{"id":4189,"date":"2025-06-03T13:12:33","date_gmt":"2025-06-03T05:12:33","guid":{"rendered":"https:\/\/www.powdergrindingmill.com\/?p=4189"},"modified":"2025-06-04T13:23:19","modified_gmt":"2025-06-04T05:23:19","slug":"the-properties-applications-and-deep-processing-of-silicon-micropowder","status":"publish","type":"post","link":"https:\/\/www.powdergrindingmill.com\/fr\/the-properties-applications-and-deep-processing-of-silicon-micropowder\/","title":{"rendered":"Les propri\u00e9t\u00e9s, applications et traitement approfondi de la micropoudre de silicium"},"content":{"rendered":"<p><a href=\"https:\/\/www.powdergrindingmill.com\/fr\/products\/\">Micropoudre de silicium<\/a> est fabriqu\u00e9 \u00e0 partir de quartz naturel (SiO2) ou de quartz fondu (SiO2 amorphe apr\u00e8s que le quartz naturel a \u00e9t\u00e9 fondu \u00e0 haute temp\u00e9rature et refroidi) par plusieurs processus tels que le concassage, <a href=\"https:\/\/www.powdergrindingmill.com\/fr\/dry-grinding\/ball-mill-and-air-classifier-production-system\/\">broyeur \u00e0 boulets<\/a> (ou <a href=\"https:\/\/www.powdergrindingmill.com\/fr\/dry-grinding\/vibration-mill\/\">vibration<\/a>, <a href=\"https:\/\/www.powdergrindingmill.com\/fr\/dry-grinding\/fluidized-bed-opposed-air-jet-mill\/\">broyeur \u00e0 jet d'air<\/a>), flottation, lavage acide et purification, et traitement de l'eau de haute puret\u00e9.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"750\" height=\"750\" src=\"https:\/\/www.powdergrindingmill.com\/wp-content\/uploads\/2025\/06\/Powdered-quartz.webp\" alt=\"Quartz en poudre\" class=\"wp-image-4190\" srcset=\"https:\/\/www.powdergrindingmill.com\/wp-content\/uploads\/2025\/06\/Powdered-quartz.webp 750w, https:\/\/www.powdergrindingmill.com\/wp-content\/uploads\/2025\/06\/Powdered-quartz-300x300.webp 300w, https:\/\/www.powdergrindingmill.com\/wp-content\/uploads\/2025\/06\/Powdered-quartz-150x150.webp 150w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Performance de la poudre de silice<\/h2>\n\n\n\n<p>En plus de ses propri\u00e9t\u00e9s exceptionnelles telles qu'un faible coefficient de dilatation thermique, d'excellentes propri\u00e9t\u00e9s di\u00e9lectriques, une conductivit\u00e9 thermique \u00e9lev\u00e9e et une bonne performance en suspension, la micropoudre de silicium poss\u00e8de \u00e9galement les propri\u00e9t\u00e9s suivantes :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Bonne isolation<\/strong>: En raison de la haute puret\u00e9 et de la faible teneur en impuret\u00e9s de la micropoudre de silicium, ses performances sont stables, offrant une excellente isolation \u00e9lectrique et une r\u00e9sistance \u00e0 l'arc. Cela garantit que le produit durci poss\u00e8de de bonnes propri\u00e9t\u00e9s d'isolation.<\/li>\n\n\n\n<li><strong>R\u00e9duction de la temp\u00e9rature de pic exothermique de la r\u00e9sine \u00e9poxy<\/strong>: La micropoudre de silicium r\u00e9duit la temp\u00e9rature de pic exothermique de la r\u00e9action de durcissement, diminuant le coefficient de dilatation lin\u00e9aire et le taux de retrait du produit durci, \u00e9liminant ainsi les contraintes internes et emp\u00eachant les fissures.<\/li>\n\n\n\n<li><strong>R\u00e9sistance \u00e0 la corrosion<\/strong>: La micropoudre de silicium est moins susceptible de r\u00e9agir avec d'autres substances. Elle est chimiquement inerte avec la plupart des acides et bases, et ses particules uniform\u00e9ment r\u00e9parties sur les surfaces offrent une forte r\u00e9sistance \u00e0 la corrosion.