{"id":6737,"date":"2021-04-04T16:25:41","date_gmt":"2021-04-04T16:25:41","guid":{"rendered":"https:\/\/www.aluminaceramicball.com\/?p=6737"},"modified":"2021-04-15T07:28:40","modified_gmt":"2021-04-15T07:28:40","slug":"le-cylindre-du-broyeur-a-charbon-a-vitesse-moyenne-est-revetu-de-ceramiques-resistantes-a-lusure-qui-peuvent-resister-a-labrasion-et-a-limpact","status":"publish","type":"post","link":"https:\/\/www.aluminaceramicball.com\/fr\/le-cylindre-du-broyeur-a-charbon-a-vitesse-moyenne-est-revetu-de-ceramiques-resistantes-a-lusure-qui-peuvent-resister-a-labrasion-et-a-limpact\/","title":{"rendered":"Le cylindre du broyeur \u00e0 charbon \u00e0 vitesse moyenne est rev\u00eatu de c\u00e9ramiques r\u00e9sistantes \u00e0 l'usure, qui peuvent r\u00e9sister \u00e0 l'abrasion et aux chocs."},"content":{"rendered":"

Le broyeur \u00e0 charbon \u00e0 vitesse moyenne est un broyeur \u00e0 charbon dont la vitesse de travail est comprise entre 50 et 300 tr\/min. Il s'agit d'un \u00e9quipement professionnel pour la pr\u00e9paration des mat\u00e9riaux auxiliaires de fabrication de fonte de haut fourneau. Le broyeur \u00e0 charbon \u00e0 vitesse moyenne peut fournir des mat\u00e9riaux auxiliaires appropri\u00e9s - la poudre de charbon - pour le syst\u00e8me de fabrication de la fonte dans le haut fourneau. Le broyeur \u00e0 charbon \u00e0 vitesse moyenne est l'\u00e9quipement \u00e0 grande \u00e9chelle le plus important du syst\u00e8me de pulv\u00e9risation du charbon en liquide. Sa s\u00e9curit\u00e9 de fonctionnement et sa rentabilit\u00e9 sont tr\u00e8s importantes pour le fonctionnement normal du syst\u00e8me de transformation du charbon en liquide. En g\u00e9n\u00e9ral, la temp\u00e9rature de sortie du broyeur \u00e0 charbon \u00e0 vitesse moyenne est contr\u00f4l\u00e9e entre 100 et 120 degr\u00e9s Celsius.<\/p>\n

Le mat\u00e9riau trait\u00e9 par le cylindre du broyeur \u00e0 vitesse moyenne est constitu\u00e9 de particules de tailles et de duret\u00e9s diverses. Ces mat\u00e9riaux se d\u00e9placent \u00e0 l'int\u00e9rieur du broyeur \u00e0 moyenne vitesse, provoquant constamment des frottements, des frottements et des impacts sur les diff\u00e9rentes parties du broyeur \u00e0 moyenne vitesse. C'est in\u00e9vitable. Les raisons de l'usure du corps du broyeur \u00e0 vitesse moyenne sont complexes. Il y a l'usure abrasive caus\u00e9e par le glissement des mat\u00e9riaux \u00e0 gros grains, l'\u00e9rosion \u00e9olienne caus\u00e9e par le d\u00e9capage \u00e0 grande vitesse des gaz \u00e0 forte concentration de poussi\u00e8re, et les mat\u00e9riaux \u00e0 gros grains ou m\u00eame l'\u00e9crasement par le broyeur. L'usure par impact caus\u00e9e par l'impact \u00e0 grande vitesse de corps abrasifs et d'autres objets \u00e9trangers.<\/p>\n

