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

Biomass fuels have high oxygen content and high organic volatiles, which will certainly produce big quantities of volatile gases during the burning stage. Both the vapor stage burning of the volatiles released during the fuel heating pyrolysis process occurs, and solid multiphase burning takes place during the coke oxidation process. The volatiles burn really swiftly, nearly the same rate as the volatiles, and also the oxidation of coke is a lot slower. Biomass combustion can be divided right into 3 stages, the initial stage is the dehydration stage, the 2nd stage is the unpredictable evaluation combustion phase, and also the 3rd phase is the coke combustion stage.

BURNING ATTRIBUTES OF BIOMASS PELLETS AT DIFFERENT HOME HEATING dog pellet machine .
The combustion-supporting gas is a mix of oxygen as well as nitrogen with an oxygen material of 20%. The TG and also DSC curves of biomass particles shedding at different heating prices reveal that the heating price has a greater influence on the combustion of biomass particles. As the price of temperature boost boosts, the exhaustion temperatures of different kinds of biomass fragments increase. The last residue quality of the burning of biomass bits likewise increases with the increase of home heating rate, however the boost is not obvious. When the home heating price is readied to 20 ° C · min-1, the last residue quality of biomass fragments is burned. maximum. The rise in the rate of temperature boost likewise increases the rate of fat burning of the biomass. The rate of weight-loss when the home heating rate is 30 ° C · min-1 is much higher than the various other two type of heating rate, as well as the TG curve is smoother than the various other 2.

Burning qualities of biomass pellets in various oxygen components.
click to read have a significant effect on the TG as well as DSC curves of biomass pellet combustion.


The oxygen web content in the combustion-supporting gas is boosting, so that the burn-out temperatures of various sorts of biomass bits are decreased. The results of the last residue top quality on the burning of various sorts of biomass particles are not the same. The adjustment in oxygen web content has little effect on the last deposit quality of the sawdust particles and the rice husk particles, and the final deposit quality of the two biomass bits continues to be significantly unmodified. For shavings particles, the final mass of the burn is 20% at the oxygen content. As the oxygen material of the straw granules continues to boost, the last deposit high quality also boosts, reaching an optimum at an oxygen web content of 33%.


The oxygen content has a significant effect on the DSC curve of the biomass particles. The other oxygen material of combustion-supporting gas is raising, as well as the exothermic top of different type of biomass fragments is also increasing. When the oxygen web content is 33%, the exothermic peak of biomass particle burning gets to the optimum. The temperature at which the exothermic height reaches the optimum likewise decreases with the boost of oxygen content, and the temperature level is the lowest when the oxygen web content is 33%.

Contrast of burning attributes of processed biomass pellets and unrefined biomass.
Combustion environment: The heating price 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 various processing technologies, whether the biomass is refined or not, as well as the burning characteristic contour is obviously various.

The TG contours of refined rice husks as well as unprocessed rice husks are substantially different. The final deposit quality of the processed rice husk is much smaller sized than that of the unrefined rice husk, and also the burned temperature level of the refined sawdust is additionally higher than that of the unprocessed sawdust. The difference in the DSC contour of rice husk is additionally noticeable. The DSC contour of the unrefined sawdust shows two distinctive exothermic optimals, and the first exothermic top as well as the 2nd exothermic optimal are quite different. After the handling as well as creating procedure, the sawdust DSC contour has two comparable exothermic optimals.


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