{"id":5082,"date":"2020-09-25T06:08:28","date_gmt":"2020-09-25T06:08:28","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=5082"},"modified":"2020-09-25T06:08:28","modified_gmt":"2020-09-25T06:08:28","slug":"ceramic-foam-filter-filtration-mechanism","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/ceramic-foam-filter-filtration-mechanism\/","title":{"rendered":"Mecanismo de filtraci\u00f3n del filtro de espuma cer\u00e1mica"},"content":{"rendered":"

La placa filtrante de espuma cer\u00e1mica est\u00e1 compuesta por un esqueleto ramificado de cer\u00e1mica fina. El mecanismo de filtraci\u00f3n de la placa de espuma cer\u00e1mica se basa en tres aspectos: el primero consiste en retener las part\u00edculas de impurezas en cada orificio de la placa filtrante. El segundo es que, cuando el metal fundido atraviesa la placa filtrante, debido a los canales sinuosos del interior de la misma, el caudal del metal fundido var\u00eda considerablemente, y algunas part\u00edculas de impurezas muy peque\u00f1as se depositan en determinados rincones de la placa filtrante. El tercero se debe a que la estructura del filtro tiene una superficie enorme, y esta estructura cer\u00e1mica es, en s\u00ed misma, un cuerpo cer\u00e1mico poroso con poros interconectados y microcanales en su interior.<\/p>\n

Mecanismo de filtraci\u00f3n del filtro de espuma cer\u00e1mica<\/h2>\n

La superficie de este filtro de espuma cer\u00e1mica<\/a>\u00a0No es humedecida por el metal fundido y tiene una gran capacidad de adsorci\u00f3n. Puede adsorber inclusiones s\u00f3lidas finas o inclusiones de fundente l\u00edquido que no son humedecidas por el metal fundido. La placa filtrante de espuma cer\u00e1mica no solo puede filtrar part\u00edculas de inclusiones finas de tan solo 10-20 \u03bcm en la aleaci\u00f3n fundida, sino tambi\u00e9n filtrar inclusiones de fundente l\u00edquido que son dif\u00edciles de filtrar con medios filtrantes generales. Los principales par\u00e1metros t\u00e9cnicos de la placa filtrante de espuma cer\u00e1mica son la porosidad y la uniformidad, la porosidad abierta o ciega, la planitud, la resistencia y la fragilidad. Antes de su uso, precaliente y seque la placa filtrante; a continuaci\u00f3n, d\u00e9 unos golpecitos con la mano para que los restos de cer\u00e1mica se desprendan de la placa, con el fin de evitar que estos restos entren en el aluminio fundido.<\/p>\n

\"Mecanismo<\/p>\n

Seg\u00fan el an\u00e1lisis experimental basado en los principios de la mec\u00e1nica de fluidos, debido a la configuraci\u00f3n sinuosa del canal de flujo del filtro de espuma cer\u00e1mica, su capacidad para transformar el flujo turbulento del metal l\u00edquido en un flujo laminar es muy elevada.<\/p>\n

Gracias a la rectificaci\u00f3n del filtro, el metal fundido, que inicialmente presentaba una fuerte turbulencia, pasa a ser laminar al atravesar el filtro. Tras atravesar el filtro, necesita un tramo de transici\u00f3n m\u00e1s largo para recuperar su estado turbulento original. En esta zona de transici\u00f3n, el flujo del l\u00edquido tarda demasiado en desarrollar turbulencias o estas son menores, lo que evita la oxidaci\u00f3n secundaria del metal.<\/p>","protected":false},"excerpt":{"rendered":"

The foam ceramic filter plate is composed of a fine ceramic branch skeleton. The ceramic foam filter filtration mechanism has three aspects: one is to…<\/p>","protected":false},"author":1,"featured_media":5119,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-5082","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"\nCeramic Foam Filter Filtration Mechanism for Molten Metal<\/title>\n<meta name=\"description\" content=\"The ceramic foam filter filtration mechanism has three aspects: one is to block impurity particles at each hole of the filter plate...\" \/>\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\/ceramic-foam-filter-filtration-mechanism\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" 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