{"id":4026,"date":"2020-08-23T03:00:45","date_gmt":"2020-08-23T03:00:45","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=4026"},"modified":"2020-08-23T03:00:45","modified_gmt":"2020-08-23T03:00:45","slug":"molten-aluminum-refining","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/molten-aluminum-refining\/","title":{"rendered":"Refinado de aluminio fundido"},"content":{"rendered":"

Durante el refinado del aluminio fundido, los \u00e1tomos de hidr\u00f3geno disueltos en el aluminio fundido migran hacia la periferia de la burbuja de refinado (Ar o N), se adsorben alrededor de la burbuja, se combinan con mol\u00e9culas de hidr\u00f3geno en su interior y, finalmente, flotan junto con la espuma. Es el proceso din\u00e1mico del fluido de vaciado del aluminio. Se trata de un proceso en el que el hidr\u00f3geno se difunde en la fase l\u00edquida y es absorbido por las burbujas.<\/p>\n

Refinado de aluminio fundido<\/h2>\n

En el proceso de fundici\u00f3n de aleaciones de aluminio, fundente de refinado<\/a> Se a\u00f1ade a la masa fundida para eliminar las inclusiones de \u00f3xido mediante una serie de acciones f\u00edsicas y qu\u00edmicas. La capacidad del clarificador para eliminar impurezas depende de la adsorci\u00f3n y la disoluci\u00f3n del clarificador sobre las inclusiones de \u00f3xido en la masa fundida, as\u00ed como de la acci\u00f3n qu\u00edmica del clarificador en la masa fundida. Cuanto menor sea la tensi\u00f3n interfacial entre el fundente de refinado y la inclusi\u00f3n de \u00f3xido, mejor ser\u00e1 el efecto de adsorci\u00f3n y m\u00e1s eficaz ser\u00e1 la eliminaci\u00f3n de la inclusi\u00f3n de \u00f3xido.<\/p>\n

El fundente de refinado de AdTech se basa en un principio de combinaci\u00f3n de compuestos met\u00e1licos fundidos para la investigaci\u00f3n, el desarrollo y la configuraci\u00f3n del producto. Reduce el humo y minimiza el desperdicio durante la combusti\u00f3n, lo que protege el medio ambiente de forma econ\u00f3mica.<\/p>\n

\"Refinado<\/p>\n

Los m\u00e9todos para mejorar la velocidad de refinado del aluminio fundido son los siguientes:<\/p>\n

(1) Aumentar al m\u00e1ximo el n\u00famero de burbujas y aumentar la superficie de contacto efectiva entre el aluminio fundido y las burbujas.<\/p>\n

(2) El di\u00e1metro de las burbujas debe reducirse al m\u00e1ximo, y debe aumentarse la velocidad de desplazamiento de las burbujas en el aluminio fundido sin que se produzcan salpicaduras en la superficie del aluminio fundido.<\/p>\n

(3) Permite reducir eficazmente la distancia de difusi\u00f3n del hidr\u00f3geno disuelto en el aluminio fundido, lo que equivale a mejorar el proceso de difusi\u00f3n o la capacidad de transferencia de masa.<\/p>\n

(4) La distancia de flotaci\u00f3n de las burbujas en el aluminio fundido debe prolongarse al m\u00e1ximo para aumentar el tiempo de permanencia de las burbujas en el aluminio fundido.<\/p>\n

(5) Si se utiliza un gas inerte de alta pureza, un gas reactivo insoluble en el aluminio fundido o el refinado al vac\u00edo, la concentraci\u00f3n de hidr\u00f3geno en la interfaz entre la burbuja y el l\u00edquido en el aluminio fundido tiende a cero.<\/p>","protected":false},"excerpt":{"rendered":"

During molten aluminum refining, the hydrogen atoms dissolved in molten aluminum migrate to the periphery of the refining bubble (Ar or N) and adsorb around…<\/p>","protected":false},"author":1,"featured_media":4028,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-4026","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"\nMolten Aluminum Refining Methods to Improve the Refining Speed<\/title>\n<meta name=\"description\" content=\"Molten Aluminum Refining Methods to Improve the Refining Speed: Increase the number of bubbles and the effective contact surface area.\" \/>\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\/molten-aluminum-refining\/\" \/>\n<meta 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