filtro de espuma cer\u00e1mica<\/a> Al tener una estructura compleja, la separaci\u00f3n mec\u00e1nica retiene las inclusiones de mayor tama\u00f1o que los poros de la superficie del filtro y las deposita en el extremo de entrada del metal fundido del filtro, pasando a formar parte del mismo. A medida que aumenta la acumulaci\u00f3n de inclusiones en la superficie del filtro, se forma gradualmente una capa de \u201ctorta de filtraci\u00f3n\u201d, lo que estrecha a\u00fan m\u00e1s el canal de flujo del metal fundido. Por lo tanto, la superficie del nuevo medio filtrante puede retener inclusiones m\u00e1s finas. Al mismo tiempo, el interior del medio tambi\u00e9n ejerce un efecto filtrante, y algunos de los numerosos orificios que atraviesan el cuerpo cer\u00e1mico presentan peque\u00f1as hendiduras, mientras que otros tienen rincones muertos. Estas zonas con diferentes configuraciones son posibles puntos de interceptaci\u00f3n de las inclusiones, y en el interior del filtro tambi\u00e9n se produce un efecto de \u201ctorta de filtraci\u00f3n\u201d.<\/p>\n![\"\"](\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2021\/08\/Molten-Alu-Purification-Treatment.jpg\")
<\/p>\n
Efecto superficial: cuando el metal fundido fluye a trav\u00e9s del cuerpo cer\u00e1mico de estructura compleja, se divide en numerosas corrientes peque\u00f1as, lo que aumenta la superficie de contacto y la probabilidad de contacto entre las part\u00edculas presentes en el metal fundido y el medio filtrante. Dado que la superficie del filtro presenta numerosas peque\u00f1as protuberancias y hendiduras, el tama\u00f1o de las hendiduras es de aproximadamente 1 a 10 \u00b5m, lo que produce un efecto de adsorci\u00f3n electrost\u00e1tica y adhesi\u00f3n que permite interceptar las inclusiones.<\/p>\n
Efecto de rectificaci\u00f3n: cuando el metal fundido fluye a trav\u00e9s del filtro de espuma cer\u00e1mica, se divide en corrientes formadas por numerosas unidades peque\u00f1as, lo que hace que el flujo del l\u00edquido tienda a moverse de forma laminar. Cuando el metal fundido se encuentra en estado de flujo laminar, dado que su densidad es mucho mayor que la de las inclusiones, estas tienen tiempo suficiente para flotar y ser eliminadas.<\/p>","protected":false},"excerpt":{"rendered":"
Foam ceramic filters for metal casting have been widely used in aluminum foundry because of their good economic benefits and strong impurity removal function. The…<\/p>","protected":false},"author":1,"featured_media":9888,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[12356,1729,12355],"class_list":["post-9887","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-filter-for-metal-casting","tag-foam-ceramic-filters","tag-metal-filtration-mechanism"],"yoast_head":"\n
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