{"id":15677,"date":"2023-09-26T11:35:50","date_gmt":"2023-09-26T11:35:50","guid":{"rendered":"http:\/\/quartz-grinding.com\/?p=15677"},"modified":"2023-09-26T11:35:53","modified_gmt":"2023-09-26T11:35:53","slug":"what-are-the-secrets-for-ultra-fine-crushing-of-quartz-with-a-hardness-of-7","status":"publish","type":"post","link":"https:\/\/www.quartz-grinding.com\/fr\/what-are-the-secrets-for-ultra-fine-crushing-of-quartz-with-a-hardness-of-7\/","title":{"rendered":"Quels sont les \u00ab secrets \u00bb du broyage ultra-fin du quartz d\u2019une duret\u00e9 de 7 ?"},"content":{"rendered":"

La poudre de quartz ultrafine est une charge inorganique neutre de haute qualit\u00e9. Il pr\u00e9sente une forte r\u00e9sistance aux acides, des propri\u00e9t\u00e9s physiques et chimiques stables, une bonne transmission de la lumi\u00e8re, un di\u00e9lectrique \u00e9lev\u00e9, une r\u00e9sistance \u00e9lev\u00e9e \u00e0 l'humidit\u00e9, une r\u00e9sistance aux radiations, une excellente r\u00e9sistance aux temp\u00e9ratures \u00e9lev\u00e9es et des propri\u00e9t\u00e9s informatiques \u00e9lev\u00e9es telles que la puret\u00e9, une faible teneur en ions, une faible expansion et une faible contrainte. . Il est largement utilis\u00e9 dans les plastiques, les rev\u00eatements, les peintures, le caoutchouc, la c\u00e9ramique, les encres, les mat\u00e9riaux catalytiques et de filtration des gaz, ainsi que dans d'autres domaines.<\/p>\n\n\n\n

Parmi eux, l'industrie de haute technologie a des exigences tr\u00e8s strictes en mati\u00e8re de puret\u00e9, de taille de particule et de distribution granulom\u00e9trique de la poudre de quartz ultra-fine. En ce qui concerne la technologie de concassage actuelle, les \u00e9quipements de concassage ultrafin disponibles pour les min\u00e9raux de quartz naturel comprennent des broyeurs \u00e0 boulets, des broyeurs \u00e0 agitation, des broyeurs \u00e0 flux d'air, des broyeurs vibrants et divers classificateurs.<\/p>\n\n\n\n

Pr\u00e9traitement du quartz (calcination + trempe \u00e0 l'eau)<\/h2>\n\n\n\n

La duret\u00e9 du quartz est de 7. Si d'autres min\u00e9raux sont directement broy\u00e9s, la consommation d'\u00e9nergie sera \u00e9lev\u00e9e et l'efficacit\u00e9 sera faible. Par cons\u00e9quent, le concassage thermique peut \u00eatre effectu\u00e9 en premier, \u00e0 savoir la m\u00e9thode de trempe par calcination-eau.<\/p>\n\n\n\n

Tout d'abord, le quartz est calcin\u00e9 \u00e0 haute temp\u00e9rature (900 ~ 1\u00a0150 \u2103), puis refroidi avec de l'eau, provoquant une \u00ab expansion thermique \u00bb et une \u00ab contraction \u00e0 froid \u00bb rapides du quartz, ce qui entra\u00eene un grand nombre de microfissures \u00e0 sa surface. et \u00e0 l'int\u00e9rieur du bloc, r\u00e9duisant ainsi sa r\u00e9sistance. , am\u00e9liorer l'efficacit\u00e9 du concassage.<\/p>\n\n\n\n

Lorsque l\u2019eau se d\u00e9salt\u00e8re, il est pr\u00e9f\u00e9rable de ne pas utiliser de piscine car lorsqu\u2019elle refroidit, de nombreuses bulles de vapeur d\u2019eau se forment \u00e0 la surface du quartz. Compar\u00e9 \u00e0 l\u2019eau liquide, il n\u2019est pas facile de conduire la chaleur ; il n'est pas facile de former un effet de \u00ab refroidissement rapide \u00bb.<\/p>\n\n\n\n

