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The blast furnaceBlast furnace is the core equipment in the ironmaking processProcess, with its hearth, the critical bottom section, typically determining the overall campaign life of the furnace. This study employs a digital twinDigital twin model, coupling flow and heat transfer models for computational analysis to assess hearth erosion trends, thereby enabling smart operation and maintenance. Production practices demonstrate that air gaps are the primary destroyer of the hearth lining. Promptly identifying and addressing these through modeling, and establishing effective thermal conduction systems, are key to achieving long campaignLong campaign life and sustainabilitySustainability in blast furnace hearthsBlast furnace hearth.

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Modeling, Design, and Operation Maintenance for Long Campaign Life Blast Furnace Hearth

  • 会议论文

  • 发表日期：

    2026年

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  • Zhizheng Wang,
  • Fuming Zhang,
  • Wei Hu,
  • Lin Zhang,
  • Xiangfeng Cheng,
  • Naiyao Li,
  • Jiran Lan

摘要

The blast furnaceBlast furnace is the core equipment in the ironmaking processProcess, with its hearth, the critical bottom section, typically determining the overall campaign life of the furnace. This study employs a digital twinDigital twin model, coupling flow and heat transfer models for computational analysis to assess hearth erosion trends, thereby enabling smart operation and maintenance. Production practices demonstrate that air gaps are the primary destroyer of the hearth lining. Promptly identifying and addressing these through modeling, and establishing effective thermal conduction systems, are key to achieving long campaignLong campaign life and sustainabilitySustainability in blast furnace hearthsBlast furnace hearth.