{"id":3638,"date":"2026-01-22T10:17:01","date_gmt":"2026-01-22T02:17:01","guid":{"rendered":"https:\/\/quartz-grinding.epic-powder.com\/?post_type=astra-portfolio&#038;p=3638"},"modified":"2026-01-22T10:17:04","modified_gmt":"2026-01-22T02:17:04","slug":"ultrafine-grinding-of-high-purity-quartz-from-russia","status":"publish","type":"astra-portfolio","link":"https:\/\/quartz-grinding.epic-powder.com\/fr\/astra-portfolio\/ultrafine-grinding-of-high-purity-quartz-from-russia\/","title":{"rendered":"Broyage ultrafin de quartz de haute puret\u00e9 provenant de Russie"},"content":{"rendered":"<p>La Russie poss\u00e8de d&#039;importantes ressources en quartz filonien de haute qualit\u00e9, caract\u00e9ris\u00e9es par une forte teneur en dioxyde de silicium (SiO\u2082) et un taux d&#039;impuret\u00e9s extr\u00eamement faible. Afin d&#039;accro\u00eetre encore la valeur ajout\u00e9e de son produit, un grand groupe minier local a pr\u00e9vu de transformer son minerai de quartz brut en une granulom\u00e9trie ultrafine (D50 = 7,5 \u03bcm), ciblant des march\u00e9s \u00e0 forte valeur ajout\u00e9e tels que l&#039;emballage \u00e9lectronique, les peintures et rev\u00eatements, et la pierre de quartz reconstitu\u00e9e. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Principaux d\u00e9fis rencontr\u00e9s par les clients dans le broyage ultrafin du quartz<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Duret\u00e9 extr\u00eamement \u00e9lev\u00e9e<\/strong><br>Le quartz a une duret\u00e9 Mohs d&#039;environ 7,0, ce qui entra\u00eene une usure importante des \u00e9quipements et un risque \u00e9lev\u00e9 de contamination par le fer lors du broyage.<\/li>\n\n\n\n<li><strong>Exigences strictes en mati\u00e8re de distribution granulom\u00e9trique<\/strong><br>Le client exigeait un D50 stable de 7,5 \u03bcm (environ une granulom\u00e9trie de 2000 mesh) avec un contr\u00f4le strict sur la taille de coupure des particules grossi\u00e8res.<\/li>\n\n\n\n<li><strong>demande de capacit\u00e9 de production<\/strong><br>Une production industrielle stable de 1 \u00e0 2 t\/h \u00e9tait requise.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Solution: <a href=\"https:\/\/quartz-grinding.epic-powder.com\/fr\/\">Poudre \u00e9pique<\/a> <a href=\"https:\/\/quartz-grinding.epic-powder.com\/fr\/machines\/ball-mill\/\">Broyeur \u00e0 billes<\/a> + <a href=\"https:\/\/quartz-grinding.epic-powder.com\/fr\/machines\/vertical-air-classifier\/\">Classification ITC<\/a> Syst\u00e8me <\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"556\" src=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2026\/01\/Ultrafine-Grinding-Ball-Mill.webp\" alt=\"Broyeur \u00e0 billes \u00e0 broyage ultrafin\" class=\"wp-image-3627\" srcset=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2026\/01\/Ultrafine-Grinding-Ball-Mill.webp 800w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2026\/01\/Ultrafine-Grinding-Ball-Mill-300x209.webp 300w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2026\/01\/Ultrafine-Grinding-Ball-Mill-768x534.webp 768w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2026\/01\/Ultrafine-Grinding-Ball-Mill-18x12.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>Pour le broyage ultrafin du quartz et d&#039;autres min\u00e9raux \u00e0 haute duret\u00e9, Epic Powder a fourni un syst\u00e8me en circuit ferm\u00e9 combinant un broyeur \u00e0 billes sec avec un classificateur \u00e0 air ultrafin ITC.