{"id":6690,"date":"2021-04-04T14:56:18","date_gmt":"2021-04-04T14:56:18","guid":{"rendered":"https:\/\/www.aluminaceramicball.com\/?p=6690"},"modified":"2021-04-12T06:39:08","modified_gmt":"2021-04-12T06:39:08","slug":"comment-utiliser-des-billes-de-broyage-a-haute-teneur-en-aluminium-dans-lindustrie-du-ciment","status":"publish","type":"post","link":"https:\/\/www.aluminaceramicball.com\/fr\/comment-utiliser-des-billes-de-broyage-a-haute-teneur-en-aluminium-dans-lindustrie-du-ciment\/","title":{"rendered":"Comment utiliser les billes de broyage \u00e0 haute teneur en aluminium dans l'industrie du ciment ?"},"content":{"rendered":"<p>En raison de son excellente r\u00e9sistance \u00e0 l'usure et \u00e0 la corrosion, de sa grande r\u00e9sistance m\u00e9canique, de sa grande efficacit\u00e9 de broyage et d'autres caract\u00e9ristiques, <a href=\"https:\/\/www.aluminaceramicball.com\/fr\/quelles-sont-les-caracteristiques-des-billes-dalumine\/\">billes d'alumine<\/a> dans les milieux de broyage de l'industrie du ciment sont largement utilis\u00e9s dans la pr\u00e9paration des \u00e9bauches et des gla\u00e7ures dans l'industrie de la c\u00e9ramique et dans l'\u00e9lectronique, les produits chimiques, la m\u00e9tallurgie, les mines de charbon, etc. La production de poudres ultrafines dans l'industrie. La r\u00e9sistance \u00e0 l'usure est un indicateur important pour mesurer la qualit\u00e9 des boulets de broyage du ciment. Comment am\u00e9liorer la r\u00e9sistance \u00e0 l'usure des billes d'alumine pour ciment ?<\/p>\n<p>1. La mati\u00e8re premi\u00e8re Al2O3 est tr\u00e8s importante en tant que mati\u00e8re premi\u00e8re de <a href=\"https:\/\/www.aluminaceramicball.com\/fr\/la-difference-entre-les-billes-dalumine-activee-et-les-billes-de-haute-alumine\/\">boule d'alumine<\/a> dans le ciment. La morphologie et la taille des particules affectent la qualit\u00e9 des billes d'alumine du ciment. Les particules \u00e0 surface rugueuse ont une surface sp\u00e9cifique ou une \u00e9nergie de surface relativement importante, de sorte que leur force motrice de frittage est grande, qu'elles sont faciles \u00e0 fritter, que la densit\u00e9 de frittage est grande et que les pores sont petits et peu nombreux. Les particules granulaires \u00e0 surface lisse ont une surface sp\u00e9cifique ou une \u00e9nergie de surface relativement faible, de sorte que leur force motrice de frittage est faible et qu'il n'est pas facile de les fritter. La densit\u00e9 de frittage des c\u00e9ramiques est relativement faible et les cavit\u00e9s sont grandes. Par rapport aux particules granulaires, les particules en forme de plaque ont une surface sp\u00e9cifique plus grande, une force motrice de frittage plus importante et sont faciles \u00e0 fritter. La densit\u00e9 de frittage des billes d'alumine est plus \u00e9lev\u00e9e. Par rapport au corps vert compos\u00e9 de petits agglom\u00e9rats durs et de corps non agglom\u00e9r\u00e9s, la porosit\u00e9 est plus \u00e9lev\u00e9e, la densit\u00e9 du corps vert est plus faible, la densit\u00e9 des billes d'alumine est \u00e9galement plus faible, et la densit\u00e9 fritt\u00e9e des c\u00e9ramiques est plus faible. Lorsque la taille des grains est relativement petite, le m\u00e9canisme d'usure est principalement une d\u00e9formation plastique et une fracture transgranulaire partielle, ce qui entra\u00eene une l\u00e9g\u00e8re usure. Lorsque les grains de cristal sont relativement grossiers, le principal m\u00e9canisme d'usure est l'apparition d'une fracture des joints de grains, ce qui entra\u00eene une usure importante. Par cons\u00e9quent, plus les grains de cristal sont petits, meilleure est la r\u00e9sistance \u00e0 l'usure de la c\u00e9ramique. En outre, par rapport aux grosses particules, les petites particules ont une surface sp\u00e9cifique ou une \u00e9nergie de surface relativement importante, de sorte que leur force motrice de frittage est grande, la temp\u00e9rature de frittage est basse et la densit\u00e9 de frittage est plus \u00e9lev\u00e9e.<\/p>\n<p>2. Adjuvant de frittage Un adjuvant de frittage appropri\u00e9 r\u00e9duit la temp\u00e9rature de frittage, am\u00e9liore la microstructure de la c\u00e9ramique, les propri\u00e9t\u00e9s m\u00e9caniques et, par cons\u00e9quent, la r\u00e9sistance \u00e0 l'usure de la bille en ciment-alumine. La qualit\u00e9 de l'adjuvant de frittage comprend la quantit\u00e9, la composition des phases, la composition chimique et la finesse. L'utilisation d'adjuvants de frittage qui \u00e9mettent des gaz et changent de phase \u00e0 haute temp\u00e9rature doit \u00eatre \u00e9vit\u00e9e autant que possible, afin d'\u00e9viter de nouveaux d\u00e9fauts, qui affecteront la densification et le taux de qualification des billes d'alumine de ciment et r\u00e9duiront la comp\u00e9titivit\u00e9 des produits.