Painting lines
At BMW Group, Munich, a new painting line was built in 2001 as part of the so-called construction stage 3. For the exhaust air systems, all nine chimneys were equipped with the plate absorber as an all-metal silencer. This way, the pollution from paint particles was taken into account.
Daimler AG paints approximately 750 Sprinters per day in Düsseldorf. The exhaust air ducting was previously equipped with conventional splitters. These blocked a large part of the exhaust air cross-section. The associated pressure loss led to high energy consumption. In addition, the conventional systems became dirty, requiring regular cleaning. Nevertheless, noise attenuation deteriorated.
By installing the slim plate resonators, the pressure loss was significantly reduced and the noise attenuation sustainably improved. As a result, the energy savings for two plants amounted to €610,000/year (as of 2010).
In the meantime, three of the large exhaust air towers at the Düsseldorf plant have been equipped with modern Nießing silencers, in addition to a large number of smaller systems.
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