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Even though plasmaPlasma technology has multiple fully commercialized application areas in an industrial setting, usage of a plasmaPlasma torch heaters for the melting of aluminiumAluminium in casthousesCasthouse is a relatively novel idea. The use of plasmaPlasma burner fits well within the decarbonizationDecarbonization framework of the casthousesCasthouse, a recurrent and important theme not just at Norsk Hydro but for many other companies in the aluminiumAluminium industryIndustry. PlasmaPlasma torches do not emit carbonCarbon dioxide at the point of use, unlike natural gas burners currently used in casthousesCasthouse, and potentially offer a clean energy source to melt solid aluminiumAluminium and hold the liquid aluminiumAluminium in furnacesFurnace. This novelty, however, brings forth several challenges and risks. Before the scheduled installation of a plasmaPlasma burner as a pilot project in Sunndal Reference Center in the beginning of 2026, lab-scale trials were conducted at Tetronics Technologies Ltd in Swindon, UK during week 23, 2024. The purposes of the trials were to understand the technology better, identify potential risks, and come up with mitigating solutions. In this article, we summarize the simulationSimulation model developed by the Research and Technology Division, Sunndalsøra to complement the laboratory trials. We make a comparison of the experimental and simulationSimulation data and show that the model predicts the trends from the experiment reasonably well. However, deviations were observed which are discussed and we try to provide possible reasons for the aberration.

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Development of Numerical Model of Plasma Burner for Primary Aluminium Casthouses

  • 会议论文

  • 发表日期：

    2025年

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  • Akash Pakanati,
  • Knut Omdal Tveito,
  • Eirik Manger,
  • Martin Lorentzon

摘要

Even though plasmaPlasma technology has multiple fully commercialized application areas in an industrial setting, usage of a plasmaPlasma torch heaters for the melting of aluminiumAluminium in casthousesCasthouse is a relatively novel idea. The use of plasmaPlasma burner fits well within the decarbonizationDecarbonization framework of the casthousesCasthouse, a recurrent and important theme not just at Norsk Hydro but for many other companies in the aluminiumAluminium industryIndustry. PlasmaPlasma torches do not emit carbonCarbon dioxide at the point of use, unlike natural gas burners currently used in casthousesCasthouse, and potentially offer a clean energy source to melt solid aluminiumAluminium and hold the liquid aluminiumAluminium in furnacesFurnace. This novelty, however, brings forth several challenges and risks. Before the scheduled installation of a plasmaPlasma burner as a pilot project in Sunndal Reference Center in the beginning of 2026, lab-scale trials were conducted at Tetronics Technologies Ltd in Swindon, UK during week 23, 2024. The purposes of the trials were to understand the technology better, identify potential risks, and come up with mitigating solutions. In this article, we summarize the simulationSimulation model developed by the Research and Technology Division, Sunndalsøra to complement the laboratory trials. We make a comparison of the experimental and simulationSimulation data and show that the model predicts the trends from the experiment reasonably well. However, deviations were observed which are discussed and we try to provide possible reasons for the aberration.