{"id":7672,"date":"2021-01-21T07:21:47","date_gmt":"2021-01-21T07:21:47","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=7672"},"modified":"2021-01-21T07:21:47","modified_gmt":"2021-01-21T07:21:47","slug":"molten-al-filtering","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/molten-al-filtering\/","title":{"rendered":"Filtraci\u00f3n de aluminio fundido"},"content":{"rendered":"<p>AdTech ofrece un filtro avanzado de espuma cer\u00e1mica de al\u00famina para la filtraci\u00f3n de aluminio fundido, que presenta una mayor eficacia a la hora de eliminar inclusiones especialmente finas, de entre 10 y 25 \u03bcm aproximadamente. Los filtros de espuma cer\u00e1mica se utilizan ampliamente para la filtraci\u00f3n de aluminio fundido en fundiciones de aluminio primarias y secundarias; tambi\u00e9n se emplean como medios filtrantes en la ingenier\u00eda de separaci\u00f3n gas-l\u00edquido y l\u00edquido-s\u00f3lido.<\/p>\n<p>El reciclaje de chatarra de aluminio (es decir, la refundici\u00f3n de la chatarra de aluminio para utilizarla como materia prima) puede suponer un ahorro energ\u00e9tico considerable y, por lo tanto, aportar grandes ventajas.<\/p>\n<p>Sin embargo, la chatarra de aluminio suele contener diversas impurezas en altas concentraciones. Por ello, es probable que el aluminio fundido o la aleaci\u00f3n de aluminio fundida obtenidos mediante la refundici\u00f3n de dicha chatarra de aluminio contengan una variedad de inclusiones, entre las que se incluyen muchos tipos de inclusiones no met\u00e1licas. Las inclusiones no met\u00e1licas son, por ejemplo, \u00f3xidos presentes originalmente en la chatarra de aluminio que se va a utilizar como materia prima para la fusi\u00f3n, u \u00f3xidos producidos por la reacci\u00f3n de las impurezas contenidas en la chatarra de aluminio con el ox\u00edgeno de la atm\u00f3sfera durante la refundici\u00f3n.<\/p>\n<p>Por consiguiente, en caso de utilizar dicha chatarra de aluminio procedente de productos de aleaciones de aluminio como parte o la totalidad de la materia prima de aluminio, es necesario eliminar las inclusiones, al menos del aluminio fundido obtenido mediante la fusi\u00f3n de la materia prima de aluminio. Por lo tanto, adem\u00e1s del proceso de refinado, como la desgasificaci\u00f3n del aluminio fundido mediante el uso de <a href=\"http:\/\/www.alalloycasting.com\/es\/fluxes\/\">flujos<\/a>, se ha llevado a cabo un proceso de eliminaci\u00f3n de inclusiones del aluminio fundido, como el m\u00e9todo de \u00abkilling\u00bb, el m\u00e9todo del gas activo y la filtraci\u00f3n del aluminio fundido.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-7666\" src=\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2021\/01\/Filter-for-Molten-Aluminum.jpg\" alt=\"Filtro para aluminio fundido\" width=\"500\" height=\"400\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/01\/Filter-for-Molten-Aluminum.jpg 500w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/01\/Filter-for-Molten-Aluminum-300x240.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>AdTech ofrece un <a href=\"http:\/\/www.alalloycasting.com\/es\/adtech-ceramic-foam-filter\/\">filtro de espuma cer\u00e1mica de \u00faltima generaci\u00f3n<\/a>\u00a0con una capacidad de filtrado mejorada para eliminar part\u00edculas de inclusiones especialmente finas del aluminio fundido o de la aleaci\u00f3n de aluminio fundida. El filtro avanzado incluye un elemento de malla de agregados fabricado con un material refractario y una capa de recubrimiento formada sobre la superficie de dicho elemento.<\/p>\n<p>Filtro de espuma cer\u00e1mica para aleaciones de aluminio fundido, cuya composici\u00f3n qu\u00edmica es la siguiente: 20 \u2013 70 % en peso de Al\u2082O\u2083, 20 \u2013 60 % en peso de SiO\u2082, 0-10 % en peso de CaO, 0-10 % en peso; MgO y entre un 2 % y un 20 % en peso de B\u2082O\u2083. El filtro de espuma cer\u00e1mica es un producto sin fosfatos, a base de alta al\u00famina, que se caracteriza por su elevada porosidad y estabilidad mecanoqu\u00edmica, as\u00ed como por su excelente resistencia al ataque t\u00e9rmico y a la corrosi\u00f3n provocados por el aluminio fundido. Puede eliminar eficazmente las inclusiones, reducir el gas atrapado y proporcionar un flujo laminar al filtrar aluminio fundido; se mecaniza con una tolerancia dimensional muy ajustada durante la producci\u00f3n; esta combinaci\u00f3n de propiedades f\u00edsicas y tolerancia precisa lo convierte en la primera opci\u00f3n para la filtraci\u00f3n de metales no ferrosos fundidos.<\/p>","protected":false},"excerpt":{"rendered":"<p>AdTech provides an advanced alumina ceramic foam filter for molten Al filtering, it has an improved efficiency of removing especially fine inclusions of about 10&hellip;<\/p>","protected":false},"author":1,"featured_media":7673,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-7672","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO 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