<\/li>\n\n\n\n<li><strong>Particules bien calibr\u00e9es<\/strong>: Les particules sont bien r\u00e9parties, r\u00e9duisant et \u00e9liminant la pr\u00e9cipitation et la stratification. Cela am\u00e9liore la r\u00e9sistance \u00e0 la traction et \u00e0 la compression, la r\u00e9sistance \u00e0 l'usure, et augmente la conductivit\u00e9 thermique ainsi que la r\u00e9sistance au feu du produit durci.<\/li>\n\n\n\n<li><strong>Traitement par agent de couplage \u00e0 la silane<\/strong>: La micropoudre de silicium trait\u00e9e avec des agents de couplage \u00e0 la silane poss\u00e8de une excellente mouillabilit\u00e9 avec diverses r\u00e9sines, de bonnes propri\u00e9t\u00e9s d'adsorption, et se m\u00e9lange facilement sans agglom\u00e9ration.<\/li>\n\n\n\n<li><strong>R\u00e9duction des co\u00fbts et am\u00e9lioration des performances<\/strong>: Lorsqu'elle est utilis\u00e9e comme charge dans les r\u00e9sines organiques, la micropoudre de silicium am\u00e9liore non seulement les propri\u00e9t\u00e9s du produit durci, mais r\u00e9duit \u00e9galement les co\u00fbts de production.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Classification de la poudre de silice<\/h2>\n\n\n\n<p>La micropoudre de silicium, produite selon diff\u00e9rents proc\u00e9d\u00e9s de fabrication, varie en qualit\u00e9. Elle peut \u00eatre class\u00e9e en quatre types : micropoudre de silice fondue, micropoudre de silice cristalline, micropoudre de silice active, et micropoudre de silice quartz.<\/p>\n\n\n\n<p>D'un point de vue morphologique, il peut \u00eatre divis\u00e9 en micropoudre de silice angulaire et sph\u00e9rique.<\/p>\n\n\n\n<p>La micropoudre de silicium de haute technologie comprend la micropoudre de silice ultrafine, sph\u00e9rique et de haute puret\u00e9.<\/p>\n\n\n\n<p>La micropoudre de silicium utilis\u00e9e dans les cartes en cuivre pour circuits int\u00e9gr\u00e9s peut \u00eatre divis\u00e9e en cinq types : micropoudre de silice cristalline, micropoudre de silice fondue (amorphe), micropoudre de silice sph\u00e9rique, micropoudre de silice composite et micropoudre de silice active.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Application de la poudre de silice<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Rev\u00eatement<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"750\" height=\"605\" src=\"https:\/\/www.powdergrindingmill.com\/wp-content\/uploads\/2025\/06\/Powder-Coatings.webp\" alt=\"Rev\u00eatements en poudre\" class=\"wp-image-4191\" srcset=\"https:\/\/www.powdergrindingmill.com\/wp-content\/uploads\/2025\/06\/Powder-Coatings.webp 750w, https:\/\/www.powdergrindingmill.com\/wp-content\/uploads\/2025\/06\/Powder-Coatings-300x242.webp 300w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/figure>\n\n\n\n<p>Dans l'industrie des rev\u00eatements, la taille des particules de micropoudre de silicium, la blancheur, la duret\u00e9, la suspension, la dispersion, la faible absorption d'huile et la haute r\u00e9sistivit\u00e9 am\u00e9liorent la r\u00e9sistance \u00e0 la corrosion, la r\u00e9sistance \u00e0 l'usure, l'isolation et la performance \u00e0 haute temp\u00e9rature. La micropoudre de silicium utilis\u00e9e dans les rev\u00eatements joue un r\u00f4le important en tant que charge en raison de son excellente stabilit\u00e9. Pour les rev\u00eatements de murs ext\u00e9rieurs, les mat\u00e9riaux SiO2 sont cruciaux pour la r\u00e9sistance aux intemp\u00e9ries.