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Principaux points saillants de la configuration des \u00e9quipements<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Broyeur \u00e0 boulets (broyage \u00e0 sec)<\/strong><br>Con\u00e7u avec un rapport longueur\/diam\u00e8tre optimis\u00e9 et des m\u00e9dias de broyage en alumine soigneusement calibr\u00e9s, assurant un impact efficace et \u00e0 haute fr\u00e9quence entre les particules \u00e0 l&#039;int\u00e9rieur du broyeur.<\/li>\n\n\n\n<li><strong>Classificateur d&#039;air ITC<\/strong><br>La roue de classification centrale est install\u00e9e horizontalement, ce qui garantit une pr\u00e9cision de classification extr\u00eamement \u00e9lev\u00e9e. Son canal d&#039;\u00e9coulement sp\u00e9cialement con\u00e7u extrait efficacement les particules plus fines que <strong>7,5 \u03bcm<\/strong>, tandis que les particules grossi\u00e8res sont renvoy\u00e9es au broyeur \u00e0 boulets pour un broyage plus pouss\u00e9.<\/li>\n\n\n\n<li><strong>Protection c\u00e9ramique int\u00e9grale<\/strong><br>Pour pr\u00e9server la blancheur et la puret\u00e9 du quartz, le broyeur \u00e0 billes est rev\u00eatu de c\u00e9ramique d&#039;alumine 99% et toutes les pi\u00e8ces en contact avec le produit du classificateur ITC sont trait\u00e9es \u00e0 la c\u00e9ramique, permettant une voie de traitement totalement sans fer (\u00ab non m\u00e9tallique \u00bb).<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. Param\u00e8tres du processus<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Mat\u00e9riel<\/strong>Quartz vein\u00e9 russe<\/li>\n\n\n\n<li><strong>Taille de l&#039;alimentation<\/strong>: \u2264 5 mm<\/li>\n\n\n\n<li><strong>Sp\u00e9cifications du produit<\/strong>: D50 = 7,5 \u03bcm<\/li>\n\n\n\n<li><strong>Capacit\u00e9 du syst\u00e8me<\/strong>: 1,2 \u2013 1,8 t\/h<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Valeur client et r\u00e9sultats de performance<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Aspect d&#039;\u00e9valuation<\/th><th>Proc\u00e9d\u00e9 conventionnel<\/th><th>Solution Epic Powder System<\/th><\/tr><\/thead><tbody><tr><td>Puret\u00e9 du produit<\/td><td>Teneur \u00e9lev\u00e9e en fer, affectant l&#039;isolation \u00e9lectrique<\/td><td>Proc\u00e9d\u00e9 sans fer, puret\u00e9 du SiO\u2082 &gt; 99,91 % TP3T<\/td><\/tr><tr><td>Stabilit\u00e9 de la taille des particules<\/td><td>Sujet au sur-broyage ou aux fuites de particules grossi\u00e8res<\/td><td>Fluctuation de D50 \u2264 \u00b10,3 \u03bcm<\/td><\/tr><tr><td>Dur\u00e9e de vie de l&#039;\u00e9quipement<\/td><td>Remplacement fr\u00e9quent des rev\u00eatements en acier<\/td><td>Dur\u00e9e de vie du rev\u00eatement c\u00e9ramique prolong\u00e9e de 3 \u00e0 5 fois<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div class=\"wp-block-contact-form-7-contact-form-selector\">\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f16-o1\" lang=\"zh-CN\" dir=\"ltr\" data-wpcf7-id=\"16\">\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\/astra-portfolio\/3638#wpcf7-f16-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"\u7559\u8a00\u8868\u5355\" novalidate=\"novalidate\" data-status=\"init\" data-trp-original-action=\"\/fr\/wp-json\/wp\/v2\/astra-portfolio\/3638#wpcf7-f16-o1\">\n<div style=\"display: none;\">\n<input type=\"hidden\" name=\"_wpcf7\" value=\"16\" 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