{"id":9993,"date":"2021-08-20T06:26:22","date_gmt":"2021-08-20T06:26:22","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=9993"},"modified":"2021-08-20T06:26:22","modified_gmt":"2021-08-20T06:26:22","slug":"degassing-and-filtration-purification","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/degassing-and-filtration-purification\/","title":{"rendered":"Purificaci\u00f3n mediante desgasificaci\u00f3n y filtraci\u00f3n"},"content":{"rendered":"<p>El m\u00e9todo de purificaci\u00f3n de compuestos mediante desgasificaci\u00f3n y filtraci\u00f3n es una tecnolog\u00eda de purificaci\u00f3n de compuestos consolidada que combina las funciones de desgasificaci\u00f3n y eliminaci\u00f3n de impurezas. Se ha utilizado ampliamente en los principales fabricantes de aluminio y aleaciones de aluminio de todo el mundo.<\/p>\n<p>En la actualidad, los dispositivos de purificaci\u00f3n compuestos por desgasificaci\u00f3n y filtraci\u00f3n se utilizan habitualmente en la purificaci\u00f3n continua en l\u00ednea. Los m\u00e9todos combinados m\u00e1s habituales son, por lo general, la desgasificaci\u00f3n en dos etapas y la filtraci\u00f3n por gradiente en varias etapas. En cuanto a la desgasificaci\u00f3n, se trata principalmente del m\u00e9todo de soplado, en el que destacan el soplado por cabezal poroso y el soplado rotativo. La tecnolog\u00eda de filtraci\u00f3n se basa principalmente en la filtraci\u00f3n por flujo y la filtraci\u00f3n en gradiente mediante filtros de diferentes materiales.<\/p>\n<p>El filtro suele utilizar <a href=\"http:\/\/www.alalloycasting.com\/es\/foam-ceramic-filters-for-casting\/\">filtro cer\u00e1mico de espuma<\/a>. La purificaci\u00f3n del aluminio fundido fuera del horno mediante placas filtrantes de espuma cer\u00e1mica es una forma eficaz de mejorar la pureza del aluminio fundido. El proceso de filtrado cer\u00e1mico permite eliminar eficazmente diversas inclusiones del aluminio fundido con una finura del orden de los micr\u00f3metros, reducir la influencia de las inclusiones en la calidad de los lingotes laminados por fundici\u00f3n y proporcionar una garant\u00eda b\u00e1sica para obtener lingotes laminados por fundici\u00f3n de alta calidad.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-9873\" src=\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2021\/08\/Foam-Ceramic-Plate-Filtering.jpg\" alt=\"Filtraci\u00f3n mediante placas cer\u00e1micas de espuma\" width=\"500\" height=\"400\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/08\/Foam-Ceramic-Plate-Filtering.jpg 500w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/08\/Foam-Ceramic-Plate-Filtering-300x240.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>Los rotores de pulverizaci\u00f3n giratorios se utilizan a menudo en dispositivos de desgasificaci\u00f3n. Dado que el rotor giratorio puede reducir considerablemente el di\u00e1metro de las burbujas, el efecto de agitaci\u00f3n de estas sobre la superficie del l\u00edquido se reduce en gran medida, lo que permite aumentar relativamente el caudal de aire. Para obtener una alta eficiencia de desgasificaci\u00f3n, es necesario garantizar un caudal de aire determinado.<\/p>\n<p>Debido al efecto de agitaci\u00f3n que produce la boquilla giratoria en el interior del aluminio fundido, este se encuentra en estado de movimiento, lo que potencia la renovaci\u00f3n de la interfaz gas-l\u00edquido y contribuye a mejorar la capacidad de transferencia de masa del aluminio fundido. Debido al movimiento ascendente no rectil\u00edneo de las burbujas en el aluminio fundido, el tiempo de permanencia de las burbujas en el aluminio fundido es relativamente largo, lo que permite que las burbujas desempe\u00f1en plenamente su funci\u00f3n en la deshidrogenaci\u00f3n. Las burbujas se distribuyen uniformemente en el aluminio fundido, lo que puede reducir la distancia de difusi\u00f3n de los \u00e1tomos de hidr\u00f3geno en el aluminio fundido hasta las burbujas, de modo que se refuerza el proceso de difusi\u00f3n en todo el ba\u00f1o de fusi\u00f3n. El m\u00e9todo de la boquilla giratoria permite aprovechar al m\u00e1ximo las ventajas del m\u00e9todo de flotaci\u00f3n por burbujas para la eliminaci\u00f3n de hidr\u00f3geno. La clave reside en que el l\u00edquido forma un flujo turbulento bajo la fuerte acci\u00f3n de la boquilla, y las burbujas se rompen y se dispersan uniformemente bajo la acci\u00f3n de la boquilla y del flujo turbulento.<\/p>","protected":false},"excerpt":{"rendered":"<p>The degassing and filtration composite purification method is a mature composite purification technology with the dual functions of degassing and impurity removal. It has been&hellip;<\/p>","protected":false},"author":1,"featured_media":9994,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[12390,688],"class_list":["post-9993","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-degassing-and-filtration-purification","tag-molten-aluminum-purification"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Degassing and Filtration Purification, Molten Aluminum Purification<\/title>\n<meta name=\"description\" content=\"The degassing and filtration composite purification method is a mature composite purification technology with the dual functions.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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