engleski

INFLUENCE OF MOISTURE CONTENT IN WOOD CHIPS ON THE BOILER OPERATION

Wood chips are often used as a fuel in cogeneration plants. Therefore, the effect of moisture in the wood chips on combustion in one such plant has been analyzed. The heating value of incoming wood with a 40% moisture content was about 10 MJ/kg, and the average ash content was 1.82%. Wood chips with a higher moisture content have a lower heating value, which leads to lower efficiency of the boiler. A decrease of the combustion temperature also occurs as well as an increased amount of CO in the flue gas, but also the lower concentration of NOx compounds

drvna sječka, vlaga, izgaranje

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