Abstract
The purpose of this study were to understand the growth of carbon and a combustion characteristics and to estimate the carbon quantity deposited on the coke oven wall. The growth mechanism of deposited carbon sampled in the different positions of coking chamber was examined. A pulverized coal and tar vapor were condensed to form a nuclei test produced then it was grown by pyrolysis, resulting in forming a carbon. The deposition test was carried out in a small carbonization oven in order to predict the deposition rate of carbon. The deposition rate of carbon was strongly dependent on the carbonization temperature and the moisture content of coal. By means of catalytic combustion, which used K2CO3, the optimum loading quantity was 6.0 wt% and catalytic combustion rates were increased more two times than noncatalytic combustion rates. It was assumed that the carbon deposition in coke oven wall carbonizing about 33 ton of coal was 4.56kg and the capacity of fan supplying air for combustion was over 70Nm3/min.
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