Continuous measurement of ferrous sinter size distributions using an optical sensor system

IF 1.7 3区材料科学 Q2 METALLURGY & METALLURGICAL ENGINEERING

Ironmaking & Steelmaking Pub Date : 2023-05-18 DOI:10.1080/03019233.2023.2208979

Mike Holliday, Yufeng Lai, M. Hobbs, Nick Boone, Tariq Al-Haji, Iain Scott, Jon Willmott

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引用次数: 0

Abstract

ABSTRACT The size distribution of iron ore sinter is critical to efficient blast furnace operation and is an optimised variable in sinter plants globally. Prompt process control response to discrepancies in sinter size is essential, and the standard sieve measurement test introduces significant delay in data acquisition. We introduce a networked optical sensor system that is shown to accurately measure size distribution within 5 s, collect data continuously at 0.5 Hz, and is well correlated to sieving measurements. This system is deployed at the end of a sinter plant, providing real-time process control data with digital image analysis performed on an integrated microprocessor. The systems performance was assessed with a 12-week validation period, showing excellent correlation with sieve data. Systems such as ours can be widely implemented in sinter plants, and in similar steelmaking applications, due to its cost-effective implementation of continuous data acquisition and the systems versatility to be adapted.

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用光学传感器系统连续测量铁烧结矿粒度分布

摘要铁矿石烧结矿的粒度分布对高炉的高效运行至关重要，也是全球烧结厂的优化变量。对烧结矿尺寸差异做出及时的过程控制响应是至关重要的，而标准筛测量测试在数据采集方面引入了显著的延迟。我们介绍了一种联网的光学传感器系统，该系统可在5秒内准确测量尺寸分布，在0.5 Hz下连续收集数据，并与筛分测量结果良好相关。该系统部署在烧结厂的末端，提供实时过程控制数据，并在集成微处理器上进行数字图像分析。系统性能在12周的验证期内进行了评估，显示出与筛网数据的良好相关性。像我们这样的系统可以在烧结厂和类似的炼钢应用中广泛实施，因为它具有成本效益高的连续数据采集实施方式和可调整的系统多功能性。

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来源期刊

Ironmaking & Steelmaking 工程技术-冶金工程

CiteScore

3.70

自引率

9.50%

发文量

125

审稿时长

2.9 months

期刊介绍： Ironmaking & Steelmaking: Processes, Products and Applications monitors international technological advances in the industry with a strong element of engineering and product related material. First class refereed papers from the international iron and steel community cover all stages of the process, from ironmaking and its attendant technologies, through casting and steelmaking, to rolling, forming and delivery of the product, including monitoring, quality assurance and environmental issues. The journal also carries research profiles, features on technological and industry developments and expert reviews on major conferences.