大喷煤量高炉内骨架焦炭的劣化问题  

COKE DEGRADATION IN B. F WITH ULTRACOAL INJECTION RATE

作　　者：李家新[1] 糜克勤[1] 

机构地区：[1]华东冶金学院

出　　处：《应用科学学报》1997年第1期89-95,共7页Journal of Applied Sciences

摘　　要：指出了高炉喷煤与骨架焦炭工作条件恶化的定量关系，使焦炭要化的主要原因；分析了焦炭的初始质量、气化反应、原位还原反应以及焦炭与熔体的反应对焦炭热强度的影响；介绍了某些抑制焦炭劣化的实验研究。最后讨论了保护大喷煤量高炉内焦炭质量的最佳工作状态。According to the theory of carbon balance, it is shown that the cha- racteristic parameters of the grid coke in B. F are deteriorated with the increase of coal injection rate. lnvestigations into the effect of coke quality, solution loss, insititu-reduction and coke-melt reactions on the coke beat strength as well as increasing the ore preneduction degree and using new charging technic to restrain the coke degradtion are intraduced . With the above aim, the optimum of B. F operation under an ultra coal injection rate is discussed.

关 键 词：喷煤 焦炭 劣化 高炉 骨架区 质量 

分 类 号：TF538.6[冶金工程—钢铁冶金]