{"id":8539,"date":"2021-03-12T06:47:06","date_gmt":"2021-03-12T06:47:06","guid":{"rendered":"http:\/\/www.adtechamm.com\/?p=8539"},"modified":"2021-03-12T06:47:06","modified_gmt":"2021-03-12T06:47:06","slug":"ceramic-foam-filters-3","status":"publish","type":"post","link":"https:\/\/www.adtechamm.com\/es\/ceramic-foam-filters-3\/","title":{"rendered":"Filtros de espuma cer\u00e1mica"},"content":{"rendered":"

Los filtros de espuma cer\u00e1mica tienen un tama\u00f1o que oscila entre 10 y 80 ppi.<\/strong>
\nEl valor m\u00e1s habitual es de 20-40 ppi. En el caso de las fundiciones industriales, es necesario alcanzar la tasa de fundici\u00f3n de aluminio deseada y la eficiencia de filtraci\u00f3n m\u00ednima aceptable.
\nEl filtro de 10-20 ppi tiene una capacidad de retenci\u00f3n de part\u00edculas reducida y se utiliza a menudo para filtrar las part\u00edculas interceptadas, los \u00f3xidos superficiales y otras part\u00edculas de gran tama\u00f1o generadas durante la fusi\u00f3n, el almacenamiento y el transporte.
\nLos filtros de alta densidad de poros, con 60-80 ppi, solo son adecuados para aplicaciones en las que la calidad es un factor clave, como la extrusi\u00f3n de superficies cr\u00edticas y los productos de l\u00e1mina fina.<\/p>\n

La estructura del CFF crea un recorrido de flujo de fluido \u00fanico y sinuoso que retiene las inclusiones y permite un desplazamiento limpio y fluido del metal desde la salida hasta la cavidad del molde.<\/strong>
\nLos par\u00e1metros m\u00e1s importantes de un filtro son la porosidad efectiva (es decir, la porosidad que permite efectivamente el paso del fluido), la tortuosidad, la superficie espec\u00edfica y el tama\u00f1o de los poros.
\nEl proceso de filtraci\u00f3n tambi\u00e9n depende de: el tipo de aleaci\u00f3n, el refinador, la velocidad de colada, la temperatura del metal, etc.
\nLa incorporaci\u00f3n del refinador antes del filtro tiene un impacto especialmente negativo en la eficacia de la filtraci\u00f3n.
\nTeniendo en cuenta el coste, la facilidad de uso y unas caracter\u00edsticas de rendimiento aceptables, el CFF se considera generalmente el \u201cmejor\u201d filtro para la fundici\u00f3n.
\nSus principales ventajas son: alta eficacia de filtraci\u00f3n, menor turbulencia, refractariedad y resistencia a la corrosi\u00f3n, lo que los hace adecuados para las aplicaciones de fundici\u00f3n m\u00e1s exigentes.
\nLos filtros de part\u00edculas de lecho profundo suelen ofrecer un mejor rendimiento de filtraci\u00f3n, pero su funcionamiento resulta m\u00e1s complicado y costoso.<\/p>\n

La composici\u00f3n qu\u00edmica de los filtros de espuma cer\u00e1mica es principalmente al\u00famina, y la porosidad del filtro es de aproximadamente 85-90%.<\/strong> La densidad de las part\u00edculas cer\u00e1micas es de 3,48 + 0,02 g\/cm.<\/p>\n

La permeabilidad es un par\u00e1metro importante para CFF<\/a> caracterizaci\u00f3n, ya que debe predecir el caudal que se puede obtener con una ca\u00edda de presi\u00f3n determinada, o bien predecir la ca\u00edda de presi\u00f3n necesaria para alcanzar un caudal espec\u00edfico.
\nLa relaci\u00f3n entre estas magnitudes puede expresarse como una funci\u00f3n del caudal del fluido y de las propiedades del medio, y se obtiene mediante el ajuste de la ecuaci\u00f3n de permeabilidad.<\/p>\n

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

Ceramic Foam Filters range in size from 10 to 80 ppi. The most commonly used is 20-40 ppi. For industrial foundries, it is necessary to achieve the desired aluminum casting rate and the lowest acceptable filtration efficiency. The 10-20ppi filter has poor particle retention capacity,…<\/p>","protected":false},"author":1,"featured_media":8540,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[26524],"tags":[54533,25237,25236,42306,54539,54525,54521,25275,54530,32092,1925],"yoast_head":"\nCeramic Foam Filters for Aluminium Casting | Adtech China<\/title>\n<meta name=\"description\" content=\"Ceramic Foam Filters range in size from 10 to 80 ppi.The most commonly used is 20-40 ppi. For industrial foundries, it is necessary to achieve the....\" \/>\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\/ceramic-foam-filters-3\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ceramic Foam Filters for Aluminium Casting | Adtech China\" \/>\n<meta property=\"og:description\" content=\"Ceramic Foam Filters range in size from 10 to 80 ppi.The most commonly used is 20-40 ppi. 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