{"id":2190,"date":"2022-10-10T10:01:45","date_gmt":"2022-10-10T08:01:45","guid":{"rendered":"https:\/\/staging.rhosonics.com\/?page_id=2190"},"modified":"2023-03-31T14:21:05","modified_gmt":"2023-03-31T12:21:05","slug":"grinding-circuit","status":"publish","type":"page","link":"https:\/\/staging.rhosonics.com\/fr\/mineral-processing\/grinding-circuit\/","title":{"rendered":"Circuit de broyage"},"content":{"rendered":"

CIRCUIT DE BROYAGE<\/h2><\/div>

Il existe diff\u00e9rents moyens de mesurer la densit\u00e9 dans le circuit de broyage. L'une des applications consiste \u00e0 surveiller la dilution du mat\u00e9riau dans la d\u00e9charge du broyeur \u00e0 boulets, afin d'am\u00e9liorer l'efficacit\u00e9 du processus. Une autre application importante consiste \u00e0 surveiller les changements de densit\u00e9 dans le flux inf\u00e9rieur du cyclone. Cela permet de v\u00e9rifier la stabilit\u00e9 du processus et les augmentations ou diminutions de la charge circulante.<\/p>\n

L'eau a un impact sur le processus de broyage, c'est pourquoi l'efficacit\u00e9 du broyeur \u00e0 boulets peut \u00eatre grandement am\u00e9lior\u00e9e par un meilleur dosage de l'eau. \u00c0 lui seul, ce dosage pourrait am\u00e9liorer l'efficacit\u00e9 de 5-15% selon \"911 m<\/u>etallurgiste\"<\/u><\/a>. Combin\u00e9 \u00e0 une strat\u00e9gie de contr\u00f4le, le taux d'am\u00e9lioration pourrait \u00eatre plus \u00e9lev\u00e9.<\/p>\n

Faites-nous savoir si vous souhaitez recevoir notre livre blanc gratuit<\/a><\/u> Cinq raisons de mesurer la densit\u00e9 dans le circuit de broyage.<\/p>\n<\/div><\/div><\/div>

><\/span> Vers d'autres applications<\/h2><\/div>

Circuit de flottation<\/span><\/a><\/p>\n

\u00c9paississants<\/span><\/a><\/p>\n<\/div><\/div><\/div><\/div><\/div>

Densit\u00e9 dans les circuits de broyage<\/h6><\/h1><\/div>

En r\u00e8gle g\u00e9n\u00e9rale, le circuit de broyage se compose d'un processus de poudrage ou de pulv\u00e9risation et d'un processus de classification. Dans la plupart des sites, un broyeur \u00e0 boulets est couramment utilis\u00e9 pour le broyage, afin de produire des particules fines, et un cyclone (hydro) pour la classification, afin de s\u00e9parer les particules fines des particules plus grosses. Les principaux objectifs du contr\u00f4le du circuit de broyage sont de maximiser le d\u00e9bit et de r\u00e9duire la variabilit\u00e9 de la taille du produit et des solides %. Les mat\u00e9riaux sont retir\u00e9s du circuit lorsqu'ils r\u00e9pondent aux exigences de taille du produit et les mat\u00e9riaux surdimensionn\u00e9s sont recycl\u00e9s dans le broyeur pour un nouveau broyage. Pour atteindre ces objectifs, la boue doit \u00eatre surveill\u00e9e et contr\u00f4l\u00e9e en permanence, ce qui permet de stabiliser le processus et d'assurer des conditions de broyage optimales.<\/p>\n

Les technologies de mesure, telles que les densim\u00e8tres, aident les op\u00e9rateurs \u00e0 surveiller et \u00e0 contr\u00f4ler le circuit de broyage. Elles permettent \u00e9galement de l'optimiser et de pr\u00e9venir les d\u00e9faillances du processus. Lorsqu'ils sont utilis\u00e9s avec un syst\u00e8me de contr\u00f4le avanc\u00e9, les densim\u00e8tres permettent de contr\u00f4ler automatiquement les vannes et les pompes et d'ajouter de l'eau de mani\u00e8re efficace. Il en r\u00e9sulte une am\u00e9lioration du processus qui peut conduire \u00e0 un taux de r\u00e9cup\u00e9ration plus \u00e9lev\u00e9.<\/p>\n<\/div><\/div><\/div>

