{"id":6439,"date":"2020-11-13T09:08:00","date_gmt":"2020-11-13T09:08:00","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=6439"},"modified":"2020-11-13T09:08:00","modified_gmt":"2020-11-13T09:08:00","slug":"determination-of-hydrogen-content","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/determination-of-hydrogen-content\/","title":{"rendered":"Determinaci\u00f3n del contenido de hidr\u00f3geno"},"content":{"rendered":"<p>La inspecci\u00f3n de calidad previa al horno del aluminio fundido, durante el proceso de fundici\u00f3n o antes de la colada, es un paso importante para garantizar que se obtenga aluminio fundido de alta calidad y piezas fundidas que cumplan los requisitos. Se lleva a cabo una evaluaci\u00f3n r\u00e1pida y precisa de la calidad del aluminio fundido que se va a moldear. Este es el objetivo que persigue la industria de la fundici\u00f3n de aleaciones de aluminio. En la actualidad, la inspecci\u00f3n de la calidad del fundido incluye principalmente la determinaci\u00f3n del contenido de hidr\u00f3geno y la inspecci\u00f3n de inclusiones no met\u00e1licas.<\/p>\n<p>En la actualidad, existen numerosos m\u00e9todos de determinaci\u00f3n del contenido de hidr\u00f3geno, tanto a nivel nacional como internacional, y hay muchas formas de clasificarlos. Por ejemplo, seg\u00fan los diferentes objetos de an\u00e1lisis, se pueden dividir en dos categor\u00edas: aquellos en los que el objeto de an\u00e1lisis es la aleaci\u00f3n fundida y las piezas solidificadas, y aquellos en los que el objeto de an\u00e1lisis es el hidr\u00f3geno. Entre ellos, los m\u00e9todos de detecci\u00f3n que utilizan la aleaci\u00f3n como objeto de an\u00e1lisis incluyen el m\u00e9todo de observaci\u00f3n del nivel de l\u00edquido, el m\u00e9todo de an\u00e1lisis de fractura, el m\u00e9todo de detecci\u00f3n de la macroestructura, el m\u00e9todo de medici\u00f3n de la densidad y el m\u00e9todo de medici\u00f3n el\u00e9ctrica (incluidos el m\u00e9todo de la c\u00e9lula de concentraci\u00f3n y el m\u00e9todo de la cer\u00e1mica conductora de protones). En el m\u00e9todo que utiliza el hidr\u00f3geno como objeto de an\u00e1lisis, seg\u00fan los diferentes m\u00e9todos de extracci\u00f3n de hidr\u00f3geno, se puede dividir en dos tipos: el m\u00e9todo de extracci\u00f3n por presi\u00f3n negativa y el m\u00e9todo de transporte por gas portador. Los m\u00e9todos de extracci\u00f3n por presi\u00f3n negativa incluyen el m\u00e9todo de extracci\u00f3n t\u00e9rmica al vac\u00edo, el m\u00e9todo de la primera burbuja, el m\u00e9todo de presi\u00f3n directa, el m\u00e9todo de extracci\u00f3n directa, el m\u00e9todo de medici\u00f3n de hidr\u00f3geno de Haber y el m\u00e9todo de sonda de inmersi\u00f3n.<\/p>\n<p>AdTech ofrece servicios en l\u00ednea <a href=\"http:\/\/www.alalloycasting.com\/es\/degassing-unit\/\">unidad de desgasificaci\u00f3n<\/a> para la eliminaci\u00f3n del hidr\u00f3geno (H) y de la escoria del aluminio fundido. La eficiencia media de desgasificaci\u00f3n es de 60%. Si se utiliza arg\u00f3n y el contenido de magnesio es \u22641%, la eficiencia puede alcanzar los 0,09 cc\/100 g.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6417\" src=\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2020\/11\/Online-Rotary-Degassing-Unit-1.jpg\" alt=\"Unidad de desgasificaci\u00f3n rotativa en l\u00ednea\" width=\"500\" height=\"400\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/11\/Online-Rotary-Degassing-Unit-1.jpg 500w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/11\/Online-Rotary-Degassing-Unit-1-300x240.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>La unidad de desgasificaci\u00f3n se basa en el principio de la flotaci\u00f3n por gas. El rotor introduce gas inerte o una mezcla de cloro y gas inerte en el aluminio fundido y fragmenta el gas en diminutas burbujas dispersas; estas burbujas ascienden hasta la superficie del aluminio fundido y, al mismo tiempo, llevan a cabo los procedimientos que se indican a continuaci\u00f3n:<\/p>\n<ul>\n<li>El H se est\u00e1 absorbiendo en las burbujas y se est\u00e1 eliminando.<\/li>\n<li>Se elimina el cloruro (formado por reacci\u00f3n qu\u00edmica entre un metal alcalino y el cloro gaseoso).<\/li>\n<li>Retirar las escorias.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>The pre-furnace quality inspection of the aluminum melt during the smelting process or before casting is an important step to ensure that high-quality aluminum melt&hellip;<\/p>","protected":false},"author":1,"featured_media":6478,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-6439","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>Determination of Hydrogen Content in Aluminum Melt<\/title>\n<meta name=\"description\" content=\"At present, melt quality inspection mainly includes the determination of hydrogen content and the inspection of non-metallic inclusions.\" \/>\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\/es\/determination-of-hydrogen-content\/\" \/>\n<meta property=\"og:locale\" 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