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Use of On-Belt Analysers for Improved Process Control of Conveyed Materials

机译:在皮带上的使用进行了改进的输送材料过程控制

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The paper outlines the successful application of some of the on-belt technologies available from Scantech International Pty Ltd and how these have provided benefits in a number of mining and mineral processing operations. Effective process control requires real time analysis so quality can be fed back to the previous process and fed forward to a subsequent process. A range of on-belt analysers that allows for full stream, continuous, non-contact analysis of conveyed materials is available to achieve this. Real time results can provide timely information for effective process control. Benefits of on-belt analysis systems become more evident once the true variability of material quality and moisture content in conveyed flows is measured. To obtain economies of scale in mineral processing operations large material flows are achieved using conveyors. The cost and effort to sample representatively increases as conveyor flows increase. One sample may represent a few tonnes or up to 10,000 tonnes of material. The turnaround time between sampling and availability of sample analysis data does not allow real time process control. Tonnage flow rate, moisture content and elemental or mineralogical composition are required to perform effective process control of most conveyed streams. Tonnages can be effectively measured using belt weighers. The analyses derived from small samples supplied by conveyor-based sampling systems contain high variability. On-belt, continuous analysers see all the material and, through short term compositing of analyses, supply less variable results. Real time analysis helps operators develop a better understanding of material variability. Analysers can be effectively utilised to improve the consistency of product quality through bulk sorting and blending control. Many existing users of the technologies have gained competitive advantages through their ability to supply a more consistent quality product to the market.
机译:本文概述了Scantech International Pty Ltd提供的一些带有型电影技术的应用以及这些矿产和矿产处理操作中的利益。有效的过程控制需要实时分析,因此质量可以反馈给上一个过程并将前进的过程中加入后续过程。一系列允许完整的流,连续,输送材料的连续,不接触分析的一系列带式分析仪可用于实现这一目标。实时结果可以及时提供有效过程控制的信息。一旦测量了输送流量中的材料质量和水分含量的真正可变性,皮带分析系统的益处变得更加明显。为了获得矿物加工操作中规模经济,使用输送机实现大物流。当输送机流量增加时,样品的成本和努力增加增加。一个样品可表示几吨或高达10,000吨的材料。采样和样本分析数据的可用性之间的周转时间不允许实时过程控制。吨位流速,水分含量和元素或元素或矿物学组合物是对大多数传达的流的有效过程控制。可以使用带秤仪有效地测量吨位。从输送机的采样系统提供的小样本衍生的分析包含高可变性。在皮带上,连续分析仪查看所有材料,并通过短期合成分析,供应较少的可变结果。实时分析有助于运营商能够更好地了解物质变异性。可以有效地利用分析仪来提高产品质量通过散装分选和混合控制的一致性。这些技术的许多现有用户通过他们向市场提供更加一致的优质产品的能力获得了竞争优势。

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