{"id":10695,"date":"2021-10-21T05:43:40","date_gmt":"2021-10-21T05:43:40","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=10695"},"modified":"2021-10-21T05:43:40","modified_gmt":"2021-10-21T05:43:40","slug":"aluminum-scrap-recycling","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/aluminum-scrap-recycling\/","title":{"rendered":"Reciclaje de chatarra de aluminio"},"content":{"rendered":"<p>Los residuos de aluminio, como las latas de bebidas, siempre que se elimine el color de la superficie exterior, se introducen en el horno y se funden para obtener una aleaci\u00f3n. A continuaci\u00f3n, se ajusta su composici\u00f3n y se moldea en lingotes de aleaci\u00f3n de aluminio secundario, que pueden reutilizarse para fabricar nuevas latas de aluminio.<\/p>\n<p>El aluminio se utiliza ampliamente para fabricar latas de bebidas, ya que presenta una buena plasticidad y una baja densidad. Por lo tanto, el aluminio puede emplearse para fabricar latas de bebidas, lo que permite reducir el consumo de energ\u00eda durante el transporte, y su capacidad de reciclaje aporta grandes beneficios econ\u00f3micos.<\/p>\n<p>El m\u00e9todo de reciclaje de la chatarra de aluminio var\u00eda en funci\u00f3n de sus tipos y, por lo general, incluye cuatro etapas: pretratamiento, fundici\u00f3n, refinado y mezcla de aleaciones.<\/p>\n<p>La fase de pretratamiento de los residuos que contienen aluminio antes de la fundici\u00f3n incluye la clasificaci\u00f3n, el desmontaje, el corte, la separaci\u00f3n magn\u00e9tica, el embalaje y el secado. El objetivo del pretratamiento es eliminar los explosivos, las piezas de hierro y la humedad, y conseguir que los residuos tengan una granulometr\u00eda adecuada.<\/p>\n<p>El tratamiento de la chatarra de aluminio suele realizarse mediante un proceso pirometal\u00fargico, y la chatarra de aluminio pretratada se funde en el horno para producir aluminio secundario y aleaciones de aluminio.<\/p>\n<p>La aleaci\u00f3n de aluminio reciclado contiene m\u00e1s impurezas met\u00e1licas y no met\u00e1licas, por lo que debe someterse a un proceso de refinado adicional.<\/p>\n<p><strong>Eliminaci\u00f3n de impurezas no met\u00e1licas<\/strong><\/p>\n<p>Cuando se enfr\u00eda la masa fundida de la aleaci\u00f3n de aluminio regenerada, la solubilidad del gas se reduce y el hidr\u00f3geno que inicialmente estaba disuelto en la masa fundida se precipita en una fase independiente, lo que genera poros en la pieza fundida, lo que a su vez reducir\u00e1 las propiedades mec\u00e1nicas de la misma. Adem\u00e1s, la al\u00famina, una impureza no met\u00e1lica s\u00f3lida, se distribuye en los l\u00edmites de grano, lo que tambi\u00e9n reduce las propiedades mec\u00e1nicas de la aleaci\u00f3n. Para mejorar el rendimiento de la aleaci\u00f3n regenerada, es necesario eliminar las impurezas presentes en ella. <a href=\"http:\/\/www.alalloycasting.com\/es\/molten-aluminum-refining\/\">Refinado de aluminio fundido<\/a> Entre los m\u00e9todos se incluyen la filtraci\u00f3n, el refinado por ventilaci\u00f3n, el refinado con sal y el refinado al vac\u00edo.<\/p>\n<p><strong>Eliminaci\u00f3n de impurezas met\u00e1licas<\/strong><\/p>\n<p>Los residuos de aluminio suelen contener impurezas met\u00e1licas que superan los l\u00edmites establecidos y que deben eliminarse. Entre los m\u00e9todos de eliminaci\u00f3n se encuentran la oxidaci\u00f3n, la cloraci\u00f3n, la nitruraci\u00f3n, etc.<\/p>\n<p>Dado que durante el proceso de fundici\u00f3n se pierden algunos componentes de la aleaci\u00f3n, tras el proceso de refinado es necesario a\u00f1adir elementos de aleaci\u00f3n a la aleaci\u00f3n de aluminio l\u00edquida, con el fin de que la aleaci\u00f3n de aluminio fundida cumpla los requisitos de la norma del producto.<\/p>","protected":false},"excerpt":{"rendered":"<p>Aluminum scrap recycling such as beverage cans, as long as the color on the outer surface is removed, is sent into the furnace and melted&hellip;<\/p>","protected":false},"author":1,"featured_media":10696,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-10695","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>Aluminum Scrap Recycling, Impurities Removal in Molten Metal<\/title>\n<meta name=\"description\" content=\"Aluminum scrap recycling such as beverage cans, as long as the color on the outer surface is removed, is sent into the furnace and melted.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.alalloycasting.com\/es\/aluminum-scrap-recycling\/\" \/>\n<meta property=\"og:locale\" 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