{"id":5673,"date":"2020-10-17T06:51:40","date_gmt":"2020-10-17T06:51:40","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=5673"},"modified":"2020-10-16T09:23:53","modified_gmt":"2020-10-16T09:23:53","slug":"aluminum-purification","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/pt\/aluminum-purification\/","title":{"rendered":"Purifica\u00e7\u00e3o do alum\u00ednio"},"content":{"rendered":"<p>A purifica\u00e7\u00e3o do alum\u00ednio \u00e9 um importante objeto de pesquisa e desenvolvimento na produ\u00e7\u00e3o de fus\u00e3o e fundi\u00e7\u00e3o em empresas do setor de alum\u00ednio.<\/p>\n<p>O m\u00e9todo de desgaseifica\u00e7\u00e3o por bocal rotativo \u00e9 amplamente utilizado, sendo est\u00e1vel, eficaz e confi\u00e1vel, como o dispositivo de desgaseifica\u00e7\u00e3o SNIF, nos Estados Unidos, o dispositivo de desgaseifica\u00e7\u00e3o ALPR, na Fran\u00e7a, e o dispositivo de desgaseifica\u00e7\u00e3o em linha da Adtech, na China.<\/p>\n<p>Esses m\u00e9todos de desgaseifica\u00e7\u00e3o utilizam nitrog\u00eanio ou g\u00e1s de refino. O arg\u00f4nio n\u00e3o s\u00f3 consegue remover com efic\u00e1cia o hidrog\u00eanio do alum\u00ednio fundido, como tamb\u00e9m apresenta boa efic\u00e1cia na remo\u00e7\u00e3o de metais alcalinos ou alcalino-terrosos, al\u00e9m de melhorar a separa\u00e7\u00e3o entre a esc\u00f3ria e o l\u00edquido.<\/p>\n<p>Com o r\u00e1pido desenvolvimento da tecnologia de purifica\u00e7\u00e3o do alum\u00ednio, o principal objetivo de pesquisa e desenvolvimento das principais empresas mundiais de processamento e fundi\u00e7\u00e3o de alum\u00ednio \u00e9 a tecnologia de fus\u00e3o em forno.<\/p>\n<p>A principal linha de desenvolvimento consiste em melhorar continuamente a pureza da massa fundida e buscar constantemente alta efici\u00eancia e pre\u00e7os baixos.<\/p>\n<p>Adtech on-line<a href=\"http:\/\/www.alalloycasting.com\/pt\/degassing-equipment\/\"> equipamento de desgaseifica\u00e7\u00e3o<\/a>\u00a0e <a href=\"http:\/\/www.alalloycasting.com\/pt\/cff-system\/\">Equipamentos de filtragem CFF<\/a> pode atender \u00e0s necessidades de desenvolvimento da tecnologia de purifica\u00e7\u00e3o de alum\u00ednio.<\/p>\n<p>Melhorar o efeito de filtragem e remover de forma eficaz as inclus\u00f5es n\u00e3o met\u00e1licas \u00e9 o foco do desenvolvimento da tecnologia de purifica\u00e7\u00e3o da massa fundida. Os m\u00e9todos acima s\u00e3o muito eficazes e t\u00eam um bom impacto na melhoria da pureza da massa fundida.<\/p>\n<p>Atualmente, muitos pa\u00edses t\u00eam estudado diversos tipos de m\u00e9todos de filtragem por fus\u00e3o, mas h\u00e1 mais pesquisas sobre placas filtrantes de cer\u00e2mica espumosa. Existem muitas novas variedades. A fim de melhorar a precis\u00e3o da filtragem, a densidade dos orif\u00edcios da placa filtrante evoluiu de 50 PPI para 60 PPI. Surgiram as placas de filtragem compostas, ou seja, as placas de filtragem s\u00e3o divididas em duas camadas.<\/p>\n<p>O orif\u00edcio de uma polegada na parte superior \u00e9 grande, e o orif\u00edcio de uma polegada na parte inferior \u00e9 bem pequeno.<\/p>\n<p>As especifica\u00e7\u00f5es das variedades s\u00e3o 30\/50, 30\/60 e 30\/70 PI, e a efici\u00eancia de filtragem da placa de filtro composta \u00e9 maior.<\/p>\n<p>Atualmente, o tratamento abrangente de purifica\u00e7\u00e3o e refinamento do alum\u00ednio l\u00edquido constitui o desafio fundamental para a obten\u00e7\u00e3o de ligas de alum\u00ednio de alta qualidade. De acordo com as diferentes etapas da produ\u00e7\u00e3o, o tratamento de purifica\u00e7\u00e3o do alum\u00ednio l\u00edquido pode ser dividido em tratamento em forno e tratamento externo. De acordo com o mecanismo de purifica\u00e7\u00e3o, o tratamento em forno das ligas de alum\u00ednio \u00e9 dividido em tecnologia de purifica\u00e7\u00e3o por adsor\u00e7\u00e3o e tecnologia de purifica\u00e7\u00e3o sem adsor\u00e7\u00e3o.<\/p>","protected":false},"excerpt":{"rendered":"<p>Aluminum purification is an important research and development object of melting and casting production in aluminum enterprises. Rotary nozzle degassing method is widely used, which&hellip;<\/p>","protected":false},"author":1,"featured_media":5674,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-5673","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 Purification in Melting and Casting Production<\/title>\n<meta name=\"description\" content=\"Aluminum purification is an important research and development object of melting and casting production in aluminum enterprises.\" \/>\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-purification\/\" \/>\n<meta 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