{"id":9990,"date":"2021-08-20T06:16:46","date_gmt":"2021-08-20T06:16:46","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=9990"},"modified":"2021-08-20T06:16:46","modified_gmt":"2021-08-20T06:16:46","slug":"aluminum-fluxes-refining","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/aluminum-fluxes-refining\/","title":{"rendered":"Fundentes de aluminio para refinado"},"content":{"rendered":"

El m\u00e9todo de refinado con fundentes de aluminio tiene un buen efecto en la eliminaci\u00f3n de inclusiones no met\u00e1licas. El grado de purificaci\u00f3n que proporciona el fundente para eliminar las inclusiones no met\u00e1licas del ba\u00f1o fundido no solo est\u00e1 relacionado con las propiedades f\u00edsicas y qu\u00edmicas del fundente, sino que tambi\u00e9n depende en gran medida de las condiciones del proceso de refinado, tales como la cantidad de fundente, el tiempo de contacto entre el fundente y el ba\u00f1o fundido, el \u00e1rea de contacto, las condiciones de mezcla, la temperatura, etc.<\/p>\n

Para la refinaci\u00f3n de fundidos de aleaciones de aluminio se han desarrollado cientos de fundentes, siendo los m\u00e1s utilizados los fundentes clorados a base de sodio y potasio. En el caso de las aleaciones de aluminio con bajo contenido en magnesio, los fundentes clorados a base de sodio y potasio agentes refinadores<\/a> se utilizan ampliamente. En el caso de las aleaciones de aluminio con alto contenido en magnesio, para evitar la fragilidad por sodio, se utilizan fundentes de refinado a base de carnallita sin sodio.<\/p>\n

A la hora de fundir chatarra de aleaciones de aluminio, la calidad de la chatarra var\u00eda, por lo que la cantidad de agente de recubrimiento y de agente refinador tambi\u00e9n var\u00eda. La cantidad de agente refinador tambi\u00e9n var\u00eda en funci\u00f3n de las diferentes aleaciones de aluminio y de los distintos productos.<\/p>\n

\"\"<\/p>\n

Los siguientes m\u00e9todos se utilizan habitualmente en la producci\u00f3n de aleaciones de aluminio mediante la fundici\u00f3n y el refinado con fundentes de aluminio:<\/p>\n

La masa fundida se refina en la cuchara de colada. En primer lugar, se introduce un paquete de fundente en la cuchara, a continuaci\u00f3n se inyecta la masa fundida y se remueve bien para aumentar la superficie de contacto entre ambos.
\nLa masa fundida se refina en un horno de inducci\u00f3n. El fundente se introduce en el horno de inducci\u00f3n, y tanto el fundente como la masa fundida se mezclan completamente gracias al efecto de agitaci\u00f3n del campo magn\u00e9tico de inducci\u00f3n, con el fin de lograr el refinado.
\nSe refina con un mezclador en la cuchara o en el horno para dispersar mec\u00e1nicamente el fundente en la masa fundida.
\nLa masa fundida se refina en un dispositivo de agitaci\u00f3n con campo magn\u00e9tico. Este m\u00e9todo se basa en la fuerza electromagn\u00e9tica para llevar continuamente la masa fundida a la interfaz entre el fundente y el metal, con el fin de lograr un contacto activo entre el aluminio fundido y el fundente. Cuanto mayor sea la velocidad de rotaci\u00f3n de la masa fundida, mejor ser\u00e1 el efecto de refinado.
\nRefinado por flujo el\u00e9ctrico. En este m\u00e9todo, la masa fundida se hace pasar a trav\u00e9s de una capa de fundente a la que se aplica un campo el\u00e9ctrico (en la interfaz metal-fundente) para llevar a cabo un refinado continuo.<\/p>","protected":false},"excerpt":{"rendered":"

The aluminum fluxes refining method has a good effect on discharging non-metallic inclusions. The degree of purification by the flux to remove non-metallic inclusions in…<\/p>","protected":false},"author":1,"featured_media":9991,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[12389,688],"class_list":["post-9990","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-aluminum-fluxes-refining","tag-molten-aluminum-purification"],"yoast_head":"\nAluminum Fluxes Refining, Molten Aluminum Purification<\/title>\n<meta name=\"description\" content=\"The aluminum fluxes refining method has a good effect on discharging non-metallic inclusions. 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