Pr\u00e9paration de poudre de quartz ultrafine par broyeur \u00e0 boulets<\/h2>\n\n\n\n

Le broyeur \u00e0 boulets + classificateur<\/a> La ligne de production compl\u00e8te est plus adapt\u00e9e au traitement de concassage ultra-fin du quartz. Il pr\u00e9sente les caract\u00e9ristiques d'une blancheur \u00e9lev\u00e9e du produit, d'une bonne forme et d'un brillant, d'indicateurs de qualit\u00e9 stables et d'une forte contr\u00f4labilit\u00e9 de la distribution granulom\u00e9trique.<\/p>\n\n\n\n

Cependant, puisque broyeurs \u00e0 boulets<\/a> et les classificateurs ont des fonctions et des orientations diff\u00e9rentes et sont g\u00e9n\u00e9ralement produits par deux soci\u00e9t\u00e9s, il existe souvent des diff\u00e9rences dans des concepts tels que le rendement, de sorte que l'ad\u00e9quation des deux doit \u00eatre prise en compte lors de la s\u00e9lection et de la conception des \u00e9quipements. Si l'application n'est pas raisonnable, elle entra\u00eenera des contraintes fonctionnelles, une consommation d'\u00e9nergie \u00e9lev\u00e9e et un faible rendement. Une bonne coop\u00e9ration peut faire jouer pleinement leurs avantages respectifs, en compl\u00e9tant l'ensemble du syst\u00e8me, en obtenant deux fois le r\u00e9sultat avec la moiti\u00e9 de l'effort et en \u00e9tant tr\u00e8s efficace.<\/p>\n\n\n\n

De plus, la duret\u00e9 \u00e9lev\u00e9e du quartz provoque une usure importante des \u00e9quipements et contamine les produits. Une protection r\u00e9sistante \u00e0 l'usure doit \u00eatre effectu\u00e9e sur l'\u00e9quipement, en particulier sur la poudre de silicium de haute puret\u00e9 de qualit\u00e9 \u00e9lectronique. Toutes les pi\u00e8ces statiques, telles que les cavit\u00e9s et les tuyaux, doivent \u00eatre constitu\u00e9es de mat\u00e9riaux c\u00e9ramiques ou organiques r\u00e9sistant \u00e0 l'usure. Mat\u00e9riaux, etc., pour la doublure. Les broyeurs \u00e0 boulets utilisent g\u00e9n\u00e9ralement des plaques de rev\u00eatement en alumine ou des plaques de rev\u00eatement en pierre \u00e0 billes.<\/p>\n\n\n\n

\"Broyeur
Broyeur \u00e0 boulets de quartz + ligne de production de classificateur<\/figcaption><\/figure>\n\n\n\n

Pr\u00e9paration de poudre de quartz ultrafine par broyeur vibrant<\/h2>\n\n\n\n

Le broyeur vibrant<\/a> pr\u00e9sente les avantages d'un faible bruit, d'une structure compacte, d'une petite taille, d'un poids l\u00e9ger, d'une faible consommation d'\u00e9nergie, d'un rendement \u00e9lev\u00e9, d'une granulom\u00e9trie de broyage concentr\u00e9e et d'une absence de pollution. La poudre de silicium ultra-fine de haute puret\u00e9 de qualit\u00e9 \u00e9lectronique produite est une poudre de type sph\u00e9rique.<\/p>\n\n\n\n

Broyeurs vibrants<\/a> utilisez g\u00e9n\u00e9ralement de l'alumine comme rev\u00eatement, et les m\u00e9dias sont principalement des boules de m\u00e9dia d'alumine. La fr\u00e9quence de vibration affecte directement l\u2019efficacit\u00e9 de broyage du produit ainsi que les pertes d\u2019\u00e9quipement et la consommation d\u2019\u00e9nergie. La d\u00e9termination de la fr\u00e9quence de vibration appropri\u00e9e en fonction de la capacit\u00e9 de production et de la capacit\u00e9 de traitement du classificateur est un facteur cl\u00e9 pour la production efficace et contr\u00f4lable de produits avec une distribution granulom\u00e9trique raisonnable. La taille des particules et le rendement du produit peuvent \u00eatre ajust\u00e9s en ajustant le nombre de pales de la roue du classificateur, la vitesse de la roue, la pression de l'air et le volume d'air du ventilateur \u00e0 tirage induit, ainsi que la taille de l'\u00e9lutriateur \u00e0 grille d'air secondaire.<\/p>\n\n\n\n

