{"id":5848,"date":"2020-10-20T09:32:20","date_gmt":"2020-10-20T09:32:20","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=5848"},"modified":"2020-10-20T09:32:20","modified_gmt":"2020-10-20T09:32:20","slug":"ceramic-foam-filter-filtering","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/pt\/ceramic-foam-filter-filtering\/","title":{"rendered":"Filtragem com filtro de espuma cer\u00e2mica"},"content":{"rendered":"

As inclus\u00f5es n\u00e3o met\u00e1licas na massa fundida de alum\u00ednio causam estrias superficiais e poros min\u00fasculos durante o processo de lamina\u00e7\u00e3o da folha de alum\u00ednio. As estrias superficiais tamb\u00e9m s\u00e3o defeitos permitidos em bases de chapas PS de alta qualidade. Para atender \u00e0s necessidades de folhas de alum\u00ednio em bruto de alta qualidade e bases de chapas PS, a redu\u00e7\u00e3o das inclus\u00f5es n\u00e3o met\u00e1licas na massa fundida de alum\u00ednio e a detec\u00e7\u00e3o do tamanho e da distribui\u00e7\u00e3o das inclus\u00f5es met\u00e1licas nessa massa fundida tornaram-se uma importante transforma\u00e7\u00e3o na produ\u00e7\u00e3o de folhas de alum\u00ednio. O objetivo da filtragem \u00e9 remover as inclus\u00f5es n\u00e3o met\u00e1licas do alum\u00ednio fundido. Na produ\u00e7\u00e3o de fundi\u00e7\u00e3o e lamina\u00e7\u00e3o, a maioria dos fabricantes utiliza esse\u00a0filtro de espuma cer\u00e2mica<\/a>\u00a0m\u00e9todo de filtragem.<\/p>\n

As caracter\u00edsticas do filtro de espuma cer\u00e2mica AdTech s\u00e3o: facilidade de uso, baixa queda de press\u00e3o inicial, melhor efeito de filtragem e pre\u00e7o relativamente baixo, por isso tem sido amplamente utilizado. Atualmente, o dispositivo de filtragem CFF para alum\u00ednio fundido mais comumente utilizado \u00e9 uma placa filtrante de cer\u00e2mica porosa de dupla camada. O efeito de filtragem depende da passagem gradual do alum\u00ednio fundido pela placa filtrante, bem como da combina\u00e7\u00e3o entre o n\u00famero de orif\u00edcios na placa filtrante de camada \u00fanica e o n\u00famero de orif\u00edcios na placa filtrante de dupla camada.<\/p>\n

\"Filtragem<\/p>\n

Na pr\u00e1tica de produ\u00e7\u00e3o, \u00e9 poss\u00edvel selecionar materiais filtrantes com diferentes tamanhos de poros e alterar o m\u00e9todo de instala\u00e7\u00e3o do filtro para modificar o coeficiente do par\u00e2metro cin\u00e9tico de filtra\u00e7\u00e3o. Escolha materiais filtrantes de diferentes espessuras para alterar sua capacidade de capturar inclus\u00f5es. Utilizando materiais filtrantes com diferentes di\u00e2metros de poros \u2014 uma combina\u00e7\u00e3o razo\u00e1vel que v\u00e1 de poros grandes a poros pequenos \u2014, ou seja, ao mesmo tempo em que se alteram os par\u00e2metros do filtro e se aumenta a espessura do filtro e o n\u00famero de est\u00e1gios de filtragem, refor\u00e7a-se a capacidade de capturar inclus\u00f5es. Aumente a \u00e1rea transversal do fluxo, reduza a vaz\u00e3o da massa fundida, aumente a probabilidade de captura de inclus\u00f5es etc., para melhorar o efeito de filtragem e atingir o objetivo desejado.<\/p>","protected":false},"excerpt":{"rendered":"

Non-metallic inclusions in the aluminum melt will cause surface streaks and pinholes during the aluminum foil rolling process. Surface streaks are also the allowable defects…<\/p>","protected":false},"author":1,"featured_media":5850,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20,138],"tags":[],"class_list":["post-5848","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ceramic-foam-filter","category-seo"],"yoast_head":"\nCeramic Foam Filter Filtering in Casting and Rolling Production<\/title>\n<meta name=\"description\" content=\"In casting and rolling production, most manufacturers use this\u00a0ceramic foam filter\u00a0filtering method, it can remove non-metallic inclusions.\u00a0\" \/>\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\/pt\/ceramic-foam-filter-filtering\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta 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