{"id":3148,"count":0,"description":"Les fours rotatifs sont utilis\u00e9s pour des applications vari\u00e9es telles que le s\u00e9chage, le calcinage, le frittage, ainsi que les processus de combustion et d\u2019agglom\u00e9ration au sein de divers secteurs\u00a0: fer et acier, ciment, cokerie, granulats et autres industries de transformation des min\u00e9raux. Les fours rotatifs se composent d\u2019une enveloppe ext\u00e9rieure cylindrique en t\u00f4le en acier au carbone lamin\u00e9e, dot\u00e9e de bandages en acier moul\u00e9 prenant appui sur des galets, et sont g\u00e9n\u00e9ralement entra\u00een\u00e9s par un dispositif \u00e0 couronne d\u2019entra\u00eenement et pignon. L\u2019int\u00e9rieur de l\u2019enveloppe est g\u00e9n\u00e9ralement doubl\u00e9 d\u2019un mat\u00e9riau r\u00e9fractaire pour le prot\u00e9ger contre les dommages thermiques tout en \u00e9vitant la d\u00e9perdition de chaleur.\r\n\r\nLa temp\u00e9rature des flammes \u00e0 l\u2019int\u00e9rieur d\u2019un four rotatif utilis\u00e9 dans l\u2019industrie du ciment peut approcher les 2000\u00a0\u00b0C, celle du clinker peut atteindre les 1450\u00a0\u00b0C tandis que l\u2019enveloppe ext\u00e9rieure en acier est maintenue en dessous de 350\u00a0\u00b0C gr\u00e2ce au rev\u00eatement. Avec des temp\u00e9ratures aussi \u00e9lev\u00e9es, certaines parties du four rotatif sont sujettes \u00e0 des d\u00e9gradations pouvant inclure des dommages structurels par d\u00e9formation ou l\u2019apparition de cloques et de fissures de fatigue thermique au niveau de l\u2019enveloppe, des bandages et des galets porteurs.","link":"https:\/\/welding-alloys.zerobox.co.za\/fr\/application-industrielle\/four-rotatif\/","name":"Four rotatif","slug":"four-rotatif","taxonomy":"industry_application","parent":0,"meta":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.7 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Four rotatif | Welding Alloys<\/title>\n<meta name=\"description\" content=\"The maintenance of rotary kilns through regular inspections can prevent plant shutdowns and long-term issues.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, 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