Abstract:

This paper probes into the pyrolysis kinetic characteristics of Zhundong coal and Shenmu coal with thermogravimetric analysis method and gas heat carrier experiment,and determines the kinetic parameters by established pyrolysis kinetic model.It finds that the impact of reaction residence time on semi\|coke yield and its volatile matter decreases with increasing pyrolysis temperature; the pyrolysis activation energies of coals are related to reaction residence time and coal particle size.The study results have great significance on industrialization of coal pyrolysis process.