{"id":5171,"date":"2020-09-25T09:28:02","date_gmt":"2020-09-25T09:28:02","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=5171"},"modified":"2020-09-25T10:05:56","modified_gmt":"2020-09-25T10:05:56","slug":"secondary-aluminum-production","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/secondary-aluminum-production\/","title":{"rendered":"Producci\u00f3n de aluminio secundario"},"content":{"rendered":"

La cuesti\u00f3n fundamental de la producci\u00f3n de aluminio reciclado es c\u00f3mo transformar una variedad tan amplia de materias primas complejas en lingotes de aluminio reciclado que cumplan los requisitos de calidad. El primer paso del proceso de producci\u00f3n de aluminio secundario es la selecci\u00f3n y clasificaci\u00f3n de los residuos y el aluminio diverso.
\nCuanto m\u00e1s minuciosa sea la selecci\u00f3n y m\u00e1s precisa la clasificaci\u00f3n, m\u00e1s f\u00e1cil resulta controlar la composici\u00f3n qu\u00edmica de aluminio reciclado<\/a>.
\nLas piezas de aluminio de desecho suelen contener numerosas impurezas. Estas impurezas son, en su mayor\u00eda, piezas que no son de aluminio, sino de acero o aleaciones de cobre. Si no se eliminan a tiempo durante el proceso de fundici\u00f3n, provocar\u00e1n la incorporaci\u00f3n de elementos no deseados a la composici\u00f3n del aluminio secundario (como Fe, Cu, etc.).
\nPor lo tanto, en la fase inicial de la fundici\u00f3n de aluminio secundario, es decir, cuando el aluminio de desecho acaba de fundirse, debe llevarse a cabo un proceso de separaci\u00f3n de las impurezas (conocido com\u00fanmente como \u00abproceso de separaci\u00f3n\u00bb).<\/p>\n

\"Producci\u00f3n<\/p>\n

Producci\u00f3n de aluminio secundario<\/h2>\n

Retira los insertos de las piezas de aluminio de desecho; cuanto m\u00e1s r\u00e1pido y limpio se haga, m\u00e1s f\u00e1cil resultar\u00e1 controlar la composici\u00f3n qu\u00edmica del aluminio reciclado.
\nLa temperatura del material fundido no debe ser demasiado alta al planchar, ya que el aumento de temperatura provocar\u00e1 que los elementos Fe y Cu del inserto se disuelvan en el aluminio fundido.<\/p>\n

Los materiales de chatarra de aluminio recogidos en diversos lugares presentan inevitablemente suciedad en la superficie debido a diversas causas, y algunos est\u00e1n muy oxidados. Esta suciedad y estas superficies oxidadas pasar\u00e1n al ba\u00f1o de fusi\u00f3n durante el proceso de fundici\u00f3n, formando fases de escoria e inclusiones de oxidaci\u00f3n, lo que perjudicar\u00e1 gravemente la calidad metal\u00fargica del aluminio secundario. .
\nLa eliminaci\u00f3n de estas fases de escoria y de las inclusiones de \u00f3xido es tambi\u00e9n uno de los procesos m\u00e1s importantes en la fundici\u00f3n de aluminio secundario.
\nSe utiliza un proceso de purificaci\u00f3n en varias etapas; es decir, primero se lleva a cabo una purificaci\u00f3n preliminar, se ajusta la composici\u00f3n y, a continuaci\u00f3n, se realiza una purificaci\u00f3n secundaria m\u00e1s precisa de las tierras raras; posteriormente, se inyecta gas inerte para reforzar a\u00fan m\u00e1s el efecto de refinado, lo que permite eliminar eficazmente las inclusiones presentes en el aluminio fundido.<\/p>","protected":false},"excerpt":{"rendered":"

How to prepare such a variety of complex raw materials into qualified recycled aluminum ingots is the core issue of recycled aluminum production. The first…<\/p>","protected":false},"author":1,"featured_media":5173,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-5171","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"\nSecondary Aluminum Production by Recycled Aluminum<\/title>\n<meta name=\"description\" content=\"The first step of the secondary aluminum production process is the sorting and classification process of waste and miscellaneous aluminum.\" \/>\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\/secondary-aluminum-production\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Secondary Aluminum 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