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Simulation study on heat transfer behavior of blast furnace cast iron cooling stave after damage.

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Title: Simulation study on heat transfer behavior of blast furnace cast iron cooling stave after damage.
Authors: Zhao, Yuehan1 (AUTHOR) zyuehan1215@163.com, Yan, Bingji1,2 (AUTHOR) bjyan@suda.edu.cn, Wang, Jianfeng2 (AUTHOR) 751224740@qq.com, Luo, Guoping1 (AUTHOR) luoguoping3@126.com, Guo, Hongwei2 (AUTHOR) guohongwei@suda.edu.cn
Source: Chemical Engineering Science. Jun2026, Vol. 327, pN.PAG-N.PAG. 1p.
Subjects: Heat transfer, Stress concentration, Temperature distribution, Erosion, Heat exchanger efficiency, Blast furnaces, Finite element method
Abstract: • Development of a Physical Model for Post-Damaged Cast Iron Cooling staves. • Decline in Cooling Efficiency with Increasing Damage Severity. • Correlation Between Temperature-Stress Distribution and Damage Evolution. As a critical component of the blast furnace cooling system, the life and performance of the cooling stave directly affect the stability and safety of the blast furnace. Among these, cast iron cooling staves have good wear resistance characteristics, due to their weak thermal conductivity, they have lower cooling efficiency. The internal materials and gas flow in the blast furnace, along with thermal shock, can easily cause damage to the cooling stave, further weakening its cooling effect. This paper establishes physical models of cast iron cooling staves in three states: undamaged, cracked, and with exposed water pipes, and compares the impact of different degrees of damage on the temperature and stress field distribution characteristics using finite element analysis methods. The research results show that the initial stage of damage is characterized by wall cracking with the thinning of the dovetail groove the furnace shell temperature rises the temperature difference of cooling water increases the cooling efficiency gradually deteriorates and the stress concentration in the cracks intensifies when developing to the state of exposed water pipes the cooling efficiency drops sharply the area around the exposed water pipes becomes a new stress concentration zone which accelerates wall spalling and water pipe erosion while refractory mud filling can only alleviate thermal shock in the short term it is difficult to completely solve the problems of insufficient cooling efficiency and long-term structural damage and the research conclusions can provide a basis for the design optimization and service life prediction of cast iron cooling staves. [ABSTRACT FROM AUTHOR]
Copyright of Chemical Engineering Science is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 192228211
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Simulation study on heat transfer behavior of blast furnace cast iron cooling stave after damage.
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Zhao%2C+Yuehan%22">Zhao, Yuehan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> zyuehan1215@163.com</i><br /><searchLink fieldCode="AR" term="%22Yan%2C+Bingji%22">Yan, Bingji</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> bjyan@suda.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Wang%2C+Jianfeng%22">Wang, Jianfeng</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> 751224740@qq.com</i><br /><searchLink fieldCode="AR" term="%22Luo%2C+Guoping%22">Luo, Guoping</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> luoguoping3@126.com</i><br /><searchLink fieldCode="AR" term="%22Guo%2C+Hongwei%22">Guo, Hongwei</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> guohongwei@suda.edu.cn</i>
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  Label: Source
  Group: Src
  Data: <searchLink fieldCode="JN" term="%22Chemical+Engineering+Science%22">Chemical Engineering Science</searchLink>. Jun2026, Vol. 327, pN.PAG-N.PAG. 1p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Heat+transfer%22">Heat transfer</searchLink><br /><searchLink fieldCode="DE" term="%22Stress+concentration%22">Stress concentration</searchLink><br /><searchLink fieldCode="DE" term="%22Temperature+distribution%22">Temperature distribution</searchLink><br /><searchLink fieldCode="DE" term="%22Erosion%22">Erosion</searchLink><br /><searchLink fieldCode="DE" term="%22Heat+exchanger+efficiency%22">Heat exchanger efficiency</searchLink><br /><searchLink fieldCode="DE" term="%22Blast+furnaces%22">Blast furnaces</searchLink><br /><searchLink fieldCode="DE" term="%22Finite+element+method%22">Finite element method</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: • Development of a Physical Model for Post-Damaged Cast Iron Cooling staves. • Decline in Cooling Efficiency with Increasing Damage Severity. • Correlation Between Temperature-Stress Distribution and Damage Evolution. As a critical component of the blast furnace cooling system, the life and performance of the cooling stave directly affect the stability and safety of the blast furnace. Among these, cast iron cooling staves have good wear resistance characteristics, due to their weak thermal conductivity, they have lower cooling efficiency. The internal materials and gas flow in the blast furnace, along with thermal shock, can easily cause damage to the cooling stave, further weakening its cooling effect. This paper establishes physical models of cast iron cooling staves in three states: undamaged, cracked, and with exposed water pipes, and compares the impact of different degrees of damage on the temperature and stress field distribution characteristics using finite element analysis methods. The research results show that the initial stage of damage is characterized by wall cracking with the thinning of the dovetail groove the furnace shell temperature rises the temperature difference of cooling water increases the cooling efficiency gradually deteriorates and the stress concentration in the cracks intensifies when developing to the state of exposed water pipes the cooling efficiency drops sharply the area around the exposed water pipes becomes a new stress concentration zone which accelerates wall spalling and water pipe erosion while refractory mud filling can only alleviate thermal shock in the short term it is difficult to completely solve the problems of insufficient cooling efficiency and long-term structural damage and the research conclusions can provide a basis for the design optimization and service life prediction of cast iron cooling staves. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Chemical Engineering Science is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1016/j.ces.2026.123618
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 1
        StartPage: N.PAG
    Subjects:
      – SubjectFull: Heat transfer
        Type: general
      – SubjectFull: Stress concentration
        Type: general
      – SubjectFull: Temperature distribution
        Type: general
      – SubjectFull: Erosion
        Type: general
      – SubjectFull: Heat exchanger efficiency
        Type: general
      – SubjectFull: Blast furnaces
        Type: general
      – SubjectFull: Finite element method
        Type: general
    Titles:
      – TitleFull: Simulation study on heat transfer behavior of blast furnace cast iron cooling stave after damage.
        Type: main
  BibRelationships:
    HasContributorRelationships:
      – PersonEntity:
          Name:
            NameFull: Zhao, Yuehan
      – PersonEntity:
          Name:
            NameFull: Yan, Bingji
      – PersonEntity:
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            NameFull: Wang, Jianfeng
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            NameFull: Luo, Guoping
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            NameFull: Guo, Hongwei
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          Dates:
            – D: 01
              M: 06
              Text: Jun2026
              Type: published
              Y: 2026
          Identifiers:
            – Type: issn-print
              Value: 00092509
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            – Type: volume
              Value: 327
          Titles:
            – TitleFull: Chemical Engineering Science
              Type: main
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