{"id":11434,"date":"2021-11-25T07:26:20","date_gmt":"2021-11-25T07:26:20","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=11434"},"modified":"2021-11-25T07:26:20","modified_gmt":"2021-11-25T07:26:20","slug":"removing-hydrogen","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/removing-hydrogen\/","title":{"rendered":"Eliminaci\u00f3n del hidr\u00f3geno"},"content":{"rendered":"

A medida que aumenta la demanda de productos de aluminio de alta calidad, especialmente en la industria aeroespacial, tambi\u00e9n crece la necesidad de reducir la presencia de inclusiones en los productos moldeados. Un m\u00e9todo muy utilizado para eliminar el hidr\u00f3geno consiste en introducir gas nitr\u00f3geno que burbujea a trav\u00e9s del aluminio l\u00edquido. El hidr\u00f3geno es atra\u00eddo por las burbujas de nitr\u00f3geno, tras lo cual es transportado a trav\u00e9s del aluminio y liberado hacia la superficie. El arg\u00f3n tambi\u00e9n es muy eficaz, pero debido a los elevados costes asociados a este gas, se prefiere el nitr\u00f3geno.<\/p>\n

M\u00e9todo de eliminaci\u00f3n de hidr\u00f3geno de Adtech: la unidad de desgasificaci\u00f3n en l\u00ednea se utiliza principalmente para eliminar el hidr\u00f3geno (H) y las escorias del aluminio fundido.<\/p>\n

Se basa en el principio de la flotaci\u00f3n por gas. El rotor de desgasificaci\u00f3n introduce un 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 a la superficie del aluminio fundido y, al mismo tiempo, completan los procedimientos que se indican a continuaci\u00f3n:<\/p>\n

El H se absorbe en las burbujas y se elimina.
\nSe elimina el cloruro (formado por reacci\u00f3n qu\u00edmica entre un metal alcalino y el cloro gaseoso).
\nRetira la escoria.<\/p>\n

\"Eliminaci\u00f3n<\/p>\n

Instrucciones de la unidad de desgasificaci\u00f3n en l\u00ednea:<\/strong><\/p>\n

Apaga la calefacci\u00f3n despu\u00e9s de que el caja de desgasificaci\u00f3n<\/a> Ha finalizado el calentamiento. Introduzca el gas inerte en el rotor y vierta el aluminio fundido de la cubeta cuando la temperatura del calentador se acerque a la del aluminio fundido.<\/p>\n

Comprueba la junta entre la entrada\/salida y la lavadora.<\/p>\n

Comprueba el cono situado en el drenaje de la protecci\u00f3n t\u00e9rmica, en la parte inferior.<\/p>\n

Comprueba la temperatura del aluminio fundido (m\u00edn. 720 \u00b0C). Mide la altura del aluminio fundido desde el fondo de la lavadora a 3 cm para observar c\u00f3mo entra el aluminio fundido en la caja.<\/p>\n

El operario debe llevar ropa de protecci\u00f3n para cerrar la tapa. La escoria superficial se puede retirar a trav\u00e9s de la salida de desbaste a medida que el aluminio fundido fluye hacia la cuba.<\/p>\n

Inicie la producci\u00f3n cuando la temperatura alcance los 780 \u00b0C. Cierre la salida de lavado para conservar el calor.<\/p>\n

El aluminio fundido puede mantenerse en la cubeta a una temperatura determinada durante la fase de conservaci\u00f3n del calor, sin necesidad de manipularlo.<\/p>\n

Dirige los gases inertes hacia el rotor para evitar que el aluminio fundido obstruya la salida de aire.<\/p>\n

Enciende el calentador en cuanto el aluminio fundido empiece a fluir hacia la lata y ajusta los par\u00e1metros de mantenimiento de la temperatura.<\/p>\n

Se pone en marcha el sistema de calentamiento, se controla la temperatura del aluminio fundido y se supervisa el caudal de gas; la velocidad del rotor pasa de la fase de mantenimiento del calor a la fase de procesamiento. Al mismo tiempo, aumenta el caudal de gas inerte en el rotor y el caudal de gas pasa de la fase de mantenimiento a la fase de procesamiento.<\/p>\n

El operario regula la temperatura de calentamiento del aluminio fundido y mantiene unas condiciones de trabajo estables para la desgasificaci\u00f3n.<\/p>","protected":false},"excerpt":{"rendered":"

As the demand for premium aluminum products increases, especially in the aerospace industry, the need to reduce the occurrence of inclusions in molded products also…<\/p>","protected":false},"author":1,"featured_media":11445,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[12969,12968],"class_list":["post-11434","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-online-rotary-degassing-unit","tag-removing-hydrogen"],"yoast_head":"\nRemoving Hydrogen with Online Rotary Degassing Unit<\/title>\n<meta name=\"description\" content=\"Adtech Removing Hydrogen Method - Online Degassing Unit\u00a0is mainly used for the removal of hydrogen (H) and slag from molten aluminum.\" \/>\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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