{"id":14987,"date":"2026-06-23T06:22:57","date_gmt":"2026-06-23T06:22:57","guid":{"rendered":"https:\/\/www.ball-mill-classifiers.com\/?p=14987"},"modified":"2026-06-23T06:23:00","modified_gmt":"2026-06-23T06:23:00","slug":"what-are-the-reasons-for-the-low-grinding-efficiency-of-ball-mill","status":"publish","type":"post","link":"https:\/\/www.ball-mill-classifiers.com\/fr\/what-are-the-reasons-for-the-low-grinding-efficiency-of-ball-mill\/","title":{"rendered":"Quelles sont les raisons du faible rendement de broyage des broyeurs \u00e0 boulets\u00a0?"},"content":{"rendered":"<p>L&#039;efficacit\u00e9 de broyage d&#039;un <a href=\"https:\/\/www.ball-mill-classifiers.com\/fr\/\">broyeur \u00e0 billes<\/a> Le rendement du broyeur \u00e0 boulets est influenc\u00e9 par de nombreux facteurs, notamment\u00a0: le mouvement des billes d&#039;acier dans le cylindre, la vitesse de rotation, le d\u00e9bit et la taille des billes, le niveau de mati\u00e8re et l&#039;utilisation d&#039;adjuvants de broyage. Tous ces facteurs ont une incidence, \u00e0 des degr\u00e9s divers, sur son efficacit\u00e9.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-movement-pattern-of-steel-balls-within-the-cylinder\">Mod\u00e8le de d\u00e9placement des billes d&#039;acier \u00e0 l&#039;int\u00e9rieur du cylindre<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"449\" src=\"https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2026\/06\/Ball-Mill-Filling-Rate.webp\" alt=\"Ball Mill Filling Rate\" class=\"wp-image-14971\" srcset=\"https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2026\/06\/Ball-Mill-Filling-Rate.webp 800w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2026\/06\/Ball-Mill-Filling-Rate-300x168.webp 300w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2026\/06\/Ball-Mill-Filling-Rate-768x431.webp 768w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2026\/06\/Ball-Mill-Filling-Rate-18x10.webp 18w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2026\/06\/Ball-Mill-Filling-Rate-600x337.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">Taux de remplissage du broyeur \u00e0 boulets<\/figcaption><\/figure>\n\n\n\n<p>Plus pr\u00e9cis\u00e9ment, le sch\u00e9ma de mouvement des \u00e9l\u00e9ments de broyage \u00e0 l&#039;int\u00e9rieur du cylindre affecte, dans une certaine mesure, l&#039;efficacit\u00e9 du broyage du broyeur \u00e0 boulets.<\/p>\n\n\n\n<p>L&#039;environnement de travail d&#039;un broyeur \u00e0 boulets peut \u00eatre divis\u00e9 en plusieurs cat\u00e9gories\u00a0:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-peripheral-and-cascading-motion-zone\">Zone de mouvement p\u00e9riph\u00e9rique et en cascade<\/h3>\n\n\n\n<p>Dans cette zone, le d\u00e9bit de remplissage du tambour est extr\u00eamement faible, voire nul. Par cons\u00e9quent, les mat\u00e9riaux subissent un mouvement circulaire uniforme ou un mouvement en cascade le long de la paroi du tambour. Ceci augmente consid\u00e9rablement la probabilit\u00e9 de collisions entre les billes, entra\u00eenant une usure importante des billes d&#039;acier et des rev\u00eatements, ce qui se traduit finalement par une faible efficacit\u00e9 de broyage.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-cataracting-throwing-motion-zone\">Zone de mouvement de la cataracte (lancement)<\/h3>\n\n\n\n<p>Cette zone pr\u00e9sente un taux de remplissage optimal. Dans ces conditions, les billes d&#039;acier sont projet\u00e9es et impactent directement le mat\u00e9riau, g\u00e9n\u00e9rant des forces de broyage plus \u00e9lev\u00e9es et conduisant \u00e0 un rendement relativement \u00e9lev\u00e9 du broyeur \u00e0 boulets.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-central-mixing-zone\">Zone de m\u00e9lange centrale<\/h3>\n\n\n\n<p>Situ\u00e9e autour du c\u0153ur du broyeur \u00e0 boulets, cette zone pr\u00e9sente une combinaison de mouvements circulaires, en cascade et en cataracte. L&#039;amplitude de mouvement des billes d&#039;acier y est tr\u00e8s r\u00e9duite, ce qui minimise l&#039;usure et les forces d&#039;impact.