Contr\u00f4le des circuits de broyage<\/h6><\/h1><\/div>

Dans le circuit de broyage, les points d'installation possibles sont la d\u00e9charge et l'alimentation du broyeur \u00e0 boulets (recirculation), l'alimentation du cyclone (hydro), le d\u00e9bordement et le sous-d\u00e9bordement.<\/p>\n

Le circuit de broyage est g\u00e9n\u00e9ralement consid\u00e9r\u00e9 comme la premi\u00e8re \u00e9tape d'une usine de traitement. Les op\u00e9rateurs doivent donc bien le contr\u00f4ler. L'un des moyens de suivre les changements dans le circuit consiste \u00e0 mesurer la densit\u00e9 de la boue, ce qui est fait manuellement dans de nombreux sites. L'\u00e9chantillon de densit\u00e9 pr\u00e9lev\u00e9 manuellement est utilis\u00e9 comme param\u00e8tre pour indiquer si le processus de broyage fonctionne r\u00e9guli\u00e8rement.<\/p>\n

Cependant, l'\u00e9chantillonnage manuel ne permet pas d'obtenir une tendance pour un contr\u00f4le en temps r\u00e9el. Il est recommand\u00e9 d'utiliser un dispositif de mesure en ligne. Cela permet de d\u00e9tecter les changements en ligne (en temps r\u00e9el) au fur et \u00e0 mesure qu'ils se produisent. \u00c0 titre d'exemple, une application recommand\u00e9e pour doser efficacement les agents de broyage (billes) et l'eau dans le broyeur \u00e0 boulets est la mesure des changements de densit\u00e9 dans la d\u00e9charge du broyeur \u00e0 boulets.<\/p>\n<\/div>

<\/span><\/div><\/div><\/div><\/div><\/div>

Choisissez votre produit pour le circuit de broyage<\/h2><\/div><\/div><\/div><\/div><\/div>
<\/span><\/a><\/span>
<\/span><\/a><\/span>
<\/div><\/div>

Densit\u00e9 du lisier
\ncompteur<\/h3><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>

<\/h2><\/div>

Prendre contact<\/a><\/u> avec Rhosonics pour de plus amples informations. Si vous souhaitez en savoir plus sur nos applications, vous pouvez \u00e9galement consulter notre site web. \u00e9tudes de cas<\/a><\/u> et s\u00e9minaires en ligne<\/a><\/u>.<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/p>","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":3851,"parent":716,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"100-width.php","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-2190","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"\nGrinding circuit - Rhosonics<\/title>\n<meta name=\"description\" content=\"The density measuring system is a compact and accurate instrument to measure the density of the material in the grinding circuit.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Grinding circuit\" \/>\n<meta property=\"og:description\" content=\"The density measuring system is a compact and accurate instrument to measure the density of the material in the grinding circuit.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/rhosonics.com\/mineral-processing\/grinding-circuit\/\" \/>\n<meta property=\"og:site_name\" content=\"Rhosonics\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/rhosonics\" \/>\n<meta property=\"article:modified_time\" content=\"2023-03-31T12:21:05+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/rhosonics.com\/wp-content\/uploads\/2023\/02\/Grinding-Circuit_header.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"465\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@Rhosonicsbv\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"8 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/rhosonics.com\\\/mineral-processing\\\/grinding-circuit\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/rhosonics.com\\\/mineral-processing\\\/grinding-circuit\\\/\"},\"author\":{\"name\":\"Mediaframes\",\"@id\":\"https:\\\/\\\/staging.rhosonics.com\\\/#\\\/schema\\\/person\\\/2ce954ef1a30fe699adff4745435702d\"},\"headline\":\"Grinding circuit\",\"datePublished\":\"2022-10-10T08:01:45+00:00\",\"dateModified\":\"2023-03-31T12:21:05+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/rhosonics.com\\\/mineral-processing\\\/grinding-circuit\\\/\"},\"wordCount\":4022,\"publisher\":{\"@id\":\"https:\\\/\\\/staging.rhosonics.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/rhosonics.com\\\/mineral-processing\\\/grinding-circuit\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/staging.rhosonics.com\\\/wp-content\\\/uploads\\\/2023\\\/02\\\/Grinding-Circuit_header.jpg\",\"inLanguage\":\"fr-FR\"},{\"@type\":[\"WebPage\",\"ItemPage\"],\"@id\":\"https:\\\/\\\/rhosonics.com\\\/mineral-processing\\\/grinding-circuit\\\/\",\"url\":\"https:\\\/\\\/rhosonics.com\\\/mineral-processing\\\/grinding-circuit\\\/\",\"name\":\"Grinding circuit - 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