{"id":4919,"date":"2020-09-19T04:34:32","date_gmt":"2020-09-19T04:34:32","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=4919"},"modified":"2020-09-19T04:46:58","modified_gmt":"2020-09-19T04:46:58","slug":"degassing-effect-of-aluminum-liquid","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/degassing-effect-of-aluminum-liquid\/","title":{"rendered":"Efecto de desgasificaci\u00f3n del aluminio l\u00edquido"},"content":{"rendered":"

Se estudia el efecto de la desgasificaci\u00f3n rotativa del aluminio l\u00edquido sobre la densidad en el proceso de producci\u00f3n, con el fin de garantizar que la calidad del producto pueda controlarse de forma eficaz durante dicho proceso.<\/p>\n

Tras la fusi\u00f3n y el refinado de la aleaci\u00f3n de aluminio para fundici\u00f3n a presi\u00f3n (ADC12), se analiz\u00f3 la influencia de la posici\u00f3n de entrada del agua, el tiempo de adici\u00f3n del agente refinador antes y despu\u00e9s del proceso, el caudal de nitr\u00f3geno en la desgasificaci\u00f3n rotativa y la velocidad de rotaci\u00f3n de la barra giratoria de grafito. Se midi\u00f3 y analiz\u00f3 la densidad del aluminio l\u00edquido.<\/p>\n

Tras la desgasificaci\u00f3n, el efecto de desgasificaci\u00f3n del aluminio l\u00edquido en diferentes puntos del molde subcontratado es desigual, y el peor se da cerca de la plataforma giratoria.<\/p>\n

El caudal de nitr\u00f3geno influye en cierta medida en la posici\u00f3n de las burbujas. Las burbujas generadas por un caudal elevado se difunden m\u00e1s, pero provocan una agitaci\u00f3n m\u00e1s intensa del aluminio fundido, lo que supone un riesgo oculto para la seguridad en la producci\u00f3n.<\/p>\n

Esta velocidad influye considerablemente en el efecto de desgasificaci\u00f3n del aluminio l\u00edquido. Una velocidad de rotaci\u00f3n elevada garantiza una difusi\u00f3n suficiente del gas y evita que el aluminio l\u00edquido se agite.<\/p>\n

\"Efecto<\/p>\n

El fundente de refinado<\/a> No se puede utilizar para refinar el aluminio l\u00edquido bajo la acci\u00f3n de la desgasificaci\u00f3n rotativa, por lo que la superficie del aluminio l\u00edquido puede tratarse mediante la eliminaci\u00f3n de la espuma. Se recomienda tratar la escoria de aluminio superficial con un eliminador de escoria. Seg\u00fan las especificaciones del agente de refinado, su temperatura de funcionamiento es de 700-750 \u2103, mientras que la del desgasificador desescoriador no debe ser inferior a 680 \u2103. El agente de refinado requiere una temperatura elevada del aluminio l\u00edquido, lo cual resulta dif\u00edcil de controlar in situ.<\/p>\n

La velocidad de rotaci\u00f3n y el caudal de nitr\u00f3geno deben ajustarse simult\u00e1neamente para garantizar el efecto de desgasificaci\u00f3n y evitar que el aluminio fundido se agite y se oxide. Un caudal de 15 l\/min a 400 r\/min cumple con los requisitos.<\/p>\n

En el proceso de desgasificaci\u00f3n, el movimiento ondulatorio y las salpicaduras del aluminio fundido influyen en la desgasificaci\u00f3n y la oxidaci\u00f3n del aluminio fundido. Tras la desgasificaci\u00f3n, la escoria de aluminio presente en la superficie y la densidad de la muestra permiten evaluar el efecto de la desgasificaci\u00f3n.<\/p>","protected":false},"excerpt":{"rendered":"

The rotary degassing effect of aluminum liquid on the density in the production process is studied to ensure the product quality can be effectively controlled…<\/p>","protected":false},"author":1,"featured_media":4926,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[138],"tags":[4706],"class_list":["post-4919","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-seo","tag-degassing-effect-of-aluminum-liquid"],"yoast_head":"\nDegassing Effect of Aluminum Liquid by Rotary Degassing<\/title>\n<meta name=\"description\" content=\"The degassing effect of aluminum liquid at different positions in the subcontract is inconsistent, and the worst is near the turntable.\" \/>\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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