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-dead-blank-zone\">Zone morte (vide)<\/h3>\n\n\n\n<p>Dans cette zone, les billes d&#039;acier restent immobiles. Si le d\u00e9bit de remplissage est excessif, leur mouvement est fortement r\u00e9duit, voire annul\u00e9. Il en r\u00e9sulte un gaspillage d&#039;\u00e9nergie et de ressources, et le broyeur \u00e0 boulets devient tr\u00e8s vuln\u00e9rable aux pannes m\u00e9caniques.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-the-shift-from-horizontal-to-vertical-ball-mills\">Le passage de l&#039;horizontal au vertical <a href=\"https:\/\/www.ball-mill-classifiers.com\/fr\/products\/\">Broyeurs \u00e0 boulets<\/a><\/h3>\n\n\n\n<p>Comme indiqu\u00e9 dans la description de la zone p\u00e9riph\u00e9rique, lorsque le volume de remplissage est extr\u00eamement faible ou nul, le broyeur \u00e0 boulets subit une usure importante, principalement due \u00e0 l&#039;impact des billes d&#039;acier sur le mat\u00e9riau. Les broyeurs \u00e0 boulets conventionnels \u00e9tant horizontaux, des broyeurs \u00e0 boulets verticaux ont \u00e9t\u00e9 mis au point afin de r\u00e9duire efficacement l&#039;usure des mat\u00e9riaux.<\/p>\n\n\n\n<p>Dans les broyeurs traditionnels, c&#039;est le tambour lui-m\u00eame qui tourne. \u00c0 l&#039;inverse, dans les broyeurs \u00e0 agitation, la cuve reste fixe. Le syst\u00e8me repose principalement sur un agitateur \u00e0 vis pour brasser les billes d&#039;acier et les mat\u00e9riaux contenus dans la cuve. Gr\u00e2ce \u00e0 ce m\u00e9canisme d&#039;agitation verticale, les billes et les mat\u00e9riaux tournent \u00e0 l&#039;int\u00e9rieur du broyeur, garantissant ainsi leur interaction exclusive avec les billes d&#039;acier jusqu&#039;\u00e0 leur pulv\u00e9risation. De ce fait, cette conception est particuli\u00e8rement adapt\u00e9e aux op\u00e9rations de broyage fin et ultrafin.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"411\" src=\"https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/11\/Ball-mill-grinding.webp\" alt=\"Ball mill grinding\" class=\"wp-image-14746\" srcset=\"https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/11\/Ball-mill-grinding.webp 800w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/11\/Ball-mill-grinding-300x154.webp 300w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/11\/Ball-mill-grinding-768x395.webp 768w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/11\/Ball-mill-grinding-18x9.webp 18w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/11\/Ball-mill-grinding-600x308.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">Broyage \u00e0 boulets<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-rotation-speed-rate\">Vitesse de rotation<\/h2>\n\n\n\n<p>La vitesse de rotation est un param\u00e8tre de fonctionnement critique qui influe directement sur l&#039;efficacit\u00e9 de broyage d&#039;un broyeur \u00e0 boulets. Lors de l&#039;\u00e9valuation de la vitesse de rotation, il est \u00e9galement essentiel de prendre en compte le d\u00e9bit de remplissage, car il existe une corr\u00e9lation positive entre les deux. En supposant un d\u00e9bit de remplissage constant, il existe toujours une vitesse de rotation optimale pour chaque \u00e9tat de mouvement de la charge de boulets.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-impact-of-low-rotation-speed\">Impact de la faible vitesse de rotation<\/h3>\n\n\n\n<p>\u00c0 faible vitesse de rotation et \u00e0 d\u00e9bit de remplissage constant, les billes d&#039;acier acqui\u00e8rent moins d&#039;\u00e9nergie cin\u00e9tique. L&#039;\u00e9nergie d&#039;impact r\u00e9sultante sur le mat\u00e9riau est faible et peut \u00eatre inf\u00e9rieure au seuil de rupture des particules de minerai. Il en r\u00e9sulte des impacts inefficaces, les particules de minerai ne se brisant pas, ce qui se traduit par un faible rendement de broyage \u00e0 basse vitesse.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-optimal-speed-vs-critical-speed\">Vitesse optimale vs. vitesse critique<\/h3>\n\n\n\n<p>\u00c0 mesure que la vitesse de rotation augmente, l&#039;\u00e9nergie d&#039;impact des billes d&#039;acier cro\u00eet, ce qui am\u00e9liore le taux de broyage des particules grossi\u00e8res et, par cons\u00e9quent, l&#039;efficacit\u00e9 du broyage. Cependant, si la vitesse continue d&#039;augmenter et approche la vitesse critique, le taux de broyage des produits grossiers commence \u00e0 diminuer. Ceci s&#039;explique par le fait que, malgr\u00e9 l&#039;\u00e9nergie d&#039;impact plus \u00e9lev\u00e9e \u00e0 des vitesses excessives, la fr\u00e9quence de circulation des billes d&#039;acier chute drastiquement. Cette r\u00e9duction du nombre d&#039;impacts par unit\u00e9 de temps entra\u00eene une diminution du taux de broyage des particules grossi\u00e8res.