The Wäsler family, which owns the sanitation and heating construction firm of the same name, has been operating a local district heating network to heat 13 commercial units and 27 private households in Steinhausen, near Glonn. The network is 870 metres long, and is supplied by a Biomass CHP with an output of 45 kWel and 120 kWth. The generated electricity is fed into the public pipe network. The wood gasifier operates for around 6,000 hours a year.
Wood chips for wood gasifier come from the region
The 1,200 cubic metres of wood chips needed annually for wood gasifier are procured from sources within an immediate ten-kilometre radius.
Wood chips drying:
The woodchips are dried using hot air which is sent through a double floor in a double-bin dryer consisting of two bunkers. The dried chips are then used to fuel the biomass CHP alternately from the bunker.
Technical data of wood gasifier reference:
- System: Spanner HKA 45 Biomass CHP
- Output: 45 kWel and 120 kWth
- Start-up: December 2010
- Annual operating time: 6,000 operating hours
- Woodchip consumption: 1,200 cubic metres per year
- Woodchip source: Various farmers within a 10 km radius
Gallery: (Click to enlarge)