HEAT-BALANCE MODEL TO PREDICT SALAMANDER PENETRATION AND TEMPERATURE PROFILES IN THE SUB-HEARTH OF AN IRON BLAST-FURNACE

A two dimensional heat balance model has been formulated to predict th e temperature profile in the sub-hearth of an iron blast furnace. The partial differential equation, constituting the model, is solved along with the boundary conditions using the Finite Element Method. From th e predicted location of temperature isotherms corresponding to 1150-de grees-C, the two dimensional profile of the salamander and its depth o f penetration are predicted. Effects of cooling conditions at the side walls and at the bottom of the sub-hearth on the salamander penetrati on and temperature profile have been discussed.