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首页> 外文会议>Copper and Nickel / Extractive Metallurgy; Light Metals / Extractive Metallurgy >Measuring ― Modelling: Understanding the Al scrap melting processes inside a rotary furnace
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Measuring ― Modelling: Understanding the Al scrap melting processes inside a rotary furnace

机译：测量―建模：了解旋转炉内部的Al废料熔化过程

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Karl Konzelmann Mctallschmelzwerke GmbH and the Institute of Resources Engineering of Delft University of Technology agreed upon a joint measuring and modelling program for a standard-type rotary furnace. The fundamental processes inside rotary furnaces as a function of various operating parameters are in fact widely unknown yet. For example the economically decisive metal yield is predominantly controlled by the metal burn-off rate inside the furnace. However, this burn-off rate is neither measurable nor deduciblc from data so far routinely recorded at refiner plant operations. An aluminium refiner is rather interested in a feed forward control than in a retrospective explanation of past metallurgical errors. Therefore an extensive measuring program has been carried out at Konzelmann's plant in Hannover during which meaningful data were registered or recorded and then methodically evaluated by interconnected mass- and energy balances. The output of such combined computer model was compared with actual operating results. Essential parameters were altered until actual furnace and model results have been in acceptable conformity. As one final result burn-off rates specific for different scrap categories have been calculated from in total 26 furnace cycles.
机译：Karl Konzelmann Mctallschmelzwerke GmbH和代尔夫特工业大学资源工程研究所商定了标准旋转炉联合测量和建模程序。实际上，旋转炉内部作为各种操作参数的函数的基本过程尚未广为人知。例如，决定性的金属产量主要由炉内的金属燃尽速率控制。但是，这种燃尽率既无法测量，也无法根据迄今为止在炼油厂运行中常规记录的数据得出。铝精炼厂对前馈控制非常感兴趣，而不是对过去冶金错误的回顾性解释。因此，在汉诺威的Konzelmann工厂进行了广泛的测量程序，在此期间记录或记录了有意义的数据，然后通过相互联系的质量和能量平衡对方法进行了评估。将这种组合计算机模型的输出与实际操作结果进行比较。更改基本参数，直到实际的熔炉和模型结果达到可接受的一致性为止。作为一项最终结果，已根据总共26个炉周期计算出了针对不同废品类别的燃尽率。

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