dispositivo de desgasificaci\u00f3n en l\u00ednea<\/a> se utiliza para eliminar impurezas mediante flotaci\u00f3n.<\/p>\nLos estudios han demostrado que resulta dif\u00edcil eliminar las inclusiones inferiores a 1 \u00b5m mediante flotaci\u00f3n, y que la eficacia en la eliminaci\u00f3n de las inclusiones de entre 1 y 10 \u00b5m depende del tama\u00f1o de las burbujas y de la velocidad de rotaci\u00f3n de la boquilla. Cuando las inclusiones son mayores de 6 \u00b5m, las burbujas de 1 a 10 \u00b5m las atrapan f\u00e1cilmente. Las part\u00edculas de m\u00e1s de 10 \u00b5m pueden eliminarse mediante el mecanismo de interceptaci\u00f3n externa de la burbuja o el mecanismo de colisi\u00f3n inercial. Las inclusiones de entre 1 y 10 \u00b5m solo pueden eliminarse mediante el mecanismo de colisi\u00f3n, mientras que las impurezas inferiores a 1 \u00b5m deben crecer para poder eliminarse.<\/p>\n
![\"\"](\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2021\/12\/Metal-Melt-Degassing-Method.jpg\")
<\/p>\n
En teor\u00eda, la rotaci\u00f3n del rotor puede proporcionar una velocidad de crecimiento suficiente de estas impurezas, de modo que puedan eliminarse aquellas que alcancen un tama\u00f1o de entre 1 y 10 \u00b5m. Este m\u00e9todo utiliza la pulverizaci\u00f3n rotativa para garantizar que la superficie de contacto entre las burbujas y el metal fundido se sit\u00fae entre 2 y 20 m\u00b2\/kg, y se actualiza continuamente, de modo que las inclusiones puedan seguir en contacto con las burbujas, eliminando as\u00ed las impurezas de forma continua. .<\/p>\n
La eliminaci\u00f3n de las inclusiones en el aluminio fundido es clave para el tratamiento de purificaci\u00f3n de la aleaci\u00f3n de aluminio fundida y para obtener piezas de fundici\u00f3n de aleaci\u00f3n de aluminio de alta calidad. Sin embargo, para alcanzar este objetivo, es fundamental comprender el origen de las inclusiones, su mecanismo de formaci\u00f3n y su forma de existencia. Hay que tener plenamente en cuenta los diversos factores que intervienen en el proceso de eliminaci\u00f3n de inclusiones, desarrollar tecnolog\u00edas avanzadas de eliminaci\u00f3n de impurezas y adoptar m\u00e9todos de purificaci\u00f3n combinados, como la flotaci\u00f3n + filtraci\u00f3n, con el fin de lograr el mejor efecto de eliminaci\u00f3n de impurezas y mejorar la calidad del producto.<\/p>","protected":false},"excerpt":{"rendered":"
Purified gases such as argon and nitrogen can not only remove gas and alkali, but also can be used to remove impurities. The purge gas…<\/p>","protected":false},"author":1,"featured_media":11822,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[13050,13049],"class_list":["post-11821","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-online-degassing-filtration","tag-remove-impurities-by-flotation"],"yoast_head":"\n
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