filtro de espuma cer\u00e2mica<\/a> est\u00e1 intimamente relacionado \u00e0 sua instala\u00e7\u00e3o e uso corretos. Ao mesmo tempo, devido ao processo de filtragem, n\u00e3o se pode ignorar as medidas convencionais e necess\u00e1rias adotadas para reduzir a ocorr\u00eancia de inclus\u00f5es em opera\u00e7\u00f5es de processo, como fundi\u00e7\u00e3o, tratamento em forno e moldagem. Tamb\u00e9m \u00e9 necess\u00e1rio evitar a recontamina\u00e7\u00e3o do alum\u00ednio l\u00edquido limpo filtrado.<\/p>\nInstala\u00e7\u00e3o e uso do filtro cer\u00e2mico de Al fundido<\/p>\n
1. Use a placa de filtro corretamente:
\nO tamanho da placa filtrante e o n\u00famero de orif\u00edcios devem ser selecionados de acordo com a faixa de vaz\u00e3o do tipo espec\u00edfico de fundi\u00e7\u00e3o, o n\u00edvel m\u00e1ximo do metal durante o processo de filtragem, o volume total de filtragem e o grau de pureza do alum\u00ednio l\u00edquido original.<\/p>\n
2. O tratamento de filtragem pr\u00e9-fus\u00e3o n\u00e3o pode ser ignorado:
\nComo, por exemplo, esc\u00f3ria comum proveniente de fornos de fus\u00e3o e de manuten\u00e7\u00e3o de alum\u00ednio, fornos de limpeza e fornos de refino. Em particular, ainda \u00e9 necess\u00e1rio um dispositivo de desgaseifica\u00e7\u00e3o em linha, pois ele n\u00e3o apenas reduz o teor de hidrog\u00eanio da massa fundida, mas tamb\u00e9m remove algumas inclus\u00f5es n\u00e3o met\u00e1licas.<\/p>\n
3. A placa filtrante deve ser compat\u00edvel com o bloco refrat\u00e1rio quadrado:
\nAmbos s\u00e3o adequados para vedar, a fim de impedir que o metal flua para dentro da caixa de fundi\u00e7\u00e3o pela fresta sem ser filtrado, al\u00e9m de evitar que a placa filtrante de espuma flutue no banho de alum\u00ednio devido ao seu baixo peso.<\/p>\n
4. Fa\u00e7a o aquecimento antes de usar:<\/p>\n
Pr\u00e9-aque\u00e7a para remover a umidade e facilitar a filtra\u00e7\u00e3o transit\u00f3ria inicial. Para o pr\u00e9-aquecimento, pode-se utilizar aquecimento el\u00e9trico ou a g\u00e1s. Normalmente, isso leva cerca de 15 minutos.<\/p>\n
5. No processo normal de filtragem, n\u00e3o \u00e9 necess\u00e1rio usar esc\u00f3ria para evitar batidas e vibra\u00e7\u00f5es na placa do filtro. Ao mesmo tempo, o tanque de lavagem deve ser preenchido com alum\u00ednio fundido, para que n\u00e3o haja preocupa\u00e7\u00e3o excessiva com o alum\u00ednio fundido.<\/p>\n
6. Ap\u00f3s a fundi\u00e7\u00e3o, drene o metal da c\u00e9lula de fluxo e da placa de filtragem.<\/p>\n
7. Por fim, limpe a borda e remova a placa filtrante ap\u00f3s a cura.<\/p>","protected":false},"excerpt":{"rendered":"
The molten Al ceramic filters adopt the adsorption principle, which can effectively remove the large inclusions in the molten aluminum and effectively adsorb the small…<\/p>","protected":false},"author":1,"featured_media":8284,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-8283","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"\n
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