Test results for a 250 kW biomass energy boiler and suggested technical and organizational measures to increase energy efficiency of current boiler instalations
2005
Pesenjanski, I.(Fakultet tehnickih nauka, Novi Sad (Serbia)) | Stepanov, B.(Fakultet tehnickih nauka, Novi Sad (Serbia))
The paper presents test results for a heat duct boiler burning baled cereal straw, which is commonly used at the PKB farming estate, Serbia. The boiler produced maximal thermal power of 232 kW, with the efficiency rate of 30.9%. Maximal efficiency of 66.7% was reached at 210 kW power. Excess air rate was fluctuating between 1.78 and 8.75, while the temperature of output fume gasses was ranging from 277 to 464 deg C. Suggested as necessary measures for design improvement are the reduction of grate area, installation of hot bands in the firebox and installation of convective packages.
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