{"id":3046,"date":"2024-08-13T14:45:26","date_gmt":"2024-08-13T12:45:26","guid":{"rendered":"https:\/\/arcointernational.it\/nova-pellet\/accessori\/n-dd25-50\/"},"modified":"2025-08-23T12:17:30","modified_gmt":"2025-08-23T10:17:30","slug":"n-dd25-50","status":"publish","type":"nova_accessory","link":"https:\/\/arcointernational.it\/fr\/nova-pellet\/accessori\/n-dd25-50\/","title":{"rendered":"N-DX S\u00c9CHOIR \u00c0 TAMBOUR"},"content":{"rendered":"\n

Un S\u00c9CHOIR \u00c0 TAMBOUR ROTATIF<\/strong> est une machine utilis\u00e9e pour \u00e9liminer l’humidit\u00e9<\/strong> des mat\u00e9riaux solides tels que les min\u00e9raux, le sable, les produits agricoles, les aliments, les d\u00e9chets industriels, etc. L’appareil se compose d’un grand cylindre m\u00e9tallique horizontal qui tourne lentement autour de son axe. \u00c0 l’int\u00e9rieur du tambour, le mat\u00e9riau \u00e0 s\u00e9cher est continuellement soulev\u00e9 puis rel\u00e2ch\u00e9 pendant la rotation, ce qui l’expose \u00e0 un flux d’air chaud introduit dans le cylindre.<\/p>\n\n\n\n

Cette combinaison de rotation, de mouvement du mat\u00e9riau et de flux d\u2019air chaud permet un s\u00e9chage uniforme et ma\u00eetris\u00e9. Les s\u00e9choirs \u00e0 tambour rotatif sont particuli\u00e8rement appr\u00e9ci\u00e9s pour leur efficacit\u00e9 et leur capacit\u00e9 \u00e0 traiter de grands volumes de mat\u00e9riau, ce qui les rend id\u00e9aux pour les applications industrielles \u00e0 grande \u00e9chelle. De plus, gr\u00e2ce \u00e0 leur conception robuste et \u00e0 leur adaptabilit\u00e9, ils peuvent \u00eatre utilis\u00e9s dans un large \u00e9ventail de secteurs, s\u2019adaptant \u00e0 diff\u00e9rentes exigences de proc\u00e9d\u00e9.<\/p>\n\n\n\n

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\"\"<\/figure>\n<\/figure>\n\n\n\n

<\/p>\n\n\n\n

La gamme de production pour les mod\u00e8les N-DX peut varier de 400 kg\/h \u00e0 5000 kg\/h<\/strong> de mat\u00e9riau s\u00e9ch\u00e9. La ligne de s\u00e9choirs \u00e0 tambour Nova Pellet se distingue en deux types : tambours \u00e0 passage unique et tambours \u00e0 trois passages, en fonction du nombre de cylindres de s\u00e9chage pr\u00e9sents.<\/p>\n\n\n\n

Ci-dessous sont d\u00e9crits les principaux composants d’un s\u00e9choir \u00e0 tambour rotatif<\/strong> :<\/p>\n\n\n\n

Tambour rotatif<\/h4>\n\n\n\n

C’est le c\u0153ur du s\u00e9choir, un ou trois cylindres qui tournent lentement pour permettre un s\u00e9chage uniforme du mat\u00e9riau. Le tambour \u00e0 passage unique est divis\u00e9 \u00e0 l’int\u00e9rieur en plusieurs cloisons ou stades, qui favorisent le mouvement du mat\u00e9riau \u00e0 l’int\u00e9rieur et optimisent son exposition au flux d’air chaud. Le tambour \u00e0 trois passages est divis\u00e9 en trois cylindres embo\u00eet\u00e9s les uns dans les autres, ce qui augmente le temps de s\u00e9jour du mat\u00e9riau \u00e0 l’int\u00e9rieur et donc la capacit\u00e9 de production tout en n\u00e9cessitant le m\u00eame espace.<\/p>\n\n\n\n

G\u00e9n\u00e9rateur d’air chaud<\/h4>\n\n\n\n

Ce composant est responsable de la production du flux d’air chaud n\u00e9cessaire pour le s\u00e9chage. L’alimentation du g\u00e9n\u00e9rateur d’air chaud peut \u00eatre r\u00e9alis\u00e9e avec des plaquettes de bois humides ou secs, des granul\u00e9s de bois, ou du gaz naturel ou GPL.<\/p>\n\n\n\n

Ventilateur d’aspiration<\/h4>\n\n\n\n

Ce dispositif assure le flux d’air chaud \u00e0 travers le tambour. Le ventilateur cr\u00e9e un diff\u00e9rentiel de pression qui pousse l’air chaud \u00e0 l’int\u00e9rieur du tambour rotatif, am\u00e9liorant l’efficacit\u00e9 du proc\u00e9d\u00e9 de s\u00e9chage.<\/p>\n\n\n\n

Syst\u00e8me de contr\u00f4le<\/h4>\n\n\n\n

Il comprend un panneau de contr\u00f4le qui permet de r\u00e9gler les param\u00e8tres op\u00e9rationnels de la machine, tels que la vitesse de rotation du tambour, la temp\u00e9rature de l’air et la vitesse du ventilateur, assurant ainsi un proc\u00e9d\u00e9 de s\u00e9chage optimal.<\/p>\n\n\n\n

Syst\u00e8me de chargement et de d\u00e9chargement<\/h4>\n\n\n\n

Il comprend les m\u00e9canismes permettant l’introduction du mat\u00e9riau \u00e0 s\u00e9cher dans le tambour et la collecte du mat\u00e9riau s\u00e9ch\u00e9. Ces syst\u00e8mes peuvent inclure des convoyeurs \u00e0 bande, des vis de chargement ou d’autres dispositifs de d\u00e9placement.<\/p>\n\n\n\n

Ch\u00e2ssis de support<\/h4>\n\n\n\n

Structure porteuse qui soutient le tambour rotatif, le g\u00e9n\u00e9rateur d’air chaud et les autres composants de la machine. Le ch\u00e2ssis est con\u00e7u pour garantir la stabilit\u00e9 et r\u00e9duire les vibrations pendant le fonctionnement.<\/p>\n\n\n\n

Syst\u00e8mes de s\u00e9curit\u00e9<\/h4>\n\n\n\n

Ils peuvent inclure des capteurs de temp\u00e9rature, des syst\u00e8mes d’alarme et des dispositifs d’arr\u00eat automatique pour pr\u00e9venir les dysfonctionnements et garantir la s\u00e9curit\u00e9 op\u00e9rationnelle.<\/p>\n\n\n\n

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