{"id":10463,"date":"2021-10-06T09:10:24","date_gmt":"2021-10-06T09:10:24","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=10463"},"modified":"2021-10-06T09:10:24","modified_gmt":"2021-10-06T09:10:24","slug":"molten-aluminium-purification","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/molten-aluminium-purification\/","title":{"rendered":"Purificaci\u00f3n del aluminio fundido"},"content":{"rendered":"<p>Tanto si se trata de aluminio l\u00edquido bruto electrol\u00edtico como de aluminio l\u00edquido refundido, ambos contienen al\u00famina e hidr\u00f3geno. Estas dos impurezas no met\u00e1licas son las principales que afectan al rendimiento del proceso, as\u00ed como a las propiedades f\u00edsicas y mec\u00e1nicas del aluminio. Por lo tanto, la purificaci\u00f3n del aluminio fundido tiene como objetivo principal eliminar estas dos impurezas. La al\u00famina se encuentra en forma de part\u00edculas finas en suspensi\u00f3n en el aluminio l\u00edquido, mientras que el hidr\u00f3geno se encuentra en forma de \u00e1tomos libres en el aluminio l\u00edquido. El hidr\u00f3geno tiene cierta solubilidad en el aluminio fundido y, a medida que aumenta la temperatura de este, tambi\u00e9n aumenta su solubilidad.<\/p>\n<p>El objetivo de la purificaci\u00f3n del aluminio fundido es utilizar diversos m\u00e9todos para reducir el contenido de gases (principalmente hidr\u00f3geno) en el aluminio fundido, as\u00ed como las inclusiones no met\u00e1licas y diversos metales nocivos. En el proceso de fundici\u00f3n y colada de aleaciones de aluminio, se producen, en mayor o menor medida, inclusiones de gases, de materiales no met\u00e1licos y de otros metales, lo que da lugar a lingotes con porosidad, poros, inclusiones de escoria y otros defectos, que tienen un impacto negativo significativo en las prestaciones del producto. Lo mismo ocurre en la colada continua y el laminado de alambr\u00f3n. Dado que el alambr\u00f3n de aluminio se transformar\u00e1 posteriormente en aluminio con un di\u00e1metro y una secci\u00f3n transversal menores, la importancia de la purificaci\u00f3n del aluminio fundido es a\u00fan mayor.<\/p>\n<p>El m\u00e9todo de purificaci\u00f3n mec\u00e1nica del aluminio l\u00edquido es un m\u00e9todo complementario al m\u00e9todo de burbujas. Es adecuado para la purificaci\u00f3n fuera del horno, es decir, se utiliza en el repartidor del canal de colada durante el proceso de fundici\u00f3n. Los materiales utilizados son principalmente tela filtrante, filtro de espuma cer\u00e1mica y bolas de al\u00famina. Este m\u00e9todo puede utilizarse junto con el m\u00e9todo de burbujas.<\/p>\n<p>El <a href=\"http:\/\/www.alalloycasting.com\/es\/refractory-ceramic-foam-filter\/\">filtro de espuma cer\u00e1mica<\/a> Es un filtro de l\u00e1minas que se instala en l\u00ednea entre el sistema de procesamiento de metales y el equipo de colada. Tiene la doble funci\u00f3n de filtrar y calentar el aluminio fundido. El principio de filtraci\u00f3n consiste en que el aluminio fundido pasa a trav\u00e9s de dos placas filtrantes de cer\u00e1mica para retener las impurezas presentes en el aluminio fundido. El efecto de la filtraci\u00f3n depende de la selecci\u00f3n del n\u00famero de orificios del medio filtrante; el caudal del filtro depende del tama\u00f1o, el n\u00famero y la distribuci\u00f3n de los orificios de la placa filtrante. La resistencia se instala en la tapa del cuerpo de la caja durante el calentamiento, y su finalidad es mantener la temperatura del metal entre dos coladas a la temperatura establecida por el operador, as\u00ed como aumentar la temperatura del metal cuando se realiza una colada continua con la cuchara.<\/p>","protected":false},"excerpt":{"rendered":"<p>Whether it is electrolytic raw aluminum liquid or remelted aluminum liquid, they all contain alumina and hydrogen. These two non-metallic impurities are the main impurities&hellip;<\/p>","protected":false},"author":1,"featured_media":10464,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-10463","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Molten Aluminium Purification with Ceramic Foam Filter<\/title>\n<meta name=\"description\" content=\"The purpose of molten aluminium purification is to use various methods to reduce the gas content, reduce inclusions and harmful metals.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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