{"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\/ar\/ceramic-foam-filter-canada\/","title":{"rendered":"Ceramic Foam Filter Canada"},"content":{"rendered":"

\u0645\u0631\u0634\u062d \u0631\u063a\u0648\u064a \u062e\u0632\u0641\u064a - \u0643\u0646\u062f\u0627<\/strong>\u00a0uses polyurethane foam as a carrier, filled with ceramic slurry made of refractory aggregate sintering aids, binders and other fine powders and water, and then squeezes the slurry
\nCeramic material around the foam fiber.
\nAfter drying, firing and sintering at high temperature, the polyurethane is decomposed by heat, leaving foamy ceramic products, that is, foam ceramic filters.<\/p>\n

\u0627\u0644\u0640 ceramic material<\/a> used for the filtration of molten metal has a very high melting point and will not melt during casting or decompose into the molten metal.<\/p>\n

Ceramic foam filter Canada specifications<\/strong>
\nThe number in front of ppi represents the pore density of the product. If the model is 10ppi, it means that the uniformity of the pores on any 25.4mm length is 8-12.<\/p>\n

\"\u0645\u0631\u0634\u062d<\/p>\n

Ceramic foam filter Canada\u2019s filtration mechanism<\/strong>
\nScreening<\/strong>
\nJust like a sieve, it prevents foreign particles and aggregates larger than the pore size of the filter surface from passing through.
\nCake filter<\/strong>
\nAfter screening, many inclusions larger than the pores of the filter are trapped at the inlet end of the filter.
\nAs the number of trapped inclusions increases, a large cake of inclusions is formed on the surface of the filter inlet end.
\nThe \u201cfilter cake\u201d makes the liquid thinner, so that the inclusions smaller than the pore size of the filter are also partially caught on the \u201cfilter cake\u201d.
\nDeep bed filtration<\/strong>
\nInside the foam ceramic filter, the path through which the melt flows is tortuous, and there is even a phenomenon of cross flow in a small local area. This mainly plays two roles:
\n1. The probability that particles can contact the filter.
\n2. Make the melt flow velocity and flow direction change faster, so that the fine inclusions in the melt can be left behind in a corner after being collided and caught by the straight hole filter slag (screening) ceramic foam filter Filter cake and deep filter bed of slag blocking (screening) foam ceramic filter<\/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":"open","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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