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Erschienen in:
2016 | OriginalPaper | Buchkapitel
Hydro Aluminium’s Historical Evolution of Closed Type Anode Baking Furnace Technology
verfasst von : Michal Tkac, Anders Ruud, Inge Holden, Hogne Linga
Erschienen in: Light Metals 2013
Verlag: Springer International Publishing
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The paper summarizes the historical evolution of the closed anode baking furnace technology from the Riedhammer design to the Hydro Aluminium concept in the Norwegian carbon plants; Àrdal and Sunndal over the last 50 years.The increasing demand for higher production and larger anodes during the last 30 years has required Hydro Aluminium (HAL) to design a proprietary high capacity HAL baking furnace concept. Some major aspects and challenges connected to the rebuilding of the furnaces are described, including maximum utilisation of the existing factory space, allowing a low CAPEX per annual production capacity.Development of new repair and maintenance methods for critical refractory parts were essential in order to maintain a high anode quality and to extend the furnace service life.Main improvements related to the process control, process safety and performance data of the current technological status are presented.