{"id":10638,"date":"2020-11-19T12:39:47","date_gmt":"2020-11-19T12:39:47","guid":{"rendered":"http:\/\/&p=649"},"modified":"2020-11-19T15:39:47","modified_gmt":"2020-11-19T15:39:47","slug":"graincorp-grain-handling-facility-queensland-australia","status":"publish","type":"cases","link":"https:\/\/alimak.com\/fr\/cases\/graincorp-grain-handling-facility-queensland-australia\/","title":{"rendered":"Installation de manutention de c\u00e9r\u00e9ales du groupe Graincorp"},"content":{"rendered":"\n

Les techniciens d’entretien d’Alimak d\u00e9tectent et remplacent 70 m de m\u00e2t et de ch\u00e2ssis corrod\u00e9s pour prolonger la vie d’un ascenseur de maintenance vieux de 26 ans.<\/strong> Compte tenu de la proximit\u00e9 des lignes \u00e9lectriques et de l’espace confin\u00e9, une solution intelligente \u00e9tait n\u00e9cessaire pour achever la r\u00e9novation du m\u00e2t.<\/strong><\/p>\n\n\n\n

Installations de transformation des c\u00e9r\u00e9ales<\/strong><\/h4>\n\n\n\n

Fond\u00e9e en 1916, la soci\u00e9t\u00e9 Graincorp exploite sept silos d’exportation de c\u00e9r\u00e9ales en vrac dans l’est de l’Australie, avec une capacit\u00e9 de stockage combin\u00e9e de 20 millions de tonnes. Transformant du bl\u00e9, de l’orge, du colza, des pois chiches et du sorgho, livr\u00e9s par la route et le vaste r\u00e9seau ferroviaire de Graincorp, ces installations traitent plus de 5 millions de tonnes de c\u00e9r\u00e9ales par an.<\/p>\n\n\n\n

Acc\u00e8s pour la maintenance<\/strong><\/h4>\n\n\n\n

Les installations de Graincorp \u00e0 Gladstone utilisent un ascenseur \u00e0 cr\u00e9maill\u00e8re Alimak install\u00e9 en 1986 pour acc\u00e9der aux sept paliers de leur pile de c\u00e9r\u00e9ales de 70 m. L’ascenseur Alimak est une pi\u00e8ce d’\u00e9quipement essentielle sur le site car il permet au personnel de maintenance d’acc\u00e9der aux niveaux sup\u00e9rieurs de la pile pour les op\u00e9rations d’entretien et de maintenance n\u00e9cessaires. L’ascenseur permet \u00e9galement un acc\u00e8s rapide et s\u00fbr pour une intervention d’urgence si n\u00e9cessaire.<\/p>\n\n\n\n

L’entretien permet de rep\u00e9rer la corrosion du m\u00e2t<\/strong><\/h4>\n\n\n\n

Suite \u00e0 une inspection d’entretien sur site, Alimak a identifi\u00e9 des dommages corrosifs irr\u00e9parables survenus sur le m\u00e2t de base, le ch\u00e2ssis de base et \u00e0 une section du m\u00e2t situ\u00e9e \u00e0 25 m en amont de la pile de c\u00e9r\u00e9ales. Les deux sections ont \u00e9t\u00e9 endommag\u00e9es au point d’\u00eatre irr\u00e9parables et ont n\u00e9cessit\u00e9 le d\u00e9montage et le remplacement de l’ensemble du m\u00e2t de 70 m et du ch\u00e2ssis de base.<\/p>\n\n\n\n

Compte tenu de la proximit\u00e9 des lignes \u00e9lectriques avec la pile de c\u00e9r\u00e9ales, Alimak n’a pas pu orienter une grue suffisamment pr\u00e8s pour d\u00e9monter le m\u00e2t de levage. Sans l’utilisation d’une grue, les sections de m\u00e2t ne pouvaient pas \u00eatre man\u0153uvr\u00e9es au dessus des lignes \u00e9lectriques. Une d\u00e9connexion temporaire des lignes entra\u00eenerait l’arr\u00eat de l’ensemble du syst\u00e8me ferroviaire de Graincorp dans le Queensland.<\/p>\n\n\n\n