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-steel-ball-replenishment-and-size-distribution\">R\u00e9approvisionnement en billes d&#039;acier et distribution granulom\u00e9trique<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"730\" height=\"449\" src=\"https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/05\/Metal-grinding-media-balls.webp\" alt=\"Metal grinding media balls\" class=\"wp-image-14297\" srcset=\"https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/05\/Metal-grinding-media-balls.webp 730w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/05\/Metal-grinding-media-balls-300x185.webp 300w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/05\/Metal-grinding-media-balls-18x12.webp 18w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/05\/Metal-grinding-media-balls-600x369.webp 600w\" sizes=\"(max-width: 730px) 100vw, 730px\" \/><\/figure>\n\n\n\n<p>Des volumes de billes inadapt\u00e9s, des diam\u00e8tres de billes incorrects ou des rapports de taille inappropri\u00e9s entra\u00eenent in\u00e9vitablement une baisse de l&#039;efficacit\u00e9 du broyage. Une grande partie de l&#039;usure importante constat\u00e9e en cours de fonctionnement est due \u00e0 un ajout manuel de billes mal contr\u00f4l\u00e9, provoquant leur accumulation, leur blocage et, par cons\u00e9quent, une usure m\u00e9canique.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-optimizing-media-ball-sizes\">Optimisation de la taille des billes de m\u00e9dia<\/h3>\n\n\n\n<p>En tant que principal milieu de broyage, le volume total et le rapport de taille des billes d&#039;acier doivent \u00eatre strictement contr\u00f4l\u00e9s. L&#039;optimisation du milieu de broyage peut am\u00e9liorer l&#039;efficacit\u00e9 du broyage d&#039;environ 30%. Lors du broyage, les billes de plus grand diam\u00e8tre engendrent une usure par impact plus importante, mais une usure par attrition (broyage) moindre. Inversement, les billes de plus petit diam\u00e8tre produisent moins d&#039;usure par impact, mais une usure par attrition plus importante.<\/p>\n\n\n\n<p>Si le diam\u00e8tre des billes est trop grand, leur nombre total dans le tambour diminue, r\u00e9duisant ainsi la surface de broyage totale et acc\u00e9l\u00e9rant l&#039;usure du rev\u00eatement et la consommation des billes. \u00c0 l&#039;inverse, si leur diam\u00e8tre est trop petit, l&#039;effet d&#039;amortissement du mat\u00e9riau augmente, ce qui diminue les performances de broyage par impact.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-precise-ball-loading-and-replenishment-method\">M\u00e9thode pr\u00e9cise de chargement et de r\u00e9approvisionnement des billes<\/h3>\n\n\n\n<p>Pour am\u00e9liorer encore l&#039;efficacit\u00e9 du broyage, une m\u00e9thode pr\u00e9cise de chargement et de r\u00e9approvisionnement des billes a \u00e9t\u00e9 propos\u00e9e\u00a0:<\/p>\n\n\n\n<p><strong>S\u00e9lection et classification\u00a0:<\/strong> <\/p>\n\n\n\n<p>Trier et analyser des minerais sp\u00e9cifiques afin de les regrouper par granulom\u00e9trie.<\/p>\n\n\n\n<p><strong>Analyse des capacit\u00e9s d&#039;impact :<\/strong> <\/p>\n\n\n\n<p>Analysez la r\u00e9sistance \u00e0 la fracture du minerai et utilisez des formules semi-th\u00e9oriques de diam\u00e8tre de bille pour calculer la taille exacte de bille requise pour chaque groupe de particules.<\/p>\n\n\n\n<p><strong>Optimisation des ratios par la m\u00e9canique\u00a0:<\/strong><\/p>\n\n\n\n<p> D\u00e9terminer les proportions des diff\u00e9rentes billes d&#039;acier en fonction de la granulom\u00e9trie du mat\u00e9riau d&#039;alimentation. Pour ce faire, on utilise les principes de la m\u00e9canique statistique de la fragmentation afin de maximiser la probabilit\u00e9 de concassage.<\/p>\n\n\n\n<p><strong>R\u00e9approvisionnement simplifi\u00e9\u00a0:<\/strong><\/p>\n\n\n\n<p> Utilisez ces calculs comme base pour rationaliser le r\u00e9approvisionnement en billes, en limitant l&#039;ajout \u00e0 seulement 2 ou 3 tailles de billes optimales afin de r\u00e9duire la complexit\u00e9.