{"id":8289,"date":"2021-03-31T06:17:19","date_gmt":"2021-03-31T06:17:19","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=8289"},"modified":"2021-03-31T06:17:19","modified_gmt":"2021-03-31T06:17:19","slug":"porous-refractory-filter","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/porous-refractory-filter\/","title":{"rendered":"Filtro refractario poroso"},"content":{"rendered":"<p>El metal fundido fluye a trav\u00e9s de una serie de etapas de purificaci\u00f3n integradas dispuestas sucesivamente, incluida una etapa de eliminaci\u00f3n de escoria, en la que esta se separa del metal fundido mediante filtros refractarios tejidos, eliminando as\u00ed las impurezas en forma de part\u00edculas de mayor tama\u00f1o del metal fundido. La etapa de fundici\u00f3n elimina el hidr\u00f3geno met\u00e1lico arrastrado y disuelto del metal fundido; una etapa de adsorci\u00f3n y una etapa de filtraci\u00f3n final, en la que el metal fundido pasa a trav\u00e9s de m\u00faltiples placas refractarias que adsorben las impurezas. La etapa de filtraci\u00f3n final, en la que el metal fundido se filtra a trav\u00e9s de un medio filtrante refractario r\u00edgido y poroso para eliminar las part\u00edculas m\u00e1s finas.<\/p>\n<p>En un tipo de operaci\u00f3n convencional de colada continua, el aluminio o una aleaci\u00f3n del mismo se funde en un horno y se transfiere, a trav\u00e9s de otros recipientes, al dep\u00f3sito de colada de una m\u00e1quina de colada continua. En el aluminio fundido se encuentran arrastrados \u00f3xidos de otros metales que act\u00faan como impurezas, \u00f3xidos no met\u00e1licos y otros contaminantes s\u00f3lidos en forma de part\u00edculas, como, por ejemplo, part\u00edculas finamente divididas de \u00f3xido de aluminio que se forman en la superficie del aluminio fundido.<\/p>\n<p>Adem\u00e1s, los productos gaseosos \u2014en particular el hidr\u00f3geno generado por la reacci\u00f3n del aluminio fundido con la humedad presente en los distintos recipientes del sistema y en el entorno circundante\u2014 suelen quedar atrapados o disueltos en el aluminio fundido. Si no se eliminan del metal fundido antes de su colada, tanto las part\u00edculas como los productos gaseosos pueden contribuir a la formaci\u00f3n de huecos e inclusiones indeseables en el metal fundido.<\/p>\n<p>Cuando el metal fundido se somete posteriormente a un proceso de conformado para obtener un producto final, como varillas y alambres de fabricaci\u00f3n continua, las inclusiones y los poros suelen provocar defectos que dan lugar a roturas y fisuras en el producto conformado, a unas propiedades mec\u00e1nicas deficientes y a una reducci\u00f3n de la conductividad el\u00e9ctrica del producto final.<\/p>\n<p><a href=\"http:\/\/www.alalloycasting.com\/es\/alumina-ceramic-foam-filter\/\">Filtro de espuma cer\u00e1mica de al\u00famina<\/a> El filtro cer\u00e1mico para la fundici\u00f3n de aluminio desempe\u00f1a un papel muy importante en el sistema de purificaci\u00f3n del aluminio fundido. Se trata de un filtro refractario poroso. El filtro cer\u00e1mico para fundici\u00f3n permite eliminar eficazmente las inclusiones de gran tama\u00f1o presentes en el aluminio fundido y reducir de forma efectiva el tama\u00f1o de las microinclusiones, mejorando as\u00ed la calidad de la superficie y el rendimiento del producto.<\/p>","protected":false},"excerpt":{"rendered":"<p>The molten metal flows through a series of successively arranged integrated purification stages, including a slag removal stage, in which it is removed from the&hellip;<\/p>","protected":false},"author":1,"featured_media":8290,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-8289","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Porous Refractory Filter,Alumina Ceramic Foam Filter<\/title>\n<meta name=\"description\" content=\"Alumina ceramic foam filter plays a very important role in the aluminum liquid purification system. 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