Placas filtrantes de espuma cer\u00e2mica<\/a> s\u00e3o amplamente utilizados na filtragem e purifica\u00e7\u00e3o de diversos metais fundidos de alum\u00ednio e ligas de alum\u00ednio, tais como fundi\u00e7\u00e3o cont\u00ednua, fundi\u00e7\u00e3o semicont\u00ednua, fundi\u00e7\u00e3o por gravidade e fundi\u00e7\u00e3o a baixa press\u00e3o. Al\u00e9m das especifica\u00e7\u00f5es gerais, podem ser projetados de acordo com as necessidades do cliente.<\/p>\nA placa de filtro cer\u00e2mica possui uma estrutura de rede tridimensional, o que faz com que seja amplamente utilizada no campo da filtragem de alum\u00ednio e ligas de alum\u00ednio em estado fundido.
\nEmbora seja constantemente utilizado em \u00e1reas como prote\u00e7\u00e3o ambiental, produtos qu\u00edmicos, energia, petr\u00f3leo, biocer\u00e2micas e suportes para catalisadores, seu uso \u00e9 limitado em muitas \u00e1reas devido \u00e0 sua baixa resist\u00eancia, tend\u00eancia \u00e0 forma\u00e7\u00e3o de esc\u00f3ria e baixa precis\u00e3o dimensional.<\/p>\n
Atualmente, os fabricantes de filtros de espuma cer\u00e2mica de alumina ainda se concentram na filtragem de alum\u00ednio e ligas de alum\u00ednio fundidos e ainda n\u00e3o conseguiram desenvolver produtos relacionados que substituam essas aplica\u00e7\u00f5es no mercado.<\/p>\n
![\"Filtro](\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2021\/11\/Filtre-en-c\u00e9ramique-mousse.jpg\")
<\/p>\n
Portanto, com o avan\u00e7o da precis\u00e3o na ind\u00fastria de processamento de alum\u00ednio e ligas de alum\u00ednio, a cer\u00e2mica de espuma de alumina ser\u00e1 cada vez mais desenvolvida e aplicada.<\/p>\n
Existem v\u00e1rios m\u00e9todos de prepara\u00e7\u00e3o da placa filtrante cer\u00e2mica, tais como o processo de espuma\u00e7\u00e3o, o processo de impregna\u00e7\u00e3o com espuma org\u00e2nica, o processo sol-gel, etc.<\/p>\n
Entre eles, o processo de impregna\u00e7\u00e3o de espuma org\u00e2nica apresenta as vantagens de exigir menos equipamentos, ter baixo custo de fabrica\u00e7\u00e3o e um processo simples, sendo amplamente utilizado por fabricantes de espuma cer\u00e2mica.<\/p>\n
O filtro de espuma cer\u00e2mica \u00e9 um corpo cer\u00e2mico poroso com uma estrutura de rede tridimensional. \u00c9 composto por uma esponja porosa de poliuretano que atua como esqueleto, preparada por meio de colagem, secagem e cozimento. O precursor org\u00e2nico da estrutura de rede tridimensional \u00e9 removido para formar uma porosidade aberta. Uma estrutura porosa em forma de rede que apresenta uma alta \u00e1rea superficial espec\u00edfica e uma baixa queda de press\u00e3o.<\/p>","protected":false},"excerpt":{"rendered":"
Ceramic filter board can effectively filter non-metallic solid inclusions in aluminum and aluminum alloy melts. It uses foam sponges with a high open cell structure…<\/p>","protected":false},"author":1,"featured_media":11472,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[12976,21,655],"class_list":["post-11471","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-ceramic-filter-board","tag-ceramic-foam-filter","tag-molten-aluminum-filtration"],"yoast_head":"\n
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