In Sisak (HR), HoSt built a wood-fired CHP plant. This plant will supply hot water to the district heating, steam to surrounding industries and electricity to the grid.

The prunings and the wood waste as fuel comes from the Sisak area. HoSt is responsible for the turn-key supply of the plant. The entire project is realized together with several local contractors.

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PROJECT MILESTONES
Start project November 2015
Start-up / first fire November 2016

SPECIFICATIONS
Wood storage 250 m2
Wood supply system Chain scraper
Furnace 6.4 t/h wood
Water tube steam boiler 15 kWth
Steam turbine 3.2 MWe
Steam condenser 10.7 MW at 85°C
Steam extraction 7.5 t/h at 16 bara and 300 °C
Electro static precipitator Provisions taken for future placement of electro static precipitator,  to meet stricter emission requirements
Efficiency >91%

CHARACTERISTICS
  • The HoSt high pressure watertube boiler has a very high availability.
  • The low temperature and low velocities on the grate prevent fouling and agglomerating in the boiler and furnace.
  • High efficiency is reached by low flue gas exit temperatures, low O2 content in the flue gasses and an efficient steam turbine.
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