矿物集料分选振动筛生产率的创新计算方法

IF 0.1 Q4 ENGINEERING, CIVIL Romanian Journal of Transport Infrastructure Pub Date : 2018-12-01 DOI:10.2478/rjti-2018-0008
Amelitta Legendi, Laurentiu Rece, Andreea Dora Bianca Pironea, V. Florescu
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引用次数: 2

摘要

摘要在制备水泥或沥青混凝土的过程中,有必要从污水沉积物或采石场中分离出多分散颗粒混合物。机械筛分通过称为筛分器的机器对尺寸分类的颗粒进行分离(分级颗粒的尺寸可以是1…70mm)。在振动筛的情况下,工作体(筛)呈现振动运动,确保筛分机的高生产率和获得的最终产品的非常好的质量。本文研究了振动筛在矿物骨料分选过程中通过不同方法获得的生产率。为此,提出了一个实用的简化公式Pragma,该公式在试验站的双质量振动筛上进行了现场试验,取得了良好的效果。
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Innovative Calculation Method of the Productivity of Vibrating Screens Used in Mineral Aggregates Sorting
Abstract In the process of preparing cement or asphalt concrete – frequently used in ways, roads and access road construction, it is necessary to sort out poly-dispersed granular mixtures from bilge deposits or quarries. The mechanical sieving performs the separation of the granules on dimensional sorts (the size of graded grains can be 1... 70 mm) by means of machines called screeners. In the case of vibrating screeners, the working body (the sieve) presents a vibratory movement that ensures a high productivity of the screening machine and a very good quality of the final products obtained. The article studies the productivity of the vibrating screen used in mineral aggregates sorting process obtained by different methods. In this regard, a pragmatic simplified formula called Pragma is proposed, a formula which was tested with good results in situ experiments done on a bi-mass vibrating screen in a pilot station.
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