{"id":9954,"date":"2021-08-18T06:22:02","date_gmt":"2021-08-18T06:22:02","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=9954"},"modified":"2021-08-18T06:22:02","modified_gmt":"2021-08-18T06:22:02","slug":"online-refining-methods","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/pt\/online-refining-methods\/","title":{"rendered":"M\u00e9todos de refino on-line"},"content":{"rendered":"<p>Os m\u00e9todos de refino em linha fora do forno incluem o m\u00e9todo MINT, o m\u00e9todo SNIF, o m\u00e9todo ALPUR, o m\u00e9todo FILD e assim por diante. A maioria desses m\u00e9todos de purifica\u00e7\u00e3o por refino em linha combina estreitamente a desgaseifica\u00e7\u00e3o e a purifica\u00e7\u00e3o por filtra\u00e7\u00e3o.<\/p>\n<p>Os m\u00e9todos SNIF e ALPUR utilizam um rotor girat\u00f3rio para injetar g\u00e1s, formando pequenas bolhas uniformemente dispersas na massa fundida. O tempo m\u00e9dio de perman\u00eancia \u00e9 de cerca de 3 minutos. O grau de mecaniza\u00e7\u00e3o e automa\u00e7\u00e3o do <a href=\"http:\/\/www.alalloycasting.com\/pt\/on-line-purification-device\/\">dispositivo de purifica\u00e7\u00e3o online<\/a> desenvolvido na China nos \u00faltimos anos vem sendo aprimorado continuamente. O efeito de purifica\u00e7\u00e3o \u00e9 compar\u00e1vel ao dos equipamentos importados, o pre\u00e7o \u00e9 baixo e ele pode substituir completamente os equipamentos importados.<\/p>\n<p>O princ\u00edpio do m\u00e9todo de refino ALPUR \u00e9 basicamente o mesmo do m\u00e9todo SNIF. A principal raz\u00e3o \u00e9 que o misturador possui uma estrutura especial. O bocal pode agitar a liga fundida ao mesmo tempo em que a faz entrar no bocal. O efeito de agita\u00e7\u00e3o dos seis impulsores rotativos aumenta significativamente as oportunidades de contato e intera\u00e7\u00e3o entre a liga fundida e o g\u00e1s de refino. Dessa forma, o efeito de purifica\u00e7\u00e3o por refino \u00e9 significativamente aprimorado. A capacidade de purifica\u00e7\u00e3o pode atingir 5 a 35 t\/h, o consumo de g\u00e1s \u00e9 de 0,6 a 0,8 L\/kgAl, a efici\u00eancia de remo\u00e7\u00e3o de \u00f3xidos e outras impurezas n\u00e3o met\u00e1licas pode chegar a mais de 80%, e a efici\u00eancia de desgaseifica\u00e7\u00e3o \u00e9 geralmente de 60% a 65%. O efeito da remo\u00e7\u00e3o de esc\u00f3ria e metais alcalinos tamb\u00e9m \u00e9 muito bom.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-9956\" src=\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2021\/08\/AdTech-Degassing-Unit.jpg\" alt=\"Unidade de desgaseifica\u00e7\u00e3o AdTech\" width=\"500\" height=\"400\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/08\/AdTech-Degassing-Unit.jpg 500w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/08\/AdTech-Degassing-Unit-300x240.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>Vaz\u00e3o m\u00e1xima de desgaseifica\u00e7\u00e3o do AdTech <a href=\"http:\/\/www.alalloycasting.com\/pt\/degassing-unit\/\">Unidade de desgaseifica\u00e7\u00e3o<\/a> \u00e9 de 15 a 65 MT\/h. A efici\u00eancia m\u00e9dia de desgaseifica\u00e7\u00e3o \u00e9 de 601 TP3T. Se for utilizado Ar e o teor de Mg for \u226411 TP3T, a efici\u00eancia pode chegar a 0,09 cc\/100 g.<\/p>\n<p>Nossa unidade de desgaseifica\u00e7\u00e3o online \u00e9 utilizada principalmente para a remo\u00e7\u00e3o de hidrog\u00eanio (H) e esc\u00f3rias do alum\u00ednio fundido.<\/p>\n<p>O processo se baseia no princ\u00edpio da flota\u00e7\u00e3o a g\u00e1s. O rotor injeta g\u00e1s inerte ou uma mistura de cloro e g\u00e1s inerte no alum\u00ednio fundido e fragmenta o g\u00e1s em min\u00fasculas bolhas dispersas; as bolhas sobem at\u00e9 a superf\u00edcie do alum\u00ednio fundido e, ao mesmo tempo, realizam os procedimentos descritos a seguir:<\/p>\n<p>O H est\u00e1 sendo absorvido pelas bolhas e est\u00e1 sendo removido.<br \/>\nO cloreto \u00e9 removido (formado por rea\u00e7\u00e3o qu\u00edmica entre um metal alcalino e o g\u00e1s cloro).<br \/>\nRemova as esc\u00f3rias.<\/p>","protected":false},"excerpt":{"rendered":"<p>The online refining methods outside the furnace include the MINT method, SNIF method, ALPUR method, FILD method, and so on. Most of these online refining&hellip;<\/p>","protected":false},"author":1,"featured_media":9955,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[12374,19,12375,12372,12371,12373],"class_list":["post-9954","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-alpur-method","tag-degassing-unit","tag-fild-method","tag-mint-method","tag-online-refining-method","tag-snif-method"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Online Refining Methods for Molten Aluminum, AdTech Degassing Unit<\/title>\n<meta name=\"description\" content=\"The online refining methods outside the furnace include the MINT method, SNIF method, ALPUR method, FILD method, and so on.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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