Adaptive Dilation Attention and Disentangled Mixture‐of‐Experts for Hot Metal Silicon Prediction in Blast Furnace Ironmaking Process

Accurate prediction of hot metal silicon content is essential for stable and efficient blast furnace operations. However, this task presents significant challenges due to the nonlinear and multiscale dynamics of the smelting process and frequent sensor noise. To address these issues, this paper proposes an Adaptive Dilation Mixture‐of‐Experts (AD‐MoE) framework for silicon content prediction in the blast furnace ironmaking process. The model integrates adaptive dilation attention and a disentangled mixture‐of‐experts encoder to capture multiscale temporal dependencies, while a lightweight temporal smoothing strategy enhances stability against measurement fluctuations. The proposed framework is evaluated using mean squared error, mean absolute error, and multilevel hit rates within ±0.1%, ±0.05%, and ±0.03% tolerance intervals. Results on real blast furnace data show that AD‐MoE achieves superior accuracy and higher hit rate compared with several state‐of‐the‐art deep learning models, demonstrating its strong potential for industrial deployment.

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Publication Details

Journal
steel research international
Published
2026-03-13
DOI
https://doi.org/10.1002/srin.202501278
Primary Topic
Iron and Steelmaking Processes
Type
article
Field-Weighted Citation Impact
0.00
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article

Adaptive Dilation Attention and Disentangled Mixture‐of‐Experts for Hot Metal Silicon Prediction in Blast Furnace Ironmaking Process

Danyi Wang, Lei Li, Ziyi Zheng, Xiaoya Wang
steel research international
Iron and Steelmaking Processes
article

Adaptive Dilation Attention and Disentangled Mixture‐of‐Experts for Hot Metal Silicon Prediction in Blast Furnace Ironmaking Process

Danyi Wang, Lei Li, Ziyi Zheng, Xiaoya Wang
article en

Abstract

Accurate prediction of hot metal silicon content is essential for stable and efficient blast furnace operations. However, this task presents significant challenges due to the nonlinear and multiscale dynamics of the smelting process and frequent sensor noise. To address these issues, this paper proposes an Adaptive Dilation Mixture‐of‐Experts (AD‐MoE) framework for silicon content prediction in the blast furnace ironmaking process. The model integrates adaptive dilation attention and a disentangled mixture‐of‐experts encoder to capture multiscale temporal dependencies, while a lightweight temporal smoothing strategy enhances stability against measurement fluctuations. The proposed framework is evaluated using mean squared error, mean absolute error, and multilevel hit rates within ±0.1%, ±0.05%, and ±0.03% tolerance intervals. Results on real blast furnace data show that AD‐MoE achieves superior accuracy and higher hit rate compared with several state‐of‐the‐art deep learning models, demonstrating its strong potential for industrial deployment.

steel research international
Zhejiang Normal University (CN), University of California, Santa Barbara (US), Chongqing University (CN)
Industry, innovation and infrastructure
Openalex Percentile: Top 24%
Iron and Steelmaking Processes
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