{"id":9925,"date":"2021-08-17T03:22:10","date_gmt":"2021-08-17T03:22:10","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=9925"},"modified":"2021-08-17T03:22:10","modified_gmt":"2021-08-17T03:22:10","slug":"refining-agent-purification","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/refining-agent-purification\/","title":{"rendered":"Purificaci\u00f3n del agente refinador"},"content":{"rendered":"<p>La purificaci\u00f3n integral mediante agentes de refinado y la filtraci\u00f3n CFF es la tecnolog\u00eda de purificaci\u00f3n del aluminio fundido que utilizan habitualmente la mayor\u00eda de las empresas de transformaci\u00f3n del aluminio. Este proceso integra de forma exhaustiva las ventajas de desgasificaci\u00f3n y eliminaci\u00f3n de escoria de los m\u00e9todos de purificaci\u00f3n FILD, MINT, SNIF y otros, y, gracias a sus bajos costes de purificaci\u00f3n y a la facilidad de su manejo en la producci\u00f3n, ha dado lugar a una excelente calidad de fundici\u00f3n.<\/p>\n<p>Dado que la tecnolog\u00eda de purificaci\u00f3n integral de <a href=\"http:\/\/www.alalloycasting.com\/es\/refining-agent\/\">agente refinador<\/a> y <a href=\"http:\/\/www.alalloycasting.com\/es\/cff-filtration\/\">Filtraci\u00f3n CFF<\/a> se compone de tres procesos: agente refinador, gas y filtraci\u00f3n.<\/p>\n<p>La purificaci\u00f3n mediante un agente de refinado consiste en inyectar el agente de refinado auxiliar en el aluminio fundido utilizando gas como veh\u00edculo, con el fin de lograr la desgasificaci\u00f3n y la eliminaci\u00f3n de escoria mediante adsorci\u00f3n, disoluci\u00f3n y reacci\u00f3n qu\u00edmica. En este proceso de purificaci\u00f3n, el gas act\u00faa como veh\u00edculo para transportar el agente de refinado y, adem\u00e1s, cumple la funci\u00f3n de eliminar la escoria.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-9795\" src=\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2021\/08\/Aluminum-Foundry-Degassing.jpg\" alt=\"\" width=\"500\" height=\"400\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/08\/Aluminum-Foundry-Degassing.jpg 500w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/08\/Aluminum-Foundry-Degassing-300x240.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>En la superficie del aluminio fundido suele haber una densa pel\u00edcula de \u00f3xido en la superficie interna, lo que dificulta enormemente la salida del hidr\u00f3geno del aluminio fundido. Dado que el agente refinador puede romper la pel\u00edcula de \u00f3xido de la superficie del fundido en part\u00edculas finas y adsorberlas y disolverlas, el hidr\u00f3geno del aluminio fundido puede escapar f\u00e1cilmente a la atm\u00f3sfera. Al mismo tiempo, el agente refinador adsorbe y disuelve las inclusiones de Al\u2082O\u2083 presentes en el aluminio fundido, y elimina la humedad adsorbida en el Al\u2082O\u2083. Adem\u00e1s, el agente refinador reacciona qu\u00edmicamente en el aluminio fundido, generando un gas que es insoluble en este. Las burbujas inertes expulsan conjuntamente el hidr\u00f3geno y las inclusiones no met\u00e1licas de la superficie del aluminio fundido, con lo que se logra el objetivo de purificar el aluminio fundido. Este es el principio de purificaci\u00f3n del agente refinador.<\/p>\n<p>El proceso de purificaci\u00f3n y los puntos de control del agente de refinado son los siguientes: utilizando nitr\u00f3geno puro al 99,991 % (TP3T), el agente de refinado de alta calidad se inyecta en el fondo del ba\u00f1o de fundido de forma uniforme y constante a trav\u00e9s del dep\u00f3sito de refinado (la profundidad de inyecci\u00f3n no debe ser inferior a 300 mm), y el tiempo de inyecci\u00f3n es de 20 a 30 minutos. La cantidad de agente refinador es de 1,5 a 2 kg por tonelada de fundido, y la altura del remolino y las salpicaduras del fundido de aluminio durante el refinado es, por lo general, de 30 a 50 mm, sin superar los 180 mm. La temperatura del fundido de plomo durante el refinado es de 710-740 \u2103, y la espuma de la superficie del fundido de aluminio se retira tras el refinado.<\/p>","protected":false},"excerpt":{"rendered":"<p>The comprehensive purification of refining agent and CFF filtration is the aluminum melt purification technology commonly used by the majority of aluminum processing enterprises. This&hellip;<\/p>","protected":false},"author":1,"featured_media":9926,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[12358,7383,12363],"class_list":["post-9925","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-aluminum-melt-purification-technology","tag-cff-filtration","tag-refining-agent-purification"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Refining Agent Purification, Aluminum Melt Purification Technology<\/title>\n<meta name=\"description\" content=\"The comprehensive purification of refining agent and CFF filtration is the aluminum melt purification technology commonly used.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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