{"id":7479,"date":"2021-01-12T07:49:29","date_gmt":"2021-01-12T07:49:29","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=7479"},"modified":"2021-01-12T07:49:29","modified_gmt":"2021-01-12T07:49:29","slug":"cffs-molten-aluminum-filtration","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/cffs-molten-aluminum-filtration\/","title":{"rendered":"Filtraci\u00f3n de aluminio fundido con CFF"},"content":{"rendered":"<p>Los filtros de espuma cer\u00e1mica (CFF) para la filtraci\u00f3n del aluminio fundido no solo eliminan eficazmente una gran cantidad de impurezas extra\u00f1as presentes en el aluminio fundido, sino que tambi\u00e9n retienen inclusiones finas de unas pocas micras que no pueden eliminarse mediante los procesos tradicionales.<\/p>\n<p>Los \u00e1tomos de hidr\u00f3geno y otros iones nocivos presentes en el aluminio fundido suelen adsorberse en las inclusiones, y estas pueden convertirse en el n\u00facleo de la formaci\u00f3n de burbujas. Por lo tanto, al filtrar las inclusiones, tambi\u00e9n se puede reducir el contenido de estos elementos y gases nocivos en el aluminio l\u00edquido. Algunos estudios tambi\u00e9n sostienen que el disco filtrante retiene muchas inclusiones peque\u00f1as, reduciendo as\u00ed los n\u00facleos cristalinos efectivos necesarios para la solidificaci\u00f3n del aluminio fundido. En condiciones de gran sobreenfriamiento, esto puede favorecer el crecimiento de los n\u00facleos de aluminio, refinar la estructura y mejorar el rendimiento del producto.<\/p>\n<p>El <a href=\"http:\/\/www.alalloycasting.com\/es\/ceramic-foam-filter-manufacturing-process\/\">fabricaci\u00f3n de filtros de espuma cer\u00e1mica<\/a> El m\u00e9todo consiste en sumergir una esponja de poliuretano en barbotina cer\u00e1mica, escurrir el exceso de material y secarla. Por \u00faltimo, se sinteriza a alta temperatura para formar un material cer\u00e1mico poroso tridimensional, que consiste en un tubo curvado e interconectado con un espesor irregular. Es precisamente esta pared irregular del tubo la que desempe\u00f1a un papel clave a la hora de capturar las peque\u00f1as inclusiones presentes en el aluminio fundido. Esta estructura tambi\u00e9n aumenta la probabilidad de que el aluminio fundido entre en contacto con la parte cer\u00e1mica del filtro, lo que incrementa la posibilidad de que se adsorban las inclusiones.<\/p>\n<p><strong>Filtraci\u00f3n de aluminio fundido con CFF<\/strong><\/p>\n<ul>\n<li>La filtraci\u00f3n de la aleaci\u00f3n de aluminio fundida incluye la filtraci\u00f3n superficial y la filtraci\u00f3n interna.<\/li>\n<li>La filtraci\u00f3n superficial consiste en que las impurezas s\u00f3lidas se depositan principalmente en la superficie del filtro de espuma cer\u00e1mica.<\/li>\n<li>La filtraci\u00f3n interna consiste en que el aluminio fundido arrastra inclusiones a trav\u00e9s del medio filtrante por los canales sinuosos y los poros. Estas inclusiones son interceptadas directamente, adsorbidas, depositadas, etc., chocan contra la pared del poro y se adhieren firmemente a ella.<\/li>\n<li>A medida que avanza la filtraci\u00f3n, la superficie efectiva de filtraci\u00f3n de los poros disminuye gradualmente, la permeabilidad se reduce y la precisi\u00f3n de la filtraci\u00f3n mejora.<\/li>\n<li>Los filtros de espuma cer\u00e1mica (CFF) y la filtraci\u00f3n de lecho profundo se enmarcan dentro de la filtraci\u00f3n interna, mientras que la filtraci\u00f3n tubular corresponde a la doble captura de impurezas superficiales e internas.<\/li>\n<\/ul>\n<p><a href=\"http:\/\/www.alalloycasting.com\/es\/foam-ceramic-filters\/\">Filtros de espuma cer\u00e1mica<\/a> Los filtros de espuma cer\u00e1mica (CFF) para aluminio fundido se utilizan ampliamente en la producci\u00f3n de grandes empresas de transformaci\u00f3n del aluminio en Rusia, Oriente Medio y el Sudeste Asi\u00e1tico. Durante su uso, no solo es necesario eliminar las inclusiones del aluminio fundido, sino tambi\u00e9n evitar que se obstruya el filtro de espuma cer\u00e1mica CFF y prolongar su vida \u00fatil.<\/p>","protected":false},"excerpt":{"rendered":"<p>Ceramic foam filters (CFFs) molten aluminum filtration can not only effectively remove a large number of foreign impurities in molten aluminum, but also filter out&hellip;<\/p>","protected":false},"author":1,"featured_media":7480,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-7479","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>CFFs Molten Aluminum Filtration, Ceramic Foam Filters<\/title>\n<meta name=\"description\" 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