{"id":10974,"date":"2021-10-29T07:44:29","date_gmt":"2021-10-29T07:44:29","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=10974"},"modified":"2021-10-29T07:44:58","modified_gmt":"2021-10-29T07:44:58","slug":"metal-casting-filter","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/pt\/metal-casting-filter\/","title":{"rendered":"Filtro para fundi\u00e7\u00e3o de metais"},"content":{"rendered":"

A filtragem por fundi\u00e7\u00e3o de metal \u00e9 o m\u00e9todo mais eficaz e confi\u00e1vel para remover inclus\u00f5es n\u00e3o met\u00e1licas da liga de alum\u00ednio fundida. Em princ\u00edpio, ela pode ser dividida em filtragem por bolo de filtro e filtragem profunda. Existem muitos tipos de filtragem, sendo que os melhores s\u00e3o os tubos filtrantes e os filtros de espuma cer\u00e2mica.<\/p>\n

Quando as part\u00edculas de impureza presentes no alum\u00ednio fundido fluem atrav\u00e9s dos microporos do filtro cer\u00e2mico poroso<\/a> elemento, elas entram em contato com a parede do microporo devido \u00e0 in\u00e9rcia. O impacto inercial \u00e9 proporcional ao quadrado do di\u00e2metro das part\u00edculas de impureza e inversamente proporcional \u00e0 vaz\u00e3o e \u00e0 viscosidade do fluido.<\/p>\n

Ap\u00f3s um certo tempo de opera\u00e7\u00e3o do filtro de fundi\u00e7\u00e3o de metal, pode ocorrer obstru\u00e7\u00e3o interna do elemento filtrante devido \u00e0s impurezas particuladas presentes no meio fluido, e a camada superficial do bolo de filtra\u00e7\u00e3o fica mais espessa, resultando em um aumento na resist\u00eancia do filtro. Quando a vaz\u00e3o diminui, o g\u00e1s pode refluir e se misturar com o l\u00edquido. O m\u00e9todo de lavagem \u00e9 renov\u00e1vel, e o equipamento \u00e9 basicamente restaurado ao seu estado original. Portanto, a realiza\u00e7\u00e3o programada de retrolavagem e purga reversa pode prolongar significativamente a vida \u00fatil do elemento filtrante cer\u00e2mico poroso.<\/p>\n

\"\"<\/p>\n

Ap\u00f3s o golpe na Guin\u00e9, a situa\u00e7\u00e3o interna pode n\u00e3o ser t\u00e3o tensa quanto se pensava. Os militares respons\u00e1veis pelo golpe na Guin\u00e9 n\u00e3o tinham a inten\u00e7\u00e3o de interromper a produ\u00e7\u00e3o nacional.<\/p>\n

No entanto, atualmente n\u00e3o h\u00e1 garantia quanto \u00e0 seguran\u00e7a dos bens das empresas russas que operam na Guin\u00e9, como a Rusal, a Lukoil, o Grupo Lenova, a Alrosa e a Rosneft.<\/p>\n

No entanto, ele informou que o comunicado divulgado pelas for\u00e7as especiais das For\u00e7as Armadas, respons\u00e1veis pelo golpe, indicava que o golpe n\u00e3o teria um impacto significativo no abastecimento de mat\u00e9rias-primas para a produ\u00e7\u00e3o de alum\u00ednio.<\/p>\n

Atualmente, a Rusal ainda mant\u00e9m a produ\u00e7\u00e3o ininterrupta na Guin\u00e9.<\/p>\n

Mironiuk afirmou: \u201cA compra de a\u00e7\u00f5es da Rusal e do En+ Group nas condi\u00e7\u00f5es atuais n\u00e3o se baseia inteiramente nos acontecimentos na Guin\u00e9.\u201d.<\/p>\n

Al\u00e9m do aumento nos pre\u00e7os do alum\u00ednio, o fator negativo no mercado global \u00e9 que a bauxita extra\u00edda na Guin\u00e9 pela subsidi\u00e1ria da Rusal representa at\u00e9 50% da produ\u00e7\u00e3o total de todo o grupo de empresas.<\/p>\n

Se a Guin\u00e9 proibir a exporta\u00e7\u00e3o de bauxita ou adotar medidas para nacionalizar ativos, a situa\u00e7\u00e3o poder\u00e1 passar de um momento positivo para um momento negativo para o valor de mercado da empresa.<\/p>","protected":false},"excerpt":{"rendered":"

Metal casting filter is the most effective and reliable method to remove non-metallic inclusions in aluminum alloy melt. In principle, it can be divided into…<\/p>","protected":false},"author":1,"featured_media":10981,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[825,1453,12768],"class_list":["post-10974","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-ceramic-foam-filter-for-foundry","tag-foundry-filter","tag-metal-casting-filter"],"yoast_head":"\nMetal Casting Filter -Ceramic Foam Filter for Foundry<\/title>\n<meta name=\"description\" content=\"Metal casting ceramic foam filter is the most effective and reliable method to remove non-metallic inclusions in aluminum alloy melt.\" \/>\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\/metal-casting-filter\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" 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