{"id":10231,"date":"2021-09-09T03:11:25","date_gmt":"2021-09-09T03:11:25","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=10231"},"modified":"2021-09-09T03:11:25","modified_gmt":"2021-09-09T03:11:25","slug":"aluminium-filters","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/pt\/aluminium-filters\/","title":{"rendered":"Filtros de alum\u00ednio"},"content":{"rendered":"

Ap\u00f3s o alum\u00ednio fundido ser refinado no forno de fus\u00e3o, no forno est\u00e1tico e no refinamento em linha, o teor de g\u00e1s foi significativamente reduzido, encontrando-se basicamente em um n\u00edvel m\u00ednimo cr\u00edtico. As part\u00edculas maiores de inclus\u00f5es na massa fundida s\u00e3o basicamente removidas pelo agente de refino, mas ainda h\u00e1 um certo n\u00famero de inclus\u00f5es de part\u00edculas pequenas na massa fundida, o que ter\u00e1 um certo impacto nas propriedades mec\u00e2nicas e nas propriedades f\u00edsico-qu\u00edmicas do material. Portanto, o metal fundido precisa passar por filtros de alum\u00ednio para filtragem antes da fundi\u00e7\u00e3o.<\/p>\n

Atualmente, os filtros de espuma cer\u00e2mica s\u00e3o os filtros de alum\u00ednio mais econ\u00f4micos. O filtro de espuma cer\u00e2mica pode ser utilizado com filtros tubulares ou equipamento de filtragem de leito profundo<\/a>. Os filtros de espuma cer\u00e2mica podem prolongar a vida \u00fatil desses equipamentos caros e reduzir os custos das fundi\u00e7\u00f5es de alum\u00ednio.<\/p>\n

Depois que a massa fundida passa pelo forno de fus\u00e3o, pelo forno est\u00e1tico e pelo refinamento em linha, o tamanho das part\u00edculas de suas inclus\u00f5es n\u00e3o sofre mais altera\u00e7\u00f5es. Uma vez selecionado o filtro, sua porosidade \u00e9 um valor fixo. A efici\u00eancia da filtragem est\u00e1 relacionada \u00e0 espessura do filtro e \u00e0 velocidade com que o metal fundido passa pelo filtro. Quanto maior a espessura do filtro, melhor o efeito de filtragem. Quanto mais r\u00e1pido o metal fundido passa pelo filtro, pior o efeito de filtragem. A produ\u00e7\u00e3o por fundi\u00e7\u00e3o-lamina\u00e7\u00e3o apresenta uma pequena quantidade de filtragem do metal fundido por unidade de tempo, vaz\u00e3o lenta, e o processo envolve principalmente alum\u00ednio puro e ligas macias. H\u00e1 poucas part\u00edculas de inclus\u00e3o, as quais s\u00e3o facilmente absorvidas pelo filtro; a efici\u00eancia de filtragem \u00e9 alta e o metal fundido \u00e9 relativamente f\u00e1cil de purificar. Geralmente, 50 PPI e Filtros de espuma cer\u00e2mica de 30 PPI<\/a> s\u00e3o utilizados para filtragem.<\/p>\n

O uso dos materiais adequados para altas temperaturas ter\u00e1 um impacto positivo na sua produtividade! Os filtros de espuma cer\u00e2mica especialmente projetados pela AdTech s\u00e3o fabricados a partir da mat\u00e9ria-prima b\u00e1sica \u00f3xido de alum\u00ednio. S\u00e3o produzidos com porosidades que variam de 10 a 60 poros por polegada (PPI). Al\u00e9m disso, os conjuntos combinados s\u00e3o produzidos com 20-30 PPI, sendo poss\u00edveis outras op\u00e7\u00f5es. Filtros de diferentes tamanhos e feitos sob medida s\u00e3o fabricados de acordo com as especifica\u00e7\u00f5es.<\/p>","protected":false},"excerpt":{"rendered":"

After the aluminum melt is refined in the smelting furnace, refining in the static furnace, and online refining, the gas content has been greatly reduced,…<\/p>","protected":false},"author":1,"featured_media":10232,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[12665,12666,433,12664],"class_list":["post-10231","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ceramic-foam-filter","tag-30ppi-ceramic-foam-filters-for-molten-aluminum","tag-50ppi-ceramic-foam-filter","tag-alumina-ceramic-foam-filter","tag-aluminium-filters"],"yoast_head":"\nAluminium Filters, 30PPI ceramic foam filters for Molten Aluminum<\/title>\n<meta name=\"description\" content=\"Ceramic foam filters are the most economical aluminium filters. 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