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Traitement acoustique pour aéroréfrigérants dans une installation industrielle

Barrière acoustique dans l’industrie

Barrera-O02MA2200119-cabecera

L’une des usines de production d’Intermalta, société dédiée depuis plus de 40 ans à la production de malt pour la fabrication de bière, est implantée à Albacete.

Cette installation industrielle est équipée d’une centrale de cogénération. Au sommet de ce bâtiment se trouvent les unités d’aéroréfrigération. 

Le niveau sonore généré par ces machines, selon les mesures réalisées, s’est avéré être supérieur à la limite réglementaire applicable.

Les images suivantes montrent l’emplacement des machines avant le traitement acoustique.

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Pour contrôler l’émission sonore produite par ces équipements, Acústica Integral a conçu une solution avec un écran acoustique. Ce qui permettrait ainsi d’atténuer les niveaux de bruit émis vers l’environnement extérieur par les réfrigérateurs.

Mais il ne s’agissait pas d’une installation conventionnelle. Le risque d’explosion dans la zone de travail empêchait les travaux à chaud tels que la découpe et le soudage. Tous les éléments structurels utilisés pour soutenir la barrière ont été préparés en atelier et assemblés in situ par assemblages mécaniques.

Barrera-O02MA2200119- (27)
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L’écran acoustique, en forme de « U », construit avec des panneaux isolants Acustimódul-80A a été adopté.  La barrière était orientée de manière à ce que la propagation du bruit généré par les machines soit réduite vers l’extérieur de la parcelle.

Pour accéder à l’intérieur de l’écran, deux portes acoustiques RS7 ont été installées.

L’ensemble du système de tubes, de platines et de points d’ancrage a été fixé à la structure existante par assemblages boulonnés, évitant ainsi toute opération de soudure.

Barrera-O02MA2200119- (13)
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Barrera-O02MA2200119- (37)

Le traitement acoustique installé a permis de réduire le bruit nécessaire pour atteindre les objectifs du projet.

 

Si vous avez besoin de notre aide quant au traitement acoustique de votre prochain projet industriel, contactez-nous.

FICHE TECHNIQUE INSTALLATION

Projet : Barrière acoustique pour aéroréfrigérants.
Réf : O02MA2200119.
Secteur : Industrie.

MATÉRIAU ACOUSTIQUE UTILISÉ


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