{"id":8309,"date":"2021-02-26T06:29:51","date_gmt":"2021-02-26T06:29:51","guid":{"rendered":"http:\/\/www.adtechamm.com\/?p=8309"},"modified":"2021-02-26T06:29:51","modified_gmt":"2021-02-26T06:29:51","slug":"alumina-ceramic-foam-filter-casting-filtration","status":"publish","type":"post","link":"https:\/\/www.adtechamm.com\/es\/alumina-ceramic-foam-filter-casting-filtration\/","title":{"rendered":"Filtraci\u00f3n por colada con filtro de espuma cer\u00e1mica de al\u00famina"},"content":{"rendered":"

Filtraci\u00f3n por colada con filtro de espuma cer\u00e1mica de al\u00famina<\/strong> puede filtrar la fuente de contaminaci\u00f3n generada en el proceso de fundici\u00f3n de aluminio<\/a>.
\nPor un lado, durante el proceso de fundici\u00f3n, el aluminio queda expuesto a la atm\u00f3sfera del horno en estado fundido o semifundido, lo que lo hace propenso a la oxidaci\u00f3n; reacciona con el vapor de agua para absorber hidr\u00f3geno y forma f\u00e1cilmente diversos tipos de escoria no met\u00e1lica (como fragmentos del revestimiento del horno, fundentes, cloruros, carburos, etc.) y part\u00edculas intermet\u00e1licas gruesas, entre otras cosas.<\/p>\n

Estas impurezas suelen provocar la aparici\u00f3n de burbujas e inclusiones en la pieza de fundici\u00f3n, lo que afecta gravemente a la pureza del metal fundido y, por consiguiente, repercute en el rendimiento de procesamiento, las propiedades mec\u00e1nicas, la resistencia a la corrosi\u00f3n y la calidad est\u00e9tica del producto.<\/p>\n

Filtraci\u00f3n por colada con filtro de espuma cer\u00e1mica de al\u00famina<\/strong> Tiene una estructura similar a una malla, que presenta una cierta resistencia y es capaz de soportar la diferencia de presi\u00f3n del nivel del metal l\u00edquido y el impacto del flujo de metal, pero es fr\u00e1gil y quebradiza. Dado que este material tiene una estructura precisa, una calidad uniforme y una gran superficie, ofrece un excelente efecto de filtrado.<\/p>\n

La producci\u00f3n de lingotes de aluminio consiste en la extracci\u00f3n de bauxita, la producci\u00f3n de al\u00famina y la electr\u00f3lisis del aluminio.<\/strong>
\nEn primer lugar, se extrae el mineral de bauxita y, mediante procesos de lavado con agua y molienda, se obtiene polvo de mineral de aluminio; a continuaci\u00f3n, se llevan a cabo cuatro procesos complejos, como el calcinado, para obtener al\u00famina. Existen tres tipos principales de bauxita para la producci\u00f3n de al\u00famina: gibbsita y monohidrato; diaspora hidratada y boehmita.
\nDe las reservas mundiales probadas de bauxita, 92% corresponden a bauxita de tipo laterita meteorizada, que pertenece al tipo gibbsita. Estas bauxitas se caracterizan por su bajo contenido en silicio, su alto contenido en hierro y su elevada relaci\u00f3n aluminio-silicio, y se concentran en \u00c1frica Occidental, Ocean\u00eda y Am\u00e9rica Central y del Sur. Los 8% restantes son bauxitas sedimentarias, pertenecientes a los tipos boehmita y di\u00e1spora, de ley media y baja, distribuidas principalmente en Grecia, la antigua Yugoslavia y Hungr\u00eda.
\nDebido a las diferentes caracter\u00edsticas de los tres tipos de bauxita, cada empresa productora de al\u00famina adopta distintos procesos de producci\u00f3n, entre los que destacan principalmente el m\u00e9todo Bayer, el m\u00e9todo de sinterizaci\u00f3n con cal sodada y el m\u00e9todo combinado Bayer-sinterizaci\u00f3n. Por lo general, la bauxita de alta ley se produce mediante el m\u00e9todo Bayer, mientras que la de ley media y baja se produce mediante el m\u00e9todo combinado o el de sinterizaci\u00f3n. Debido a la sencillez de su proceso y a su bajo consumo energ\u00e9tico, el proceso Bayer se ha convertido en el m\u00e9todo m\u00e1s importante utilizado actualmente en la producci\u00f3n de al\u00famina, y su producci\u00f3n representa alrededor del 95% de la producci\u00f3n mundial total de al\u00famina.
\nLa al\u00famina se somete a un proceso de electr\u00f3lisis para producir aluminio met\u00e1lico bajo la acci\u00f3n de una corriente intensa. Este proceso se denomina \u00abaluminio electrol\u00edtico\u00bb.<\/p>\n

\"Filtraci\u00f3n<\/p>","protected":false},"excerpt":{"rendered":"

Alumina Ceramic Foam Filter Casting Filtration can filter out the source of pollution generated in the aluminum casting process. On the one hand, during the smelting process, aluminum is exposed to the atmosphere in the furnace in a molten or semi-molten state, which is prone…<\/p>","protected":false},"author":1,"featured_media":8310,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[26524],"tags":[53472,53478,53432,53437,53463,53409,53470,53455,53423,53443,53456,53442,53466,53440,53429,53467,53461,53421,53436,53392,53451],"yoast_head":"\nAlumina Ceramic Foam Filter Casting Filtration | Adtech China<\/title>\n<meta name=\"description\" content=\"Alumina Ceramic Foam Filter Casting Filtration can filter out the source of pollution generated in the aluminum casting process.\" \/>\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.adtechamm.com\/es\/alumina-ceramic-foam-filter-casting-filtration\/\" \/>\n<meta property=\"og:locale\" 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