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">plastique<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"525\" src=\"https:\/\/www.powdergrindingmill.com\/wp-content\/uploads\/2025\/06\/plastic.webp\" alt=\"plastique\" class=\"wp-image-4192\" srcset=\"https:\/\/www.powdergrindingmill.com\/wp-content\/uploads\/2025\/06\/plastic.webp 800w, https:\/\/www.powdergrindingmill.com\/wp-content\/uploads\/2025\/06\/plastic-300x197.webp 300w, https:\/\/www.powdergrindingmill.com\/wp-content\/uploads\/2025\/06\/plastic-768x504.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>La micropoudre de silicium peut \u00eatre utilis\u00e9e dans des produits tels que les rev\u00eatements de sol en PVC, le poly\u00e9thyl\u00e8ne, les films en polypropyl\u00e8ne et les mat\u00e9riaux d'isolation \u00e9lectrique.<\/p>\n\n\n\n<p>Les carreaux de sol en PVC remplis de micropoudre de silicium am\u00e9liorent la r\u00e9sistance \u00e0 l'usure. Lorsqu'on utilise de la poudre de quartz de 320 mesh \u00e0 une quantit\u00e9 de remplissage de 160 \u00e0 180 parties, le sol r\u00e9pond \u00e0 la norme GB4085-83, avec une bonne douceur de surface et une r\u00e9sistance aux rayures.<\/p>\n\n\n\n<p>Dans les tuyaux en PVC r\u00e9sistants aux acides, le remplissage avec de la poudre de quartz de 400 mesh \u00e0 10%\u201315% am\u00e9liore la viscosit\u00e9, la fluidit\u00e9 et la performance de traitement, facilitant l'extrusion et le moulage. La r\u00e9sistance aux acides du produit fini est consid\u00e9rablement am\u00e9lior\u00e9e.<\/p>\n\n\n\n<p>La micropoudre de silicium avec une grande surface sp\u00e9cifique (plus de 600 mesh) et une haute activit\u00e9 am\u00e9liore les propri\u00e9t\u00e9s physiques, chimiques et optiques des films agricoles en poly\u00e9thyl\u00e8ne (PE). Le remplissage de polypropyl\u00e8ne am\u00e9liore les propri\u00e9t\u00e9s m\u00e9caniques du produit.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u00c9lectrique et \u00c9lectronique<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"665\" height=\"569\" src=\"https:\/\/www.powdergrindingmill.com\/wp-content\/uploads\/2025\/06\/Electronics-and-Electrical-Components.webp\" alt=\"Composants \u00e9lectroniques et \u00e9lectriques\" class=\"wp-image-4193\" srcset=\"https:\/\/www.powdergrindingmill.com\/wp-content\/uploads\/2025\/06\/Electronics-and-Electrical-Components.webp 665w, https:\/\/www.powdergrindingmill.com\/wp-content\/uploads\/2025\/06\/Electronics-and-Electrical-Components-300x257.webp 300w\" sizes=\"(max-width: 665px) 100vw, 665px\" \/><\/figure>\n\n\n\n<p>La micropoudre de silicium de qualit\u00e9 \u00e9lectrique est principalement utilis\u00e9e dans la coul\u00e9e d'isolation pour les composants \u00e9lectriques ordinaires, l'isolation \u00e9lectrique haute tension, les mat\u00e9riaux d'injection du proc\u00e9d\u00e9 APG, les encapsulants \u00e9poxy et les gla\u00e7ures en c\u00e9ramique de haute qualit\u00e9. La micropoudre de silicium de qualit\u00e9 \u00e9lectronique est principalement utilis\u00e9e dans les mat\u00e9riaux d'encapsulation plastique et les mat\u00e9riaux d'emballage pour circuits int\u00e9gr\u00e9s et composants \u00e9lectroniques.