caixa de filtro de placas<\/a> e instalada em linha entre o sistema de processamento de metais e o equipamento de fundi\u00e7\u00e3o. A caixa de filtro de placas tem a dupla fun\u00e7\u00e3o de filtrar e aquecer o alum\u00ednio fundido. O princ\u00edpio da filtragem consiste na passagem do alum\u00ednio fundido pela placa de filtro de cer\u00e2mica para reter as impurezas presentes no alum\u00ednio fundido. O efeito da filtragem depende da escolha do n\u00famero de poros de filtragem, e a vaz\u00e3o de filtragem depende do tamanho, do n\u00famero e da distribui\u00e7\u00e3o dos poros da placa filtrante.<\/p>\n![\"Filtro](\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2021\/09\/Foundry-Filter.jpg\")
<\/p>\n
Mecanismo de filtragem do metal fundido em fundi\u00e7\u00f5es de alum\u00ednio: as impurezas s\u00f3lidas s\u00e3o depositadas principalmente dentro dos poros do meio filtrante e, \u00e0 medida que a filtragem avan\u00e7a, a se\u00e7\u00e3o efetiva de filtragem dos poros diminui gradualmente, a permeabilidade diminui e a precis\u00e3o da filtragem aumenta.<\/p>\n
O filtro de espuma cer\u00e2mica possui uma grande \u00e1rea superficial espec\u00edfica, e o material fundido e o meio filtrante t\u00eam oportunidade suficiente de contato. Quando o material fundido transporta impurezas s\u00f3lidas e se move ao longo do filtro em velocidades vari\u00e1veis, como a densidade e a velocidade das inclus\u00f5es s\u00f3lidas s\u00e3o diferentes das do material fundido, \u00e9 poss\u00edvel que elas se depositem sob a a\u00e7\u00e3o da gravidade. Al\u00e9m disso, devido \u00e0 natureza n\u00e3o esf\u00e9rica das part\u00edculas s\u00f3lidas e ao campo de for\u00e7a de cisalhamento irregular, as impurezas se deslocam lateralmente, ficando assim presas ou sendo adsorvidas pelas paredes do canal. Portanto, o filtro de espuma cer\u00e2mica \u00e9 capaz de reter inclus\u00f5es s\u00f3lidas muito menores do que o di\u00e2metro de seus poros.<\/p>","protected":false},"excerpt":{"rendered":"
Aluminium foundries filter molten metal filtration is the most effective and reliable method to remove non-metallic inclusions in the aluminum melt. There are many ways…<\/p>","protected":false},"author":1,"featured_media":10229,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[12663,4682],"class_list":["post-10228","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ceramic-foam-filter","tag-aluminium-foundries-filter","tag-ceramic-foam-filter-for-casting"],"yoast_head":"\n
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