{"id":2234,"date":"2020-06-11T06:17:03","date_gmt":"2020-06-11T06:17:03","guid":{"rendered":"http:\/\/alalloycasting.com\/?p=2234"},"modified":"2020-09-04T09:05:08","modified_gmt":"2020-09-04T09:05:08","slug":"cff-filtration-mechanism","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/cff-filtration-mechanism\/","title":{"rendered":"Mecanismo de filtraci\u00f3n CFF"},"content":{"rendered":"

Con el desarrollo de la industria metal\u00fargica, las fundiciones de aluminio prestan cada vez m\u00e1s atenci\u00f3n a la pureza del aluminio. El m\u00e9todo de filtraci\u00f3n CFF es, en la actualidad, el m\u00e1s utilizado y el m\u00e1s econ\u00f3mico del mundo. \u00bfConoces el mecanismo de filtraci\u00f3n CFF? Vamos a analizarlo juntos.<\/p>\n

Mecanismo de filtraci\u00f3n CFF<\/h2>\n

Mediante la criba, la interceptaci\u00f3n por difusi\u00f3n, la fricci\u00f3n, la sedimentaci\u00f3n y otros principios de filtraci\u00f3n mec\u00e1nica, placas filtrantes de espuma cer\u00e1mica<\/a> puede retener las impurezas del aluminio fundido, y el aluminio fundido puro puede fluir sin obst\u00e1culos a trav\u00e9s de los poros del filtro. La eficacia de la filtraci\u00f3n es proporcional al tama\u00f1o de los poros de la malla cer\u00e1mica de espuma. Cuanto m\u00e1s fina sea la malla, mayor ser\u00e1 su capacidad para retener part\u00edculas peque\u00f1as.<\/p>\n

El efecto de la capa de sedimentos o de la capa de torta de filtraci\u00f3n. Con la deposici\u00f3n de part\u00edculas en la masa fundida, las rejillas curvas interconectadas act\u00faan como paredes de soporte, lo que mejora la capacidad de capturar part\u00edculas heterof\u00e1sicas.<\/p>\n

\"\"<\/p>\n

La superficie rugosa formada por los huecos en la superficie del cuerpo del andamio aumenta la superficie de contacto entre el flujo de aluminio l\u00edquido y la superficie s\u00f3lida cer\u00e1mica. Esto puede favorecer que las part\u00edculas del flujo de aluminio l\u00edquido se dispongan de forma m\u00e1s desordenada, lo que facilita la captura y la deposici\u00f3n de part\u00edculas s\u00f3lidas.<\/p>\n

Debido a las microfisuras y los poros min\u00fasculos presentes en la superficie del andamio de malla, se depositaron previamente fluoruros con una fuerte afinidad por part\u00edculas como el Al\u2082O\u2083. Esto favorece la formaci\u00f3n de una capa completa de torta de filtraci\u00f3n y una fuerte fuerza de adsorci\u00f3n qu\u00edmica, lo que refuerza la capacidad de capturar las part\u00edculas heterog\u00e9neas restantes.<\/p>\n

Filtraci\u00f3n con espuma cer\u00e1mica<\/h2>\n

Adem\u00e1s, el efecto del campo de temperatura derivado del proceso de fundici\u00f3n y el proceso de transmisi\u00f3n de la estructura del metal fundido dar\u00e1n lugar inevitablemente a una diferencia de espesor en el fondo del soluto de la aleaci\u00f3n. El metal fundido pasa por un ciclo de redistribuci\u00f3n \u2014 integraci\u00f3n \u2014 redistribuci\u00f3n \u2014 integraci\u00f3n, lo que tambi\u00e9n constituye un buen proceso de aleaci\u00f3n. Algunas fases y compuestos met\u00e1licos de alto punto de fusi\u00f3n se reagrupan y crecen, y las fases heterog\u00e9neas finas se agrupan y crecen, lo que favorece la filtraci\u00f3n y la captura. Esto tambi\u00e9n puede explicarse a partir de los cambios en la concentraci\u00f3n de H, Al\u2082O\u2083, la fase de Fe y la fase de Ti antes y despu\u00e9s de la filtraci\u00f3n. Esto resulta especialmente evidente en la filtraci\u00f3n en dos etapas o en la filtraci\u00f3n con placas gruesas con gradiente de poros.<\/p>","protected":false},"excerpt":{"rendered":"

With the development of the metallurgical industry, aluminum foundries pay more and more attention to the purity of aluminum. The CFF filtering method is currently…<\/p>","protected":false},"author":1,"featured_media":4519,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[380,379],"class_list":["post-2234","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-ceramic-foam-filter-for-aluminum-foundry","tag-cff-filtration-mechanism"],"yoast_head":"\nCFF Filtration Mechanism, Ceramic Foam Filter for Aluminum Foundry<\/title>\n<meta name=\"description\" content=\"CFF Filtration Mechanism by ceramic foam filiter is currently the most widely used and most economical filtering method in the world.\" \/>\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\/cff-filtration-mechanism\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" 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