{"id":21928,"date":"2024-02-22T14:41:01","date_gmt":"2024-02-22T06:41:01","guid":{"rendered":"https:\/\/www.jxscmachine.com\/?post_type=solutions&p=21928"},"modified":"2024-02-22T14:48:37","modified_gmt":"2024-02-22T06:48:37","slug":"usine-de-recuperation-par-gravite-de-lor-de-roche-dune-capacite-de-5-tonnes-par-heure-2","status":"publish","type":"solutions","link":"https:\/\/www.jxscmachine.com\/fr\/solutions\/cobalt-ore-beneficiation\/","title":{"rendered":"Traitement des minerais de cobalt"},"content":{"rendered":"

Proc\u00e9d\u00e9 de valorisation du cobalt<\/h2>\n\t
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 <\/p>\n

L'enrichissement du minerai de cobalt consiste \u00e0 extraire et \u00e0 s\u00e9parer les min\u00e9raux de cobalt pr\u00e9cieux des minerais. Plusieurs m\u00e9thodes couramment utilis\u00e9es comprennent s\u00e9paration magn\u00e9tique, flottation, s\u00e9paration par gravit\u00e9 et lixiviation acide.<\/strong> Parmi elles, la flottation est la principale m\u00e9thode de s\u00e9paration, tandis que la s\u00e9paration par gravit\u00e9 et par magn\u00e9tique est utilis\u00e9e comme s\u00e9paration auxiliaire.<\/p>\n

 <\/p>\n

\u00c9tapes de l'usine de traitement du cobalt<\/span><\/h3>\n

 <\/p>\n

Concassage et broyage<\/h4>\n

Broyer le minerai en particules de taille appropri\u00e9e gr\u00e2ce au processus de concassage. Il utilise souvent des \u00e9quipements de concassage tels que concasseurs \u00e0 m\u00e2choires<\/a> et broyeurs \u00e0 c\u00f4ne<\/a>. Le minerai concass\u00e9 entre g\u00e9n\u00e9ralement dans un broyeur \u00e0 boulets<\/a> pour un broyage plus fin afin de rendre la taille des particules de minerai encore plus fine.<\/p>\n

 <\/p>\n

Flottation<\/h4>\n

Le minerai broy\u00e9 contient g\u00e9n\u00e9ralement du cobalt et divers min\u00e9raux m\u00e9talliques. La flottation est l'une des technologies de s\u00e9paration du minerai les plus couramment utilis\u00e9es. Le minerai cible est flott\u00e9 avec de la mousse en mettant le minerai en suspension dans une solution aqueuse contenant des r\u00e9actifs sp\u00e9cifiques. Elle comprend g\u00e9n\u00e9ralement \u00e9tapes de s\u00e9lection grossi\u00e8re, de s\u00e9lection concentr\u00e9e et de s\u00e9lection par balayage.<\/strong><\/p>\n

 <\/p>\n

Traitement des concentr\u00e9s<\/h4>\n

Le concentr\u00e9 de cobalt obtenu apr\u00e8s flottation n\u00e9cessite un traitement suppl\u00e9mentaire. Il peut s'agir d'une s\u00e9paration magn\u00e9tique suppl\u00e9mentaire, d'une s\u00e9paration par gravit\u00e9 (chute en spirale<\/a>, shaker<\/a>), ou d\u2019autres proc\u00e9d\u00e9s combin\u00e9s pour \u00e9liminer les impuret\u00e9s r\u00e9siduelles et am\u00e9liorer la qualit\u00e9 et la puret\u00e9 du min\u00e9ral de cobalt.<\/p>\n

 <\/p>\n

Concentration et s\u00e9chage<\/h4>\n

Concentrer la boue de flottation pour augmenter encore la teneur en minerai de cobalt. En r\u00e8gle g\u00e9n\u00e9rale, filtres-presses<\/a> s\u00e9parer les liquides des solides pour augmenter la teneur en minerai de cobalt.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n

Usine de traitement du cobalt de 40 TPH<\/h2>\n\t
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\"Traitement<\/div>\n\t\t<\/figure>\n\t<\/div>\n

