{"id":3363,"date":"2018-05-31T07:42:58","date_gmt":"2018-05-31T07:42:58","guid":{"rendered":"http:\/\/www.adtechamm.com\/?p=3363"},"modified":"2018-05-31T07:42:58","modified_gmt":"2018-05-31T07:42:58","slug":"rio-tinto-alcan-news","status":"publish","type":"post","link":"https:\/\/www.adtechamm.com\/es\/rio-tinto-alcan-news\/","title":{"rendered":"Noticias de Rio Tinto Alcan: M\u00e1quina de desgasificaci\u00f3n de aluminio"},"content":{"rendered":"<p>Noticias de Rio Tinto Alcan: M\u00e1quina de desgasificaci\u00f3n de aluminio<\/p>\n<p>La desgasificaci\u00f3n rotativa se basa en el principio de aumentar la superficie del gas de inyecci\u00f3n que entra en contacto con el metal.<br \/>\nUna mayor superficie aumenta la velocidad de transferencia del metal al gas inerte.<br \/>\nCuanto menor sea el tama\u00f1o de las burbujas para un volumen determinado de gas, mayor ser\u00e1 su superficie.<br \/>\nPor ejemplo, una burbuja de gas de 1 pulgada de di\u00e1metro tiene una superficie de 6 pulgadas cuadradas.<br \/>\nSi esa misma burbuja se divide en burbujas de 1\/16\u201d de di\u00e1metro, la superficie aumenta hasta alcanzar las 96 pulgadas cuadradas.<br \/>\nEn otras palabras, si se utiliza el mismo volumen de gas y el di\u00e1metro de las burbujas se reduce a 1\/16 del di\u00e1metro original, la superficie total se multiplica por 16.<br \/>\nLas burbujas m\u00e1s peque\u00f1as alteran menos la superficie del material fundido, lo que reduce la absorci\u00f3n adicional de hidr\u00f3geno procedente de atm\u00f3sferas h\u00famedas.<\/p>\n<p>Noticias de Rio Tinto Alcan: M\u00e1quina de desgasificaci\u00f3n de aluminio<br \/>\nSe recomienda utilizar esta unidad de desgasificaci\u00f3n con nitr\u00f3geno seco o arg\u00f3n. No se puede garantizar la compatibilidad con gases especiales.<br \/>\nTodas las piezas de la unidad expuestas al gas, excepto la lanza de grafito, son de acero inoxidable o de Buna-N (juntas).<br \/>\nEs habitual que el tiempo de desgasificaci\u00f3n de un crisol de 400 libras sea de cuatro minutos cuando se utiliza nitr\u00f3geno gaseoso.<br \/>\nNo hay ninguna raz\u00f3n pr\u00e1ctica para utilizar gases especiales caros (que cuestan hasta $500 por botella) cuando una botella de nitr\u00f3geno de $20 cumple la misma funci\u00f3n. Adem\u00e1s, el nitr\u00f3geno gaseoso no produce emisiones t\u00f3xicas.<\/p>\n<p><img class=\"alignnone size-full wp-image-3364\" src=\"http:\/\/www.adtechamm.com\/wp-content\/uploads\/2018\/05\/Rio-Tinto-Alcan-News.jpg\" alt=\"Noticias de Rio Tinto Alcan\" width=\"800\" height=\"600\" srcset=\"https:\/\/www.adtechamm.com\/wp-content\/uploads\/2018\/05\/Rio-Tinto-Alcan-News.jpg 800w, https:\/\/www.adtechamm.com\/wp-content\/uploads\/2018\/05\/Rio-Tinto-Alcan-News-300x225.jpg 300w, https:\/\/www.adtechamm.com\/wp-content\/uploads\/2018\/05\/Rio-Tinto-Alcan-News-768x576.jpg 768w, https:\/\/www.adtechamm.com\/wp-content\/uploads\/2018\/05\/Rio-Tinto-Alcan-News-700x525.jpg 700w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p class=\"entry_title\"><a title=\"Desgasificaci\u00f3n del aluminio en la fundici\u00f3n de Alcan\" href=\"http:\/\/www.adtechamm.com\/es\/2018\/05\/31\/alcan-smelter\/\">Desgasificaci\u00f3n del aluminio en la fundici\u00f3n de Alcan<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Rio Tinto Alcan News Aluminum Degassing Machine Rotary degassing works on the principle of increasing the surface area of an insert gas exposed to the metal. The larger surface area increases the rate of transfer from metal to the inert gas. The smaller the bubble&#8230;<\/p>","protected":false},"author":1,"featured_media":3364,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[52],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Rio Tinto Alcan News Aluminum Degassing Machine<\/title>\n<meta name=\"description\" content=\"Rio Tinto Alcan News Aluminum Degassing Machine This degassing unit is recommended for dry nitrogen or argon. Compatibility with specialty....\" \/>\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.adtechamm.com\/es\/rio-tinto-alcan-news\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Rio Tinto Alcan News Aluminum Degassing Machine\" \/>\n<meta property=\"og:description\" content=\"Rio Tinto Alcan News Aluminum Degassing Machine This degassing unit is recommended for dry nitrogen or argon. 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