Caixa de filtro CFF<\/a> \u00e9 fabricada com material refrat\u00e1rio. \u00c9 capaz de suportar m\u00faltiplos choques t\u00e9rmicos, tanto a frio quanto a quente, sem rachar. Al\u00e9m disso, apresenta as vantagens de alta resist\u00eancia e bom desempenho de isolamento. Quanto mais pr\u00f3xima a caixa de filtro estiver da placa desviadora, melhor. Isso porque ela pode encurtar a dist\u00e2ncia percorrida pelo alum\u00ednio l\u00edquido e reduzir a regenera\u00e7\u00e3o de \u00f3xidos. O alum\u00ednio l\u00edquido sai pela boca do forno, passa pela caixa de filtro e, em seguida, flui para a placa de distribui\u00e7\u00e3o atrav\u00e9s da ranhura de fluxo.<\/p>\n![\"Sistema](\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2020\/05\/Filtration-System-1.jpg\")
<\/p>\n
Quando o dispositivo de filtragem \u00e9 acionado, a diferen\u00e7a de n\u00edvel antes e depois da filtragem da massa fundida \u00e9 de cerca de 50 mm. No entanto, \u00e0 medida que o tempo de filtragem se prolonga, as inclus\u00f5es na superf\u00edcie da placa filtrante e na parede dos poros aumentam, a vaz\u00e3o de filtragem diminui e a diferen\u00e7a de n\u00edvel aumenta. Ao final da fundi\u00e7\u00e3o, a queda aumenta para 60 a 120 mm. A escolha da placa filtrante depende do fluxo do alum\u00ednio l\u00edquido.<\/p>\n
Em segundo lugar, deve-se levar em considera\u00e7\u00e3o a pureza da massa fundida, o teor de inclus\u00f5es e o vaz\u00e3o total da massa fundida. Ao projetar o dispositivo de filtragem, a caixa de filtragem deve ser selecionada de acordo com as especifica\u00e7\u00f5es da placa de filtragem escolhida, e deve-se levar em considera\u00e7\u00e3o a queda na boca do forno e a placa de desvio. Al\u00e9m disso, deve-se garantir que a instala\u00e7\u00e3o e a desmontagem sejam muito seguras e convenientes. Ap\u00f3s a conclus\u00e3o da fundi\u00e7\u00e3o da massa fundida, o alum\u00ednio l\u00edquido na caixa de filtragem pode ser completamente drenado.<\/p>\n
A pr\u00e1tica comprovou que a placa filtrante de cer\u00e2mica espumosa \u00e9 uma ferramenta eficaz para remover inclus\u00f5es oxidadas da massa fundida. A filtragem geral por fibras s\u00f3 consegue remover inclus\u00f5es de grande porte, enquanto o sistema de filtragem por cer\u00e2mica espumosa \u00e9 capaz de filtrar simultaneamente tanto as inclus\u00f5es de grande porte quanto as de tamanho fino.<\/p>\n
![\"Sistema](\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2020\/05\/Filtration-System-2.jpg\")
<\/p>\n
A placa filtrante de cer\u00e2mica espumada possui uma estrutura em rede multicamadas e orif\u00edcios de passagem multidimensionais, estando os orif\u00edcios interligados entre si. Durante a filtragem, o alum\u00ednio l\u00edquido transporta as inclus\u00f5es ao longo dos canais sinuosos e poros. E as inclus\u00f5es s\u00e3o diretamente interceptadas, adsorvidas e depositadas quando o alum\u00ednio l\u00edquido entra em contato com o esqueleto espumado da placa filtrante. Quando o metal fundido flui pelo orif\u00edcio, o canal da placa filtrante \u00e9 curvo. O metal fundido que flui pelo canal muda a dire\u00e7\u00e3o do fluxo, e as inclus\u00f5es colidem com a parede do orif\u00edcio e aderem firmemente a ela.<\/p>\n
O tamanho e a porosidade garantem a efic\u00e1cia da placa filtrante. Quanto maior for a porosidade da placa filtrante, pior ser\u00e1 a remo\u00e7\u00e3o da esc\u00f3ria. Para pe\u00e7as fundidas de alum\u00ednio com requisitos rigorosos, deve-se optar por uma placa filtrante com baixa porosidade.<\/p>","protected":false},"excerpt":{"rendered":"
The Filtration System is widely used in aluminum water filtration of aluminum casting process. It can prevent particulate impurities in the aluminum liquid from entering…<\/p>","protected":false},"author":1,"featured_media":4303,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[113,138],"tags":[4625,1484,4624,224,225,4626],"class_list":["post-2005","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ceramic-filter-box","category-seo","tag-aluminium-fiter-box","tag-cff-filter-box","tag-filter-box","tag-filtration-system-for-aluminum-casting","tag-porous-ceramic-filter-system","tag-refractory-launders-and-filter-box"],"yoast_head":"\n
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