{"id":9539,"date":"2021-07-10T07:47:53","date_gmt":"2021-07-10T07:47:53","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=9539"},"modified":"2021-07-09T07:55:25","modified_gmt":"2021-07-09T07:55:25","slug":"aluminum-melt-refining-in-furnace","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/pt\/aluminum-melt-refining-in-furnace\/","title":{"rendered":"Refinamento de alum\u00ednio fundido em forno"},"content":{"rendered":"<p>A refina\u00e7\u00e3o do alum\u00ednio fundido no forno \u00e9 realizada em duas etapas:<\/p>\n<p>A primeira etapa \u00e9 o pr\u00e9-refinamento no forno de fus\u00e3o. Quando a composi\u00e7\u00e3o qu\u00edmica e a temperatura da liga de alum\u00ednio l\u00edquida no forno de fus\u00e3o atendem aos requisitos, o g\u00e1s arg\u00f4nio de alta pureza \u00e9 utilizado como ve\u00edculo para introduzir o agente de refino na massa fundida de alum\u00ednio, a fim de realizar o pr\u00e9-refino e remover a maior parte das inclus\u00f5es de \u00f3xido e do hidrog\u00eanio dissolvido na massa fundida.<\/p>\n<p>A segunda etapa \u00e9 a refina\u00e7\u00e3o no forno de manuten\u00e7\u00e3o. Quando o metal fundido \u00e9 introduzido no forno de manuten\u00e7\u00e3o, ap\u00f3s a temperatura atingir o valor exigido, o g\u00e1s arg\u00f4nio de alta pureza \u00e9 utilizado como ve\u00edculo para injetar o agente de refino no metal fundido de alum\u00ednio, e o tubo de refino \u00e9 movido para frente e para tr\u00e1s em diferentes partes do metal fundido para garantir a uniformidade do processo de refino.<\/p>\n<p>Durante o processo de refino, a press\u00e3o do g\u00e1s de refino deve ser ajustada, assim como a profundidade de imers\u00e3o do tubo de refino no alum\u00ednio fundido. Tamb\u00e9m \u00e9 necess\u00e1rio controlar para garantir que a altura de proje\u00e7\u00e3o do alum\u00ednio fundido seja inferior a 50 mm, e a forma\u00e7\u00e3o de esc\u00f3ria por oxida\u00e7\u00e3o e a absor\u00e7\u00e3o de g\u00e1s pela liga fundida durante o processo de refino devem ser reduzidas ao m\u00ednimo.<\/p>\n<p>Ap\u00f3s a conclus\u00e3o do processo de refino, o agente de escoria\u00e7\u00e3o calculado previamente \u00e9 adicionado ao l\u00edquido da liga; a esc\u00f3ria \u00e9 agitada e a solu\u00e7\u00e3o \u00e9 coberta com um agente de cobertura isento de s\u00f3dio e c\u00e1lcio. Ap\u00f3s um repouso de 15 a 20 minutos, o lingote redondo de liga de alum\u00ednio est\u00e1 pronto para ser fundido.<\/p>\n<p>A AdTech dedica-se \u00e0 pesquisa e desenvolvimento, produ\u00e7\u00e3o e comercializa\u00e7\u00e3o de fundentes para o refino de alum\u00ednio fundido. Os fundentes da AdTech utilizam uma tecnologia exclusiva para aprimorar o efeito tradicional de desgaseifica\u00e7\u00e3o e remo\u00e7\u00e3o de esc\u00f3ria, e essa tecnologia \u00e9 aplicada ao processo de refino em forno.<\/p>\n<p>AdTech<a href=\"http:\/\/www.alalloycasting.com\/pt\/fluxes-for-aluminum-melting\/\"> fundentes para a fus\u00e3o de alum\u00ednio<\/a> s\u00e3o livres de fuma\u00e7a e poeira quando instalados, melhorando o ambiente de produ\u00e7\u00e3o dos funcion\u00e1rios e protegendo sua sa\u00fade. Os fluxos para fundi\u00e7\u00e3o de alum\u00ednio da AdTech eliminam completamente a corros\u00e3o dos equipamentos da f\u00e1brica e reduzem os custos ocultos. Mant\u00eam o forno, o canal de fundi\u00e7\u00e3o e os equipamentos de desgaseifica\u00e7\u00e3o em linha livres de ac\u00famulo de esc\u00f3ria. Reduzem significativamente a carga dos equipamentos de remo\u00e7\u00e3o de poeira dos gases de combust\u00e3o e diminuem o custo operacional dos equipamentos de prote\u00e7\u00e3o ambiental. O efeito de separa\u00e7\u00e3o entre a esc\u00f3ria e o alum\u00ednio \u00e9 bom, o que pode reduzir consideravelmente o teor de alum\u00ednio na esc\u00f3ria.<\/p>","protected":false},"excerpt":{"rendered":"<p>The aluminum melt refining in furnace is carried out in two steps: The first step is pre-refining in the melting furnace. When the chemical composition&hellip;<\/p>","protected":false},"author":1,"featured_media":9540,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-9539","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>Aluminum Melt Refining in Furnace, Fluxes for Aluminum Melting<\/title>\n<meta name=\"description\" content=\"During the aluminum melt refining in furnace process, the refining gas is immersed into the molten aluminum by the refining tube.\" \/>\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\/pt\/aluminum-melt-refining-in-furnace\/\" \/>\n<meta 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