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Energie Wasser Bern

Environmentally friendly energy generation from domestic and industrial waste for district heating and electricity is an important task of Energie Wasser Bern. All waste from the Bern region is processed in the new waste incineration plant. This corresponds to around 110,000 tonnes of waste per year.

Developer: Energie Wasser Bern

Client: BSH Umweltservice, Sursee

Place: Bern

Project: washed fly ash conveyor, conveyor for bottom ash discharge

Contract sum, FFAG: CHF 167,000.00

Year of construction: 2012

As subcontractor, Frei Fördertechnik AG took on the planning, manufacture as well as the installation and commissioning of the ash loading system of KVA (waste-to-energy plant) Bern. In both projects, one important criterion was to load the truck troughs as well as possible in order to optimise the transports. The goal was achieved with the use of shuttles and reversing belts with different discharge positions.

Special features 

  • Use of dirt conveyor when transporting washed fly ash
  • Special spindle displacement to move to the maintenance position for loading the washed fly ash
  • Starting up the equipment in 24-hour operation
  • Two-component epoxy resin, total layer thickness 200 µ

Technical data

Feed material: washed fly ash, bottom ash

Feed capacity: max. 3.5 t / h

Feed sizes: 0 – 100 mm

Installed components: 3 conveyor belts in total, electromechanical drive and shifting devices