Thermogravimetric Study on the Combustion Characteristics of Corn Stalk and Low Volatile Coal
2014
The combustion characteristics of corn stalk and low volatile coal were carried out through the thermogravimetric experiments.The heating rates is 40°C/min.We used the Q50.It is found that the combustion processes of corn stalk and the low volatile coal combustion include moisture evaporation,volatile evolution and combustion,char combustion three stages.The main stage of corn stalk is volatile evolution and combustion and the main stage of low volatile coal is char combustion.Compare the TG and DTG curves of the corn stalk and the low volatile coal combustion we find the corn stalk is easy to be ignited and fires quickly at the atmosphere of pure oxygen.The corn stalk weightlessness mainly happens between 120~300°C,the biggest weight loss rate is 252%/min while the low volatile’s is 56%/min.The firing effect of corn stalk is better than the low volatile’s.
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