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首页> 外文会议>Proceedings of the 3rd Pan American materials congress >Preliminary Analysis of the Application of Sensor Based Sorting on a Limestone Mine in the Region Cacapava do Sul, Brazil
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Preliminary Analysis of the Application of Sensor Based Sorting on a Limestone Mine in the Region Cacapava do Sul, Brazil

机译：基于传感器的排序在巴西Cacapava do Sul地区的石灰岩矿中的应用初步分析

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This work seeks to evaluate the effect of the sorting of calcium/magnesium carbonates (limestone ores) through the use of X-ray and CCD camera sensors. Collection of the 17 samples used for this study was performed after primary crushing at a size range between 76 and 152 mm (3-6"). This work seeks to evaluate the effect of the sorting of calcium/magnesium carbonates (limestone ores) through the use of X-ray and CCD camera sensors. Collection of the 17 samples used for this study was performed after primary crushing at a size range between 76 and 152 mm (3-6"). Sampling was intended to represent all of the possible variations of the ore and waste currently being extracted. For initial characterization, samples were washed and subjected to analysis by a handheld X-ray fluorescence spectrometer. Sensor based sorting tests were performed at the Federal University of Rio Grande do Sul (UFRGS) using a COMEX lab sorter. The lab sorter is comprised of a conveyor belt, mounted sensors, a data processing system, and a pneumatic flap system for the physical separation of the samples. Results of the X-ray separation showed that of the 12.2 kg of samples, 10.5 kg were sorted into product and only 1.7 kg were separated as waste. However, within the waste fraction, only 54.5% was considered waste, and likewise 7% of the product fraction was considered waste. When using the CCD camera, 100% of the ore fraction and 100% of the waste fractions were considered to be sorted correctly. While it is important to note that this is only a preliminary study analyzing the viability of implementation of the automatic sorting system, these preliminary results obtained with the use of both sensors were considered satisfactory.
机译：这项工作旨在通过使用X射线和CCD相机传感器评估碳酸钙/碳酸镁（石灰石矿石）分类的效果。在初步破碎后，收集了用于该研究的17个样品，破碎范围为76至152毫米（3-6英寸）。该工作旨在评估通过钙/碳酸镁（石灰石矿石）分选的效果。 X射线和CCD相机传感器的使用。本次研究使用的17个样品的收集是在初次压碎后进行的，尺寸在76至152毫米（3-6“）之间。采样旨在代表当前正在开采的矿石和废物的所有可能变化。为了进行初始表征，将样品洗涤并通过手持式X射线荧光光谱仪进行分析。使用COMEX实验室分选机在南里奥格兰德州联邦大学（UFRGS）进行了基于传感器的分选测试。实验室分选机由传送带，已安装的传感器，数据处理系统和用于物理分离样品的气动挡板系统组成。 X射线分离的结果表明，在12.2kg的样品中，将10.5kg分类为产品，仅1.7kg作为废物被分离。但是，在废物部分中，仅54.5％被视为废物，同样，产品部分的7％被视为废物。当使用CCD摄像机时，认为100％的矿石部分和100％的废物部分已正确分类。重要的是要注意，这只是一个初步研究，分析了自动分拣系统实施的可行性，但使用两个传感器获得的这些初步结果被认为是令人满意的。

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