{"id":20021,"date":"2022-11-22T15:05:43","date_gmt":"2022-11-22T07:05:43","guid":{"rendered":"https:\/\/www.jxscmachine.com\/?post_type=new&p=20021"},"modified":"2026-08-05T09:59:28","modified_gmt":"2026-08-05T01:59:28","slug":"oxyde-de-cuivre-sulfure-de-cuivre-flottation-8-procedes-9-equipement","status":"publish","type":"new","link":"https:\/\/www.jxscmachine.com\/fr\/new\/copper-oxide-copper-sulfide-flotation-8-processes-9-equipment\/","title":{"rendered":"Flottation de l'oxyde de cuivre et du sulfure de cuivre : 8 proc\u00e9d\u00e9s et 9 \u00e9quipements"},"content":{"rendered":"
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Most copper ores found in nature do not exist as single mineral species but rather as symbiotic mixtures of copper sulfides and copper oxides<\/strong>; this makes the beneficiation of copper ore<\/a> a subject that is both classic and complex within the field of mineral processing. Common copper oxide minerals possess distinct physicochemical properties:<\/strong> malachite (CuCO\u2083\u00b7Cu(OH)\u2082)<\/strong><\/em> has a copper content of 57.4%, a density of 4 g\/cm\u00b3, and a hardness of 4; azurite (2CuCO\u2083\u00b7Cu(OH)\u2082)<\/em><\/strong> has a copper content of 55.2%, a density of 4 g\/cm\u00b3, and a hardness of 4; chrysocolla (CuSiO\u2083\u00b72H\u2082O)<\/strong><\/em> has a copper content of 36.2%, a density of 2\u20132.2 g\/cm\u00b3, and a hardness of 2\u20134; and cuprite (Cu\u2082O)<\/strong><\/em> has a copper content of 88.8%, a density of 5.8\u20136.2 g\/cm\u00b3, and a hardness of 3.5\u20134. These diverse copper oxide minerals exhibit vastly different natural hydrophilic characteristics; when combined with copper sulfide minerals\u2014which also vary in floatability\u2014these differences dictate the varying levels of difficulty in separation. Flottation<\/strong> currently stands as the primary separation method for copper oxide ores, categorized into two main approaches\u2014direct flotation and sulfidization flotation<\/strong><\/em>\u2014based on ore properties. Copper sulfide ores are further classified into mono-metallic and polymetallic types; the former involves relatively simple flotation processes, whereas the latter requires more complex flow-sheet designs due to the presence of associated valuable metals. Mineral processing plants<\/a> rely on tailored flotation processes to efficiently concentrate copper minerals from raw ore, significantly upgrading the copper concentrate grade and providing suitable feedstock for subsequent copper smelting. Specialized equipment for various stages of the flotation process provides the essential support for implementing these techniques; in the following sections, we will systematically outline eight core flotation processes suited to different types of copper ore, as well as nine key pieces of equipment commonly used throughout the entire process.<\/strong><\/div>\n\n\t\t<\/div>\n\t<\/div>\n

8 Core Flotation Processes<\/h2>\n\t
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1. Direct flotation process for simple copper sulfide ores:<\/strong> Leverages the difference in floatability between copper minerals and gangue; features a simple, easy-to-operate flowsheet.<\/div>\n
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2. Differential flotation process for polymetallic copper sulfide ores:<\/strong> Separates minerals in stages based on their flotation rates; reduces reagent consumption and eliminates interference from residual reagents.<\/div>\n
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3. Ore washing\u2013grinding\u2013copper flotation\u2013iron magnetic\/gravity separation process:<\/strong> Involves desliming followed by copper flotation, then iron recovery via magnetic and gravity separation; suitable for high-iron copper oxide ores.<\/div>\n
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4. Grinding\u2013desliming\u2013copper flotation process:<\/strong> Removes high-copper slimes beforehand to minimize interference with flotation and improve copper concentrate grade.<\/div>\n
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5. Direct sulfidization-flotation process for copper oxides:<\/strong> Uses staged addition of sodium sulfide to activate copper oxides, combined with xanthate collectors; suitable for minerals such as malachite and azurite.<\/div>\n
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6. Hydrothermal sulfidization-flotation process:<\/strong> Intensifies the sulfidization reaction under high temperature and pressure to form artificial copper sulfide; overcomes slime interference and achieves high recovery rates.<\/div>\n
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7. Amine collector flotation process:<\/strong> Uses cationic collectors to process minerals like azurite and atacamite; suitable for certain refractory copper oxide ores.<\/div>\n
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8. Chelating agent\u2013neutral oil flotation process:<\/strong> Highly selective for refractory minerals like chrysocolla; significantly reduces sodium sulfide consumption.<\/div>\n\n\t\t<\/div>\n\t<\/div>\n