\"Moulin
Moulin \u00e0 vibrations<\/figcaption><\/figure>\n\n\n\n

Pr\u00e9paration de poudre de quartz ultrafine par jet mill<\/h2>\n\n\n\n

La technologie de concassage \u00e0 flux d\u2019air est l\u2019une des technologies de broyage ultra-fin les plus importantes. Guo Xiuping peut obtenir de bons effets de concassage en utilisant un lit fluidis\u00e9 broyeur \u00e0 jet<\/a> broyer le quartz. Dans le s\u00e9parateur \u00e0 cyclone et le d\u00e9poussi\u00e9reur \u00e0 sac \u00e0 impulsions, d95= peut \u00eatre obtenu respectivement. Il existe deux produits : 10\u03bcm et d97=6\u03bcm. Les facteurs qui affectent l'effet de concassage du mat\u00e9riau comprennent principalement le courant de classification, la taille des particules d'alimentation et la vitesse de classification.<\/p>\n\n\n\n

\n
\"Broyeur
Broyeur \u00e0 jet MQL + roue de calibrage en c\u00e9ramique<\/figcaption><\/figure>\n<\/figure>\n\n\n\n

Application d'auxiliaires de broyage dans le concassage fin de poudre de pierre<\/h2>\n\n\n\n

Pendant le processus de broyage fin de la poudre de pierre, l'ajout d'une quantit\u00e9 appropri\u00e9e d'aide au broyage a non seulement un effet d'aide au broyage, mais agit \u00e9galement comme un dispersant. Les aides au broyage courantes comprennent le polyacrylamide, le chlorure de sodium, le silicate, la tri\u00e9thanolamine, le dod\u00e9cylsulfonate de sodium, etc.
La quantit\u00e9 d'aide au broyage doit \u00eatre appropri\u00e9e. G\u00e9n\u00e9ralement, \u00e0 mesure que la dose augmente, l\u2019effet de broyage augmente. Apr\u00e8s avoir atteint la valeur optimale, augmenter le dosage aggravera l\u2019effet de broyage.<\/p>","protected":false},"excerpt":{"rendered":"

La poudre de quartz ultrafine est une charge inorganique neutre de haute qualit\u00e9. Il pr\u00e9sente une forte r\u00e9sistance aux acides, des propri\u00e9t\u00e9s physiques et chimiques stables, une bonne transmission de la lumi\u00e8re, un di\u00e9lectrique \u00e9lev\u00e9, une r\u00e9sistance \u00e9lev\u00e9e \u00e0 l'humidit\u00e9, une r\u00e9sistance aux radiations, une excellente [\u2026]<\/p>","protected":false},"author":1,"featured_media":15679,"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":"default","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":[42],"tags":[191,192,193],"class_list":["post-15677","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news","tag-jet-mill","tag-ball-mill","tag-vibration-mill"],"yoast_head":"\nWhat are the "secrets" for ultra-fine crushing of quartz with a hardness of 7? - Silica powder (ultrafine quartz powder) processing expert<\/title>\n<meta name=\"description\" content=\"Ultrafine quartz powder is a high-quality neutral inorganic filler. During the fine grinding process of stone powder, adding an appropriate amount of grinding aid not only has a grinding aid effect but also acts as a dispersant.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.quartz-grinding.com\/fr\/what-are-the-secrets-for-ultra-fine-crushing-of-quartz-with-a-hardness-of-7\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What are the "secrets" for ultra-fine crushing of quartz with a hardness of 7? - Silica powder (ultrafine quartz powder) processing expert\" \/>\n<meta property=\"og:description\" content=\"Ultrafine quartz powder is a high-quality neutral inorganic filler. 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