Lange transportbanden

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    Eenvoudige, betrouwbare, bewezen oplossingen

    Een soepele regeling voor het versnellen en vertragen van lange transportbanden vermindert de mechanische belasting op alle componenten van de aandrijflijn en in de transportband zelf. Dit leidt tot een langere levensduur van de band en andere aandrijfcomponenten, wat de beschikbaarheid van activa verhoogt en de onderhouds- en exploitatiekosten verlaagt. De flexibiliteit om het toerental van lange transportbanden te regelen, kan knelpunten helpen voorkomen en het rendement van een materiaalstroomproces maximaliseren en zo leiden tot een besparing op de exploitatiekosten.

    Bij lange transportbanden worden vaak meerdere motoren geïnstalleerd. Voor een betrouwbare werking en om de levensduur van de band te optimaliseren, moeten frequentieregelaars worden gebruikt om loadsharing tussen alle motoren te realiseren. Zowel VLT® als VACON® frequentieregelaars beschikken over Master-Master- en Master-Volger-regeloplossingen. De juiste regeloplossing hangt af van de configuratie van de transportbandaandrijvingen op de transportband (bijvoorbeeld alle frequentieregelaars vooraan of frequentieregelaars voor- én achteraan). Beide oplossingen zijn eenvoudig te implementeren en zijn robuuste en betrouwbare oplossingen voor lange transportbanden gebleken.

    Voor neerwaartse transportbanden, waar gewoonlijk continu regeneratief remmen vereist is, wordt een Active Front End (AFE) frequentieregelaar of eventueel een regeneratieve aandrijfpaneeloplossing, met een standaard 6-puls frequentieregelaar en een afzonderlijke regeneratieve module, gebruikt.

    VLT en VACON frequentieregelaars worden vaak toegepast bij lange transportbanden van meer dan 1 km, die gangbaar zijn bij transporttoepassingen voor bulkmaterialen op mijnlocaties, verwerkingsinstallaties en havenfaciliteiten, zoals:

    • toevoerbanden voor ROM-silo's;
    • opslagplaatsen;
    • transportbanden voor het uitladen van treinwagons;
    • buizentransportbanden;
    • lange bovengrondse transportbanden.

     

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