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

Biomass fuels have high oxygen material as well as high organic volatiles, which will certainly create large amounts of unstable gases during the combustion phase. Both the vapor phase combustion of the volatiles released during the gas heating pyrolysis process occurs, as well as strong multiphase combustion takes place during the coke oxidation procedure. The volatiles burn really swiftly, almost the same price as the volatiles, as well as the oxidation of coke is a lot slower. Biomass burning can be split into three phases, the initial stage is the dehydration phase, the second stage is the volatile evaluation burning phase, and the 3rd stage is the coke burning phase.


BURNING CHARACTERISTICS OF BIOMASS PELLETS AT DIFFERENT HOME HEATING PRICES.
The combustion-supporting gas is a combination of oxygen as well as nitrogen with an oxygen material of 20%. The TG and also DSC contours of biomass bits burning at different heating rates show that the heating rate has a better effect on the burning of biomass bits. As the price of temperature boost boosts, the fatigue temperature levels of different types of biomass fragments boost. The last deposit quality of the combustion of biomass particles also raises with the boost of home heating price, however the boost is not obvious. When the home heating price is readied to 20 ° C · min-1, the final deposit quality of biomass fragments is shed. maximum. The increase in the price of temperature level increase likewise enhances the rate of weight-loss of the biomass. The price of weight management when the home heating rate is 30 ° C · min-1 is much higher than the other 2 type of heating price, as well as the TG contour is smoother than the other 2.

Combustion features of biomass pellets in various oxygen contents.
Different oxygen levels have a considerable impact on the TG as well as DSC curves of biomass pellet combustion.

The oxygen web content in the combustion-supporting gas is increasing, to ensure that the burn-out temperature levels of different kinds of biomass particles are reduced. The effects of the last residue top quality on the burning of various types of biomass fragments are not the exact same. The adjustment in oxygen material has little result on the final residue high quality of the sawdust particles as well as the rice husk bits, and the last deposit top quality of the two biomass bits stays substantially unmodified. For shavings bits, the final mass of the burn is 20% at the oxygen material. As animal feed pellet mill of the straw granules remains to increase, the final deposit high quality additionally enhances, getting to an optimum at an oxygen content of 33%.

The oxygen web content has a substantial impact on the DSC curve of the biomass particles. The various other oxygen content of combustion-supporting gas is raising, and also the exothermic peak of different sort of biomass particles is also raising. When the oxygen content is 33%, the exothermic optimal of biomass fragment combustion gets to the maximum. The temperature level at which the exothermic height gets to the optimum also decreases with the boost of oxygen web content, and the temperature level is the lowest when the oxygen material is 33%.

Contrast of burning qualities of processed biomass pellets and unprocessed biomass.
Combustion atmosphere: The home heating rate is 20 ° C · minutes -1, and also the oxygen web content of the combustion-supporting gas is 20%. It can be recognized from the TG as well as DSC curves of biomass burning of different processing innovations, whether the biomass is refined or not, as well as the burning particular curve is certainly different.

The TG contours of processed rice husks and unrefined rice husks are dramatically different. The final residue top quality of the processed rice husk is a lot smaller than that of the unrefined rice husk, and also the burned temperature level of the processed sawdust is additionally higher than that of the unprocessed sawdust. The distinction in the DSC contour of rice husk is likewise noticeable. The DSC contour of the unprocessed sawdust shows two unique exothermic peaks, and the very first exothermic optimal as well as the 2nd exothermic peak are rather different. After small scale wood pellet production as well as forming process, the sawdust DSC curve has 2 comparable exothermic tops.



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