9 Types of Equipment<\/h2>

1. Alimentation - alimentateur vibrant<\/h3>\n\t
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A alimentateur vibrant<\/a> est un \u00e9quipement d'alimentation largement utilis\u00e9 dans la m\u00e9tallurgie, l'exploitation du charbon, le traitement des minerais, les mat\u00e9riaux de construction et d'autres industries. Il peut alimenter le minerai de cuivre massif de mani\u00e8re r\u00e9guli\u00e8re et continue vers les \u00e9quipements de concassage suivants, et le mat\u00e9riau est d'abord cribl\u00e9.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n\n\t

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\"alimentateurs<\/div>\n\t\t<\/figure>\n\t<\/div>\n

2. Coarse Crushing - Jaw Crusher<\/h3>\n\t
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Concasseurs \u00e0 m\u00e2choires<\/a> sont principalement utilis\u00e9s pour le concassage grossier dans les usines de sable et de gravier, la m\u00e9tallurgie, l'exploitation mini\u00e8re, l'industrie chimique et d'autres industries. La taille des particules en entr\u00e9e peut atteindre 1500 mm, la taille des particules en sortie peut \u00eatre comprise entre 10 et 350 mm, et le mat\u00e9riau peut \u00eatre trait\u00e9 jusqu'\u00e0 2200 tonnes par heure. La r\u00e9sistance \u00e0 la compression peut atteindre 320MPa.<\/p>\n

Les gros morceaux de minerai de cuivre doivent d'abord \u00eatre broy\u00e9s en pierres plus petites \u00e0 l'aide d'un concasseur \u00e0 m\u00e2choires afin de r\u00e9pondre \u00e0 la taille d'alimentation du concassage moyen.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n

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\"concasseur<\/div>\n\t\t<\/figure>\n\t<\/div>\n<\/div><\/div><\/div>
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\"concasseurs<\/div>\n\t\t<\/figure>\n\t<\/div>\n<\/div><\/div><\/div><\/div>

3. Concassage moyen - Concasseur \u00e0 c\u00f4ne<\/h3>\n\t
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Les concasseur \u00e0 c\u00f4ne<\/a> est principalement utilis\u00e9 pour le concassage moyen et fin de minerais de duret\u00e9 moyenne ou sup\u00e9rieure \u00e0 la duret\u00e9 moyenne et peut traiter 12 \u00e0 1000 tonnes de mat\u00e9riaux par heure.<\/p>\n

La duret\u00e9 du minerai de cuivre est relativement \u00e9lev\u00e9e, ce qui convient parfaitement au broyage par un concasseur \u00e0 c\u00f4ne. Apr\u00e8s avoir \u00e9t\u00e9 trait\u00e9 par un concasseur \u00e0 c\u00f4ne, le produit fini a une taille de 3 \u00e0 60 mm.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n

4. Screening - Circular Vibrating Screen<\/h3>
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La fonction de la \u00e9cran vibrant<\/a> consiste \u00e0 cribler les mat\u00e9riaux dont la taille des particules correspond \u00e0 celle du processus suivant. Dans le m\u00eame temps, les mat\u00e9riaux non qualifi\u00e9s sont collect\u00e9s et envoy\u00e9s vers l'\u00e9quipement de concassage pour \u00eatre \u00e0 nouveau concass\u00e9s jusqu'\u00e0 ce que la taille des particules soit qualifi\u00e9e.<\/p>\n

Par exemple, la taille des particules de d\u00e9charge du concasseur \u00e0 c\u00f4ne est de 3 \u00e0 60 mm. Dans le processus de broyage suivant, la taille des particules d'alimentation du broyeur \u00e0 boulets doit \u00eatre inf\u00e9rieure \u00e0 20-25 mm, de sorte qu'un crible vibrant peut s\u00e9parer les mat\u00e9riaux ayant des tailles de particules diff\u00e9rentes. Les mat\u00e9riaux de moins de 20 mm sont introduits dans le broyeur \u00e0 boulets et les mat\u00e9riaux de 20 mm ou plus sont renvoy\u00e9s dans le concasseur \u00e0 c\u00f4nes pour un nouveau broyage.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div>

5. Grinding - Ball Mill<\/h3>
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La fonction de la broyeur \u00e0 boulets<\/a> est de broyer le mat\u00e9riau en fines particules de 0 \u00e0 200 mesh afin de remplir les conditions de l'\u00e9tape suivante de la flottation.<\/p>\n

La taille des particules d'alimentation du broyeur \u00e0 billes est inf\u00e9rieure \u00e0 20-25 mm, la taille des particules de sortie est de 0,074-0,89 mm, et il peut produire de 0,65 \u00e0 615 tonnes de mat\u00e9riaux par heure. Il est tr\u00e8s utilis\u00e9 pour le ciment, les produits silicat\u00e9s, les nouveaux mat\u00e9riaux de construction et les mat\u00e9riaux r\u00e9fractaires.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div>

