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ANALYSIS OF COMBUSTION CHARACTERISTICS OF DIFFERENT KINDS OF BIOMASS
EVALUATION OF BURNING CHARACTERISTICS OF VARIOUS KINDS OF BIOMASS

Biomass gas have high oxygen material and also high natural volatiles, which will certainly produce huge quantities of unpredictable gases throughout the burning phase. Both the vapor phase burning of the volatiles launched during the gas heating pyrolysis process occurs, as well as strong multiphase combustion takes place throughout the coke oxidation procedure. The volatiles melt very rapidly, nearly the same rate as the volatiles, and also the oxidation of coke is a lot slower. Biomass burning can be divided into 3 stages, the first stage is the dehydration phase, the second phase is the unstable evaluation combustion phase, as well as the 3rd phase is the coke combustion phase.

COMBUSTION FEATURES OF BIOMASS PELLETS AT DIFFERENT HEATING RATES.
The combustion-supporting gas is a blend of oxygen and also nitrogen with an oxygen web content of 20%. pellet mill press as DSC contours of biomass fragments shedding at different heating prices show that the heating price has a higher influence on the combustion of biomass fragments. As the price of temperature rise rises, the fatigue temperatures of various kinds of biomass particles raise. The last deposit top quality of the combustion of biomass particles additionally raises with the increase of heating price, yet the boost is not obvious. When the home heating price is set to 20 ° C · min-1, the final residue quality of biomass particles is melted. optimum. The boost in the rate of temperature rise likewise increases the rate of weight management of the biomass. The rate of weight management when the home heating price is 30 ° C · min-1 is much higher than the various other 2 kinds of home heating rate, and also the TG curve is smoother than the various other 2.

Combustion features of biomass pellets in various oxygen materials.
Various oxygen degrees have a substantial impact on the TG and also DSC curves of biomass pellet burning.

The oxygen material in the combustion-supporting gas is raising, so that the burn-out temperatures of different kinds of biomass particles are reduced. The impacts of the last deposit high quality on the burning of various kinds of biomass fragments are not the same. The change in oxygen material has little effect on the last residue quality of the sawdust bits as well as the rice husk fragments, and also the last residue quality of both biomass bits continues to be considerably unchanged. For shavings bits, the last mass of the shed is 20% at the oxygen content. As the oxygen web content of the straw granules remains to enhance, the final residue quality also increases, reaching a maximum at an oxygen web content of 33%.

sawdust pellet maker has a significant result on the DSC contour of the biomass bits. The other oxygen web content of combustion-supporting gas is raising, and also the exothermic optimal of various kinds of biomass bits is additionally increasing. When the oxygen material is 33%, the exothermic peak of biomass particle combustion reaches the maximum. The temperature level at which the exothermic optimal gets to the maximum likewise lowers with the rise of oxygen content, and also the temperature is the lowest when the oxygen material is 33%.


Comparison of burning characteristics of processed biomass pellets and unrefined biomass.
Combustion environment: The home heating rate is 20 ° C · minutes -1, as well as the oxygen web content of the combustion-supporting gas is 20%. It can be understood from the TG as well as DSC curves of biomass burning of different handling innovations, whether the biomass is processed or not, and the burning particular curve is clearly different.

The TG curves of processed rice husks as well as unprocessed rice husks are dramatically different. The last deposit top quality of the refined rice husk is much smaller sized than that of the unprocessed rice husk, and also the shed temperature of the refined sawdust is also higher than that of the unrefined sawdust. The difference in the DSC curve of rice husk is likewise obvious. The DSC curve of the unprocessed sawdust shows two unique exothermic optimals, as well as the first exothermic optimal and also the 2nd exothermic height are rather various. After the processing and developing procedure, the sawdust DSC contour has two comparable exothermic peaks.

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