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-material-level\">Niveau mat\u00e9riel<\/h2>\n\n\n\n<p>Le niveau de mat\u00e9riau influe directement sur le taux de remplissage, ce qui affecte \u00e0 son tour les performances de broyage. Un niveau de mat\u00e9riau trop \u00e9lev\u00e9 peut provoquer le colmatage du broyeur par le charbon. Par cons\u00e9quent, une surveillance efficace du niveau de mat\u00e9riau est essentielle.<\/p>\n\n\n\n<p>De plus, la consommation \u00e9nerg\u00e9tique du broyeur \u00e0 boulets est \u00e9troitement li\u00e9e au niveau de mati\u00e8re. Dans les syst\u00e8mes de broyage \u00e0 stockage interm\u00e9diaire, la consommation \u00e9lectrique du broyeur \u00e0 boulets repr\u00e9sente environ 701 Tb\/s de la consommation \u00e9lectrique totale du syst\u00e8me et environ 151 Tb\/s de la puissance totale de l&#039;installation. Bien que de nombreuses variables influent sur les syst\u00e8mes de broyage \u00e0 stockage interm\u00e9diaire, un contr\u00f4le efficace du niveau de mati\u00e8re demeure une priorit\u00e9 absolue.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-liner-selection\">S\u00e9lection de doublure<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2026\/06\/Ball-Mill-Liners.webp\" alt=\"Ball Mill Liners\" class=\"wp-image-14983\" srcset=\"https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2026\/06\/Ball-Mill-Liners.webp 800w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2026\/06\/Ball-Mill-Liners-300x225.webp 300w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2026\/06\/Ball-Mill-Liners-768x576.webp 768w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2026\/06\/Ball-Mill-Liners-16x12.webp 16w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2026\/06\/Ball-Mill-Liners-600x450.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>Les rev\u00eatements d&#039;un broyeur \u00e0 boulets prot\u00e8gent non seulement le tambour des dommages, mais transmettent \u00e9galement l&#039;\u00e9nergie aux billes de broyage. L&#039;efficacit\u00e9 du broyage d\u00e9pend fortement du profil de fonctionnement de ces rev\u00eatements. L&#039;exp\u00e9rience pratique montre que, pour minimiser les dommages au tambour et optimiser l&#039;efficacit\u00e9 du broyage, il est essentiel de r\u00e9duire au minimum le glissement entre les billes de broyage et le rev\u00eatement. On y parvient g\u00e9n\u00e9ralement en modifiant la g\u00e9om\u00e9trie de surface du rev\u00eatement ou en augmentant le coefficient de frottement entre le rev\u00eatement et les billes.<\/p>\n\n\n\n<p>Alors que les rev\u00eatements en acier \u00e0 haute teneur en mangan\u00e8se \u00e9taient traditionnellement utilis\u00e9s, les installations modernes font d\u00e9sormais appel \u00e0 des rev\u00eatements en caoutchouc, magn\u00e9tiques et spiral\u00e9s angulaires. Ces rev\u00eatements de pointe offrent des performances sup\u00e9rieures aux rev\u00eatements traditionnels en acier \u00e0 haute teneur en mangan\u00e8se et prolongent efficacement la dur\u00e9e de vie du broyeur \u00e0 boulets.<\/p>\n\n\n\n<p>Des am\u00e9liorations cibl\u00e9es dans les sch\u00e9mas de mouvement des billes d&#039;acier, la vitesse de rotation, le r\u00e9approvisionnement et la distribution granulom\u00e9trique des billes, les niveaux de mat\u00e9riaux et les mat\u00e9riaux de rev\u00eatement peuvent collectivement et significativement augmenter l&#039;efficacit\u00e9 du broyage.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-conclusion\">Conclusion<\/h2>\n\n\n\n<p>En conclusion, l&#039;efficacit\u00e9 de broyage d&#039;un broyeur \u00e0 boulets ne d\u00e9pend pas d&#039;une seule variable isol\u00e9e. Elle r\u00e9sulte plut\u00f4t d&#039;une synergie multiparam\u00e9trique. Ce processus implique l&#039;\u00e9tat de mouvement des boulets, la vitesse de rotation et la distribution des milieux de broyage. Il d\u00e9pend \u00e9galement du contr\u00f4le du niveau de mat\u00e9riau et de la configuration du rev\u00eatement. Un d\u00e9s\u00e9quilibre au niveau de l&#039;un de ces composants peut engendrer plusieurs probl\u00e8mes\u00a0: une baisse de l&#039;efficacit\u00e9 \u00e9nerg\u00e9tique, un broyage excessif et une usure acc\u00e9l\u00e9r\u00e9e de l&#039;\u00e9quipement. En d\u00e9finitive, ces facteurs perturbent la stabilit\u00e9 de la production et la qualit\u00e9 du produit.