Servicios Personalizados
Articulo
Indicadores
Links relacionados
- Citado por Google
- Similares en Google
Compartir
Journal of the Southern African Institute of Mining and Metallurgy
versión On-line ISSN 2411-9717
versión impresa ISSN 2225-6253
Resumen
PISTORIUS, PC.. Slag carry-over and the production of clean steel. J. S. Afr. Inst. Min. Metall. [online]. 2019, vol.119, n.6, pp.557-561. ISSN 2411-9717. http://dx.doi.org/10.17159/2411-9717/kn01/2019.
For effective steel refining in the ladle (secondary steelmaking) the amount of steelmaking slag that is transferred from primary steelmaking must be limited, because the steelmaking slag contains iron oxide, manganese oxide, and phosphorus oxide. Adverse effects of slag carry-over include increased consumption of deoxidizers, phosphorus pick-up by the steel, and increased ladle refractory wear. Infrared imaging at longer wavelengths is an effective non-contact method to detect slag in the tapping stream. Various devices are used to shut off the tapping stream rapidly. These include slag darts, pneumatic slag stoppers, and slide gates for steelmaking converters, and eccentric bottom tapping for electric arc furnaces.
Palabras clave : steelmaking; phosphorus; slag carry-over.