Aumund Fördertechnik, Rheinberg, Germany, has recently developed the BWG-GK type belt bucket elevator for vertical transport of coarse-grained (up to 80mm) materials at rates up to 1200m³/h. To protect the belt from damage by the conveyed material, the manufacturer adopted a new approach. With the tight, overlapping configuration of the buckets, the belt is now completely covered by the buckets. Thus, coarse material cannot be jammed between the backs of the buckets anymore. Simultaneously the outer edges of the belt will be protected. Even in case of a stoppage with filled buckets, no coarse material will be thrown behind the rear sides of the buckets. Safe attachment of the buckets, which even allows for scooping, is guaranteed by the design of the Aumund steel cords with transversally running steel belt reinforcements. They provide a high pull out resistance and reliable fixture. 

 

The plate screws developed for mounting the buckets differ significantly from conventional DIN plate screws and are constructed for longer belt endurance and a higher load. Therefore, additional components to increase the tension force at the bucket attachment are not necessary. Only little dead weight has to be transported. Beyond that, the belt of a bucket elevator has to guarantee a high tensile strength, minimal elongation and good directional stability. Over the past 60 years Aumund has delivered more than 5500 bucket elevators to worldwide customers. www.aumund.de 

 

 

The Aumund bucket elevator belt for the BWG-GK and (below) a chain bucket elevator recently converted to a BWG-GK