bo\u00eete \u00e0 filtres \u00e0 plaques<\/a> et install\u00e9 en ligne entre le syst\u00e8me de traitement des m\u00e9taux et l'\u00e9quipement de coul\u00e9e. Le caisson de filtration \u00e0 plaques remplit une double fonction : filtrer et chauffer l'aluminium fondu. Le principe de filtration consiste \u00e0 faire passer l'aluminium fondu \u00e0 travers une plaque filtrante en c\u00e9ramique afin de retenir les impuret\u00e9s pr\u00e9sentes dans le m\u00e9tal en fusion. L'efficacit\u00e9 de la filtration d\u00e9pend du choix du nombre de pores de filtration, tandis que le d\u00e9bit de filtration d\u00e9pend de la taille, du nombre et de la disposition des pores de la plaque filtrante.<\/p>\n![\"Filtre](\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2021\/09\/Foundry-Filter.jpg\")
<\/p>\n
M\u00e9canisme de filtration du m\u00e9tal en fusion dans les fonderies d'aluminium : les impuret\u00e9s solides se d\u00e9posent principalement \u00e0 l'int\u00e9rieur des pores du m\u00e9dia filtrant et, \u00e0 mesure que la filtration progresse, la section effective de filtration des pores diminue progressivement, la perm\u00e9abilit\u00e9 baisse et la pr\u00e9cision de la filtration s'am\u00e9liore.<\/p>\n
Le filtre en mousse c\u00e9ramique pr\u00e9sente une grande surface sp\u00e9cifique, ce qui permet un contact suffisant entre la masse fondue et le milieu filtrant. Lorsque la masse fondue contient des impuret\u00e9s solides et se d\u00e9place le long du filtre \u00e0 des vitesses variables, la densit\u00e9 et la vitesse des inclusions solides \u00e9tant diff\u00e9rentes de celles de la masse fondue, celles-ci peuvent se d\u00e9poser sous l\u2019effet de la gravit\u00e9. De plus, en raison de la forme non sph\u00e9rique des particules solides et du champ de force de cisaillement irr\u00e9gulier, les impuret\u00e9s se d\u00e9placent lat\u00e9ralement, ce qui les am\u00e8ne \u00e0 se coincer ou \u00e0 \u00eatre adsorb\u00e9es par les parois des canaux. Le filtre en mousse c\u00e9ramique peut donc retenir des inclusions solides dont la taille est bien inf\u00e9rieure au diam\u00e8tre de ses pores.<\/p>","protected":false},"excerpt":{"rendered":"
Aluminium foundries filter molten metal filtration is the most effective and reliable method to remove non-metallic inclusions in the aluminum melt. There are many ways…<\/p>","protected":false},"author":1,"featured_media":10229,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[12663,4682],"class_list":["post-10228","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ceramic-foam-filter","tag-aluminium-foundries-filter","tag-ceramic-foam-filter-for-casting"],"yoast_head":"\n
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