Indicators of the Internal State of the Blast Furnace Hearth

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概要

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• The hearth is a crucial region of the blast furnace, since the life of its refractory may be decisive for the campaign length of the furnace. Excessive growth of skull on the hearth wall and bottom, in turn, reduces the inner volume of the hearth, causes drainage and other problems that limit productivity, and has a negative effect on hot metal temperature and chemistry. A set of indicators that reflect the internal state of the hearth has been developed. The motivation for the indicators is outlined and their application to hearth state detection is illustrated with several examples from the operation of two Finnish blast furnaces.

• 社団法人 日本鉄鋼協会の論文
• 2002-05-15

著者

• Waller Matias

  Heat Engineering Laboratory Abo Akademi University

• Saxen Henrik

  Heat Engineering Laboratory Abo Akademi University

• TORRKULLA Jan

  Formerly at Heat Engineering Laboratory, Abo Akademi University

• BRANNBACKA Johnny

  Formerly at Heat Engineering Laboratory, Abo Akademi

• Brannbacka Johnny

  Formerly At Heat Engineering Laboratory Abo Akademi

• Torrkulla Jan

  Formerly At Heat Engineering Laboratory Abo Akademi University

関連論文

• Identification of the Combustion Degree of Oil in the Blast Furnace Tuyeres
• Application of Nonlinear Time Series Analysis to the Prediction of Silicon Content of Pig Iron
• Assessment of the State of the Blast Furnace High Temperature Region by Tuyere Core Drilling
• Mathematical Optimization of Ironmaking with Biomass as Auxiliary Reductant in the Blast Furnace
• Nonlinear Prediction of the Hot Metal Silicon Content in the Blast Furnace
• Indicators of the Internal State of the Blast Furnace Hearth
• Model of the State of the Blast Furnace Hearth
• Neural Network Model of Burden Layer Formation Dynamics in the Blast Furnace
• Model Analysis of the Operation of the Blast Furnace Hearth with a Sitting and Floating Dead Man
• Prediction of a Blast Furnace Burden Distribution Variable
• Modeling the Liquid Levels in the Blast Furnace Hearth
• On-line Estimation of the Ore-to-coke Ratio in the Blast Furnace Center

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