<\/p>\n\n\n\n<p>Dans le traitement moderne des poudres fines, les entreprises d&#039;ing\u00e9nierie des poudres de pointe, repr\u00e9sent\u00e9es par des leaders du secteur comme EPIC Powder, rendent les processus de broyage et de classification hautement contr\u00f4lables et efficaces. Elles y parviennent en optimisant les syst\u00e8mes de contr\u00f4le de la classification, en modernisant la conception des chambres de broyage et en am\u00e9liorant les ajustements intelligents des param\u00e8tres op\u00e9rationnels.<\/p>\n\n\n\n<p>Cela est particuli\u00e8rement vrai dans certains domaines sp\u00e9cifiques, comme par exemple le carbonate de calcium ultrafin et dense, la poudre de quartz\/silice, les min\u00e9raux non m\u00e9talliques et les poudres fonctionnelles haut de gamme. Dans ces secteurs, les broyeurs \u00e0 boulets doivent \u00eatre int\u00e9gr\u00e9s \u00e0 d&#039;autres proc\u00e9d\u00e9s, tels que le classement de pr\u00e9cision, la modification de surface et les lignes de production en continu. Cette int\u00e9gration r\u00e9duit consid\u00e9rablement les pertes de puissance et le surbroyage, permettant ainsi de concentrer l&#039;\u00e9nergie pr\u00e9cis\u00e9ment sur le broyage. On obtient alors une capacit\u00e9 unitaire plus \u00e9lev\u00e9e et une granulom\u00e9trie plus stable.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity is-style-default\"\/>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized is-style-rounded\"><img loading=\"lazy\" decoding=\"async\" width=\"721\" height=\"721\" src=\"https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/11\/Emily-Chen.webp\" alt=\"Emily Chen\" class=\"wp-image-14761\" style=\"width:150px;height:150px\" srcset=\"https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/11\/Emily-Chen.webp 721w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/11\/Emily-Chen-300x300.webp 300w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/11\/Emily-Chen-100x100.webp 100w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/11\/Emily-Chen-12x12.webp 12w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/11\/Emily-Chen-600x600.webp 600w\" sizes=\"(max-width: 721px) 100vw, 721px\" \/><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote has-text-align-center is-style-large is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u00ab Merci de votre lecture. J\u2019esp\u00e8re que cet article vous sera utile. N\u2019h\u00e9sitez pas \u00e0 laisser un commentaire ci-dessous. Pour toute question, vous pouvez \u00e9galement contacter le service client en ligne de Zelda. \u00bb<\/p>\n<cite>                                                                                                                                   \u2014 Publi\u00e9 par <a href=\"https:\/\/www.linkedin.com\/company\/76603359\/admin\/dashboard\/\">Emily Chen<\/a><\/cite><\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity is-style-default\"\/>\n\n\n\n<div class=\"wp-block-contact-form-7-contact-form-selector\">\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f14067-o1\" lang=\"zh-CN\" dir=\"ltr\" data-wpcf7-id=\"14067\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/fr\/wp-json\/wp\/v2\/posts\/14987#wpcf7-f14067-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"\u7559\u8a00\u8868\u5355\" novalidate=\"novalidate\" data-status=\"init\" 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Parmi ceux-ci figurent principalement\u00a0: le mouvement des billes d&#039;acier \u00e0 l&#039;int\u00e9rieur du cylindre, la vitesse de rotation, le r\u00e9approvisionnement [\u2026]<\/p>","protected":false},"author":1,"featured_media":14983,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-14987","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-company-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.2 (Yoast SEO v25.2) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What Are the Reasons for the Low Grinding Efficiency of Ball Mill? 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