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Traitement approfondi de la poudre de silicium<\/h2>\n\n\n\n<p>Le sable de quartz apr\u00e8s flottation\u2014broyage ultrafin (broyage \u00e0 sec ou humide)\u2014proc\u00e9d\u00e9 combin\u00e9 de lavage\u2014s\u00e9paration magn\u00e9tique \u00e0 gradient \u00e9lev\u00e9\u2014s\u00e9paration \u00e9lectrostatique\u2014lavage \u00e0 l'eau d\u00e9ionis\u00e9e\u2014classification.<\/p>\n\n\n\n<p><strong>Broyage ultrafin (broyage \u00e0 sec ou humide) :<\/strong> Ce proc\u00e9d\u00e9 consiste \u00e0 broyer le sable de quartz en micropoudre de silice ultrafine avec une taille de particules de 325-4000 mesh, avec ou sans eau.<\/p>\n\n\n\n<p><strong>Classification :<\/strong> Sous l'action d'un hydrocyclone, la micropoudre de silice ultrafine (325-4000 mesh) est class\u00e9e en plages standard telles que 325-400 mesh, 400-500 mesh, etc.<\/p>\n\n\n\n<p><strong>Lavage en co-processus :<\/strong> Diff\u00e9rents grades de micropoudre de silice ultrafine sont plac\u00e9s dans un r\u00e9cipient de r\u00e9action \u00e0 temp\u00e9rature contr\u00f4l\u00e9e \u00e0 diff\u00e9rentes couches. Une certaine quantit\u00e9 d'acide oxalique ou d'acide citrique et une petite quantit\u00e9 d'agents auxiliaires sont ajout\u00e9s. La r\u00e9action se d\u00e9roule \u00e0 70\u00b0C\u2013100\u00b0C pendant 2 \u00e0 8 heures. Apr\u00e8s la r\u00e9action, les impuret\u00e9s m\u00e9talliques et non m\u00e9talliques en traces nuisibles sont \u00e9limin\u00e9es.<\/p>\n\n\n\n<p><strong>S\u00e9paration par magn\u00e9tisme \u00e0 gradient \u00e9lev\u00e9 :<\/strong>Ce proc\u00e9d\u00e9 utilise un \u00e9quipement de s\u00e9paration magn\u00e9tique avec une force magn\u00e9tique de 50-15000 Gauss pour \u00e9liminer les impuret\u00e9s de fer en traces de la micropoudre de silice ultrafine.<\/p>\n\n\n\n<p><strong>S\u00e9paration \u00e9lectrostatique : <\/strong>Le but est d\u2019\u00e9liminer les impuret\u00e9s nocives traces pr\u00e9sentes dans la micropoudre de silicium ultrafine.<\/p>\n\n\n\n<p><strong>Lavage \u00e0 l\u2019eau d\u00e9ionis\u00e9e :<\/strong> Apr\u00e8s le lavage en co-process, les agents chimiques et les impuret\u00e9s nocives traces restantes \u00e0 la surface de la micropoudre de silicium sont \u00e9limin\u00e9s dans une salle blanche \u00e0 l\u2019aide d\u2019eau d\u00e9ionis\u00e9e.<\/p>\n\n\n\n<p><strong>S\u00e9chage sp\u00e9cial :<\/strong> Apr\u00e8s le lavage \u00e0 l\u2019eau d\u00e9ionis\u00e9e, la micropoudre de silicium ultrafine est plac\u00e9e dans une machine de s\u00e9chage sp\u00e9ciale en salle blanche pour s\u00e9cher. Ce processus produit une micropoudre de silicium ultrafine de haute puret\u00e9 de diff\u00e9rentes grades (maille 325-4000) avec une teneur en humidit\u00e9 de 0,003-0,01%.<\/p>\n\n\n\n<p><strong>Emballage sous vide : <\/strong>Les diff\u00e9rentes grades de micropoudre de silicium ultrafine sont emball\u00e9es sous vide s\u00e9par\u00e9ment pour \u00e9viter la contamination par l\u2019air.