{"id":5235,"date":"2019-06-19T02:25:11","date_gmt":"2019-06-19T02:25:11","guid":{"rendered":"http:\/\/www.adtechamm.com\/?p=5235"},"modified":"2019-06-19T02:25:55","modified_gmt":"2019-06-19T02:25:55","slug":"metal-metallurgy-casting-foundry-aluminium-degassing-treatment","status":"publish","type":"post","link":"https:\/\/www.adtechamm.com\/es\/metal-metallurgy-casting-foundry-aluminium-degassing-treatment\/","title":{"rendered":"Metalurgia. Fundici\u00f3n. Tratamiento de desgasificaci\u00f3n del aluminio."},"content":{"rendered":"<p><strong>Metalurgia. Fundici\u00f3n. Tratamiento de desgasificaci\u00f3n del aluminio.<\/strong><\/p>\n<p>La metalurgia consiste en eliminar las impurezas (elementos no deseados) de la soluci\u00f3n met\u00e1lica mediante la fusi\u00f3n (calentamiento por encima del punto de fusi\u00f3n) para la formaci\u00f3n y eliminaci\u00f3n de escoria, mientras que ciertos componentes qu\u00edmicos se purifican relativamente mediante la eliminaci\u00f3n de escoria, la descarburaci\u00f3n, la desoxidaci\u00f3n, etc. El proceso de composici\u00f3n de la aleaci\u00f3n. El proceso de refinado m\u00e1s fino se lleva a cabo, por lo general, en una fundici\u00f3n de metales.<\/p>\n<p>El tratamiento de desgasificaci\u00f3n del aluminio siempre ha sido objeto de investigaci\u00f3n en el \u00e1mbito de la fundici\u00f3n y la laminaci\u00f3n de aleaciones de aluminio, y la pureza del nitr\u00f3geno utilizado para el refinado en el dispositivo de purificaci\u00f3n es un factor clave que influye directamente en el resultado de la purificaci\u00f3n.<\/p>\n<p><strong>El tratamiento de desgasificaci\u00f3n del aluminio consiste en inyectar nitr\u00f3geno en el aluminio fundido para eliminar el hidr\u00f3geno.<\/strong><br \/>\nAdem\u00e1s, la desgasificaci\u00f3n tambi\u00e9n se considera un m\u00e9todo muy eficaz para hacer flotar las impurezas.<br \/>\nSe han propuesto dos modelos te\u00f3ricos principales para explicar el principio de desgasificaci\u00f3n. El modelo macro considera que la eliminaci\u00f3n de cada impureza es de naturaleza similar. El modelo microsc\u00f3pico, es decir, seg\u00fan esta teor\u00eda, debido a la mayor presi\u00f3n de vapor del hidr\u00f3geno, el hidr\u00f3geno disuelto se difunde hacia el gas presente en el aluminio l\u00edquido inyectado.<br \/>\nEn teor\u00eda, una inclusi\u00f3n con un di\u00e1metro de 10 micras entra en contacto con una burbuja, se adsorbe en ella y flota hasta la superficie del l\u00edquido.<\/p>\n<p>El tratamiento de desgasificaci\u00f3n del aluminio descompone las grandes burbujas de nitr\u00f3geno en burbujas muy finas mediante la rotaci\u00f3n a alta velocidad del rotor de nitr\u00f3geno, y las dispersa de manera uniforme en el metal fundido.<br \/>\nAl reducir el di\u00e1metro de las burbujas, la superficie total de estas aumenta considerablemente, lo que hace que un mayor n\u00famero de superficies de las burbujas de nitr\u00f3geno entren en contacto con el hidr\u00f3geno y las impurezas del metal fundido, llevando as\u00ed estas sustancias nocivas a la superficie del l\u00edquido.<\/p>\n<p><img class=\"alignnone size-full wp-image-5236\" src=\"http:\/\/www.adtechamm.com\/wp-content\/uploads\/2019\/06\/Aluminium-Degassing-Treatment.jpg\" alt=\"Tratamiento de desgasificaci\u00f3n del aluminio\" width=\"800\" height=\"800\" srcset=\"https:\/\/www.adtechamm.com\/wp-content\/uploads\/2019\/06\/Aluminium-Degassing-Treatment.jpg 800w, https:\/\/www.adtechamm.com\/wp-content\/uploads\/2019\/06\/Aluminium-Degassing-Treatment-150x150.jpg 150w, https:\/\/www.adtechamm.com\/wp-content\/uploads\/2019\/06\/Aluminium-Degassing-Treatment-300x300.jpg 300w, https:\/\/www.adtechamm.com\/wp-content\/uploads\/2019\/06\/Aluminium-Degassing-Treatment-768x768.jpg 768w, https:\/\/www.adtechamm.com\/wp-content\/uploads\/2019\/06\/Aluminium-Degassing-Treatment-570x570.jpg 570w, https:\/\/www.adtechamm.com\/wp-content\/uploads\/2019\/06\/Aluminium-Degassing-Treatment-500x500.jpg 500w, https:\/\/www.adtechamm.com\/wp-content\/uploads\/2019\/06\/Aluminium-Degassing-Treatment-700x700.jpg 700w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>El tratamiento de desgasificaci\u00f3n del aluminio consiste en que el rotor rompa las burbujas de nitr\u00f3geno entrantes en burbujas m\u00e1s peque\u00f1as y las distribuya por todo el metal fundido.<br \/>\nAl reducir el di\u00e1metro de las burbujas, la superficie de contacto del nitr\u00f3geno aumenta dr\u00e1sticamente, de modo que una mayor superficie de nitr\u00f3geno entra en contacto con el hidr\u00f3geno y las impurezas presentes en el metal fundido, y el hidr\u00f3geno o las impurezas se eliminan del aluminio l\u00edquido a medida que las burbujas ascienden.<\/p>\n<p>El control del caudal del <a href=\"http:\/\/www.adtechamm.com\/es\/portfolio_page\/online-degassing-unit\/\">unidad de desgasificaci\u00f3n en l\u00ednea<\/a>\u00a0 Al introducir nitr\u00f3geno en el aluminio, se puede ajustar el caudal del gas en funci\u00f3n del volumen del metal l\u00edquido que se est\u00e1 tratando, y se puede ajustar la velocidad de la varilla giratoria y del rotor para generar una burbuja del tama\u00f1o adecuado que facilite la difusi\u00f3n del gas inerte.<\/p>\n<p><iframe width=\"1060\" height=\"596\" src=\"https:\/\/www.youtube.com\/embed\/lT2MWJhJ3io?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>","protected":false},"excerpt":{"rendered":"<p>Metal Metallurgy Casting Foundry Aluminium Degassing Treatment Metallurgy is to remove impurities (non-intentional elements) in the metal solution by melting (heating above the melting point) for slag formation and slag removal, while certain chemical components are relatively pure by slag removal, decarburization, deoxidation, etc. The&#8230;<\/p>","protected":false},"author":1,"featured_media":5236,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[52],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.6 - 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