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6. Classification - Classificateur<\/h3>\n\t
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Les classificateur<\/a> est un \u00e9quipement sp\u00e9cial pour la classification granulom\u00e9trique de la pulpe de minerai dans le processus d'enrichissement des m\u00e9taux. La longueur du r\u00e9servoir d'eau est de 3000-14300mm, et le diam\u00e8tre de la spirale est de 300-3000mm. Il utilise principalement les diff\u00e9rences de gravit\u00e9 sp\u00e9cifique des particules de minerai de cuivre, les particules de gangue associ\u00e9es et les diff\u00e9rentes vitesses de s\u00e9dimentation dans le liquide pour les classer.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n\n\t

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\"Laveur<\/div>\n\t\t<\/figure>\n\t<\/div>\n

7. Beneficiation - Mixing Tank<\/h3>\n\t
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The role of the r\u00e9servoir de m\u00e9lange<\/a> consiste \u00e0 remuer la pulpe afin que le produit chimique et la pulpe soient m\u00e9lang\u00e9s de mani\u00e8re homog\u00e8ne et que le temps de r\u00e9action du produit chimique soit acc\u00e9l\u00e9r\u00e9.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n

8. Beneficiation - Flotation Machine<\/h3>\n\t
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Le processus de flottation n\u00e9cessite l'ajout d'agents de flottation dans la pulpe afin que les particules de minerai de valeur puissent mieux adh\u00e9rer aux bulles d'air g\u00e9n\u00e9r\u00e9es par le processus de flottation. machine de flottation<\/a>, float to the surface of the pulp, and be collected.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n

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\"machine<\/div>\n\t\t<\/figure>\n\t<\/div>\n<\/div><\/div><\/div>
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\"r\u00e9servoir<\/div>\n\t\t<\/figure>\n\t<\/div>\n<\/div><\/div><\/div><\/div>

9. Drying - Dryer<\/h3>\n\t
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Le concentr\u00e9 de cuivre recueilli par flottation a une teneur en eau relativement \u00e9lev\u00e9e et ne r\u00e9pond pas aux normes d'utilisation ; il doit donc subir un processus de d\u00e9shydratation.<\/p>\n

Les s\u00e9choir<\/a> est un \u00e9quipement de s\u00e9chage sp\u00e9cialement utilis\u00e9 dans l'industrie mini\u00e8re, le traitement des minerais, l'industrie chimique et d'autres industries. Il peut traiter de 1,9 \u00e0 76 tonnes de mat\u00e9riaux par heure. Outre le concentr\u00e9 de cuivre, il peut \u00e9galement \u00eatre utilis\u00e9 pour s\u00e9cher d'autres min\u00e9raux m\u00e9talliques et non m\u00e9talliques.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n\n\t

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\"S\u00e9cheur<\/div>\n\t\t<\/figure>\n\t<\/div>\n\n\t
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Ranging from easily processed simple copper sulfide ores to refractory chrysocolla-type oxidized copper ores, a suite of eight flotation processes creates<\/strong> a comprehensive technical framework capable of handling diverse ore characteristics; this system retains the proven advantages of traditional sulfide flotation while overcoming recovery bottlenecks for refractory oxidized ores through innovative methods such as hydrothermal sulfidization and chelation-assisted flotation. Complementing these processes are nine types of core equipment<\/strong>-covering stages from feeding, crushing, and grinding to flotation and drying<\/strong><\/em>\u2014that provide the necessary hardware infrastructure to ensure the stable implementation of process parameters. Given the current industry context of high copper prices, processing plants must scientifically match specific flotation processes and equipment configurations to the unique characteristics of their ore\u2014such as oxidation rate, mineral dissemination size, and associated components\u2014to maximize copper concentrate recovery and grade while controlling production costs, thereby achieving the efficient utilization of low-grade, refractory copper resources.<\/div>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

Le minerai de cuivre contient g\u00e9n\u00e9ralement un m\u00e9lange de sulfure de cuivre et d'oxyde de cuivre. Les concentrateurs utilisent g\u00e9n\u00e9ralement la flottation pour am\u00e9liorer la teneur du minerai afin de pouvoir fondre le cuivre pur par la suite. <\/p>","protected":false},"author":1,"featured_media":16587,"parent":0,"menu_order":169,"comment_status":"closed","ping_status":"open","template":"","format":"standard","meta":{"_acf_changed":false,"ngg_post_thumbnail":0,"footnotes":""},"categories":[],"tags":[],"class_list":["post-20021","new","type-new","status-publish","format-standard","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"\nCopper Oxide & Copper Sulfide Flotation: 8 Processes & 9 Equipment - JXSC Machine<\/title>\n<meta name=\"description\" content=\"Copper sulfide and copper oxide are typically processed using flotation. 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