{"id":12432,"date":"2022-01-23T07:11:54","date_gmt":"2022-01-23T07:11:54","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=12432"},"modified":"2022-01-21T07:48:06","modified_gmt":"2022-01-21T07:48:06","slug":"%d0%ba%d0%be%d1%80%d0%be%d0%b1%d0%ba%d0%b0-%d1%84%d0%b8%d0%bb%d1%8c%d1%82%d1%80%d0%b0-%d0%be%d1%87%d0%b8%d1%81%d1%82%d0%ba%d0%b8-%d0%b0%d0%bb%d1%8e%d0%bc%d0%b8%d0%bd%d0%b8%d1%8f","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/pt\/%d0%ba%d0%be%d1%80%d0%be%d0%b1%d0%ba%d0%b0-%d1%84%d0%b8%d0%bb%d1%8c%d1%82%d1%80%d0%b0-%d0%be%d1%87%d0%b8%d1%81%d1%82%d0%ba%d0%b8-%d0%b0%d0%bb%d1%8e%d0%bc%d0%b8%d0%bd%d0%b8%d1%8f\/","title":{"rendered":"Caixa do filtro de purifica\u00e7\u00e3o de alum\u00ednio"},"content":{"rendered":"

A caixa de filtro para purifica\u00e7\u00e3o de alum\u00ednio \u00e9 utilizada na fundi\u00e7\u00e3o de lingotes para extrus\u00e3o ou na extrus\u00e3o de produtos de uso geral.<\/p>\n

A caixa de filtro para purifica\u00e7\u00e3o de alum\u00ednio \u00e9 amplamente utilizada no pa\u00eds e no exterior.<\/p>\n

A filtragem do alum\u00ednio fundido pode ser de superf\u00edcie ou interna. A filtragem de superf\u00edcie significa que as impurezas s\u00f3lidas se depositam principalmente na superf\u00edcie do material filtrante. A filtra\u00e7\u00e3o interna significa que as impurezas do alum\u00ednio l\u00edquido fluem por canais sinuosos e poros no material filtrante, sendo diretamente retidas e adsorvidas. Devido ao dep\u00f3sito, \u00e0 ader\u00eancia \u00e0 parede do orif\u00edcio e \u00e0 forte ader\u00eancia \u00e0 parede do orif\u00edcio, \u00e0 medida que a filtragem avan\u00e7a, a se\u00e7\u00e3o transversal efetiva do filtro do canal diminui gradualmente, a permeabilidade diminui e a precis\u00e3o da filtragem aumenta. .<\/p>\n

Atualmente, as f\u00e1bricas de processamento de ligas de alum\u00ednio, tanto nacionais quanto internacionais, utilizam filtros de \u00faltima gera\u00e7\u00e3o para a purifica\u00e7\u00e3o do alum\u00ednio, principalmente dispositivos de filtragem com placa cer\u00e2mica, dispositivos de filtragem de camada profunda e outros dispositivos de filtragem. Desde a primeira pesquisa bem-sucedida sobre filtros de cer\u00e2mica espumosa para ligas de alum\u00ednio, na d\u00e9cada de 1970, a tecnologia de filtragem por cer\u00e2mica espumosa evoluiu rapidamente e, atualmente, \u00e9 amplamente utilizada em empresas de processamento de alum\u00ednio.<\/p>\n

\"Caixa<\/p>\n

Filtro de espuma cer\u00e2mica<\/a> pode remover esc\u00f3ria met\u00e1lica e solu\u00e7\u00f5es de impurezas met\u00e1licas com uma efic\u00e1cia muito maior do que alguns outros materiais filtrantes, filtrando-as por meio de uma combina\u00e7\u00e3o de princ\u00edpios f\u00edsicos e qu\u00edmicos.<\/p>\n

As grandes impurezas presentes na superf\u00edcie do filtro atuam como uma barreira f\u00edsica que ret\u00e9m as impurezas mais finas, que, por afinidade qu\u00edmica, s\u00e3o atra\u00eddas para a superf\u00edcie do filtro, para as paredes laterais ou para os poros.<\/p>\n

Por isso, os filtros de cer\u00e2mica espumosa removem com efic\u00e1cia as impurezas de pe\u00e7as fundidas de diversos tamanhos, incluindo impurezas significativamente menores do que os poros do filtro. Esses filtros penteiam todo o fluxo desordenado de metal fundido, reduzindo a turbul\u00eancia e permitindo que o fluxo de metal fundido seja uniforme e limpo.<\/p>\n

A efic\u00e1cia da filtragem do filtro de cer\u00e2mica espumosa de uma f\u00e1brica de alum\u00ednio est\u00e1 intimamente ligada \u00e0 sua instala\u00e7\u00e3o e utiliza\u00e7\u00e3o corretas. Ao mesmo tempo, n\u00e3o se pode ignorar as medidas habituais e necess\u00e1rias adotadas para reduzir o aparecimento de impurezas nas opera\u00e7\u00f5es tecnol\u00f3gicas, como fus\u00e3o, tratamento em forno e fundi\u00e7\u00e3o, uma vez que se utiliza o processo de filtragem. Al\u00e9m disso, \u00e9 necess\u00e1rio evitar a recontamina\u00e7\u00e3o do alum\u00ednio l\u00edquido purificado ap\u00f3s a filtragem.<\/p>","protected":false},"excerpt":{"rendered":"

\u041a\u043e\u0440\u043e\u0431\u043a\u0430 \u0444\u0438\u043b\u044c\u0442\u0440\u0430 \u043e\u0447\u0438\u0441\u0442\u043a\u0438 \u0430\u043b\u044e\u043c\u0438\u043d\u0438\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0434\u043b\u044f \u043b\u0438\u0442\u044c\u044f \u0441\u043b\u0438\u0442\u043a\u043e\u0432 \u0434\u043b\u044f \u044d\u043a\u0441\u0442\u0440\u0443\u0437\u0438\u0438 \u0438\u043b\u0438 \u044d\u043a\u0441\u0442\u0440\u0443\u0437\u0438\u0438 \u0434\u043b\u044f \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u043e\u0432 \u043e\u0431\u0449\u0435\u0433\u043e \u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f. \u041a\u043e\u0440\u043e\u0431\u043a\u0430 \u0444\u0438\u043b\u044c\u0442\u0440\u0430 \u043e\u0447\u0438\u0441\u0442\u043a\u0438 \u0430\u043b\u044e\u043c\u0438\u043d\u0438\u044f \u0448\u0438\u0440\u043e\u043a\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0432 \u0441\u0442\u0440\u0430\u043d\u0435 \u0438…<\/p>","protected":false},"author":1,"featured_media":12436,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[13209,13208],"class_list":["post-12432","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-13209","tag-13208"],"yoast_head":"\n\u041a\u043e\u0440\u043e\u0431\u043a\u0430 \u0444\u0438\u043b\u044c\u0442\u0440\u0430 \u043e\u0447\u0438\u0441\u0442\u043a\u0438 \u0430\u043b\u044e\u043c\u0438\u043d\u0438\u044f, \u041a\u0435\u0440\u0430\u043c\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u0444\u0438\u043b\u044c\u0442\u0440<\/title>\n<meta name=\"description\" content=\"\u041a\u043e\u0440\u043e\u0431\u043a\u0430 \u0444\u0438\u043b\u044c\u0442\u0440\u0430 \u043e\u0447\u0438\u0441\u0442\u043a\u0438 \u0430\u043b\u044e\u043c\u0438\u043d\u0438\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f 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