{"id":10545,"date":"2021-10-12T08:46:48","date_gmt":"2021-10-12T08:46:48","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=10545"},"modified":"2021-10-12T08:46:48","modified_gmt":"2021-10-12T08:46:48","slug":"melting-furnace-fluxes","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/pt\/melting-furnace-fluxes\/","title":{"rendered":"Fluxos para fornos de fus\u00e3o"},"content":{"rendered":"

Os fundentes para fornos de fus\u00e3o apresentam-se na forma de compostos salinos, que s\u00e3o utilizados para purificar os materiais durante a fus\u00e3o e impedir uma maior oxida\u00e7\u00e3o.<\/p>\n

A qualidade dos lingotes de alum\u00ednio fundido depende, em grande parte, da pureza do material.<\/p>\n

O alum\u00ednio pode ser processado de duas maneiras. O alum\u00ednio bruto \u00e9 recuperado a partir da extra\u00e7\u00e3o da bauxita ou da reciclagem. Considerando que a produ\u00e7\u00e3o de alum\u00ednio reciclado requer apenas 5% da energia necess\u00e1ria para produzir alum\u00ednio prim\u00e1rio, a capacidade de recuperar o alum\u00ednio representa um grande benef\u00edcio. O alum\u00ednio reciclado \u00e9 frequentemente chamado de alum\u00ednio reciclado.<\/p>\n

A fundi\u00e7\u00e3o produz lingotes de alum\u00ednio reciclado a partir de res\u00edduos. O produto final \u00e9 ent\u00e3o transportado para a unidade de extrus\u00e3o da empresa, onde \u00e9 transformado em perfis. Durante a extrus\u00e3o, algumas partes do perfil podem apresentar defeitos e n\u00e3o ter as caracter\u00edsticas ou a forma exigidas. Essas pe\u00e7as s\u00e3o ent\u00e3o devolvidas para serem refundidas.<\/p>\n

Como os lingotes ser\u00e3o utilizados para extrus\u00e3o, eles precisam atender a alguns padr\u00f5es de qualidade. \u00c9 necess\u00e1rio que apresentem ductilidade suficiente para preservar a prensa e seus componentes. Se a qualidade do lingote for insatisfat\u00f3ria, a ferramenta de prensagem poder\u00e1 ser danificada, o que levar\u00e1 \u00e0 interrup\u00e7\u00e3o da produ\u00e7\u00e3o. Al\u00e9m disso, o tarugo de baixa qualidade tamb\u00e9m pode causar arranh\u00f5es na superf\u00edcie do perfil durante a extrus\u00e3o. O tarugo deve estar livre de inclus\u00f5es e impurezas n\u00e3o met\u00e1licas para evitar tais acidentes e mant\u00ea-lo em boas condi\u00e7\u00f5es.<\/p>\n

\"Fluxos<\/p>\n

A melhor maneira de manter o material o mais limpo poss\u00edvel, sem inclus\u00f5es e impurezas, \u00e9 remov\u00ea-las da massa fundida durante a produ\u00e7\u00e3o. Podem-se utilizar fundentes para fornos de fus\u00e3o a fim de remover inclus\u00f5es da massa fundida de alum\u00ednio. O fluxo de refino<\/a> tamb\u00e9m \u00e9 utilizado para proteger a massa fundida contra uma maior oxida\u00e7\u00e3o, formando uma fina camada na superf\u00edcie entre a massa fundida e o oxig\u00eanio. Outra fun\u00e7\u00e3o do fundente \u00e9 recuperar o alum\u00ednio arrastado da fase de esc\u00f3ria e obter um maior rendimento de alum\u00ednio.<\/p>","protected":false},"excerpt":{"rendered":"

Melting furnace fluxes exist in the form of salt compounds, which are used to purify materials during melting and prevent further oxidation. The quality of…<\/p>","protected":false},"author":1,"featured_media":10546,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[120],"tags":[],"class_list":["post-10545","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fluxes"],"yoast_head":"\nMelting Furnace Fluxes for Improving Aluminium Cast Billets Quality<\/title>\n<meta name=\"description\" content=\"Melting Furnace Fluxes are in form of salt compounds, they are used to purify the material during melting, protect it from further oxidation.\" \/>\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\/melting-furnace-fluxes\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" 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