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Modification de surface de la poudre de silice<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"749\" src=\"https:\/\/www.powdergrindingmill.com\/wp-content\/uploads\/2025\/06\/Coating-machine-1.webp\" alt=\"Machine de rev\u00eatement\" class=\"wp-image-4200\" srcset=\"https:\/\/www.powdergrindingmill.com\/wp-content\/uploads\/2025\/06\/Coating-machine-1.webp 750w, https:\/\/www.powdergrindingmill.com\/wp-content\/uploads\/2025\/06\/Coating-machine-1-300x300.webp 300w, https:\/\/www.powdergrindingmill.com\/wp-content\/uploads\/2025\/06\/Coating-machine-1-150x150.webp 150w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/figure>\n\n\n\n<p>En raison de la faible compatibilit\u00e9 entre les charges min\u00e9rales non m\u00e9talliques et la matrice polym\u00e8re, elles sont difficiles \u00e0 disperser uniform\u00e9ment. Le remplissage direct entra\u00eene souvent une baisse de certaines propri\u00e9t\u00e9s m\u00e9caniques du mat\u00e9riau. Pour les charges min\u00e9rales inorganiques fonctionnelles, en plus de la taille et de la distribution des particules, une bonne compatibilit\u00e9 avec la matrice polym\u00e8re est n\u00e9cessaire. Le remplissage r\u00e9duit non seulement les co\u00fbts mais am\u00e9liore \u00e9galement les propri\u00e9t\u00e9s m\u00e9caniques et la performance globale du mat\u00e9riau. Par cons\u00e9quent, la modification de surface des charges min\u00e9rales non m\u00e9talliques est essentielle.<\/p>\n\n\n\n<p>Micropoudre de silicium <a href=\"https:\/\/www.powdergrindingmill.com\/fr\/powder-coating-surface-modification\/\">la modification de surface<\/a> Utilise principalement des agents de couplage \u00e0 base de silane avec la formule g\u00e9n\u00e9rale R\u2014SiX3. R repr\u00e9sente un groupe hydrophobe organique, tel que vinyl, \u00e9poxy, amino, m\u00e9thacrylate ou groupes sulfate. X repr\u00e9sente des groupes alkoxy hydrolysables, tels que m\u00e9thoxy, \u00e9thoxy ou chlore. Les principaux facteurs influen\u00e7ant l\u2019effet de la modification incluent le type de silane, la dose, la m\u00e9thode d\u2019application, le temps de traitement, la temp\u00e9rature et le pH.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u00c9quipement de traitement de la poudre de silicium<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Production de poudre de silice angulaire<\/h3>\n\n\n\n<p>La poudre de silicium angulaire est une poudre de silicium avec des formes irr\u00e9guli\u00e8res et angulaires obtenues par broyage des mati\u00e8res premi\u00e8res de poudre de silicium.<br>Les principaux \u00e9quipements de production pour la micropoudre de silicium angulaire comprennent <a href=\"https:\/\/www.powdergrindingmill.com\/fr\/astra-portfolio\/a-ball-milling-and-modification-production-line-in-a-calcium-carbonate-factory-in-iran\/\">moulins \u00e0 billes<\/a>, broyeurs \u00e0 vibration, classificateurs de micropoudre et s\u00e9cheurs<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"750\" src=\"https:\/\/www.powdergrindingmill.com\/wp-content\/uploads\/2025\/06\/ball-mill-for-ulrafine-powder.webp\" alt=\"Broyeur \u00e0 boulets pour poudre ultrafine\" class=\"wp-image-4195\" srcset=\"https:\/\/www.powdergrindingmill.com\/wp-content\/uploads\/2025\/06\/ball-mill-for-ulrafine-powder.webp 750w, https:\/\/www.powdergrindingmill.com\/wp-content\/uploads\/2025\/06\/ball-mill-for-ulrafine-powder-300x300.webp 300w, https:\/\/www.powdergrindingmill.com\/wp-content\/uploads\/2025\/06\/ball-mill-for-ulrafine-powder-150x150.webp 150w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/figure>\n\n\n\n<p>Broyeur \u00e0 boulets : Il peut \u00eatre utilis\u00e9 pour le broyage \u00e0 sec ou humide. Lors du fonctionnement du broyeur \u00e0 boulets, le m\u00e9dia de broyage et la mati\u00e8re sont lev\u00e9s \u00e0 une certaine hauteur puis tombent. Ce processus est r\u00e9p\u00e9t\u00e9, provoquant l\u2019impact et le broyage de la mati\u00e8re entre le m\u00e9dia de broyage et la paroi du broyeur.