{"id":8940,"date":"2021-05-27T06:02:12","date_gmt":"2021-05-27T06:02:12","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=8940"},"modified":"2021-05-27T06:02:12","modified_gmt":"2021-05-27T06:02:12","slug":"advanced-filtering-devices","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/pt\/advanced-filtering-devices\/","title":{"rendered":"Dispositivos de filtragem avan\u00e7ados"},"content":{"rendered":"

Dispositivos de filtragem avan\u00e7ados s\u00e3o utilizados nas oficinas de fus\u00e3o e fundi\u00e7\u00e3o de f\u00e1bricas de processamento de alum\u00ednio, incluindo principalmente dispositivos de filtragem CFF, dispositivos de filtragem de leito profundo e dispositivos de filtragem tubular. A filtragem por filtro de espuma cer\u00e2mica e a filtragem de leito profundo pertencem \u00e0 filtragem interna, enquanto a filtragem tubular envolve a dupla captura de impurezas na superf\u00edcie e no interior.<\/p>\n

As impurezas na massa fundida de ligas de alum\u00ednio cont\u00eam, em maior ou menor grau, g\u00e1s, diversas inclus\u00f5es n\u00e3o met\u00e1licas e outros metais nocivos. A presen\u00e7a dessas impurezas afeta diretamente a qualidade da liga de alum\u00ednio, causando defeitos nos lingotes, tais como porosidade, poros, inclus\u00f5es de esc\u00f3ria, etc. Esses defeitos, por sua vez, t\u00eam efeitos adversos nas propriedades mec\u00e2nicas, nas propriedades de processamento, na resist\u00eancia \u00e0 corros\u00e3o, nas propriedades de tratamento de superf\u00edcie e na apar\u00eancia dos produtos transformados posteriormente. Para superar os efeitos adversos mencionados acima, a purifica\u00e7\u00e3o da massa fundida na produ\u00e7\u00e3o de pe\u00e7as fundidas de liga de alum\u00ednio torna-se extremamente importante.<\/p>\n

Atualmente, a purifica\u00e7\u00e3o por filtragem com filtro de espuma cer\u00e2mica \u00e9 o m\u00e9todo mais eficaz para remover inclus\u00f5es n\u00e3o met\u00e1licas do alum\u00ednio fundido e das ligas de alum\u00ednio. Sem a garantia de um processo adequado de tratamento da massa fundida, o material n\u00e3o consegue desempenhar plenamente sua fun\u00e7\u00e3o.<\/p>\n

\"Filtro<\/p>\n

Desde a primeira pesquisa bem-sucedida sobre filtros de espuma cer\u00e2mica para ligas de alum\u00ednio, na d\u00e9cada de 1970, a tecnologia desses filtros tem se desenvolvido rapidamente e \u00e9, atualmente, a mais amplamente utilizada em usinas de processamento de alum\u00ednio. O filtro de espuma cer\u00e2mica \u00e9 instalado em dispositivos de filtragem avan\u00e7ados, o que permite obter melhores resultados.<\/p>\n

Os dispositivos de filtragem avan\u00e7ados est\u00e3o se tornando cada vez mais comuns, pois as pessoas t\u00eam exig\u00eancias cada vez maiores quanto \u00e0 qualidade dos produtos de alum\u00ednio. O filtro cer\u00e2mico para fundi\u00e7\u00e3o<\/a> n\u00e3o s\u00f3 consegue remover com efic\u00e1cia um grande n\u00famero de inclus\u00f5es de \u00f3xido do alum\u00ednio fundido, como tamb\u00e9m filtrar pequenas inclus\u00f5es de alguns m\u00edcrons, o que n\u00e3o \u00e9 poss\u00edvel com a tecnologia tradicional.<\/p>\n

A tecnologia AdTech apresenta bons resultados em filtros de espuma cer\u00e2mica importados. O n\u00edvel de filtragem (tamanho dos poros) varia de 20 PPI a 80 ppi, mas os valores de 30 ppi e 50 ppi s\u00e3o os mais comumente utilizados. O design do filtro de espuma cer\u00e2mica inclui filtragem de camada \u00fanica e filtragem de camada dupla.<\/p>","protected":false},"excerpt":{"rendered":"

Advanced filtering devices are used in the melting and casting workshops of aluminum processing plants, mainly including CFF filtering devices, deep bed filtering devices, and…<\/p>","protected":false},"author":1,"featured_media":8941,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[],"class_list":["post-8940","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-filtering-equipment"],"yoast_head":"\nAdvanced Filtering Devices for Molten Aluminum Casting<\/title>\n<meta name=\"description\" content=\"Advanced filtering devices are used in the melting and casting workshops of aluminum processing plants, including CFF filtering devices.\" \/>\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\/advanced-filtering-devices\/\" 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