碎成小块。因此，与杆的碰撞可能会触发血块的灾难性破碎，使其破碎成小块。这表明可以在不久的将来修改设备的设计以提高其性能。

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