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Using a self-developed RH snorkelRH snorkel slag adhesion simulationSimulation device, simulationSimulation experiments were conducted on the slag adhesion behavior of high-carbon steelSteel RH refining slagRefining slag from a steelSteel plant. The effects of refining slagRefining slag composition and propertiesProperties on snorkel slag adhesion were investigated through a combination of high-temperatureTemperature thermophysical propertyProperties measurements and thermodynamicThermodynamic calculations performed with Fact sage 8.1. Measures to mitigate slag adhesion were also explored. The composition and propertiesProperties of the refining slagRefining slag were optimized by appropriately increasing the basicity and Mannesmann index, reducing the melting temperatureTemperature and viscosityViscosity, and minimizing the precipitationPrecipitation of high-melting-point compounds. Industrial applicationIndustrial application demonstrated that the optimized RH refining slagRefining slag developed in this study effectively reduced slag adhesion on the snorkel during the RH refining processProcess, resulting in a 25% increase in the service life of the snorkel.

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Research on the Reduction of Slag Adhesion Behavior on Snorkels During the RH Refining Process

  • 会议论文

  • 发表日期：

    2026年

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  • Aoshun Yuan,
  • Wenshuai Wang,
  • Fushen Li,
  • Yu Wang,
  • Tengfei Wang,
  • Xiaoping Liang

摘要

Using a self-developed RH snorkelRH snorkel slag adhesion simulationSimulation device, simulationSimulation experiments were conducted on the slag adhesion behavior of high-carbon steelSteel RH refining slagRefining slag from a steelSteel plant. The effects of refining slagRefining slag composition and propertiesProperties on snorkel slag adhesion were investigated through a combination of high-temperatureTemperature thermophysical propertyProperties measurements and thermodynamicThermodynamic calculations performed with Fact sage 8.1. Measures to mitigate slag adhesion were also explored. The composition and propertiesProperties of the refining slagRefining slag were optimized by appropriately increasing the basicity and Mannesmann index, reducing the melting temperatureTemperature and viscosityViscosity, and minimizing the precipitationPrecipitation of high-melting-point compounds. Industrial applicationIndustrial application demonstrated that the optimized RH refining slagRefining slag developed in this study effectively reduced slag adhesion on the snorkel during the RH refining processProcess, resulting in a 25% increase in the service life of the snorkel.