Abstract
This paper describes a cogeneration plant using wood biomass as fuel. Forests cover 56% of the surface area in Slovenia, providing plenty of waste wood to be used as an energy source. Waste wood unsuitable for the lumber industry is ground into biomass of G50 size, whose chips are on average 3 - 5 cm and up to 8 cm. Biomass is dried in a drier to reduce its moisture content to 15%. Wood biomass gasification takes place in a gasifier. Carbon monoxide and hydrogen, gasification end products, are used as fuels for a boiler and two gas engines. The boiler heat is used for wood-drying purposes. The cogeneration plant uses a 1 MW Caterpillar generator set and a 0.45 MW MAN generator set. Cooling water waste heat of both gas engines and exhaust gases are used for heating the wood drier and the nearby residential area.
Highlights
The demand for thermal and electrical energy is typically met by supplying power from the local distributor’s network and generating heat by burning fuel in a furnace or a boiler
This paper describes a cogeneration plant using wood biomass as fuel
This paper describes a biomass cogeneration system as the first of this type in Slovenia (Figure 1), located in Ruše
Summary
The demand for thermal and electrical energy is typically met by supplying power from the local distributor’s network and generating heat by burning fuel in a furnace or a boiler. In cogeneration systems using internal combustion engines, the waste heat of engines and exhaust gases may be exploited Most of such thermal energy can be used to meet the demand for heat. One concept for the development of households and industry envisages the construction of several small biomass units and the application of natural gas as a fuel with a relatively extensive distribution network. This concept has good development potential in Slovenia [7]. This paper describes a biomass cogeneration system as the first of this type in Slovenia (Figure 1), located in Ruše
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