{"id":9632,"date":"2021-07-19T07:51:03","date_gmt":"2021-07-19T07:51:03","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=9632"},"modified":"2021-07-19T07:51:03","modified_gmt":"2021-07-19T07:51:03","slug":"online-filtering-device","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/fr\/online-filtering-device\/","title":{"rendered":"Dispositif de filtrage en ligne"},"content":{"rendered":"

Le dispositif de filtrage en ligne sert \u00e0 filtrer en continu le bain d'aluminium en fusion \u00e0 l'ext\u00e9rieur du four ; il permet d'\u00e9liminer les inclusions non m\u00e9talliques pr\u00e9sentes dans le bain d'aluminium en fusion et d'am\u00e9liorer la qualit\u00e9 de celui-ci.<\/p>\n

Structure d'un dispositif de filtrage en ligne<\/strong><\/p>\n

Le caisson de filtration est compos\u00e9 d'une enveloppe en acier, d'un filtre en mousse c\u00e9ramique et d'un rev\u00eatement en b\u00e9ton de coul\u00e9e \u00e0 haute teneur en aluminium et \u00e0 hautes performances.<\/p>\n

Le rev\u00eatement int\u00e9rieur r\u00e9siste \u00e0 l'\u00e9rosion par l'aluminium liquide, n'adh\u00e8re pas \u00e0 l'aluminium et ne r\u00e9agit pas chimiquement avec celui-ci ; l'\u00e9paisseur du b\u00e9ton r\u00e9fractaire est \u2265 120 mm, et celle de la couche isolante \u2265 200 mm.<\/p>\n

La plaque filtrante est chauff\u00e9e au gaz ; elle offre une longue dur\u00e9e de vie et est facile \u00e0 remplacer.<\/p>\n

La chambre de filtration sp\u00e9cialement con\u00e7ue permet d'effectuer une filtration en une ou deux \u00e9tapes. Les utilisateurs peuvent choisir d'installer une ou deux plaques filtrantes en fonction des exigences de qualit\u00e9 du produit final.<\/p>\n

Le couvercle du bo\u00eetier de filtre peut \u00eatre soulev\u00e9 \u00e0 l'aide d'un v\u00e9rin hydraulique et pivoter de 180\u00b0, ce qui permet de remplacer la plaque filtrante de mani\u00e8re pratique et s\u00fbre.<\/p>\n

Le plaque filtrante en c\u00e9ramique alv\u00e9ol\u00e9e<\/a> Il est install\u00e9 dans le caisson de filtration \u00e0 plaques en tant que filtre principal et sert principalement \u00e0 la purification en continu de l'aluminium fondu, offrant un bon effet de filtration en profondeur.<\/p>\n

\"Filtrage<\/p>\n

Comment utiliser les dispositifs de filtrage en ligne<\/strong><\/p>\n

1. Choix de l'ouverture<\/p>\n

Coul\u00e9e et laminage en continu : 40 \u00e0 60 ppp
\nMoulage par gravit\u00e9 : 10 \u00e0 30 ppi
\nCoul\u00e9e semi-continue : 30 \u00e0 70 ppi
\nAluminium ou t\u00f4le de haute qualit\u00e9 : 40 \u00e0 90 ppp<\/p>\n

2. Nettoyer le bo\u00eetier du filtre ;<\/p>\n

3. Placez d\u00e9licatement la plaque filtrante dans le bo\u00eetier du filtre, puis appuyez \u00e0 la main sur le joint d'\u00e9tanch\u00e9it\u00e9 autour de la plaque filtrante afin d'emp\u00eacher l'aluminium en fusion de s'\u00e9couler ;<\/p>\n

4. Pr\u00e9chauffez uniform\u00e9ment le caisson de filtration et la plaque de filtration afin qu\u2019ils atteignent une temp\u00e9rature proche de celle de l\u2019aluminium fondu. Le pr\u00e9chauffage peut \u00eatre effectu\u00e9 \u00e0 l\u2019aide d\u2019un syst\u00e8me de chauffage \u00e9lectrique ou au gaz. Cela prend g\u00e9n\u00e9ralement entre 15 et 30 minutes ;<\/p>\n

5. Surveillez l'\u00e9volution de la hauteur de pression hydraulique de l'aluminium pendant la coul\u00e9e. La hauteur de pression initiale normale est comprise entre 100 et 150 mm. Lorsque l'aluminium en fusion commence \u00e0 s'\u00e9couler, la hauteur de pression chute en dessous de 75 \u00e0 100 mm, puis augmente progressivement ;<\/p>\n

6. Lors du processus de filtration normal, \u00e9vitez de frapper ou de faire vibrer la plaque filtrante, tout en veillant \u00e0 ce que la canal de coul\u00e9e<\/a> rempli d'aluminium liquide afin d'\u00e9viter de trop perturber l'aluminium en fusion ;<\/p>\n

7. Une fois la filtration termin\u00e9e, retirez rapidement la plaque filtrante et nettoyez le bo\u00eetier du filtre.<\/p>","protected":false},"excerpt":{"rendered":"

The online filtering device is used for on-line filtering of the aluminum melt outside the furnace, it can remove the non-metallic inclusions in the aluminum…<\/p>","protected":false},"author":1,"featured_media":9647,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[],"class_list":["post-9632","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-filtering-equipment"],"yoast_head":"\nOnline Filtering Device for Molten Aluminum, CFF Filter Box<\/title>\n<meta name=\"description\" content=\"The online filtering device is used for online filtering of aluminum melt outside the furnace, it can remove the non-metallic inclusions.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.alalloycasting.com\/fr\/online-filtering-device\/\" \/>\n<meta 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