Le c\u00e9ramique r\u00e9sistante \u00e0 l'usure<\/a> La t\u00f4le de rev\u00eatement du cylindre du broyeur \u00e0 charbon est utilis\u00e9e pour prot\u00e9ger le cylindre de l'impact direct et de la friction du corps de broyage et du mat\u00e9riau. En m\u00eame temps, diff\u00e9rentes formes de rev\u00eatement peuvent \u00eatre utilis\u00e9es pour ajuster le mouvement du corps de broyage afin d'am\u00e9liorer le broyage. L'effet de broyage du corps sur le mat\u00e9riau permet d'am\u00e9liorer l'efficacit\u00e9 du broyage, d'augmenter le rendement et de r\u00e9duire la consommation de m\u00e9tal. Les types conventionnels de plaques de rev\u00eatement de broyeurs \u00e0 charbon comprennent des plaques c\u00e9ramiques r\u00e9sistantes \u00e0 l'usure et des plaques c\u00e9ramiques soud\u00e9es r\u00e9sistantes \u00e0 l'usure. Dans la zone situ\u00e9e \u00e0 moins de 2 m\u00e8tres au-dessus du disque de broyage, non seulement l'\u00e9rosion est grave, mais il y a aussi l'impact de grosses particules. Le traitement anti-usure traditionnel ne permet pas d'obtenir de bons r\u00e9sultats. Les plaques ciment\u00e9es rev\u00eatement en c\u00e9ramique r\u00e9sistant \u00e0 l'usure<\/a> peut \u00eatre install\u00e9 dans une zone situ\u00e9e \u00e0 2 m\u00e8tres au-dessus du disque de broyage. Le produit est fabriqu\u00e9 selon un processus unique et pr\u00e9sente les caract\u00e9ristiques d'une grande duret\u00e9 et d'une grande r\u00e9sistance. La double fixation par vis est particuli\u00e8rement adapt\u00e9e aux endroits o\u00f9 la temp\u00e9rature est \u00e9lev\u00e9e et o\u00f9 il y a un certain impact.<\/p>\n

Il existe deux m\u00e9thodes d'assemblage optionnelles pour le feuille de c\u00e9ramique r\u00e9sistante \u00e0 l'usure<\/a> Le cylindre du broyeur \u00e0 charbon peut \u00eatre install\u00e9 sur place, ce qui n\u00e9cessite que le cylindre soit relativement plat et sans asp\u00e9rit\u00e9s ; l'autre consiste \u00e0 installer la c\u00e9ramique sur la plaque d'acier incurv\u00e9e en usine, puis \u00e0 la souder \u00e0 la paroi du cylindre. Au fond du cylindre du broyeur \u00e0 charbon \u00e0 vitesse moyenne, l'impact des grosses particules projet\u00e9es par l'\u00e9crasement du cylindre de broyage et l'\u00e9rosion de la poudre \u00e0 haute temp\u00e9rature et \u00e0 haute concentration la plus proche de l'anneau statique sont tr\u00e8s graves. Pour la zone de 500 mm \u00e0 1500 mm de haut au bas du cylindre de broyage, le rev\u00eatement composite en c\u00e9ramique r\u00e9sistant \u00e0 l'usure est utilis\u00e9 dans des conditions de fonctionnement caract\u00e9ris\u00e9es par de grosses particules de mat\u00e9riau, une temp\u00e9rature \u00e9lev\u00e9e, une vitesse de vent rapide, une forte abrasion et un impact important. En fixant les c\u00e9ramiques \u00e0 la plaque d'acier incurv\u00e9e, l'espacement des c\u00e9ramiques est nul, la paroi int\u00e9rieure est lisse et la dur\u00e9e de vie est environ 10 fois plus longue.<\/p>","protected":false},"excerpt":{"rendered":"

The medium-speed coal mill refers to a coal mill with a working speed of 50-300r\/min. It is a professional equipment for the preparation of blast furnace ironmaking auxiliary materials. The medium-speed coal mill can provide suitable auxiliary material-coal powder for the blast furnace ironmaking system. The medium-speed coal mill is the most important large-scale equipment […]<\/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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