Abstract
By using TGA technology, the combustion characteristics under different conditions of hard coal and biomass blends has been discussed. The combustion curves of blends exhibited the characteristics with two peaks. Results also exhibited that there was partial intersection of the two components during combustion process. Heating rate had slight impact on the initial combustion temperature of blends. The increase of heating rate accelerated the whole combustion process An exponent of combustion characteristics of coal and biomass blends was defined which could reflect the characteristics of blends comprehensively. Two steps with central competitive combustion reaction model was founded to describe the combustion process of blends. The dynamic parameters were worked out. It provided theoretical basis for evaluating the combustion characteristics of blends.
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