{"id":9838,"date":"2021-08-10T08:12:40","date_gmt":"2021-08-10T08:12:40","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=9838"},"modified":"2021-08-10T08:12:40","modified_gmt":"2021-08-10T08:12:40","slug":"aluminum-degassing-box","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/aluminum-degassing-box\/","title":{"rendered":"Caja de desgasificaci\u00f3n de aluminio"},"content":{"rendered":"

Con el r\u00e1pido desarrollo de la tecnolog\u00eda de transformaci\u00f3n del aluminio, los requisitos de calidad de los productos de aluminio son cada vez m\u00e1s exigentes. La cuesti\u00f3n de c\u00f3mo purificar mejor el aluminio fundido y eliminar los defectos internos de los productos de aluminio ha suscitado un gran inter\u00e9s en el sector de la transformaci\u00f3n del aluminio de diversos pa\u00edses. La pr\u00e1ctica industrial demuestra que el m\u00e9todo de flotaci\u00f3n por burbujas es actualmente uno de los m\u00e1s eficaces para purificar el aluminio fundido. Consiste en utilizar una boquilla giratoria (rotor de grafito) para inyectar gas inerte en el aluminio fundido. El equipo clave para el m\u00e9todo de flotaci\u00f3n por burbujas destinado a purificar el aluminio fundido es el unidad de desgasificaci\u00f3n<\/a>, y el rotor de grafito es la pieza de desgaste principal de la caja de desgasificaci\u00f3n de aluminio.<\/p>\n

Cuando la caja de desgasificaci\u00f3n de aluminio fundido est\u00e1 en funcionamiento, el rotor de grafito gira a una velocidad constante de 200~300 r\/min, y el gas, con una presi\u00f3n y un caudal determinados, se introduce por la parte superior de la columna del rotor y se inyecta a trav\u00e9s de los poros situados alrededor de la cabeza del rotor, por el canal de gas situado en el interior de la columna del rotor. En el aluminio l\u00edquido del tanque de desgasificaci\u00f3n, las burbujas se expulsan continuamente. Cuando las palas del cabezal del rotor giran, desempe\u00f1an la doble funci\u00f3n de agitar el aluminio fundido y reducir el tama\u00f1o de las burbujas, lo que provoca que un gran n\u00famero de peque\u00f1as burbujas asciendan por el aluminio fundido siguiendo una trayectoria en espiral hasta que escapan a la superficie del aluminio fundido, completando as\u00ed el proceso de desgasificaci\u00f3n y purificaci\u00f3n. Evidentemente, este proceso de purificaci\u00f3n impone requisitos m\u00e1s exigentes al material de grafito utilizado para fabricar el rotor.<\/p>\n

El rotor de grafito gira a altas temperaturas y se encuentra al rojo vivo. Al mismo tiempo, est\u00e1 sometido al doble efecto de la oxidaci\u00f3n a alta temperatura y la erosi\u00f3n por el aluminio fundido, por lo que se va desgastando gradualmente, especialmente cerca de la parte que entra en contacto con la superficie del aluminio fundido, donde el desgaste es m\u00e1s grave. Adem\u00e1s, debido a paradas normales y an\u00f3malas, revisiones generales y otras razones relacionadas con la producci\u00f3n de fundici\u00f3n y laminaci\u00f3n de aluminio, a menudo es necesario extraer el rotor, a\u00fan al rojo vivo, del aluminio fundido y exponerlo al aire. Por lo tanto, se requiere que el material de grafito del rotor tenga una alta resistencia mec\u00e1nica y a la erosi\u00f3n, as\u00ed como una buena resistencia a la oxidaci\u00f3n y a la corrosi\u00f3n.<\/p>","protected":false},"excerpt":{"rendered":"

With the rapid development of aluminum processing technology, the quality requirements for aluminum products are getting higher and higher. How to better purify the aluminum…<\/p>","protected":false},"author":1,"featured_media":9839,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[12341,659,324,4315,4313],"class_list":["post-9838","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-degassing-unit","tag-aluminum-dgeassing","tag-degassing-box","tag-degassing-system","tag-graphite-rotor","tag-metal-degassing"],"yoast_head":"\nAluminum Degassing Box -sales@alalloycasting.com<\/title>\n<meta name=\"description\" content=\"The key equipment for the bubble floatation method to purify molten aluminum is the degassing box, and the graphite rotor is the main part.\" \/>\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\/aluminum-degassing-box\/\" \/>\n<meta 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