{"id":5437,"date":"2020-10-09T08:42:41","date_gmt":"2020-10-09T08:42:41","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=5437"},"modified":"2020-10-09T08:42:41","modified_gmt":"2020-10-09T08:42:41","slug":"aluminum-liquid-purification-methods","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/aluminum-liquid-purification-methods\/","title":{"rendered":"M\u00e9todos de purificaci\u00f3n del aluminio l\u00edquido"},"content":{"rendered":"

Es m\u00e1s importante utilizar m\u00e9todos adecuados de purificaci\u00f3n del aluminio l\u00edquido, con el fin de eliminar los poros y las inclusiones en las piezas de fundici\u00f3n de aluminio.<\/p>\n

Es necesario seleccionar la carga del horno que se utilizar\u00e1 para la fusi\u00f3n y evitar que el vapor y diversas impurezas entren en el horno. El agente de refinado se utiliza para purificar el aluminio fundido con el fin de eliminar las inclusiones de hidr\u00f3geno y \u00f3xido presentes en \u00e9l. Es decir, el hidr\u00f3geno del aluminio fundido puede disolverse parcial o totalmente en la estructura de la aleaci\u00f3n durante la solidificaci\u00f3n, de modo que no quede presente en la pieza fundida en forma de poros.<\/p>\n

Al utilizar procesos como la fundici\u00f3n en molde met\u00e1lico, la fundici\u00f3n a presi\u00f3n, la fundici\u00f3n a baja presi\u00f3n, la fundici\u00f3n por compresi\u00f3n y otros, incluso el aluminio fundido de baja calidad puede dar lugar a piezas fundidas que cumplan los requisitos y no presenten poros. Es necesario organizar y aplicar adecuadamente las medidas del proceso de purificaci\u00f3n del aluminio l\u00edquido, y ponerlas en pr\u00e1ctica en las operaciones espec\u00edficas de fundici\u00f3n.<\/p>\n

La experiencia ha demostrado que, si la carga del horno contiene muchas inclusiones y las herramientas de trabajo est\u00e1n h\u00famedas y sucias, el resultado ser\u00e1 m\u00ednimo, incluso si se utiliza el mejor m\u00e9todo de refinado. La elecci\u00f3n de un m\u00e9todo de refinado adecuado es la clave para eliminar las inclusiones de gas y \u00f3xido del aluminio fundido y lograr el objetivo de purificarlo.<\/p>\n

\"M\u00e9todos<\/p>\n

Hoy en d\u00eda existen numerosos m\u00e9todos de purificaci\u00f3n de aluminio l\u00edquido. Seg\u00fan su mecanismo de acci\u00f3n, se dividen b\u00e1sicamente en dos categor\u00edas: la primera es el refinado por adsorci\u00f3n, que consiste en utilizar sales de cloruro y otros fundentes, o en la liberaci\u00f3n de cloro y nitr\u00f3geno (lo que se conoce como m\u00e9todo de flotaci\u00f3n). Se utilizan medios activos o inactivos para la filtraci\u00f3n ( Filtraci\u00f3n CFF<\/a> m\u00e9todo). La segunda categor\u00eda es el refinado sin adsorci\u00f3n: el uso de la fusi\u00f3n al vac\u00edo, el tratamiento al vac\u00edo, el tratamiento ultras\u00f3nico, etc. Si se utilizan dos o m\u00e1s m\u00e9todos de refinado al mismo tiempo, se denomina refinado combinado. El refinado sin adsorci\u00f3n mencionado anteriormente requiere equipos, como un dispositivo de vac\u00edo, lo que dificulta su uso generalizado. Por lo tanto, actualmente la atenci\u00f3n sigue centrada en la selecci\u00f3n de agentes de refinado para el refinado por adsorci\u00f3n y en el m\u00e9todo de adici\u00f3n de aluminio fundido, con el fin de investigar y debatir c\u00f3mo obtener mejores resultados.<\/p>","protected":false},"excerpt":{"rendered":"

It is more important to use suitable aluminum liquid purification methods, so as to eliminate pores and inclusions in aluminum castings. It is necessary to…<\/p>","protected":false},"author":1,"featured_media":5438,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-5437","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"\nAluminum Liquid Purification Methods - Refining and Filtration<\/title>\n<meta name=\"description\" content=\"It is more important to use suitable aluminum liquid purification methods, so as to eliminate pores and inclusions in aluminum castings.\" \/>\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-liquid-purification-methods\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" 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