<\/p>\n<p>3. Le moulage adopte la technologie du moulage par pression isostatique pour surmonter les d\u00e9fauts des autres m\u00e9thodes de moulage, tels que les creux, les couches, les faibles densit\u00e9s et les densit\u00e9s in\u00e9gales. La taille des particules, la forme et les additifs des mati\u00e8res premi\u00e8res affectent le pressage isostatique. La pression de moulage et le temps de maintien affectent la densit\u00e9, le taux de retrait de frittage et la temp\u00e9rature de frittage du corps vert. Il est donc n\u00e9cessaire d'utiliser des mati\u00e8res premi\u00e8res appropri\u00e9es et une technologie de moulage scientifique pour garantir que le corps vert pr\u00e9sente de bonnes caract\u00e9ristiques de frittage.<\/p>\n<p>4. Syst\u00e8me de frittage. Une temp\u00e9rature de frittage excessive et un temps de maintien prolong\u00e9 favorisent la croissance des cristaux d'Al2O3 et augmentent la quantit\u00e9 de phase liquide. Cela ne r\u00e9duira pas seulement la r\u00e9sistance du ciment <a href=\"https:\/\/www.aluminaceramicball.com\/fr\/comment-choisir-la-taille-la-quantite-de-remplissage-et-le-rapport-des-billes-de-broyage-en-ceramique-dalumine\/\">boule de broyage<\/a>mais aussi affaiblir la r\u00e9sistance \u00e0 l'usure. Bien entendu, si la temp\u00e9rature est trop basse et que la densit\u00e9 de frittage diminue, la r\u00e9sistance \u00e0 l'usure du ciment est moindre. <a href=\"\/fr\/produit\/boule-de-broyage-en-alumine\/\" target=\"_blank\" rel=\"noopener\">boule d'alumine<\/a> diminuera \u00e9galement. L'utilisation de la technologie de combustion rapide \u00e0 basse temp\u00e9rature permet d'obtenir des avantages significatifs en termes d'\u00e9conomie d'\u00e9nergie, tout en inhibant la croissance des grains des boulets de broyage du ciment, ce qui permet d'am\u00e9liorer la r\u00e9sistance et la t\u00e9nacit\u00e9 du produit, am\u00e9liorant ainsi la r\u00e9sistance \u00e0 l'usure des boulets de broyage. Retourner \u00e0 Sohu pour en savoir plus<\/p>","protected":false},"excerpt":{"rendered":"<p>Because of its excellent wear resistance, corrosion resistance, high mechanical strength, high grinding efficiency and other characteristics, alumina balls in the grinding media of the cement industry are widely used in the preparation of blanks and glazes in the ceramic industry and in electronics, chemicals, metallurgy, coal mines, etc. Industry&#8217;s ultra-fine powder production. Wear resistance [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_templately_pack_id":"","_templately_imported_at":"","_templately_source":"","_templately_import_session_id":"","site-sidebar-layout":"default","site-content-layout":"default","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":"default","adv-header-id-meta":"","stick-header-meta":"default","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 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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":[136],"tags":[463],"class_list":["post-6690","post","type-post","status-publish","format-standard","hentry","category-alumina-ball","tag-alumina-ceramic-ball-tech-service"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to use high aluminum grinding balls in the cement industry | Alumina Ceramic Products Manufacturer<\/title>\n<meta name=\"description\" content=\"How to use high aluminum grinding balls in the cement industry, Know more About Knowledge for Tabular Alumina, Alumina Grinding Ball, Alumina Ceramic Grinding Column, Alumina Ceramic Lined Pipe, Alumina Ceramic Powder, Alumina ceramic lining Bricks, Alumina Ceramic Mosaic Tile, Alumina ceramic Plate, High Alumina 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broyage \u00e0 haute teneur en aluminium dans l'industrie du ciment, en savoir plus sur les connaissances relatives \u00e0 l'alumine tabulaire, aux billes de broyage en alumine, aux colonnes de broyage en c\u00e9ramique d'alumine, aux tuyaux rev\u00eatus de c\u00e9ramique d'alumine, \u00e0 la poudre de c\u00e9ramique d'alumine, aux briques de rev\u00eatement en c\u00e9ramique d'alumine, aux carreaux de mosa\u00efque en c\u00e9ramique d'alumine, aux plaques en c\u00e9ramique d'alumine, aux billes de c\u00e9ramique \u00e0 haute teneur en alumine pour le broyage humide.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.aluminaceramicball.com\/fr\/comment-utiliser-des-billes-de-broyage-a-haute-teneur-en-aluminium-dans-lindustrie-du-ciment\/","og_locale":"fr_FR","og_type":"article","og_title":"How to use high aluminum grinding balls in the cement 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