本文以大同烟煤在固定床上制得的焦炭为研究对象,利用卧式管式反应器对不同工况下焦炭氮向NO的转化特性进行了实验研究。主要开展了18%O_2/N_2和18%O_2/CO_2气氛,分别在973 K、1073 K、1173 K、1273 K和1373K下的焦炭燃烧试验。实验结果表明:在18%O_2/N_2和18%O_2/CO_2气氛下,从973 K到1373 K,焦炭氮向NO的转化率呈现先增大后减小的趋势,在1073 K出现峰值。和O_2/N_2下相比,O_2/CO_2下焦炭氮向NO的转化率均有所下降。 In this paper, Datong bituminous coal in fixed bed made of coke as the research object, the use of horizontal tube reactor under different conditions coke nitrogen to NO conversion characteristics of an experimental study. Coke combustion tests were carried out at 18% O 2 / N 2 and 18% O 2 / CO 2 atmosphere at 973 K, 1073 K, 1173 K, 1273 K and 1373 K, respectively. The experimental results show that the conversion of coke nitrogen to NO increases first and then decreases from 973 K to 1373 K under the atmosphere of 18% O 2 / N 2 and 18% O 2 / CO 2, and peaks at 1073 K. Compared with O 2 / N 2, the conversion of coke nitrogen to NO under O 2 / CO 2 decreased.