Visualization of hearth status based on big data technology

doi:10.13228/j.boyuan.issn0449-749x.20200536

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Iron and Steel ›› 2021, Vol. 56 ›› Issue (7) : 38-46. DOI: 10.13228/j.boyuan.issn0449-749x.20200536

Raw Material and Ironmaking

Visualization of hearth status based on big data technology

ZHANG Wei-yang¹, LIU Xiao-jie², LI Hong-yang², BU Xiang-ping³, CHENG Xiang-wen¹, LÜ Qing²

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Abstract

In order to better monitor the change of the working state of the hearth, a visualization system of the hearth state of the blast furnace was established to simulate the historical trend and real-time monitoring of the hearth thermocouple temperature, heat flux intensity, and hearth activity. The data of the related parameters of a blast furnace were collected, and the rough outliers were treated by the Pauta criterion and the blank values were filled by the linear interpolation method. The thermocouple temperature and heat flux intensity were monitored and calculated in different regions, and the erosion of the hearth bottom was analyzed. The coke quality, slag iron composition, and operating parameters were taken as input variables, and a quantitative model of hearth activity incorporating big data technology was proposed. Big data technology provides new ideas for the development of the iron and steel industry and further promotes the intelligent ironmaking of blast furnaces.

Key words

hearth / visualization system / thermocouple temperature / heat flow strength / activity of hearth

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ZHANG Wei-yang, LIU Xiao-jie, LI Hong-yang, BU Xiang-ping, CHENG Xiang-wen, LÜ Qing. Visualization of hearth status based on big data technology[J]. Iron and Steel, 2021, 56(7): 38-46 https://doi.org/10.13228/j.boyuan.issn0449-749x.20200536

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