{"id":5080,"date":"2020-09-25T06:00:25","date_gmt":"2020-09-25T06:00:25","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=5080"},"modified":"2021-02-01T08:29:20","modified_gmt":"2021-02-01T08:29:20","slug":"liquid-aluminum-refining","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/liquid-aluminum-refining\/","title":{"rendered":"Refinado de aluminio l\u00edquido"},"content":{"rendered":"<p>El objetivo del refinado del aluminio l\u00edquido es eliminar la escoria y los gases. El agente refinador produce una serie de compuestos o gases mediante una reacci\u00f3n qu\u00edmica espec\u00edfica con el aluminio fundido, lo que contribuye a la desgasificaci\u00f3n y a la formaci\u00f3n de escoria. Los componentes principales del agente refinador son CL\u207b, K\u207a, Na\u207a, AlF\u2083\u207b, CO\u2083\u207b, etc. Existen agentes de depuraci\u00f3n que se centran en la desgasificaci\u00f3n y otros que se centran en la eliminaci\u00f3n de escoria. Por lo general, se trata de un tipo com\u00fan que combina la eliminaci\u00f3n de escoria y la desgasificaci\u00f3n. <a href=\"http:\/\/www.alalloycasting.com\/es\/refining-flux\/\">agente refinador<\/a>. Cuando la temperatura del aluminio fundido alcanza los 720-730 \u2103, el agente de refinado y el eliminador de escoria se inyectan de manera uniforme en el aluminio fundido en distintos puntos con nitr\u00f3geno de alta pureza (contenido de nitr\u00f3geno del 99,99%) a trav\u00e9s del dispositivo de refinado, con el fin de que la escoria presente en el l\u00edquido flote hasta la superficie del aluminio fundido para su extracci\u00f3n. Para mejorar el efecto de desgasificaci\u00f3n durante el refinado del aluminio l\u00edquido, se a\u00f1ade hexacloroetano tamizado durante el proceso de refinado y se mantiene durante 5-8 minutos. Al utilizar el agente refinador, hay que prestar especial atenci\u00f3n y no permitir en ning\u00fan caso que el agente refinador h\u00famedo entre en contacto con el aluminio l\u00edquido.<\/p>\n<p>La mayor\u00eda de las herramientas de fundici\u00f3n son de hierro, como crisoles, rastrillos de hierro, campanas de fundici\u00f3n, cucharones, cucharas de muestreo, etc. Si estos utensilios de hierro no se tratan ni se precalientan, aumentar\u00e1 el contenido de hierro en el aluminio fundido y, al mismo tiempo, aumentar\u00e1n los gases y las inclusiones en el aluminio fundido debido a la corrosi\u00f3n de este provocada por la absorci\u00f3n de vapor de agua. Por lo tanto, las herramientas de fundici\u00f3n deben desengrasarse, desoxidarse y pintarse antes de su uso (v\u00e9ase la tabla 1 para la f\u00f3rmula del recubrimiento). Las herramientas pintadas deben secarse completamente.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5116\" src=\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2020\/09\/Liquid-Aluminum-Refining-1.jpg\" alt=\"Refinado de aluminio l\u00edquido\" width=\"500\" height=\"400\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/09\/Liquid-Aluminum-Refining-1.jpg 500w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/09\/Liquid-Aluminum-Refining-1-300x240.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>El horno de fusi\u00f3n y colada se utiliza desde hace mucho tiempo. La acumulaci\u00f3n de escoria en las paredes y el fondo del horno afecta a la absorci\u00f3n de los aditivos met\u00e1licos y a las tareas de desgasificaci\u00f3n y eliminaci\u00f3n de escoria, y puede provocar f\u00e1cilmente defectos como una composici\u00f3n de la aleaci\u00f3n no conforme, lingotes sueltos e inclusiones de escoria; por ello, se recomienda utilizar un producto de limpieza cada semana o realizar una limpieza manual cada 10 hornadas.<\/p>","protected":false},"excerpt":{"rendered":"<p>The purpose of liquid aluminum refining is to remove slag and gas. The refining agent produces a number of compounds or gases through a certain&hellip;<\/p>","protected":false},"author":1,"featured_media":5115,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-5080","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>Liquid Aluminum Refining by Refining Agent in Furnace<\/title>\n<meta name=\"description\" content=\"The purpose of liquid aluminum refining is to remove slag and gas. 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