{"id":11184,"date":"2021-11-13T08:16:22","date_gmt":"2021-11-13T08:16:22","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=11184"},"modified":"2021-11-12T08:20:13","modified_gmt":"2021-11-12T08:20:13","slug":"fluxes-for-purifying-aluminium","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/fluxes-for-purifying-aluminium\/","title":{"rendered":"Fundentes para la purificaci\u00f3n del aluminio"},"content":{"rendered":"<p>La eliminaci\u00f3n de impurezas mediante fundentes es un m\u00e9todo importante para purificar el aluminio fundido. En la actualidad, existen muchos tipos de fundentes desarrollados y utilizados tanto a nivel nacional como internacional. Adem\u00e1s de los fundentes cuyo objetivo principal es eliminar gases e impurezas, tambi\u00e9n existen otros tipos de fundentes, como los agentes de recubrimiento y los agentes de limpieza de escoria. Seg\u00fan el objetivo de la purificaci\u00f3n, los purificadores de aluminio fundido se dividen en tres categor\u00edas: purificadores de gases, fundentes para la eliminaci\u00f3n de impurezas y fundentes de purificaci\u00f3n.<\/p>\n<p>Durante el proceso de fundici\u00f3n del aluminio y sus aleaciones, se producen contaminantes como las inclusiones de \u00f3xido (AlO\u2083) y el hidr\u00f3geno, que afectan a la pureza del material fundido y dan lugar a defectos tales como burbujas, poros e inclusiones sueltas en el lingote, lo que afecta directamente a las propiedades inherentes de los materiales de aluminio y aleaciones de aluminio. Por lo tanto, la eliminaci\u00f3n del gas y las inclusiones del aluminio fundido y la mejora de la pureza de la masa fundida de aluminio constituyen un importante tema de investigaci\u00f3n para la purificaci\u00f3n del aluminio y las aleaciones de aluminio fundidas, adem\u00e1s de ser un problema t\u00e9cnico urgente que debe resolverse en el reciclaje del aluminio.<\/p>\n<p>Por lo general, la aleaci\u00f3n de aluminio fundida contiene entre 0,4 y 0,8 ml\/100 g de Al de hidr\u00f3geno. Tras el desgasificado del aluminio fundido, el nivel avanzado nacional de contenido de hidr\u00f3geno es de 0,15 ml\/100 g de Al, mientras que el nivel avanzado internacional es de 0,10 ml\/100 g de Al. El <a href=\"http:\/\/www.alalloycasting.com\/es\/granular-flux\/\">fundente granular<\/a> Puede hacer que el contenido de hidr\u00f3geno en el aluminio fundido sea inferior a 0,08 mL\/100 g de Al. En el aluminio puro industrial, tras la eliminaci\u00f3n de impurezas, el contenido de inclusiones suele ser superior a 0,1%, y el tama\u00f1o de la mayor\u00eda de las inclusiones es superior a 10 um. Seg\u00fan los est\u00e1ndares internacionales de eliminaci\u00f3n de inclusiones, el contenido de inclusiones en la masa fundida es de 0,02%, y el tama\u00f1o de las inclusiones es inferior a 7 um. Los fundentes utilizados en el m\u00e9todo de purificaci\u00f3n de la masa fundida de aluminio pueden eliminar eficazmente las inclusiones de m\u00e1s de 7 um.<\/p>\n<p>Gracias al desarrollo de la ciencia y la tecnolog\u00eda, el campo de la fundici\u00f3n y purificaci\u00f3n del aluminio ha experimentado un r\u00e1pido avance, y su contenido en hidr\u00f3geno se ha reducido hasta situarse en torno a los 0,10 ml\/100 g de Al. La teor\u00eda de la purificaci\u00f3n del aluminio fundido tambi\u00e9n ha evolucionado desde la teor\u00eda de la flotaci\u00f3n por burbujas hasta el principio de proceso que consiste en eliminar primero las impurezas y, a continuaci\u00f3n, desgasificar, para finalmente aplicar una capa protectora. El proceso de eliminaci\u00f3n del hidr\u00f3geno del aluminio fundido consiste en eliminar directamente el hidr\u00f3geno at\u00f3mico mediante la difusi\u00f3n de \u00e1tomos en el interior del aluminio fundido; adem\u00e1s, en el aluminio fundido deben estar presentes \u00e1tomos que eliminen el hidr\u00f3geno y desoxigenen el material.<\/p>","protected":false},"excerpt":{"rendered":"<p>Impurity removal by fluxes is an important method for purifying aluminium melt. At present, there are many types of fluxes developed and used at home&hellip;<\/p>","protected":false},"author":1,"featured_media":11186,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-11184","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>Fluxes for Purifying Aluminium -sales@alalloycasting.com<\/title>\n<meta name=\"description\" content=\"Impurity removal by fluxes is an important method for purifying aluminium melt. 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