HAARUP

Modernization of mixing technology at Ehl in Roßla: New Haarup mixers for higher capacity and flexible production processes

Figure: BFT International

Fig. 1: Ready for the factory tour at Ehl in Roßla: Sascha Karnstedt, Production Manager at the Roßla site, Christian Søndergaard, Area Sales Manager at Haarup; Ute Haberle, Regional Technical Manager for the South Harz region at Ehl AG and Karla Knitter, Deputy Editor-in-Chief of BFT International (from right to left)

Figure: BFT International

Figure: Haarup

Fig. 2: As part of the modernization, Ehl installed two identical Haarup mixers, each with a capacity of 1,500 liters, at the Roßla site

Figure: Haarup

Fig. 3: The new components were installed while production was ongoing

Figure: Haarup

Fig. 4: The new mixers and elevators were integrated into the existing plant structure and now form the center of the modernized production

Figure: Haarup

Fig. 9: The atmosphere was lively as service technician Bo Lund trained the staff on how to lubricate and maintain the new mixers

Figure: Haarup

Fig. 6: Haarup manufactures key components of the mixing technology, including the mixers’ gear systems, in-house in Silkeborg, Dänemark

Figure: Haarup

Figure: BFT International

Fig. 10: View of the production hall: During the plant tour, representatives from Ehl and Haarup provided information on the integration of the new mixing technology into the existing production

Figure: BFT International

Fig. 7: In addition to the mixing technology, the on-site visit also featured presentations on the control system, recipe management, and production processes

Figure: BFT International

Fig. 8: A look inside the new mixing technology: The BFT International team was shown the maintenance access points and the internal structure of the new Haarup mixers

Figure: BFT International

Fig. 11: Using the new Haarup mixers, Ehl produces support brackets for gardening and landscaping at its Roßla site

Figure: BFT International

Figure: Haarup

Fig. 5: All gearboxes undergo comprehensive quality control and are thoroughly tested before being installed

Figure: Haarup

Ehl AG has replaced two existing systems with new Haarup mixers at its Roßla site in the Southern Harz region. The goal of the modernization was to achieve higher production capacity and greater flexibility in production. The implementation took place during ongoing operations and required extensive modifications to the existing mixer platform. During an on-site visit by BFT International, representatives from Ehl and Haarup provided information on the planning, installation, and commissioning of the new mixing technology.

Ehl AG, headquartered in Kruft, is part of the CRH Group and operates more than 20 production sites in Germany. The company produces, among other things, paving stones, patio slabs, wall and retaining wall systems, as well as other concrete products for gardening and landscaping. In recent years, Ehl has increasingly invested in sustainability, energy efficiency, and the modernization of existing production sites. Haarup has also set similar priorities: In recent years, the company has made significant investments in the sustainable transformation of its own production processes and has...