{"id":3109,"date":"2020-07-25T14:14:26","date_gmt":"2020-07-25T14:14:26","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=3109"},"modified":"2020-10-19T07:37:06","modified_gmt":"2020-10-19T07:37:06","slug":"ceramic-foam-filter-canada","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/pt\/ceramic-foam-filter-canada\/","title":{"rendered":"Filtro de Espuma Cer\u00e2mica do Canad\u00e1"},"content":{"rendered":"

Filtro de espuma cer\u00e2mica Canad\u00e1<\/strong>\u00a0utiliza espuma de poliuretano como suporte, preenchida com uma pasta cer\u00e2mica composta por agregados refrat\u00e1rios, agentes de sinteriza\u00e7\u00e3o, ligantes e outros p\u00f3s finos, al\u00e9m de \u00e1gua, e, em seguida, comprime a pasta
\nMaterial cer\u00e2mico ao redor da fibra de espuma.
\nAp\u00f3s a secagem, a queima e a sinteriza\u00e7\u00e3o em alta temperatura, o poliuretano \u00e9 decomposto pelo calor, resultando em produtos cer\u00e2micos espumosos, ou seja, filtros cer\u00e2micos de espuma.<\/p>\n

O material cer\u00e2mico<\/a> utilizado para a filtragem de metal fundido possui um ponto de fus\u00e3o muito alto e n\u00e3o derrete durante a fundi\u00e7\u00e3o nem se decomp\u00f5e no metal fundido.<\/p>\n

Especifica\u00e7\u00f5es do filtro de espuma cer\u00e2mica do Canad\u00e1<\/strong>
\nO n\u00famero que precede \u201cppi\u201d representa a densidade de poros do produto. Se o modelo for de 10 ppi, isso significa que a uniformidade dos poros em qualquer trecho de 25,4 mm \u00e9 de 8 a 12.<\/p>\n

\"Filtro<\/p>\n

Filtro de espuma cer\u00e2mica: o mecanismo de filtragem do Canad\u00e1<\/strong>
\nTriagem<\/strong>
\nAssim como uma peneira, ele impede a passagem de part\u00edculas estranhas e agregados maiores do que o tamanho dos poros da superf\u00edcie do filtro.
\nFiltro Cake<\/strong>
\nAp\u00f3s a filtragem, muitas part\u00edculas maiores do que os poros do filtro ficam retidas na extremidade de entrada do filtro.
\n\u00c0 medida que o n\u00famero de inclus\u00f5es retidas aumenta, forma-se uma espessa camada de inclus\u00f5es na superf\u00edcie da extremidade de entrada do filtro.
\nO \u201cbolo de filtra\u00e7\u00e3o\u201d torna o l\u00edquido mais ralo, de modo que as inclus\u00f5es menores do que o tamanho dos poros do filtro tamb\u00e9m ficam parcialmente retidas no \u201cbolo de filtra\u00e7\u00e3o\u201d.
\nFiltra\u00e7\u00e3o em leito profundo<\/strong>
\nNo interior do filtro de cer\u00e2mica espumosa, o trajeto pelo qual o material fundido flui \u00e9 sinuoso, e h\u00e1 at\u00e9 mesmo um fen\u00f4meno de fluxo cruzado em uma pequena \u00e1rea local. Isso desempenha basicamente duas fun\u00e7\u00f5es:
\n1. A probabilidade de que as part\u00edculas entrem em contato com o filtro.
\n2. Fazer com que a velocidade de fluxo e a dire\u00e7\u00e3o do fluxo da massa fundida mudem mais rapidamente, de modo que as inclus\u00f5es finas na massa fundida possam ser retidas em um canto ap\u00f3s colidirem e serem retidas pelo filtro de espuma cer\u00e2mica de esc\u00f3ria com orif\u00edcios retos (peneiramento); o bolo de filtra\u00e7\u00e3o e o leito profundo de filtra\u00e7\u00e3o do filtro de espuma cer\u00e2mica de esc\u00f3ria (peneiramento)<\/p>","protected":false},"excerpt":{"rendered":"

Ceramic foam filter Canada\u00a0uses polyurethane foam as a carrier, filled with ceramic slurry made of refractory aggregate sintering aids, binders and other fine powders and…<\/p>","protected":false},"author":1,"featured_media":3124,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20,138],"tags":[1743],"class_list":["post-3109","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ceramic-foam-filter","category-seo","tag-ceramic-foam-filter-canada"],"yoast_head":"\nCeramic Foam Filter Canada,Ceramic Foam Filter Suppliers<\/title>\n<meta name=\"description\" content=\"Ceramic foam filter Canada\u00a0uses polyurethane foam as a carrier, filled with ceramic slurry made of refractory aggregate sintering aids.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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