Mobile High-performance De-dusting during Railcar Unloading

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System Functionality

Applying a radio remote control, the mobile suction car of the allocated track is moved over the wagon to be unloaded and docked onto the two stationary dust capture hoods covering the bunker at the left and right side of the railway tracks, see Fig. 4. The wagon is enclosed by the suction car, thus providing additional protection from leakage of residual emissions.

The seal belt lifting car diverts the rubber seal belt of the dust collecting duct, thus establishing a constant connection to the dust collecting duct which leads to the central filter station. It forms the connecting link between the stationary hoods and the central dust collecting duct which is arranged in parallel to the relevant railway track.

Prior to unloading the wagon, the unit driver calls on the central filter station via radio remote control to supply the necessary suction capacity. The mobile dust capture system can also be designed to work in fully automatic mode. A sophisticated monitoring system takes account of all safety aspects.

Gallery

Gallery with 9 images

Environmentally Compatible and Cost-effective Plant Development

The plant stands out for its dust capture hoods optimised in laboratory-scale tests. These hoods achieve a capturing degree ranging between 91 and 97 percent, and they consume approx. 50 percent less energy than conventional systems. In addition, this mobile solution which obviates the need for superfluous connecting pipes including shutoff elements towards the dust collecting ducts leads to a cutback on capital investment cost as well as to an annual reduction in maintenance and repair cost by approx. 27 percent.

The successful development and implementation of the mobile high-performance dust removal system for bulk cargo unloading on the existing elevated railway bunker unit at the site of Thyssenkrupp Steel Europe sets new standards in relation to an extremely efficient dust capture system coupled with very low energy consumption.

Falling below statutory limit values due to the excellent degree of dust capture efficiency renders a substantial contribution to reducing fine dust contents in residential areas close to Thyssenkrupp Steel Europe in Duisburg-Hamborn.

* Dipl.-Ing. Andreas Peters, Head of Division Sales & Marketing, Thyssenkrupp Uhde Engineering Services, Germany, Tel. +49 2364/9278-627, E-Mail: andreas.peters@thyssenkrupp.com

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