Purificaci\u00f3n de gases<\/a> Es el principal m\u00e9todo de purificaci\u00f3n del aluminio primario. El gas utilizado es cloro, nitr\u00f3geno o una mezcla de cloro y nitr\u00f3geno. Se utiliza una mezcla de cloro y nitr\u00f3geno para purificar el aluminio fundido. Su funci\u00f3n es, por un lado, eliminar el hidr\u00f3geno y separar los \u00f3xidos y, por otro, eliminar algunas impurezas met\u00e1licas del aluminio (como el magnesio). La proporci\u00f3n m\u00e1s habitual es 90% de nitr\u00f3geno + 10% de cloro. Tambi\u00e9n existe la combinaci\u00f3n de 10% de cloro + 10% de di\u00f3xido de carbono + 80% de nitr\u00f3geno. Este m\u00e9todo ofrece mejores resultados, ya que el di\u00f3xido de carbono facilita la difusi\u00f3n del cloro y el nitr\u00f3geno, lo que permite acortar el tiempo de operaci\u00f3n.<\/p>\n![\"M\u00e9todos](\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2021\/02\/Molten-Aluminum-Purification-Methods-1.jpg\")
<\/p>\n
Los lingotes de aluminio refundido o el aluminio fundido producido en las plantas de aluminio electrol\u00edtico son las materias primas para las piezas de fundici\u00f3n de aluminio. La ventaja de la fundici\u00f3n de aluminio es que permite fabricar productos con una forma cercana a la definitiva, lo que permite obtener la m\u00e1xima productividad y reducir al m\u00ednimo el procesamiento posterior.<\/p>\n
Durante la carga y la preparaci\u00f3n del horno de mantenimiento, se formar\u00e1 una gruesa capa de escoria de aluminio (l\u00edquida o s\u00f3lida) en la superficie del aluminio fundido. La escoria de aluminio contiene una gran cantidad de \u00f3xido de aluminio, y estos \u00f3xidos tambi\u00e9n deben volver a fundirse para recuperar el aluminio; de lo contrario, esta parte del aluminio se perder\u00e1.<\/p>\n
Tras la purificaci\u00f3n del aluminio fundido, este debe someterse a un an\u00e1lisis metal\u00fargico para comprobar que cumple los requisitos del cliente antes de poder moldearse en un producto con la forma especificada; a continuaci\u00f3n, debe pesarse y embalarse antes de enviarse al cliente.<\/p>","protected":false},"excerpt":{"rendered":"
In the industry, molten aluminum purification methods such as flux purification and gas purification are mainly used, and some try tube filters, ceramic foam filters,…<\/p>","protected":false},"author":1,"featured_media":7904,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-7901","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"\n
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