Ligne de production de cuivre et de cobalt au Congo (RDC)<\/h2>\n\t
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 <\/p>\n

Pays :<\/b><\/strong> Congo (RDC)<\/p>\n

Informations sur la mine : <\/b><\/strong>Mine de cuivre-cobalt, teneur moyenne en cuivre 3,12%, teneur moyenne en cobalt 0,294%, taux d'oxydation moyen 54%.<\/p>\n

Les hydrocyclone<\/a> Le minerai de cobalt-cuivre broy\u00e9 et les boues de minerai de cobalt sous-produits sont class\u00e9s, et le trop-plein est mis en suspension et agit\u00e9 dans le r\u00e9servoir d'agitation avant d'entrer dans l'op\u00e9ration de s\u00e9paration. La s\u00e9paration adopte \u00ab d'abord le soufre, puis l'oxyg\u00e8ne, la flottation des r\u00e9sidus d'oxyde de cuivre, la flottation du cobalt, puis la s\u00e9paration magn\u00e9tique \u00bb comme flux de processus combin\u00e9 utilisant des aimants flottants.<\/p>\n

    \n
  1. La flottation du sulfure de cuivre subit de multiples op\u00e9rations de d\u00e9grossissage, de balayage et de s\u00e9lection fine pour obtenir un concentr\u00e9 de sulfure de cuivre\u00a0;<\/li>\n
  2. Les r\u00e9sidus de flottation de sulfure de cuivre entrent dans la flottation d'oxyde de cuivre et sont d\u00e9grossis et balay\u00e9s plusieurs fois pour obtenir un concentr\u00e9 d'oxyde de cuivre\u00a0;<\/li>\n
  3. Les r\u00e9sidus de flottation d'oxyde de cuivre entrent dans la flottation de cobalt. Le concentr\u00e9 de cobalt de flottation est obtenu apr\u00e8s plusieurs op\u00e9rations de d\u00e9grossissage, de balayage et de s\u00e9lection fine. Les r\u00e9sidus de balayage de cobalt entrent dans la s\u00e9paration magn\u00e9tique.<\/li>\n
  4. Finalement, trois produits sont obtenus : un concentr\u00e9 de sulfure de cuivre, un concentr\u00e9 d'oxyde de cuivre et un concentr\u00e9 de cobalt (comprenant les produits de flottation et de s\u00e9paration magn\u00e9tique).<\/li>\n<\/ol>\n

    Apr\u00e8s avoir \u00e9t\u00e9 concentr\u00e9 par un \u00e9paississeur<\/a> et filtr\u00e9 par un filtre, le concentr\u00e9 de sulfure de cuivre est grill\u00e9 et d\u00e9sulfur\u00e9 avant d'entrer dans l'hydro-fusion. Les concentrations d'oxyde de cuivre et de cobalt sont d\u00e9shydrat\u00e9es et envoy\u00e9es \u00e0 l'hydro-fusion. Les r\u00e9sidus de s\u00e9paration magn\u00e9tique sont \u00e9paissis et pomp\u00e9s vers le stockage du bassin de r\u00e9sidus.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

    Une usine de traitement et de r\u00e9cup\u00e9ration de l'or par gravit\u00e9 est con\u00e7ue pour extraire et r\u00e9cup\u00e9rer l'or des minerais aurif\u00e8res \u00e0 l'aide de m\u00e9thodes de s\u00e9paration par gravit\u00e9. La s\u00e9paration par gravit\u00e9 est une m\u00e9thode largement utilis\u00e9e pour traiter le minerai d'or, en particulier lorsque l'or est relativement grossier et n'est pas finement diss\u00e9min\u00e9 dans la matrice du minerai. <\/p>","protected":false},"author":1,"featured_media":21929,"parent":0,"menu_order":102,"comment_status":"open","ping_status":"open","template":"","format":"standard","meta":{"_acf_changed":false,"ngg_post_thumbnail":0,"footnotes":""},"class_list":["post-21928","solutions","type-solutions","status-publish","format-standard","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"\nCobalt Ore Beneficiation - JXSC Machine<\/title>\n<meta name=\"description\" content=\"Cobalt ore beneficiation is extracting and separating valuable cobalt minerals from ores. 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