{"id":7166,"date":"2020-12-24T02:12:39","date_gmt":"2020-12-24T02:12:39","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=7166"},"modified":"2020-12-24T02:12:39","modified_gmt":"2020-12-24T02:12:39","slug":"ceramic-filter-molten-aluminum-filtration","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/ceramic-filter-molten-aluminum-filtration\/","title":{"rendered":"Filtro cer\u00e1mico para la filtraci\u00f3n de aluminio fundido"},"content":{"rendered":"<p>El filtro de espuma cer\u00e1mica aumenta la resistencia al flujo del aluminio fundido, prolonga el tiempo medio de permanencia del aluminio fundido y reduce la fracci\u00f3n volum\u00e9trica de la zona muerta del repartidor. Los filtros de espuma cer\u00e1mica pueden mejorar significativamente la tasa de eliminaci\u00f3n de inclusiones de peque\u00f1o tama\u00f1o y tambi\u00e9n pueden compensar en parte la disminuci\u00f3n de dicha tasa provocada por el aumento de la densidad.<\/p>\n<p>Durante el proceso de producci\u00f3n de colada continua, debido a la desulfuraci\u00f3n, la desoxidaci\u00f3n y la aleaci\u00f3n del aluminio fundido, a la interacci\u00f3n entre el aluminio fundido y la escoria, y a la p\u00e9rdida por fusi\u00f3n y el desprendimiento de materiales refractarios como los revestimientos de los hornos, se producen diversos \u00f3xidos, nitruros y sulfuros. Inclusiones no met\u00e1licas. Estas inclusiones no met\u00e1licas afectan gravemente a la resistencia, la tenacidad y la resistencia a la fatiga de los productos de aluminio, y reducen la fiabilidad del producto.<\/p>\n<p>Como \u00faltima etapa para la eliminaci\u00f3n de inclusiones antes de la colada continua de aluminio fundido, el dep\u00f3sito de distribuci\u00f3n tiene un impacto importante en la pureza del aluminio fundido. Con el fin de mejorar la tasa de eliminaci\u00f3n de inclusiones, en el repartidor se suelen instalar dispositivos de control de flujo, como supresores de turbulencias y vertederos, para mejorar el campo de flujo y la distribuci\u00f3n de la temperatura del aluminio fundido, favoreciendo as\u00ed la eliminaci\u00f3n por flotaci\u00f3n de las inclusiones. Sin embargo, los dispositivos de control de flujo habituales solo pueden eliminar inclusiones de gran tama\u00f1o. En el caso de las inclusiones de tama\u00f1o inferior a 50 \u03bcm, el efecto de eliminaci\u00f3n por flotaci\u00f3n no es \u00f3ptimo debido a la limitada flotabilidad.<\/p>\n<p><a href=\"http:\/\/www.alalloycasting.com\/es\/foam-ceramicceramic-foam-filter-filtration\/\">Filtraci\u00f3n mediante filtro de espuma cer\u00e1mica<\/a> En los \u00faltimos a\u00f1os, esta tecnolog\u00eda se ha convertido en un tema de investigaci\u00f3n de gran inter\u00e9s en el \u00e1mbito de la eliminaci\u00f3n de inclusiones. Se utilizan materiales refractarios microporosos para desarrollar un filtro cer\u00e1mico poroso con gran estabilidad qu\u00edmica y elevada capacidad de adsorci\u00f3n, que posteriormente se instala en el repartidor. Cuando el aluminio l\u00edquido fluye a trav\u00e9s del filtro cer\u00e1mico, los orificios del filtro comprimen el aluminio, modifican la estructura del campo de flujo y obligan a las inclusiones a separarse del aluminio fundido y desplazarse hacia la pared del orificio, para luego ser adsorbidas y eliminadas por el filtro cer\u00e1mico. Este proceso de eliminaci\u00f3n se basa principalmente en la adsorci\u00f3n de las inclusiones por parte de los refractarios microporosos, sin que la flotabilidad de las inclusiones se vea muy afectada. Por lo tanto, se puede mejorar de forma eficaz la eliminaci\u00f3n de las inclusiones de peque\u00f1o tama\u00f1o.<\/p>","protected":false},"excerpt":{"rendered":"<p>The ceramic foam filter increases the flow resistance of the molten aluminum, prolongs the average residence time of the molten aluminum, and reduces the volume&hellip;<\/p>","protected":false},"author":1,"featured_media":7167,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[138],"tags":[],"class_list":["post-7166","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-seo"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ceramic Filter Molten Aluminum Filtration, Molten Metal Filter<\/title>\n<meta name=\"description\" content=\"Ceramic foam filter can significantly improve the removal rate of small-size inclusions. CFF filtration technology is a research hotspot.\" \/>\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\/ceramic-filter-molten-aluminum-filtration\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ceramic Filter Molten Aluminum Filtration, Molten Metal Filter\" \/>\n<meta property=\"og:description\" content=\"Ceramic foam filter can significantly improve the removal rate of small-size inclusions. 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