The composition analysis system of tin-rich slag in tin smelting sampling rods is developed based on laser induced breakdown spectroscopy.Rapid and accurate detection of the rich slag samples from top-blown furnaces has been achieved by uniformity evaluation of sample,comparison of different schemes,and a large amount of data collection.Through the optimization of a dual-model system,the lag problem in the traditional detection method has been addressed to improve detection efficiency.The study adopts a system consisting of industrial probes,control and analysis cabinets,equipped with the Venus Intelligent Control GS-LIBS2200Y Laser Composition Analyzer to achieve on-line accurate detection of Fe,Si,Ca and other major elements in tin-rich slag.The results show that the system performs well in the application of smelting plant,provides real-time and reliable guidance for adjusting process parameters in the Ausmelt furnace production,reducing overall energy consumption,enhancing the competitiveness of the enterprise,and resulting in significant economic benefits.
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