20 May 2019 
 
15 March 2019

bauma 2019: Sustainability is one of the core topics

By its very nature, the construction industry has a very large ecological footprint. At bauma, exhibitors are going to present innovations towards sustainability, resource conservation and environmental protection.

Photo: Messe MünchenPhoto: Messe München
Within construction industry with its large machines it is important to put special focus on environmental protection and sustainability
bauma is the world's leading trade fair for construction machinery, building material machines, mining machines, construction vehicles and construction equipment. This year, it will take place from April 8 to 14 at the Munich Exhibition Grounds.

The avoidance or reduction of emissions of all kinds remains a major playground for technical innovations and improvements in the construction industry. For example, cold milling of old road pavements produces significant amounts of particulate matter – a hazard to the health of construction site workers, residents and passers-by. “This makes it all the more pleasing that many of the innovations presented at this year's bauma have effects in terms of sustainability, resource conservation and environmental protection,” says bauma Exhibition Director Mareile Kästner.

Here are some examples for environmental protection in constructin industry. A German enterprise, for example, has developed the ion dust shield technology to reduce the amounts of particulate matter. The system is installed in a box attached to the conveyor belt of the milling machine. An extraction system sucks the dust particles through an electric field. They become positively charged and are attracted by the negatively charged housing. This causes the fine dust to clump together permanently into less hazardous coarser particles that can be removed together with the milled material.

Dusts must also be bound during building demolition, surface mining and loading processes. In countries with extreme weather conditions, it may occur that the usual water mist cannot be used due to icy temperatures. In such a case, the new dust binding machine from an Italian enterprise simply produces snow. The dust adheres very well to the flakes produced by this special snow cannon. Being a hybrid with a water mist and a snow mode, the device can be used at temperatures from +50°C to -25°C.

The construction machinery industry is called upon to avoid emissions not only of dust, but also, and especially, of exhaust gases and noise. An increased use of electric drives can make an important contribution in this respect. Some examples are also shown at bauma 2019.

https://www.bauma.de

 

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