FUINDAMENTALS DEVELOPMENT FOR COMPUTATION OF SCREW SCREENS FOR BULK MATERIAL SEPARATION AND EXPERIENCE OF THEIR INTRODUCTION TO PRODUCTION

Bulletin of Bryansk state technical university Pub Date : 2021-04-06 DOI:10.30987/1999-8775-2021-4-4-17

A. Sekisov, Evgeniya Belokur, G. Serga

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Abstract

The work purpose is to increase productivity in bulk material separation by means of the development of a test sample of the installation for bulk material separation into fractions. There is considered bulk material motion in a working chamber of the screw screen and the results of experimental investigations of bulk medium movement parameters are presented, depending on design and operation characteristics of screw screens, and also nomograms of dependences of a rate of bulk particle longitudinal movements upon a screw screen diameter, for different values of correction factors, weight of bulk particles, an angular velocity of the screw screen and fill factors. A design of the plant for bulk separation, test data and technical characteristics of the test plant are shown. A novelty is confirmed by six invention patents of the RF. By means of the complex method of investigations there are obtained dependences for definition of a rate of bulk particle longitudinal motion in screw screens, and also a length of working chamber of the screw screen.

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散装物料分离用螺旋筛计算的基本进展及应用于生产的经验

工作目的是通过开发用于散装物料分离成馏分的装置的测试样品来提高散装物料分离的生产率。考虑了物料在螺旋筛的工作室内的运动，给出了根据螺旋筛的设计和运行特性对物料运动参数的实验研究结果，并给出了物料纵向运动速率与螺旋筛直径、修正系数、物料重量、螺旋筛角速度和填充系数不同值的关系图。介绍了物料分离装置的设计方案、试验数据和试验装置的技术特点。射频的六项发明专利确认了其新颖性。通过复杂的研究方法，得到了体积颗粒在螺旋筛内的纵向运动速率和螺旋筛工作腔长度的定义依赖关系。

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Bulletin of Bryansk state technical university

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