Une solution astucieuse<\/strong><\/h4>\n\n\n\n

Afin de remplacer le m\u00e2t endommag\u00e9, Alimak a con\u00e7u et install\u00e9 un ascenseur unique qui permettrait de d\u00e9monter et de remonter le m\u00e2t manuellement. Fix\u00e9 \u00e0 la cabine d’ascenseur Alimak, le treuil Alimak a permis d’accrocher chaque section de m\u00e2t individuellement et d’orienter la section sur la zone du toit de la cabine de l’ascenseur. Les op\u00e9rateurs ont alors pu utiliser l’ascenseur lui-m\u00eame pour ramener chaque section au sol.<\/p>\n\n\n\n

Ainsi, chacune des 49 sections de m\u00e2t de la pile de c\u00e9r\u00e9ales de Gladstone a \u00e9t\u00e9 d\u00e9mantel\u00e9e manuellement, et le m\u00eame proc\u00e9d\u00e9 f\u00fbt utilis\u00e9 pour assembler le m\u00e2t de remplacement. Alimak a travaill\u00e9 en \u00e9troite collaboration avec Graincorp pendant toute la dur\u00e9e du projet, en fournissant un soutien technique, \u00e9lectrique et de gr\u00e9ement.<\/p>\n\n\n\n

Le m\u00e2t de remplacement de l’ascenseur \u00e0 cr\u00e9maill\u00e8re Alimak est en service dans les installations de Gladstone depuis mai 2012, ce qui permet aux op\u00e9rateurs de Graincorp d’acc\u00e9der aux 7 niveaux de la pile de c\u00e9r\u00e9ales. L’approche du treuil manuel d’Alimak pourrait \u00eatre utilis\u00e9e dans de futurs projets o\u00f9 les restrictions du site emp\u00eachent l’acc\u00e8s \u00e0 la grue.<\/p>\n\n\n\n

D\u00e9tails<\/h4>\n\n\n\n

Site: Installation de manutention de c\u00e9r\u00e9ales du groupe Graincorp, Queensland, Australie<\/p>\n\n\n\n

Ann\u00e9e d’installation: 1986<\/p>\n\n\n\n

Application: Installation de manutention des c\u00e9r\u00e9ales, acc\u00e8s par ascenseur<\/p>\n\n\n\n

Type d’ascenseur: Alimak Scando 10\/19<\/p>\n\n\n\n

Nombre de paliers: 7<\/p>\n\n\n\n

Capacit\u00e9: 1000 kg<\/p>\n\n\n\n

Dimensions de la cabine: 1,9 m x 1,2 m<\/p>\n\n\n\n

Vitesse: 0,65 m\/sec<\/p>\n\n\n\n

Hauteur de levage: 70 m<\/p>\n\n\n\n

<\/div>\n\n\n\n

Galerie de photos<\/h3>\n\n\n\n
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    Les techniciens d’entretien d’Alimak d\u00e9tectent et remplacent 70 m de m\u00e2t et de ch\u00e2ssis corrod\u00e9s pour prolonger la vie d’un […]<\/p>\n","protected":false},"author":1,"featured_media":10785,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"region":[530],"industry":[494],"product_types":[585],"class_list":["post-10638","cases","type-cases","status-publish","has-post-thumbnail","hentry","region-ssia-pacific","industry-grain","product_types-permanent-solution-fr"],"acf":[],"yoast_head":"\nInstallation de manutention de c\u00e9r\u00e9ales du groupe Graincorp - Alimak<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/alimak.com\/fr\/cases\/graincorp-grain-handling-facility-queensland-australia\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Installation de manutention de c\u00e9r\u00e9ales du groupe Graincorp - 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