High Temperature Technology for Blast Furnace Hot-blast Stove

The increase of blast furnace temperature not only directly influences the output and quality of iron,but also is one of the most effective measure to enhance pulverized coal injection rate and reduce coke rate. The thermal behaviour of blast furnace hot-blast stove is analyzed from the thermal point of view,and based on the preliminary analysis,and according to relationship between three variables of the thermal stove,the influences of structure and operation parameters on outlet blast temperature are systematically analyzed. It is pointed out that how to increase blast temperature of blast furnace hot-blast stove through structure and operation parameters.