{"id":10776,"date":"2023-09-06T03:05:15","date_gmt":"2023-09-06T03:05:15","guid":{"rendered":"http:\/\/www.adtechamm.com\/?page_id=10776"},"modified":"2023-09-06T03:05:15","modified_gmt":"2023-09-06T03:05:15","slug":"phosphorus-free-filter-plate","status":"publish","type":"page","link":"https:\/\/www.adtechamm.com\/es\/news\/phosphorus-free-filter-plate\/","title":{"rendered":"Se ha llevado a cabo con \u00e9xito una prueba de producci\u00f3n en l\u00ednea de placas filtrantes sin f\u00f3sforo"},"content":{"rendered":"

A base de al\u00famina filtro de espuma cer\u00e1mica<\/a> Las placas para filtrar y purificar el aluminio fundido ocupan la mayor parte del mercado. Utilizan fosfato como aglutinante para altas temperaturas, lo que permite cumplir los requisitos generales para la purificaci\u00f3n y filtraci\u00f3n del aluminio fundido. Sin embargo, entra\u00f1an riesgos ocultos de corrosi\u00f3n y contaminaci\u00f3n medioambiental. El magnesio presente en las aleaciones de aluminio con alto contenido en magnesio reacciona con el fosfato de aluminio a temperaturas de entre 600 y 800 \u00b0C, lo que destruye el aglutinante de alta temperatura de la placa filtrante cer\u00e1mica y altera su estructura. En casos graves, la placa filtrante resultar\u00e1 da\u00f1ada. Los fragmentos se desprenden, contaminan el aluminio fundido y producen al mismo tiempo fosfuro de magnesio y fosfuro de aluminio, que, al exponerse a la humedad o al agua del aire, sufrir\u00e1n una reacci\u00f3n de hidr\u00f3lisis, liberando gas fosfina t\u00f3xico e inflamable y contaminando el medio ambiente. Debido al elevado coeficiente de expansi\u00f3n t\u00e9rmica y al gran m\u00f3dulo de elasticidad de la al\u00famina, la tensi\u00f3n t\u00e9rmica es elevada durante el precalentamiento r\u00e1pido, por lo que es probable que se produzcan grietas, lo que da lugar a un \u201ccolapso de la losa\u201d durante su uso, provocando la interrupci\u00f3n de la fundici\u00f3n o la presencia de inclusiones de escoria en el producto.<\/p>\n

Ante esta situaci\u00f3n, tras a\u00f1os de investigaci\u00f3n, Adtech ha desarrollado con \u00e9xito un nuevo tipo de placa filtrante de cer\u00e1mica celular resistente a la corrosi\u00f3n y respetuosa con el medio ambiente que no contiene f\u00f3sforo(Filtro de espuma cer\u00e1mica sin f\u00f3sforo<\/strong><\/a>), utilizando sal de boro como aglutinante a alta temperatura para evitar la corrosi\u00f3n de los elementos de magnesio presentes en la aleaci\u00f3n y, al mismo tiempo, incorpora placas filtrantes anticorrosivas con bajos coeficientes de dilataci\u00f3n. En conjunto, esto evita la erosi\u00f3n del aluminio y el magnesio, reduce considerablemente la tensi\u00f3n t\u00e9rmica generada durante el precalentamiento r\u00e1pido y ofrece una elevada resistencia al choque t\u00e9rmico. Recientemente, se ha completado con \u00e9xito una peque\u00f1a prueba de producci\u00f3n. El producto presenta una elevada resistencia a la compresi\u00f3n a temperatura ambiente (1,2 MPa), una elevada resistencia a la flexi\u00f3n a temperatura ambiente (0,8 MPa) y una buena resistencia al choque t\u00e9rmico, lo que permite satisfacer las necesidades de filtraci\u00f3n y purificaci\u00f3n de las aleaciones de aluminio con alto contenido en magnesio.<\/p>\n

 <\/p>\n

\"Cuerpo

Cuerpo moldeado<\/p><\/div>\n

\"Cuerpo

producto terminado<\/p><\/div>","protected":false},"excerpt":{"rendered":"

Alumina-based ceramic foam filter plates for filtering and purifying molten aluminum occupy the mainstream market. They use phosphate as a high-temperature binder, which can meet the general requirements for the purification and filtration of molten aluminum. Hidden dangers of corrosion and environmental pollution. The magnesium…<\/p>","protected":false},"author":1,"featured_media":0,"parent":2399,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"yoast_head":"\nSuccessful trial production of phosphorus-free filter plate online<\/title>\n<meta name=\"description\" content=\"Adtech has successfully developed a new type of corrosion-resistant and environmentally friendly foam ceramic filter plate that does not...\" \/>\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\/news\/phosphorus-free-filter-plate\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Successful trial production of phosphorus-free filter plate online\" \/>\n<meta property=\"og:description\" content=\"Adtech has successfully developed a new type of corrosion-resistant 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