期刊
BOLETIN DE LA SOCIEDAD ESPANOLA DE CERAMICA Y VIDRIO
卷 58, 期 4, 页码 178-188出版社
ELSEVIER
DOI: 10.1016/j.bsecv.2018.12.001
关键词
Refractory; Magnesia-chromite; Submerged Arc Furnace; Post-mortem; Gas
资金
- Atlantic Copper S.L.U
This work is a post-mortem study of the magnesia-chromite refractory lining of the gas area of a Submerged Arc Furnace (SAF) used for slag-cleaning at the Atlantic Copper Smelter (Spain) after a six-year working campaign. A Scanning Electron Microscope (SEM) equipped with an Energy Dispersive Spectroscopy (ESEM-EDS) system was used to identify the phases and for chemical analysis. Almost nothing on Submerged Arc Furnace operations in the copper-making industry is found in literature, and none has focused on the interactions of the magnesia-chromite refractory used in the area in contact with gases. In this work, refractory brick samples were collected from the gas area of a Submerged Arc Furnace that processed fayalitic slag after a six-year campaign.These bricks had been penetrated by gases. Lead and zinc from the gases were found on the hot face of the refractory. The post-mortem analysis was supported by thermochemical calculations using FactSage (R) databases. (C) 2018 SECV. Published by Elsevier Espana, S.L.U.
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