<\/p>\n\n\n\n<p>Broyeur \u00e0 vibration : Ce broyeur utilise la vibration du m\u00e9dia de broyage pour glisser et rouler \u00e0 l\u2019int\u00e9rieur de la chambre du broyeur, broyant la mati\u00e8re.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"562\" src=\"https:\/\/www.powdergrindingmill.com\/wp-content\/uploads\/2025\/06\/Vibration-mill.webp\" alt=\"Broyeur \u00e0 vibration\" class=\"wp-image-4196\" srcset=\"https:\/\/www.powdergrindingmill.com\/wp-content\/uploads\/2025\/06\/Vibration-mill.webp 750w, https:\/\/www.powdergrindingmill.com\/wp-content\/uploads\/2025\/06\/Vibration-mill-300x225.webp 300w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/figure>\n\n\n\n<p><a href=\"https:\/\/www.powdergrindingmill.com\/fr\/classifying-separating\/air-classifier\/\">Classificateur d'air<\/a>: Les mat\u00e9riaux sont aspir\u00e9s dans la chambre de classification par un ventilateur. Ils sont class\u00e9s entre un rotor \u00e0 haute vitesse en rotation et des pales de classificateur. Les mat\u00e9riaux grossiers sortent par la sortie inf\u00e9rieure, tandis que les poudres fines sortent par la sortie sup\u00e9rieure.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"750\" src=\"https:\/\/www.powdergrindingmill.com\/wp-content\/uploads\/2025\/06\/air-classifier.webp\" alt=\"classificateur d&#039;air\" class=\"wp-image-4197\" srcset=\"https:\/\/www.powdergrindingmill.com\/wp-content\/uploads\/2025\/06\/air-classifier.webp 750w, https:\/\/www.powdergrindingmill.com\/wp-content\/uploads\/2025\/06\/air-classifier-300x300.webp 300w, https:\/\/www.powdergrindingmill.com\/wp-content\/uploads\/2025\/06\/air-classifier-150x150.webp 150w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/figure>\n\n\n\n<p>S\u00e8cheur : Pour assurer une teneur en humidit\u00e9 extr\u00eamement faible de la micropoudre de silicium et \u00e9viter la contamination lors du s\u00e9chage, un s\u00e8cheur \u00e0 agitation \u00e0 arbre creux est utilis\u00e9. Les mat\u00e9riaux entrent par l\u2019entr\u00e9e d\u2019alimentation et sont transport\u00e9s par des pales creuses jusqu\u2019\u00e0 la sortie de d\u00e9charge. La mati\u00e8re est agit\u00e9e par les pales et chauff\u00e9e par la veste pour \u00e9vaporer l\u2019humidit\u00e9 et s\u00e9cher la mati\u00e8re.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Processus de silice en poudre d'Angular<\/h3>\n\n\n\n<p>Processus de broyage \u00e0 sec : Les mati\u00e8res premi\u00e8res en micro-poudre de silicium sont plac\u00e9es dans un broyeur \u00e0 boulets ou un broyeur \u00e0 vibration. Le broyage peut \u00eatre continu ou par lots. Les mat\u00e9riaux grossiers retournent au broyeur pour un broyage suppl\u00e9mentaire. Un classificateur \u00e0 air contr\u00f4le la taille des particules. La teneur en humidit\u00e9 doit \u00eatre contr\u00f4l\u00e9e dans la mati\u00e8re premi\u00e8re. Le produit ne n\u00e9cessite pas de s\u00e9chage suppl\u00e9mentaire apr\u00e8s le broyage.