{"id":6429,"date":"2020-11-14T08:16:10","date_gmt":"2020-11-14T08:16:10","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=6429"},"modified":"2020-11-13T09:31:04","modified_gmt":"2020-11-13T09:31:04","slug":"flux-purification-of-aluminum","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/flux-purification-of-aluminum\/","title":{"rendered":"Purificaci\u00f3n del aluminio mediante fundente"},"content":{"rendered":"<p>La escoria de aluminio generada durante la purificaci\u00f3n de la masa fundida contiene inclusiones reales, productos de reacci\u00f3n de los agentes de refinado y agentes de refinado que no han reaccionado por completo. No es recomendable evaluar el efecto de la purificaci\u00f3n del aluminio fundido bas\u00e1ndose en la cantidad de escoria de aluminio. A continuaci\u00f3n se presenta el estado actual de la investigaci\u00f3n sobre la purificaci\u00f3n del aluminio mediante fundentes, tanto a nivel nacional como internacional:<\/p>\n<p>A nivel nacional, los investigadores han estudiado la posibilidad de a\u00f1adir compuestos org\u00e1nicos para que se descompongan en el ba\u00f1o de fusi\u00f3n y liberen burbujas, con el fin de eliminar impurezas y expulsarlas mediante el principio de refinado por flotaci\u00f3n; Tambi\u00e9n hay informes de investigaci\u00f3n que proponen la introducci\u00f3n de compuestos de tierras raras y \u00e1cido carb\u00f3nico en el agente de refinado; la sal es un componente adicional del agente de refinado para desarrollar un nuevo tipo de agente de refinado compuesto. Los resultados muestran que: el compuesto de tierras raras presente en el agente de refinado puede reaccionar con el fundido para formar elementos de tierras raras, que pueden sustituir y adsorber el hidr\u00f3geno impuro en complejos REH\u2082 o REH\u2083, lo que permite lograr el efecto de desgasificaci\u00f3n, y pueden reaccionar con la al\u00famina para sustituir al aluminio, reduciendo as\u00ed el n\u00famero de inclusiones de \u00f3xido en la masa fundida de aluminio y modificando el tama\u00f1o de las inclusiones de Al\u2082O\u2083. Adem\u00e1s, algunas tierras raras y compuestos de tierras raras tambi\u00e9n pueden utilizarse como n\u00facleos de aleaci\u00f3n de aluminio; las part\u00edculas desempe\u00f1an la funci\u00f3n de refinamiento de grano y de deterioro.<\/p>\n<p>Las empresas de transformaci\u00f3n de aluminio, tanto nacionales como extranjeras, y los institutos de investigaci\u00f3n cient\u00edfica han llevado a cabo numerosas investigaciones sobre los fundentes, y existen muchos tipos de fundentes desarrollados y en uso. Por ejemplo, Toguri JM y Silny A. han realizado an\u00e1lisis en profundidad sobre la tensi\u00f3n interfacial del fundente, las inclusiones de \u00f3xido en la masa fundida y el aluminio fundido. El estudio revel\u00f3 que, cuando la energ\u00eda de interfaz entre el ba\u00f1o fundido y las inclusiones de \u00f3xido es mayor, tambi\u00e9n lo es la energ\u00eda de interfaz entre el fundente y las inclusiones de \u00f3xido. Cuanto menor o mayor sea la energ\u00eda de interfaz entre el fundente y el ba\u00f1o fundido, m\u00e1s f\u00e1cil resulta la adsorci\u00f3n de las inclusiones de \u00f3xido en el aluminio fundido y m\u00e1s intensa es la refinaci\u00f3n; Utigard TA et al. estudiaron el agente de refinado con KCl-NaCl como matriz y KCl-MgCl\u2082 como matriz. Los resultados muestran que el agente de refinado compuesto por dicha sal hal\u00f3gena binaria tiene un efecto de recubrimiento sobre el metal fundido y puede reducir la oxidaci\u00f3n del mismo. Adem\u00e1s, otros estudios han revelado que, cuando este tipo de fundente se combina con un determinado fluoruro (como la criolita), su actividad aumenta considerablemente, lo que permite una buena separaci\u00f3n entre el aluminio l\u00edquido y el fundente.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6485\" src=\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2020\/11\/High-Efficiency-Flux-1.jpg\" alt=\"Flujo de alta eficiencia\" width=\"500\" height=\"400\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/11\/High-Efficiency-Flux-1.jpg 500w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/11\/High-Efficiency-Flux-1-300x240.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>AdTech ofrece un fundente multifuncional para el refinado de fundici\u00f3n de aluminio fundido, que mejora el efecto purificador del aluminio. AdTech <a href=\"http:\/\/www.alalloycasting.com\/es\/refining-flux\/\">fundente de refinado<\/a>\u00a0Utiliza el principio de la combinaci\u00f3n de metales fundidos para investigar, desarrollar y configurar el producto. Reduce el humo y minimiza el desperdicio por combusti\u00f3n, lo que protege el medio ambiente de forma econ\u00f3mica.<\/p>","protected":false},"excerpt":{"rendered":"<p>The aluminum slag produced by melt purification contains real inclusions, refining agent reaction products and incompletely reacted refining agents. It is not advisable to evaluate&hellip;<\/p>","protected":false},"author":1,"featured_media":6490,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-6429","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>Flux Purification of Aluminum | Aluminium Casting Refining Flux<\/title>\n<meta name=\"description\" content=\"AdTech offers multi-function molten aluminium casting refining flux, flux purification effect of aluminum is better, reducing smoke.\" \/>\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\/flux-purification-of-aluminum\/\" \/>\n<meta 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