{"id":10819,"date":"2021-10-23T07:53:27","date_gmt":"2021-10-23T07:53:27","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=10819"},"modified":"2021-10-22T08:02:26","modified_gmt":"2021-10-22T08:02:26","slug":"aluminum-liquid-refining-flux","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/pt\/aluminum-liquid-refining-flux\/","title":{"rendered":"Fluxo para refino de alum\u00ednio l\u00edquido"},"content":{"rendered":"<p>Quando o fluxo de refino desempenha principalmente uma fun\u00e7\u00e3o protetora, deve-se selecionar um cloreto de sal que seja inerte ao alum\u00ednio l\u00edquido. Quando o objetivo principal for a purifica\u00e7\u00e3o por desgaseifica\u00e7\u00e3o, deve-se selecionar um fluxo de refino que reaja efetivamente com o alum\u00ednio l\u00edquido para gerar subst\u00e2ncias gasosas. Quando for utilizado principalmente para eliminar inclus\u00f5es, a capacidade de descarga de esc\u00f3ria do agente de refino deve ser levada em considera\u00e7\u00e3o de forma completa.<\/p>\n<p>Os sais de cloreto comumente utilizados na produ\u00e7\u00e3o incluem cloreto de zinco, cloreto de mangan\u00eas, cloreto de pot\u00e1ssio, cloreto de s\u00f3dio, hexacloroetano, tetracloreto de carbono, etc., que podem ser utilizados isoladamente ou em combina\u00e7\u00e3o. Se for necess\u00e1rio que o agente de refino n\u00e3o apenas purifique, mas tamb\u00e9m modifique ou refine os gr\u00e3os cristalinos, pode-se utilizar um agente de refino composto, formado pela adi\u00e7\u00e3o de agentes de modifica\u00e7\u00e3o e de refino, para atingir o objetivo de um tratamento abrangente do alum\u00ednio fundido.<\/p>\n<p>Ao selecionar a composi\u00e7\u00e3o do agente de refino do alum\u00ednio l\u00edquido, al\u00e9m das propriedades f\u00edsicas do <a href=\"http:\/\/www.alalloycasting.com\/pt\/refining-agent\/\">agente refinador<\/a> (tais como ponto de fus\u00e3o, viscosidade, tens\u00e3o superficial, densidade, volatilidade etc.), as caracter\u00edsticas da intera\u00e7\u00e3o qu\u00edmica entre o agente refinador, o metal e o meio gasoso tamb\u00e9m devem ser consideradas, de modo que ele possua forte capacidade de absorver e dissolver inclus\u00f5es, um baixo ponto de fus\u00e3o e bom desempenho na separa\u00e7\u00e3o entre esc\u00f3ria e alum\u00ednio. Isso permite que certos componentes do agente de refina\u00e7\u00e3o alterem as propriedades do g\u00e1s do forno quando aquecidos e fundidos, de modo a reduzir a oxida\u00e7\u00e3o do alum\u00ednio.<\/p>\n<p><strong>Fun\u00e7\u00e3o do fundente na refina\u00e7\u00e3o de alum\u00ednio l\u00edquido<\/strong><\/p>\n<p>(1) Favorece a remo\u00e7\u00e3o da camada de \u00f3xido na interface entre o alum\u00ednio fundido e o agente de refino, bem como a remo\u00e7\u00e3o de inclus\u00f5es e gases.<br \/>\n(2) \u00c9 f\u00e1cil que ocorra uma rea\u00e7\u00e3o com o alum\u00ednio fundido, o que contribui para a destrui\u00e7\u00e3o da camada de \u00f3xido, e o hidrog\u00eanio pode escapar da superf\u00edcie do alum\u00ednio fundido.<br \/>\n(3) Possui a fun\u00e7\u00e3o de dissolver e adsorver inclus\u00f5es, o que contribui para a remo\u00e7\u00e3o dessas inclus\u00f5es e dos gases.<\/p>","protected":false},"excerpt":{"rendered":"<p>When the refining flux mainly plays a protective role, the salt-chloride that is inert to the aluminum liquid should be selected. When degassing purification is&hellip;<\/p>","protected":false},"author":1,"featured_media":10823,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-10819","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 Liquid Refining Flux -sales@alalloycasting.com<\/title>\n<meta name=\"description\" content=\"When the refining flux mainly plays a protective role, the salt-chloride that is inert to the aluminum liquid should be selected.\" \/>\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-liquid-refining-flux\/\" \/>\n<meta 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