<\/p>\n\n\n\n<p>Processus de broyage humide : Les mati\u00e8res premi\u00e8res sont ajout\u00e9es au broyeur \u00e0 boulets avec de l'eau. La concentration de la boue est de 65%-80%. Apr\u00e8s plusieurs heures, la boue est d\u00e9charg\u00e9e et d\u00e9shydrat\u00e9e par filtration ou d\u00e9cantation. Le g\u00e2teau humide est cass\u00e9, dispers\u00e9, puis aliment\u00e9 dans une machine de s\u00e9chage \u00e0 arbre creux. Le processus de s\u00e9chage produit le produit final.<\/p>\n\n\n\n<p>Des m\u00e9dias de broyage avec des diam\u00e8tres sp\u00e9cifiques sont ajout\u00e9s au broyeur. Le diam\u00e8tre et le ratio des m\u00e9dias d\u00e9pendent de la taille d'alimentation. Le temps de broyage varie en fonction des exigences de taille des particules. Les m\u00e9dias de broyage doivent \u00eatre non m\u00e9talliques, comme l'alumine ou la silice. Le cylindre du broyeur est rev\u00eatu de mat\u00e9riaux r\u00e9sistants \u00e0 l'usure tels que la c\u00e9ramique en alumine, la silice ou le caoutchouc en polyur\u00e9thane.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p>La micropoudre de silicium poss\u00e8de une gamme de propri\u00e9t\u00e9s exceptionnelles, notamment une haute puret\u00e9, une excellente isolation et une r\u00e9sistance m\u00e9canique am\u00e9lior\u00e9e. Ses applications polyvalentes couvrent divers secteurs, tels que l'\u00e9lectronique, les rev\u00eatements, les plastiques et les produits pharmaceutiques. Gr\u00e2ce \u00e0 des techniques de traitement avanc\u00e9es comme la modification de surface et le contr\u00f4le de la taille des particules, la fonctionnalit\u00e9 de la micropoudre de silicium peut \u00eatre adapt\u00e9e pour r\u00e9pondre aux besoins sp\u00e9cifiques de l'industrie, \u00e9largissant ainsi son potentiel dans les mat\u00e9riaux et produits haute performance. \u00c0 mesure que la technologie \u00e9volue, la micropoudre de silicium est appel\u00e9e \u00e0 jouer un r\u00f4le de plus en plus important dans de nombreuses applications de pointe.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">poudre \u00e9pique<\/h2>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"Comment fonctionne le syst\u00e8me de production avec broyeur \u00e0 billes et classificateur d&#039;air - \u00c9quipements Epic Powder\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/lwCDVDcxzn8?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p>Epic Powder, plus de 20 ans d'exp\u00e9rience dans l'industrie des poudres ultrafines. Promouvoir activement le d\u00e9veloppement futur de la poudre ultrafine, en se concentrant sur le broyage, la classification et le processus de modification de la poudre ultrafine. Contactez-nous pour une consultation gratuite et des solutions personnalis\u00e9es ! Notre \u00e9quipe d'experts s'engage \u00e0 fournir des produits et services de haute qualit\u00e9 pour maximiser la valeur de votre traitement de poudre. Epic Powder\u2014Votre expert de confiance en traitement de poudre !<\/p>\n\n\n\n<div class=\"wp-block-contact-form-7-contact-form-selector\">\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f8-o1\" lang=\"zh-CN\" dir=\"ltr\" data-wpcf7-id=\"8\">\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\/4189#wpcf7-f8-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"Formulaire de message\" novalidate=\"novalidate\" data-status=\"init\" data-trp-original-action=\"\/fr\/wp-json\/wp\/v2\/posts\/4189#wpcf7-f8-o1\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"8\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.3\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"zh_CN\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f8-o1\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" 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kc_captcha\" data-name=\"kc_captcha\"><span class=\"wpcf7-form-control wpcf7-radio\"><span class=\"captcha-image\" ><span class=\"cf7ic_instructions\">Veuillez prouver que vous \u00eates humain en s\u00e9lectionnant le<span> tasse<\/span>\u3002<\/span><label><input aria-label=\"1\" type=\"radio\" name=\"kc_captcha\" value=\"bot\" \/><svg aria-hidden=\"true\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 576 512\"><path fill=\"currentColor\" d=\"M488 313v143c0 13-11 24-24 24H348c-7 0-12-5-12-12V356c0-7-5-12-12-12h-72c-7 0-12 5-12 12v112c0 7-5 12-12 12H112c-13 0-24-11-24-24V313c0-4 2-7 4-10l188-154c5-4 11-4 16 0l188 154c2 3 4 6 4 10zm84-61l-84-69V44c0-6-5-12-12-12h-56c-7 0-12 6-12 12v73l-89-74a48 48 0 00-61 0L4 252c-5 4-5 12-1 17l25 31c5 5 12 5 17 1l235-193c5-4 11-4 16 0l235 193c5 5 13 4 17-1l25-31c4-6 4-13-1-17z\"\/><\/svg><\/label><label><input aria-label=\"2\" type=\"radio\" name=\"kc_captcha\" value=\"bot\" \/><svg aria-hidden=\"true\" role=\"img\" 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11 64-36 64z\"\/><\/svg><\/label>\r\n    <\/span>\r\n    <span style=\"display:none\">\r\n        <input type=\"text\" name=\"kc_honeypot\">\r\n    <\/span><\/span><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div class=\"batton\">\n\t\t<p><input class=\"wpcf7-form-control wpcf7-submit has-spinner\" type=\"submit\" value=\"Soumettre\" \/>\n\t\t<\/p>\n\t<\/div>\n<\/div>\n<style>\n.yanzheng{color:#fff}\n.wpcf7-response-output{color:#fff}\n.keen-form div{margin-bottom:0px;}\n.keen-form div p{margin-bottom:0px !important;}\n.one-half,.one-third {\n position: relative;\n margin-right: 4%;\n float: left;\n z-index: 99;\n}\n.one-half { width: 48%; }\n.one-third { width: 30.66%; }\n.last {\n margin-right: 0 !important;\n clear: right;\n}\n.batton { margin-top:2%\n}\n@media only screen and (max-width: 767px) {\n .one-half, .one-third {\n width: 100%;\n margin-right: 0;\n }\n}\n<\/style><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<input type=\"hidden\" name=\"trp-form-language\" value=\"fr\"\/><\/form>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>La micropoudre de silicium est fabriqu\u00e9e \u00e0 partir de quartz naturel (SiO2) ou de quartz fondu (SiO2 amorphe apr\u00e8s fusion du quartz naturel \u00e0 haute temp\u00e9rature et refroidissement) par plusieurs<\/p>","protected":false},"author":1,"featured_media":4199,"comment_status":"closed","ping_status":"open","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":"","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":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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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-4189","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.2 (Yoast SEO v26.2) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>The Properties, Applications, and Deep Processing of Silicon Micropowder<\/title>\n<meta name=\"description\" content=\"Silicon micropowder is made from natural quartz (SiO2) or fused quartz through multiple processes such as crushing, ball milling etc\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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